You also want an ePaper? Increase the reach of your titles
YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.
<strong>In</strong> <strong>the</strong> <strong>Name</strong> <strong>of</strong> <strong>God</strong><br />
<strong>the</strong> Compassionate <strong>the</strong> Merciful
Archives <strong>of</strong><br />
Iranian Medicine<br />
A Monthly Peer-Reviewed Medical Journal<br />
Founded in 1998 by <strong>the</strong><br />
Academy <strong>of</strong> Medical Sciences <strong>of</strong> <strong>the</strong> I.R. Iran<br />
ISSN: Print 1029-2977, Online 1735-3947<br />
Chairman: Iraj Fazel MD FACS<br />
Editor-in-Chief: Reza Malekzadeh MD<br />
Chairman <strong>of</strong> <strong>the</strong> Editorial Board: Karim Vessal MD<br />
Associate Editors and Editorial Board<br />
Shahin Akhondzadeh PhD<br />
Mohammad-Hossein Azizi MD<br />
Moslem Bahadori MD<br />
Arash Etemadi MD PhD<br />
Hasan Farsam, PhD<br />
Farshad Farzadfar MD<br />
Sadegh Massarrat MD<br />
Siavosh Nasseri-Moghaddam MD<br />
Touraj Nayernouri MD<br />
Siavoush Sehhat MD FACS<br />
Ismail Yazdi DMD<br />
Mohammad-Reza Zarrindast PhD<br />
Editorial Office: P.O.Box: 19395-4655, Tehran, Iran<br />
Web: http://www.aimjournal.ir<br />
Tel: +98-218-864-5492<br />
Fax: +98-2188656198<br />
E-mail: aim@ams.ac.ir ; arch.iran.med@gmail.com<br />
Online Submission: http://www.aimjournal.ir:55/UI/<br />
General/frmMainJournal.aspx<br />
Archives <strong>of</strong> Iranian Medicine is indexed in PubMed/<br />
MEDLINE, ISI Web <strong>of</strong> Science, EMBASE/Excerpta<br />
Medica, SCOPUS, CINAHL, PASCAL, CSA, SID, and<br />
ISC.<br />
Statements printed in this journal, although believed to<br />
be reliable and accurate, are those <strong>of</strong> <strong>the</strong> authors and no<br />
liability can be accepted by <strong>the</strong> Academy and Editorial<br />
Board for errors <strong>of</strong> commission or omission incurred<br />
in <strong>the</strong> published material. Any reproduction or use <strong>of</strong><br />
contents <strong>of</strong> <strong>the</strong> journal is permitted only if <strong>the</strong> source is<br />
properly cited.<br />
Annual subscription rate: 400,000 Rls for Iran and € 300<br />
for o<strong>the</strong>r countries including postage.<br />
Board <strong>of</strong> Consultants<br />
Y. Aghighi MD<br />
A. Ahmed MD (USA)<br />
M. Akbarian MD<br />
J. P. Allain MD PhD (England)<br />
S. Asfar MD FACS (Kuwait)<br />
F. Azizi MD<br />
S. Bahram MD PhD (France)<br />
M. Balali-Mood MD<br />
B. Bastani MD (USA)<br />
H. E. Blum MD (Germany)<br />
S.H. Borghei MD<br />
B. Boroumand MD<br />
Y. Dowlati MD<br />
G. H. Edrissian Pharm D<br />
B. Eghtesad MD (USA)<br />
A. Emadi MD PhD (USA)<br />
H. D. Fahimi PhD (Germany)<br />
A. Fazel PhD<br />
A. Gasparyan MD PhD (Armenia)<br />
N. Ghahramani MD (USA)<br />
R. Gharib MD<br />
R. Ghohestani MD PhD (USA)<br />
B. Guyuron MD FACS (USA)<br />
M.A.Haberal MD FACS(Turkey)<br />
F. Habibzadeh MD<br />
M. Haeryfar PhD (Canada)<br />
M. Haghshenas MD<br />
F. Ismail-Beigi MD (USA)<br />
B. Jahangiri MD<br />
K. Kalantarzadeh MD (USA)<br />
N. Kamalian MD<br />
A. Khaleghnejad MD<br />
K. Khazaie PhD (USA)<br />
Editorial Statistical Advisors<br />
Ali Feizzadeh MD MPH<br />
Asieh Golozar MD MPH<br />
Leila Ghalichi MD MPH<br />
Ahmad Reza Shamshiri MD MPH<br />
Kamran Yazdani MD PhD<br />
Editorial Staff<br />
Shokoufeh Borzabadi MSc (copy editor, executive director)<br />
Siamak KarimkhanZand (design and layout)<br />
AmirEhsan Lashkari MSc (copy editor)<br />
Saeideh Riazi (public relation)<br />
Amir Sarbazi BA (web administrator)<br />
Nazanin Shadlou BS (manuscript handling)<br />
Kim Vagharfard MSc (copy editor)<br />
S. Koochekpour MD PhD<br />
H. Malekafzali MD PhD<br />
A. Malekhosseini MD<br />
A. Marandi MD<br />
S. Masood MD (USA)<br />
M. Matin MD<br />
V. Mehrabi MD<br />
F. Moattar PhD<br />
K. Mohammad PhD<br />
F. Motamedi PhD<br />
A. Nadim MD PhD<br />
B. Nikbin PhD<br />
M. Nooraie PhD<br />
N. Parsa MD PhD (USA)<br />
D. Paydarfar MD (USA)<br />
G. Pourmand MD<br />
S. Rad MD<br />
B. Z. Radpay MD<br />
F. Rahimi MD<br />
H. Rezvan PhD<br />
M. H. Sanati PhD<br />
M. R. Sedaghatian MD FAAP (UAE)<br />
F. Saidi MD<br />
H. Sajjadi MD (USA)<br />
S. Shariat MD<br />
F. Shokri PhD<br />
M. Sotoodeh MD<br />
E. Sotoodeh-Maram PhD<br />
M. Ugurlucan MD (Germany)<br />
A. Velayati MD<br />
M. Vessal PhD<br />
P. Vosugh MD<br />
M. Zali MD
ii<br />
Aim and Scope: The Archives <strong>of</strong> Iranian Medicine (AIM) is<br />
a monthly peer-reviewed multidiscip-linary medical publication.<br />
The journal welcomes contributions particularly relevant<br />
to <strong>the</strong> Middle-East region and publishes biomedical experiences<br />
and clinical investigations on prevalent diseases in <strong>the</strong><br />
region as well as analyses <strong>of</strong> factors that may modulate <strong>the</strong><br />
incidence, course, and management <strong>of</strong> diseases and pertinent<br />
medical problems. Manuscripts with didactic orientation and<br />
subjects exclusively <strong>of</strong> local interest will not be considered<br />
for publication.<br />
Peer-Review System at AIM: Manuscripts are first reviewed<br />
by <strong>the</strong> editorial staff to ensure <strong>the</strong>ir appropriateness relevant to<br />
<strong>the</strong> framework <strong>of</strong> <strong>the</strong> journal. Manuscripts are also excluded<br />
by <strong>the</strong> editors if <strong>the</strong>re are major faults in <strong>the</strong> methodology <strong>of</strong><br />
research. Peer reviews are handled anonymously and comments<br />
are discussed in weekly editorial sessions. Reviews are<br />
<strong>the</strong>n sent to <strong>the</strong> corresponding authors for proposed modifications<br />
and <strong>the</strong> new version <strong>of</strong> <strong>the</strong> manuscript would be peerreviewed<br />
for a second time by one or two external reviewers.<br />
Submission: Manuscripts must be submitted in English.<br />
Contributions will be considered for publication with <strong>the</strong> understanding<br />
that <strong>the</strong>y are exclusively submitted to AIM, have<br />
not been previously published elsewhere (except in <strong>the</strong> form<br />
<strong>of</strong> an abstract or as part <strong>of</strong> a published lecture, review or <strong>the</strong>sis),<br />
and are not under consideration by ano<strong>the</strong>r journal. The<br />
covering letter should designate one author as “corresponding<br />
author” and all o<strong>the</strong>r authors should personally sign <strong>the</strong><br />
submission covering letter. Manuscripts should be prepared in<br />
accordance with <strong>the</strong> “Uniform Requirements for Manuscripts<br />
Submission to Biomedical Journals” proclaimed by <strong>the</strong> <strong>In</strong>ternational<br />
Committee <strong>of</strong> Medical Journal Editors (available<br />
from: http://www.icmje.org). Authors are responsible for all<br />
statements made in <strong>the</strong>ir work. The right is reserved to incorporate<br />
any changes deemed necessary by <strong>the</strong> editorial board<br />
to make contributions harmonized with <strong>the</strong> editorial standards<br />
<strong>of</strong> <strong>the</strong> journal. Accepted manuscripts become <strong>the</strong> property <strong>of</strong><br />
AIM. Manuscript submission to AIM is possible in one <strong>of</strong> <strong>the</strong><br />
following two ways: a) Mail submission: One original copy<br />
along with two blinded review copies (without names and affiliations<br />
<strong>of</strong> authors) should be submitted to:<br />
The Editor-in-Chief,<br />
Archives <strong>of</strong> Iranian Medicine, Editorial Office,<br />
Academy <strong>of</strong> Medical Sciences <strong>of</strong> I.R.Iran,<br />
P.O. Box: 19395-4655, Tehran, Iran.<br />
A floppy diskette/CD containing <strong>the</strong> manuscript and all related<br />
material should accompany this submission. The authors<br />
may propose three potential reviewers in <strong>the</strong> field <strong>of</strong> <strong>the</strong> study;<br />
however, <strong>the</strong>ir endorsement depends on <strong>the</strong> editorial decision.<br />
b) Online submission: AIM provides an online submission<br />
and peer review system that enable authors to submit <strong>the</strong>ir papers<br />
online and track progress via a web interference. For on-<br />
Archives <strong>of</strong> Iranian Medicine, Volume 15, Number 5, May 2012<br />
<strong>In</strong>formation for Authors<br />
line submission, authors should refer to <strong>the</strong> website at: http://<br />
www.aimjournal.ir:55/UI/General/frmMainJournal.aspx<br />
and register. Please carefully read <strong>the</strong> user’s manual online<br />
before submitting <strong>the</strong> paper.<br />
Manuscript should be submitted in Micros<strong>of</strong>t Word or Rich<br />
Text Format (RTF). The entire manuscript should be submitted<br />
as a single file.<br />
Structure <strong>of</strong> Articles<br />
Text <strong>of</strong> <strong>the</strong> Original Articles should include title page, abstract,<br />
keywords, introduction, materials/patients and methods,<br />
results, discussion, acknowledgment, references, tables,<br />
figures, and legends, enumerated from <strong>the</strong> title page. The<br />
length <strong>of</strong> <strong>the</strong> text should not exceed 4500 words excluding<br />
<strong>the</strong> references. All Clinical Trials should include patients’ informed<br />
consent forms and <strong>the</strong> approval <strong>of</strong> <strong>the</strong> bioethics committee<br />
<strong>of</strong> <strong>the</strong> corresponding university/institution. Review<br />
Articles are solicited by <strong>the</strong> editor, but AIM will also accept<br />
submitted reviews. The authors <strong>of</strong> review articles are invited<br />
to contact <strong>the</strong> Editorial Office before preparing a review article.<br />
The journal will only consider unsolicited review articles<br />
from authors with substantial research background in <strong>the</strong><br />
subject. Systemic reviews with sound methodology <strong>of</strong> such<br />
studies do not require <strong>the</strong> above-mentioned condition and are<br />
greatly encouraged. Both solicited and unsolicited review articles<br />
undergo peer review and editorial processing as original<br />
papers.<br />
Case Reports and Brief Reports should be limited to 2000<br />
words. Both should include abstract, keywords, case presentation,<br />
discussion, acknowledgment, references, and 1 – 4<br />
figures. Necessary documentations <strong>of</strong> <strong>the</strong> case(s) such as: pathology<br />
reports, laboratory test reports, and imagings should<br />
be included in <strong>the</strong> submission package. Brief reports should<br />
not have more than one figure and/or table.<br />
Opinion is a forum where researchers can present <strong>the</strong>ir points<br />
<strong>of</strong> views on various controversial issues <strong>of</strong> science, at large,<br />
and medicine, in particular. The submissions should not be<br />
more than 1000 words long with at most one Figure, Graph or<br />
Table, and ten references.<br />
Photoclinics should be up to 1000 words. The maximum<br />
number <strong>of</strong> pictures is four. Number <strong>of</strong> references should not<br />
exceed ten.<br />
Commented Summaries from Current Medical Literature<br />
are specially welcomed. Herein, authors comment on a<br />
work which might provoke controversies in an Iranian setting.<br />
Such comments reflect practice variations and proposed solutions<br />
tailored to <strong>the</strong> prevailing conditions in <strong>the</strong> region.<br />
History <strong>of</strong> Contemporary Medicine in Iran: Manuscripts<br />
narrating how modern medicine has been established in Iran,<br />
how outstanding scientists have contributed to its progress,
and what has happened over <strong>the</strong> past decades to our healthcare<br />
system are <strong>of</strong> paramount importance to us and are welcomed.<br />
Letter to <strong>the</strong> Editor: AIM welcomes letters to <strong>the</strong> editor. Letters,<br />
up to 500 words, should discuss materials published in<br />
<strong>the</strong> journal in <strong>the</strong> previous six months. They can be submitted<br />
ei<strong>the</strong>r by e-mail or regular mail. Letters are subjected to <strong>the</strong><br />
editorial review and editing for clarity and space.<br />
Title Page should include title; author(s) information, including<br />
first name, last name, highest academic degree, affiliation;<br />
running title ≤50 characters, including spaces; and name and<br />
address <strong>of</strong> <strong>the</strong> author to whom correspondence and reprint requests<br />
should be addressed.<br />
Abstract should include <strong>the</strong> background, methods, results,<br />
and conclusion sections separately. Objective <strong>of</strong> <strong>the</strong> study,<br />
findings (including its statistical significance), and <strong>the</strong> conclusion<br />
made on <strong>the</strong> basis <strong>of</strong> <strong>the</strong> findings should be clearly stated.<br />
Abstract fragmenting is not necessary for case reports. Review<br />
articles should have an abstract. Never<strong>the</strong>less, <strong>the</strong> length<br />
<strong>of</strong> an abstract should not exceed 250 words (150 words for<br />
case reports).<br />
Keywords: For indexing purposes, each submitted article<br />
should include three to five keywords chosen from <strong>the</strong> Medical<br />
Subject Headings (MeSH).<br />
References: The authors are responsible for <strong>the</strong> accuracy <strong>of</strong><br />
<strong>the</strong> bibliographic information provided. References must be<br />
numbered consecutively in order <strong>of</strong> citation in <strong>the</strong> text. Mark<br />
reference citations by superscript Arabic numbers. Personal<br />
communications and unpublished data including manuscripts<br />
submitted but not yet accepted for publication should not be<br />
used as a reference, none<strong>the</strong>less, <strong>the</strong>y may be placed in paren<strong>the</strong>ses<br />
in <strong>the</strong> text.<br />
Periodical titles should be abbreviated according to <strong>the</strong> <strong>In</strong>dex<br />
Medicus. <strong>In</strong>clusive page numbers should be given for all references.<br />
Print surnames and initials <strong>of</strong> all authors when <strong>the</strong>re<br />
are six or less. <strong>In</strong> <strong>the</strong> case <strong>of</strong> seven or more authors, <strong>the</strong> names<br />
<strong>of</strong> <strong>the</strong> first six authors followed by et al, should be listed.<br />
Listed below, are references to a journal, a chapter in a book,<br />
and a book, respectively, in correct style:<br />
1 Comroe JH, Long TV, Sort AJ. The lung clinical physiology<br />
and pulmonary function tests. Chest. 1989; 65: 20<br />
– 22.<br />
2 Schiebler GL, van Mierop LHS, Krovetz LJ. Diseases<br />
<strong>of</strong> <strong>the</strong> tricuspid valve. <strong>In</strong>: Moss AJ, Adams F, eds. Heart<br />
Disease in <strong>In</strong>fants, Children, and Adolescents. 2nd ed.<br />
Baltimore: Williams and Wilkins; 1988: 134 – 139.<br />
3 Guyton AC. Textbook <strong>of</strong> Medical Physiology. 8th ed.<br />
Philadelphia: WB Saunders; 1996.<br />
Tables: Enumerate tables with Arabic numerals. They should<br />
be self-explanatory, clearly arranged, and supplemental to <strong>the</strong><br />
text. Tables should provide easier understanding and not duplicate<br />
information already included in <strong>the</strong> text or figures.<br />
Figures should be used only if <strong>the</strong>y augment comprehension<br />
<strong>of</strong> <strong>the</strong> text. Drawings and graphs should be pr<strong>of</strong>essionally<br />
prepared in deep-black and submitted as glossy, black-andwhite<br />
clean photostats. Pr<strong>of</strong>essionally designed computergenerated<br />
graphs (grayscale or color) with a minimum <strong>of</strong><br />
600 dpi laser printer output is also acceptable. Each figure<br />
should have a label on <strong>the</strong> back, listing <strong>the</strong> figure number,<br />
title <strong>of</strong> manuscript, first author, and an arrow indicating <strong>the</strong><br />
top. Illustrations should be numbered as cited in <strong>the</strong> sequential<br />
order in <strong>the</strong> text, and each should have a legend on a<br />
separate sheet. Color photographs are welcomed at no extracharge.<br />
Ethics <strong>of</strong> Publication: The AIM’s policy regarding suspected<br />
scientific misconduct including plagiarism, fabricated data,<br />
falsification, and redundancy is based on <strong>the</strong> guidelines on<br />
good publication practice <strong>of</strong> <strong>the</strong> “Committee on Publication<br />
Ethics (COPE)”. The complete guidelines appear on COPE<br />
website: http:/www.publicationethics.org.uk.<br />
Clinical Trial Registration: Archives <strong>of</strong> Iranian Medicine<br />
requires that randomized controlled trials be registered according<br />
to policies accepted by <strong>In</strong>ternational Committee <strong>of</strong><br />
Medical Journal Editors and World Association <strong>of</strong> Medical<br />
Editors (WAME). <strong>In</strong> order to be considered for publication,<br />
trials that begin enrollment <strong>of</strong> patients after January 2008<br />
must register in a public trials registry at or before <strong>the</strong> onset<br />
<strong>of</strong> enrollment, and trials that began patient enrollment on or<br />
before this date must register anytime before submission to<br />
<strong>the</strong> journal.<br />
The registration number <strong>of</strong> <strong>the</strong> trial and <strong>the</strong> name <strong>of</strong> <strong>the</strong> trial<br />
registry must be mentioned at <strong>the</strong> end <strong>of</strong> <strong>the</strong> abstract. Acceptable<br />
trial registries include <strong>the</strong> following:<br />
http://www.clinicaltrials.gov<br />
http://www.anzctr.org.au<br />
http://isrctn.org<br />
http://www.trialregister.nl/trialreg/index.asp<br />
http://www.irct.ir<br />
Covering Letter: All submissions to <strong>the</strong> AIM must be accompanied<br />
by a completed copy <strong>of</strong> signed covered letter including<br />
<strong>the</strong> copyright agreement.<br />
Pro<strong>of</strong>s: These will be sent via E-mail, and must be duly corrected<br />
and returned within 48 hours. Absent authors should arrange<br />
for a colleague to access <strong>the</strong> E-mail and reply <strong>the</strong> pro<strong>of</strong>.<br />
For fur<strong>the</strong>r information please contact <strong>the</strong> Editorial Office<br />
through:<br />
Tele: +98-218-864-5492<br />
Fax: +98-218-8656198<br />
E-mail: aim@ams.ac.ir ; arch.iran.med@gmail.com<br />
Archives <strong>of</strong> Iranian Medicine, Volume 15, Number 5, May 2012 iii
• Editorial<br />
Hepatitis C in Iran. How Extensive <strong>of</strong> a Problem Is It?<br />
S. Merat, H. Poustchi<br />
When Are Patients with Common Bile Duct Stones Referred for Surgery?<br />
M. Khatibian, S. Merat<br />
• Original Articles<br />
High Prevalence <strong>of</strong> Hepatitis C <strong>In</strong>fection among High Risk Groups in<br />
Kohgiloyeh and Boyerahmad Province, Southwest Iran<br />
B. Sarkari, O. Eilami, A. Khosravani, A. Sharifi, M. Tabatabaee, M. Fararouei<br />
Assessment and Treatment <strong>of</strong> Choledocholithiasis when Endoscopic<br />
Sphincterotomy is not Successful<br />
A. Shojaiefard, M. Esmaeilzadeh, Z. Khorgami, R. Sotoudehmanesh, A.<br />
Ghafouri<br />
Reliability and Validity <strong>of</strong> <strong>the</strong> Modifiable Activity Questionnaire<br />
(MAQ) in an Iranian Urban Adult Population<br />
A. Momenan, M. Delshad, N. Sarbazi, N. Rezaei_Ghaleh, A. Ghanbarian,<br />
F. Azizi<br />
Efficacy <strong>of</strong> Harm Reduction Programs among Patients <strong>of</strong> a Smoking<br />
Cessation Clinic in Tehran, Iran<br />
H. Sharifi, R. Kharaghani, H. Emami, Z. Hessami, M.R. Masjedi<br />
Validity, Reliability and Factor Structure <strong>of</strong> Hepatitis B Quality <strong>of</strong> Life<br />
Questionnaire Version 1.0: Findings in a Large Sample <strong>of</strong> 320 patients<br />
A. Poorkaveh, A.H. Modabbernia, M. Ashrafi, S. Taslimi, M. Karami, M.<br />
Dalir, A. Estakhri, R. Malekzadeh, H. P. Sharifi, H. Poustchi<br />
A New Technical Approach to Cancers <strong>of</strong> <strong>the</strong> Cervical Esophagus<br />
N. Nikbakhsh, F. Saidi, H. Fahimi<br />
Severe Thrombocytopenia and Hemorrhagic Dia<strong>the</strong>sis due to Brucellosis<br />
H. Karsen, F. Duygu, K. Yapıcı, A. İ. Baran, H. Taskıran, İ. Binici<br />
Acute Administration <strong>of</strong> Zn, Mg, and Thiamine Improves Postpartum<br />
Depression Conditions in Mice<br />
S. Nikseresht, S. Etebary, M. Karimian, F. Nabavizadeh, M. R. Zarrindast,<br />
H. R. Sadeghipour<br />
Microbial Susceptibility, Virulence Factors, and Plasmid Pr<strong>of</strong>iles <strong>of</strong><br />
Uropathogenic Escherichia coli Strains Isolated from Children in Jahrom,<br />
Iran<br />
S. Farshad, R. Ranjbar, A. Japoni, M. Hosseini, M. Anvarinejad, R. Mohammadzadegan<br />
iv Archives <strong>of</strong> Iranian Medicine, Volume 15, Number 5, May 2012<br />
Table <strong>of</strong> Contents<br />
268<br />
269<br />
271<br />
275<br />
279<br />
283<br />
290<br />
298<br />
303<br />
306<br />
312<br />
Table <strong>of</strong> Contents<br />
268<br />
271
• Brief Report<br />
A Report <strong>of</strong> <strong>the</strong> <strong>In</strong>juries Sustained in Iran Air Flight 277 that<br />
Crashed near Urmia, Iran<br />
A. Afshar, M. Hajyhosseinloo, A. Eftekhari, M. B. Safari, Z.<br />
Yekta<br />
• Report<br />
Advocacy Strategies and Action Plans for Reducing Salt <strong>In</strong>take<br />
in Iran<br />
N. Mohammadifard, S. Fahimi, A. Khosravi, H. Pouraram, S.<br />
Sajedinejad, P. Pharoah, R. Malekzadeh, N. Sarrafzadegan<br />
• Case Reports<br />
A Rare Case <strong>of</strong> Perforated Meckel’s Diverticulum Presenting<br />
as a Gatrointestinal Stromal Tumor<br />
S. Sozen, Ö. Tuna<br />
Primary Adrenal Hydatid Cyst Presenting with Arterial Hypertension<br />
M. Mokhtari, S. Zeraatian Nejad Davani<br />
Primary <strong>In</strong>trathoracic Biphasic Synovial Sarcoma<br />
Y.Tezcan, M. Koc, H. Kocak, Y. Kaya<br />
• Photoclinic<br />
M. F. jarmakani, M. R. Mohebbi<br />
• Excerpts from Persian Medical Literature<br />
317<br />
320<br />
325<br />
328<br />
331<br />
Table <strong>of</strong> Contents<br />
317<br />
320<br />
325<br />
333<br />
335<br />
Archives <strong>of</strong> Iranian Medicine, Volume 15, Number 5, May 2012<br />
v
268 Archives <strong>of</strong> Iranian Medicine, Volume 15, Number 5, May 2012<br />
Editorial<br />
Hepatitis C in Iran. How Extensive <strong>of</strong> a Problem Is It?<br />
See <strong>the</strong> pages: 271– 274<br />
Cite this article as: Merat S, Poustchi H. Hepatitis C in Iran. How extensive <strong>of</strong> a problem is it?. Arch Iran Med. 2012; 15(5):268.<br />
H<br />
epatitis B virus (HBV) used to be - and in many countries,<br />
still is - <strong>the</strong> most common cause <strong>of</strong> chronic viral hepatitis.<br />
Since <strong>the</strong> introduction <strong>of</strong> an effective vaccine against this<br />
virus, many countries have implemented neonatal HBV vaccination<br />
in <strong>the</strong>ir general health programs. We are beginning to observe<br />
<strong>the</strong> effects <strong>of</strong> this vaccination in most parts <strong>of</strong> <strong>the</strong> world, including<br />
Iran, where <strong>the</strong> prevalence <strong>of</strong> HBV infection is slowly declining. 1,2<br />
On <strong>the</strong> o<strong>the</strong>r hand, <strong>the</strong>re is no effective vaccine against hepatitis C<br />
virus (HCV). The lack <strong>of</strong> an effective vaccine and increase in intravenous<br />
drug abuse, has led to a gradual increase in HCV infection<br />
in recent years. 3,4 It follows that sooner or later, HCV will replace<br />
HBV as <strong>the</strong> major cause <strong>of</strong> chronic viral liver disease. Currently, in<br />
many Western countries this already is <strong>the</strong> case. <strong>In</strong> Iran <strong>the</strong> rate <strong>of</strong><br />
HCV infection in <strong>the</strong> general population is relatively low. Estimates<br />
are around 0.5%, while <strong>the</strong> latest estimates <strong>of</strong> HBV infection<br />
are around 2.5%. Thus it would be quite a while before HCV prevalence<br />
in <strong>the</strong> general population <strong>of</strong> Iran reaches that <strong>of</strong> HBV. 2,4<br />
Never<strong>the</strong>less, in high risk populations <strong>the</strong> prevalence <strong>of</strong> HCV infection<br />
is already alarming. <strong>In</strong> a report from Sarkari et al., published<br />
in this issue <strong>of</strong> <strong>the</strong> journal, 5 a rate <strong>of</strong> 8.6% is noted among<br />
over 2000 high-risk subjects. O<strong>the</strong>r studies from Iran report rates<br />
as high as 31% in patients on chronic hemodialysis, 44.7% in thalassemia<br />
patients, 6 72% in hemophilia patients, 7 and up to 80%<br />
among intravenous drug abusers in prisons. 8 Numerous reports<br />
from Iran indicate a high prevalence <strong>of</strong> HCV infection in high-risk<br />
populations. How serious is <strong>the</strong> threat <strong>of</strong> HCV in Iran?<br />
Unlike HBV, <strong>the</strong>re is a good chance for total eradication <strong>of</strong><br />
HCVwith appropriate treatment. However this treatment is not inexpensive,<br />
nor is it well-tolerated. Genotype is one <strong>of</strong> <strong>the</strong> major<br />
factors effecting treatment and response. According to various reports<br />
from Iran, <strong>the</strong> difficult-to-treat genotypes (1 and 4) comprise<br />
about 40% – 60% <strong>of</strong> our cases which is less than reports from most<br />
Western countries. 9,10 Ano<strong>the</strong>r peculiarity <strong>of</strong> Iranian HCV patients<br />
is that <strong>the</strong>y appear to respond better to treatment, 11 although this<br />
better response might be partially explained by <strong>the</strong> recently described<br />
IL28B polymorphism. 12 This is fortunate as non-responders<br />
will probably require treatment with <strong>the</strong> expensive and poorly<br />
available protease inhibitors.<br />
It should be noted that <strong>the</strong> prevalence <strong>of</strong> HCV, as that <strong>of</strong> HBV, is<br />
not uniform throughout <strong>the</strong> country. Differences up to 6-fold have<br />
been observed. The prevalence among men is much higher than<br />
women, probably in <strong>the</strong> range <strong>of</strong> 10-fold. 4<br />
Ano<strong>the</strong>r feature <strong>of</strong> HCV infection in Iran is that <strong>the</strong>re is probably<br />
a less chance for chronicity. <strong>In</strong> a recent report from Iran, up to 38%<br />
<strong>of</strong> HCV infections spontaneously resolved. 13<br />
We need studies that will evaluate host factors in Iranian patients.<br />
It is conceivable that researchers may discover a genetic variation<br />
similar to IL28B which predicts response to treatment or spontaneous<br />
resolution.<br />
<strong>In</strong> Iran <strong>the</strong>re is a low prevalence <strong>of</strong> HCV, a low ratio <strong>of</strong> difficultto-treat<br />
genotypes, a high rate <strong>of</strong> spontaneous resolution, and better<br />
response to treatment. However, with <strong>the</strong> improvement <strong>of</strong> general<br />
health awareness in Iran and <strong>the</strong> high prevalence <strong>of</strong> HCV infection<br />
among high-risk groups, we will soon face a large number <strong>of</strong> HCV<br />
patients who seek treatment for which we need to be prepared.<br />
Shahin Merat MD, Hossein Poustchi MD PHD<br />
Digestive Disease Research Center, Tehran University <strong>of</strong> Medical<br />
Sciences, Tehran, Iran. E-mail: merat@tums.ac.ir<br />
References<br />
S. Merat, H. Poustchi<br />
1. Merat S, Malekzadeh R, Rezvan H, Khatibian M. Hepatitis B in Iran.<br />
Arch Irn Med. 2000; 3: 192 – 201.<br />
2. Merat S, Rezvan H, Nouraie M, Jamali A, Assari S, Abolghasemi H,<br />
et al. The prevalence <strong>of</strong> hepatitis B surface antigen and anti-hepatitis B<br />
core antibody in Iran: a population-based study. Arch Iran Med. 2009;<br />
12(3): 225 – 231.<br />
3. Rezvan H, Ahmadi J, Farhadi M, Tardyan S. A preliminary study <strong>of</strong><br />
prevalence <strong>of</strong> HCV infection in healthy Iranian blood donors. Vox<br />
Sang. 1994; 67(suppl 2): 149.<br />
4. Merat S, Rezvan H, Nouraie M, Jafari E, Abolghasemi H, Radmard<br />
AR, et al. Seroprevalence <strong>of</strong> hepatitis C virus: <strong>the</strong> first populationbased<br />
study from Iran. <strong>In</strong>t J <strong>In</strong>fect Dis. 2010; 14 (suppl 3):113 – 116.<br />
5. Sarkari B, Eilami O, Khosravani A, Sharifi A, Tabatabaee M, Fararoee<br />
M. High prevalence <strong>of</strong> hepatitis C infection among high risk groups in<br />
Kohgiloyeh and Boyerahmad province, Southwest <strong>of</strong> Iran. Arch Iran<br />
Med. 2012; 15(5): 271 – 274<br />
6. Hassanshahi G, Arababadi MK, Assar S, Hakimi H, Karimabad MN,<br />
Abedinzadeh M, et al. Post-transfusion-transmitted hepatitis C virus<br />
infection: a study on thalassemia and hemodialysis patients in sou<strong>the</strong>astern<br />
Iran. Arch Virol. 2011; 156: 1111 – 1115.<br />
7. Mosavi SA, Mansouri F, Saraei A, Sadeghei A, Merat S. [Seroprevalence<br />
<strong>of</strong> hepatitis C in hemophilia patients refering to Iran Hemophilia<br />
Society Center in Tehran]. Govaresh. 2011; 16: 16 – 174.<br />
8. Mir-Nasseri MM, Mohammadkhani A, Tavakkoli H, Ansari E, Poustchi<br />
H. <strong>In</strong>carceration is a major risk factor for blood-borne infection<br />
among intravenous drug users: <strong>In</strong>carceration and blood borne infection<br />
among intravenous drug users. Hepat Mon. 2011; 11: 19 – 22.<br />
9. Zarkesh-Esfahani SH, Kardi MT, Edalati M. Hepatitis C virus genotype<br />
frequency in Isfahan province <strong>of</strong> Iran: a descriptive cross-sectional<br />
study. Virol J. 2010; 7: 69.<br />
10. Samimi-Rad K, Nategh R, Malekzadeh R, Norder H, Magnius L. Molecular<br />
epidemiology <strong>of</strong> hepatitis C virus in Iran as reflected by phylogenetic<br />
analysis <strong>of</strong> <strong>the</strong> NS5B region. J Med Virol. 2004; 74: 246 – 252.<br />
11. Jabbari H, Bayatian A, Sharifi AH, Zaer-Rezaee H, Fakharzadeh E,<br />
Asadi R, et al. Safety and efficacy <strong>of</strong> locally manufactured pegylated interferon<br />
in hepatitis C patients. Arch Iran Med. 2010; 13(4): 306 – 312.<br />
12. Mahboobi N, Behnava B, Alavian SM. IL28B SNP genotyping among<br />
Iranian HCV-infected patients: A preliminary report. Hepat Mon. 2011;<br />
11: 386 – 388.<br />
13. Poustchi H, Esmaili S, Mohamadkhani A, Nikmahzar A, Pourshams<br />
A, Sepanlou SG, et al. The impact <strong>of</strong> illicit drug use on spontaneous<br />
hepatitis C clearance: experience from a large cohort population study.<br />
PLoS One. 2011; 6:23830.
Editorial<br />
When Are Patients With Common Bile Duct Stones Referred for<br />
Surgery?<br />
See <strong>the</strong> pages: 275 – 278<br />
Cite this article as: Khatibian M, Merat S. When are patients with common bile duct stones referred for surgery? Arch Iran Med. 2012; 15(5): 269 – 270.<br />
I<br />
n this issue <strong>of</strong> <strong>the</strong> journal, Shojaiefard et al. report <strong>the</strong> results<br />
<strong>of</strong> surgery upon 186 patients in which endoscopic removal <strong>of</strong><br />
common bile duct (CBD) stones had failed. 1<br />
Endoscopic Retrograde Cholangiopancreatography (ERCP) is<br />
considered <strong>the</strong> standard primary treatment for CBD stones in patients<br />
with previous cholecystectomy. Even in patients with gall<br />
bladders, ERCP toge<strong>the</strong>r with cholecystectomy is a well-accepted<br />
method. 2 Laprascopic CBD exploration is time consuming, requires<br />
more expertize, and is associated with increased morbidity<br />
including biliray strictures.Thus, surgeons <strong>of</strong>ten prefer to have<br />
<strong>the</strong> CBD stones removed endoscopically ei<strong>the</strong>r before or after<br />
cholecystectomy. 3A meta-analysis on non-cholecystectomiedsubjects<br />
with CBD stones looked at 7 trials comparing open surgery<br />
for removing both <strong>the</strong> gallbladder and <strong>the</strong> CBD stones vs. cholecystectomy<br />
and endoscopic removal<strong>of</strong> CBD stones. The results in<br />
terms <strong>of</strong> success rate, morbidity and mortality were no different<br />
between <strong>the</strong> two groups. Thus, <strong>the</strong> endoscopic method (followed<br />
by laparoscopic cholecystectomy), being less invasive and as successful<br />
as surgery was recommended as <strong>the</strong> <strong>the</strong>rapeutic strategy <strong>of</strong><br />
choice for CBD stones. 4<br />
When is surgery performed to remove CBD stones? Obviously,<br />
one occasion is when endoscopic treatment fails. Shojaiefard et<br />
al. report that among 1462 cases with CBD stones, 186 failed endoscopic<br />
treatment. 1 The success rate for removal <strong>of</strong> CBD stones<br />
with ERCPis 80 to 90%. Failures might be due to bile duct strictures,<br />
unusual anatomy such as duodenal diverticuli, stones being<br />
beyond <strong>the</strong> reach <strong>of</strong> wire basket, or stones being too large. 5 Failure<br />
<strong>of</strong> cannulation <strong>of</strong> ampulla occurs in 5% <strong>of</strong> ERCPs. The success rate<br />
is 76 and 80% at second and third attempt respectively. Although<br />
by expertise, <strong>the</strong> success rate might approach 100% on <strong>the</strong> second<br />
attempt. 6 Needle knife sphincterotomy increases <strong>the</strong> success rate<br />
by 25%. But occasionally, blocking <strong>of</strong> <strong>the</strong> endoscopic view due to<br />
bleeding might cause failure. 6 Needle-knife fistulotomy is ano<strong>the</strong>r<br />
technique which might assist in difficult cases. 7 <strong>In</strong> patients with<br />
large CBD stones, mechanical lithotripsy can increase <strong>the</strong> success<br />
rate to 95%. If mechanical lithotripsy fails too, extracorporeal<br />
shock wave lithotripsy (ESWL) can be successful in ano<strong>the</strong>r 80%. 8<br />
As discussed above, when initial ERCP fails, <strong>the</strong>re is still a very<br />
good chance <strong>of</strong> success with repeated attempts using appropriate<br />
techniques. Never<strong>the</strong>less, sometimes patients are refered for surgury<br />
immediately after <strong>the</strong> first failure.<br />
A few o<strong>the</strong>r factors are involved in <strong>the</strong> decision <strong>of</strong> when to give<br />
up on non-surgical management. Endoscopists tend to refer patients<br />
with simultanious gallbladder and CBD stones for surgery<br />
earlier than those who have already had <strong>the</strong>ir gallbladder removed.<br />
When are patients with common bile duct stones referred for surgery?<br />
On <strong>the</strong> one hand, <strong>the</strong> former will eventually need surgery to remove<br />
<strong>the</strong> gallbladder, even if ERCP is successful in removing <strong>the</strong><br />
CBD stones, so a second or third endoscopic attempt to remove <strong>the</strong><br />
CBD stones might not be justified in light <strong>of</strong> <strong>the</strong> overloaded ERCP<br />
department with many emergency patientsin line. The relatively<br />
large number <strong>of</strong> non-cholecystectomied patients refered for surgery<br />
in this study (76%) might be a reflection <strong>of</strong> this fact. On <strong>the</strong><br />
o<strong>the</strong>r hand, subjects who have already undergone cholecystectomy<br />
can be spared surgery if endoscopic treatment is successful. Thus,<br />
multiple attempts at removing <strong>the</strong> CBD stones endoscopically is<br />
well justified.<br />
It is also frequently observed that patients with less operative risk<br />
are more readily refered for surgery.<br />
<strong>In</strong> patients who are poor surgical risks, ERCP without cholecystectomy<br />
might lead to less morbidity and mortality. If <strong>the</strong> CBD<br />
stones cannot be removed, even after trying mechanical lithotripsy<br />
and ESWL, stenting <strong>of</strong> <strong>the</strong> CBD without removing <strong>the</strong> stones can<br />
still resolve symptoms in a majority <strong>of</strong> cases.<br />
A few newer techniques have also evolved. When ERCP is not<br />
performed before cholecystectomy, during surgery a standard<br />
ERCP cathter can be secured in <strong>the</strong> cystic duct instead <strong>of</strong> a T-tube.<br />
The cathter can be used to do cholangiography after surgery and<br />
if a stone is found, ERCP would be successful in removing <strong>the</strong><br />
stone in 97% withan only 1% complication rate.Transcystic stenting<br />
<strong>of</strong> <strong>the</strong> CBD during cholecytectomy, or placing a guidewire via<br />
<strong>the</strong> cystic duct and using <strong>the</strong> so-called ʻrendezvouz technique’ are<br />
among o<strong>the</strong>r methods with promise. The ʻfacilitated ERCP’ performed<br />
after such surgeries has a much higher success rate <strong>of</strong> 95%<br />
and results in shorter hospital stay. 9<br />
Morteza Khatibian MD, Shahin Merat MD<br />
Digestive Disease Research Center, Tehran university <strong>of</strong> Medical<br />
Sciences, Tehran Iran.<br />
References:<br />
1. Shojaiefard AE, KhorgamiZ, SotoudehmaneshR, GhafouriA. Assessment<br />
and Treatment <strong>of</strong> Choledocholithiasis when Endoscopic Sphincterotomy<br />
is not Successful. Arch Iran Med. 2012; 15(5): 275 – 278.<br />
2. Adler DG, Baron TH, Davila RE, Egan J, Hirota WK, Leighton JA, et<br />
al. ASGE guideline: <strong>the</strong> role <strong>of</strong> ERCP in diseases <strong>of</strong> <strong>the</strong> biliary tract and<br />
<strong>the</strong> pancreas. Gastrointest Endosc 2005; 62(1): 1 – 8.<br />
3. Martin DJ, Vernon DR, Toouli J. Surgical versus endoscopic treatment<br />
<strong>of</strong> bile duct stones. Cochrane Database Syst Rev. 2006; 2: CD003327.<br />
4. Sikora SS. Common bile duct stones: endoscopy or surgery? Natl Med<br />
J <strong>In</strong>dia 2007; 20(1): 23 – 24.<br />
5. Tyagi P, Sharma P, Sharma BC, Puri AS. Periampullary diverticula and<br />
Archives <strong>of</strong> Iranian Medicine, Volume 15, Number 5, May 2012 269
technical success <strong>of</strong> endoscopic retrograde cholangiopancreatography.<br />
Surg Endosc. 2009; 23(6): 1342 – 1345.<br />
6. Kim J, Ryu JK, Ahn DW, Park JK, Yoon WJ, Kim YT, et al. Results<br />
<strong>of</strong> repeat endoscopic retrograde cholangiopancreatography after initial<br />
biliary cannulation failure following needle-knife sphincterotomy. J<br />
Gastroenterol Hepatol. 2012; 27(3): 516 – 520.<br />
7. Khatibian M, Sotoudehmanesh R, Ali-Asgari A, Movahedi Z, Kolahdoozan<br />
S. Needle-knife fistulotomy versus standard method for cannulation<br />
<strong>of</strong> common bile duct: a randomized controlled trial. Arch Iran<br />
270 Archives <strong>of</strong> Iranian Medicine, Volume 15, Number 5, May 2012<br />
M.Khatibian, S.Merat<br />
Med. 2008; 11(1): 16-20.<br />
8. Minami A, Hirose S, Nomoto T, Hayakawa S. Small sphincterotomy<br />
combined with papillary dilation with large balloon permits retrieval<br />
<strong>of</strong> large stones without mechanical lithotripsy. World J Gastroenterol.<br />
2007; 13(15): 2179 – 2182.<br />
9. Morino M, Baracchi F, Miglietta C, Furlan N, Ragona R, Garbarini<br />
A. Preoperative endoscopic sphincterotomy versus laparoendoscopic<br />
rendezvous in patients with gallbladder and bile duct stones. Ann Surg.<br />
2006; 244(6): 889 – 893.
Original Article<br />
High Prevalence <strong>of</strong> Hepatitis C <strong>In</strong>fection among High Risk Groups<br />
in Kohgiloyeh and Boyerahmad Province, Southwest Iran<br />
Bahador Sarkari PhD 1 , Owrang Eilami MD 2 , Abdolmajid Khosravani PhD• 2 , Asghar Sharifi PhD 2 , Marzieh Tabatabaee MD 2 , Mohammad<br />
Fararouei PhD 3<br />
See <strong>the</strong> pages: 268<br />
Abstract<br />
Background: Detection <strong>of</strong> Hepatitis C virus (HCV)-infected people in each community assists with infection prevention and control. This<br />
study aims to evaluate <strong>the</strong> prevalence <strong>of</strong> HCV infection among high risk groups in Kohgiloyeh and Boyerahmad Province, Southwest Iran.<br />
Methods: This was a cross-sectional study conducted from 2009-2010 in Kohgiloyeh and Boyerahmad Province. High risk groups for HCV<br />
were <strong>the</strong> subjects <strong>of</strong> this study. Blood samples were taken from 2009 individuals at high risk for HCV that included inmates, injecting drug<br />
users (IDUs), health care workers, patients on maintenance hemodialysis, hemophilic patients, and those with histories <strong>of</strong> blood transfusions.<br />
Patients were residents <strong>of</strong> Yasuj, Gachsaran, and Dehdasht (3 main townships in <strong>the</strong> province). Samples were analyzed by ELISA for anti-<br />
HCV antibodies. Demographic features <strong>of</strong> participants were recorded by a questionnaire during sample collection. Data were analyzed by<br />
SPSS version 13 s<strong>of</strong>tware.<br />
Results: Of 2009 subjects, HCV antibodies were detected in 172 (8.6%). Rate <strong>of</strong> infection was higher in males (11.4%) compared to<br />
females (3.2%). Rate <strong>of</strong> infection in inmates was 11.7% while this rate was 42.4% in IDUs, 4.2% in health care workers, and 6.1% in thalassemic<br />
patients. Significant correlation was found between HCV infection, history <strong>of</strong> imprisonment, and thalassemia.<br />
Conclusion: Results <strong>of</strong> this study have provided epidemiologic features <strong>of</strong> HCV and its risk factors in Kohgiloyeh and Boyerahmad Province,<br />
Southwest Iran. This information may assist in preventing <strong>the</strong> spread <strong>of</strong> HCV infection in this and o<strong>the</strong>r similar settings in <strong>the</strong> region.<br />
The findings <strong>of</strong> this study may help in improving surveillance and infection control in <strong>the</strong> community through management and monitoring <strong>of</strong><br />
infected individuals.<br />
Keywords: HCV, high risk group, Iran, prevalence, seroprevalence<br />
Cite this article as: Sarkari B, Eilami O, Khosravani A, Sharifi A, Tabatabaee M, Fararouei M. High Prevalence <strong>of</strong> Hepatitis C <strong>In</strong>fection among High Risk Groups in<br />
Kohgiloyeh and Boyerahmad Province, Southwest Iran. Arch Iran Med. 2012; 15(5): 271 – 274.<br />
<strong>In</strong>troduction<br />
H<br />
epatitis C is a global health problem affecting more than<br />
170 million people worldwide. 1 Hepatitis C virus (HCV)<br />
is mainly transmitted parenterally or in <strong>the</strong> course <strong>of</strong> blood<br />
contamination during medical procedures.<br />
Most who acquire acute HCV infection have no symptoms or<br />
have a mild clinical disease. However, chronic HCV infection develops<br />
in 75% – 85% <strong>of</strong> those acutely infected individuals. 2 HCVinfected<br />
people serve as a reservoir for transmission <strong>of</strong> <strong>the</strong> infection<br />
to o<strong>the</strong>rs, including health care workers.<br />
It has been estimated that HCV accounts for 27% <strong>of</strong> cirrhosis<br />
and 25% <strong>of</strong> hepatocellular carcinoma (HCC) worldwide. HCV is<br />
a leading cause <strong>of</strong> liver failure and liver transplantation in adults. 2<br />
<strong>In</strong> Iran, it has been estimated that between 0.12% – 0.89%<br />
<strong>of</strong> <strong>the</strong> general population have anti-hepatitis C virus antibodies,<br />
Authors’ Affiliations: 1 Center for Basic Researches in <strong>In</strong>fectious Diseases,<br />
Shiraz University <strong>of</strong> Medical Sciences, Shiraz, Iran, 2 Faculty <strong>of</strong> Medicine, Yasuj<br />
University <strong>of</strong> Medical Sciences, Yasuj, Iran, 3 Faculty <strong>of</strong> Health, Yasuj University<br />
<strong>of</strong> Medical Sciences, Yasuj, Iran.<br />
•Corresponding author and reprints: Abdolmajid Khosravani PhD, Faculty<br />
<strong>of</strong> Medicine, Yasuj University <strong>of</strong> Medical Sciences, Yasuj, Iran, E mail:<br />
khosravani2us@yahoo.com<br />
Accepted for publication: 7 September 2011<br />
HCV <strong>In</strong>fection in a Southwest Area <strong>of</strong> Iran<br />
which corresponds to as many as 0.5 million chronic carriers. 3 A<br />
higher seroprevalence <strong>of</strong> HCV has been reported in special groups<br />
(homeless or gypsies) in Iran. 4,5 The infection is emerging mostly<br />
due to <strong>the</strong> problem <strong>of</strong> intravenous drug abuse and needle-sharing<br />
in this country.<br />
<strong>In</strong> a recent population-based study by Merat et al. male sex, history<br />
<strong>of</strong> intravenous drug abuse, and imprisonment were attributed to<br />
HCV infection. 3<br />
<strong>In</strong>jection drug users (IDUs) constitute <strong>the</strong> largest group <strong>of</strong> persons<br />
at high risk for acquiring HCV infection in developed countries.<br />
The range <strong>of</strong> HCV infection among IDUs in Iran has been reported<br />
to be 38% to 47%. 6–8<br />
It is essential to assess <strong>the</strong> magnitude <strong>of</strong> HCV infection in each<br />
region <strong>of</strong> Iran. This assessment will assist health authorities in improving<br />
surveillance and prevention <strong>of</strong> HCV infection in <strong>the</strong> community<br />
through management and monitoring <strong>of</strong> infected individuals.<br />
High-risk populations for HCV infection are individuals involved<br />
in activities that include possible contact with contaminated blood,<br />
such as blood transfusions, medical or dental care, acupuncture<br />
and tattooing, IDUs, prison inmates, and healthcare workers.<br />
This study aims to evaluate <strong>the</strong> epidemiologic features <strong>of</strong> HCV<br />
and its risk factors among high risk groups in Kohgiloyeh and<br />
Archives <strong>of</strong> Iranian Medicine, Volume 15, Number 5, May 2012 271
Table 1. Demographic characteristics <strong>of</strong> participants.<br />
Features<br />
Place <strong>of</strong> residence<br />
Frequency Percent<br />
Gachsaran 803 40<br />
Yasuj 802 39.9<br />
Dehdasht<br />
Sex<br />
404 20.1<br />
Male 1231 66.4<br />
Female<br />
Marital status<br />
621 33.6<br />
Single 692 39.7<br />
Married<br />
High risk groups<br />
1047 60.3<br />
<strong>In</strong>mates 616 30.6<br />
Health care workers 212 10.5<br />
<strong>In</strong>jecting drug users (IDUs) 158 7.8<br />
Thalassemic 49 2.4<br />
O<strong>the</strong>r†<br />
Age group (years)<br />
602 30<br />
1–20 166 9.5<br />
21–30 691 39.6<br />
31–40 472 27.1<br />
> 40 415 23.8<br />
Missing 265 -<br />
† Tattooing, history <strong>of</strong> surgery, dental care, having HCV-positive family member(s).<br />
High-risk groups Frequency HCV-positive Percent<br />
<strong>In</strong>mates 616 72 11.7<br />
Health care workers 212 9 4.2<br />
<strong>In</strong>jection drug users (IDUs) 158 67 42.2<br />
Thalassemic 49 3 6.1<br />
O<strong>the</strong>rs† 602 47 7.8<br />
† Tattooing, history <strong>of</strong> surgery, dental practice, HIV-positive family members.<br />
Boyerahmad Province, Southwest Iran, where such data are not<br />
currently available.<br />
Materials and Methods<br />
This descriptive cross-sectional study was conducted from 2009<br />
– 2010 in Kohgiloyeh and Boyerahmad Province, Iran. High risk<br />
groups for HCV were <strong>the</strong> subjects <strong>of</strong> this study. After obtaining<br />
approval from <strong>the</strong> Ethics Committee <strong>of</strong> Yasuj University <strong>of</strong><br />
Medical Sciences, blood samples were taken from 2009 individuals<br />
who were residents <strong>of</strong> Yasuj, Gachsaran, and Dehdasht (3 main<br />
townships in <strong>the</strong> province) that were at high risk for acquiring<br />
HCV. Participants were comprised <strong>of</strong> inmates (total inmates in 3<br />
main prisons in <strong>the</strong> province: 616), IDUs (158) health care workers<br />
272 Archives <strong>of</strong> Iranian Medicine, Volume 15, Number 5, May 2012<br />
Table 2. High-risk groups and HCV prevalence.<br />
B. Sarkari, O. Eilami, A. Khosravani, et al.<br />
Table 3. Risk factors associated with HCV seropositivity in high risk groups in Kohgiloyeh and Boyerahmad Province, Southwest Iran.<br />
Risk factor HCV positive HCV negative Total<br />
History <strong>of</strong> imprisonment 72 544 616<br />
History <strong>of</strong> drug use 67 91 158<br />
Transfusion 2 46 48<br />
Needle stick 9 213 222<br />
Thalassemia 3 46 49<br />
Unprotected sex 6 12 18<br />
O<strong>the</strong>r† 47 555 602<br />
† Tattooing, history <strong>of</strong> surgery, dental practice, having HCV-positive family members.<br />
(222 in <strong>the</strong> 3 main townships, based on <strong>the</strong> population <strong>of</strong> health<br />
care workers in each township), and thalassemic patients (49).<br />
Participation in this study was voluntary and all participants were<br />
counseled about <strong>the</strong> study. Participants were requested to provide<br />
signed informed consents. Confidentiality <strong>of</strong> <strong>the</strong> details <strong>of</strong> <strong>the</strong><br />
participants was guaranteed.<br />
Demographic features <strong>of</strong> participants were recorded using<br />
a questionnaire during sample collection. The questionnaire<br />
contained detailed questions regarding HCV-related risk behaviors<br />
such as injection <strong>of</strong> intravenous drugs, history <strong>of</strong> imprisonment,<br />
having received blood and/or blood products, unsafe sexual<br />
practice, and history <strong>of</strong> o<strong>the</strong>r risk factors such as receiving tattoos,<br />
body piercing, and history <strong>of</strong> surgery or dental care.<br />
A total <strong>of</strong> 5 ml <strong>of</strong> blood was taken from each subject and sera
High risk behavior Df Sig Odds ratio<br />
95% CI for Exp (B)<br />
Lower Upper<br />
History <strong>of</strong> drug use 1 0.105 1.603 0.906 2.838<br />
Thalassemia 1 0.000 3.761 1.909 7.409<br />
Transfusion/ hemophilia 1 0.907 1.101 0.221 5.487<br />
Needle stick 1 0.389 1.538 0.577 4.101<br />
History <strong>of</strong> imprisonment 1 0.033 8.231 1.191 56.884<br />
were tested for anti-HCV antibodies by an enzyme-linked<br />
immunosorbant assay (ELISA, DIALab, Austria). The sensitivity<br />
<strong>of</strong> this test (a third generation ELISA) is 99.55% and specificity is<br />
99.79%.<br />
Collected data were analyzed by SPSS version 13 s<strong>of</strong>tware.<br />
Standard x 2 test was used to assess <strong>the</strong> univariate correlation <strong>of</strong><br />
demographic and behavioral variables and HCV seropositivity.<br />
Results<br />
Of 2009 subjects, 802 (39.9%) were from Yasuj, 803 (40%) were<br />
from Gachsaran, and 404 (20.1%) were from Dehdasht. Males<br />
constituted 66.4% <strong>of</strong> subjects whereas 33.4% <strong>of</strong> participants were<br />
female. Most subjects (39.6%) were among <strong>the</strong> 21 – 30 year-old<br />
age group and most were married (60.3%). Table 1 shows <strong>the</strong><br />
demographic characteristics <strong>of</strong> participants in this study.<br />
HCV antibodies were detected in 172 (8.6%) cases. Rate <strong>of</strong><br />
infection was higher in males (11.4%) compared to females (3.2%).<br />
Rate <strong>of</strong> infection in inmates was 11.7% while this rate was 42.4%<br />
in IDUs, 4.2% in health care workers, and 6.1% in thalassemic<br />
patients. The highest prevalence <strong>of</strong> HCV (9.3%; 64/691) was<br />
found in <strong>the</strong> 21 – 30 year-old age group. Table 2 represents <strong>the</strong><br />
prevalence <strong>of</strong> HCV infection in each high risk group in this study.<br />
Unemployed people were found to be <strong>the</strong> main victims <strong>of</strong> this<br />
disease. Significant correlation was found between marital status<br />
and HCV seropositivity. The rate <strong>of</strong> seropositivity in unmarried<br />
subjects was 11.4% compared with 6.4% for married individuals<br />
(P < 0.05).<br />
Significant correlation was found between HCV seropositivity<br />
and sex (more common in males), history <strong>of</strong> imprisonment, drug<br />
addiction, level <strong>of</strong> education (more common in illiterate and<br />
less educated subjects) and place <strong>of</strong> residence (more common<br />
in Gachsaran). No significant correlation (P > 0.05) was found<br />
between HCV seropositivity and age, history <strong>of</strong> needle stick,<br />
and employment. Table 3 shows <strong>the</strong> risk factors which might be<br />
associated with HCV seropositivity in this study. Multivariate<br />
analysis, using backward selection logistic regression, revealed<br />
a correlation between history <strong>of</strong> imprisonment, thalassemia and<br />
HCV positivity. Table 4 shows <strong>the</strong> details <strong>of</strong> this correlation.<br />
Discussion<br />
Approximately 3% <strong>of</strong> <strong>the</strong> world’s population are infected with<br />
HCV. 1 The high risk groups for HCV infection are those who practice<br />
activities such as blood transfusions, medical or dental care,<br />
acupuncture and tattooing, IDUs, imprisonment, and health care<br />
workers. HCV-positive individuals might expose <strong>the</strong>ir friends,<br />
families and general community to HCV infection. <strong>In</strong> this study<br />
we have evaluated <strong>the</strong> seroprevalence <strong>of</strong> HCV in high risk groups<br />
HCV <strong>In</strong>fection in a Southwest Area <strong>of</strong> Iran<br />
Table 4. Association between HCV positivity and risk factors in high risk groups in Kohgiloyeh and Boyerahmad Province, Southwest Iran.<br />
in Kohgiloyeh and Boyerahmad Province. The study was justified<br />
by <strong>the</strong> lack <strong>of</strong> information about HCV infection in this area.<br />
Prevalence <strong>of</strong> HCV antibody positivity among all participants<br />
<strong>of</strong> this study was 8.6%. Findings <strong>of</strong> this study demonstrated a<br />
relatively high prevalence <strong>of</strong> HCV in this area. Since <strong>the</strong> recruited<br />
subjects <strong>of</strong> this study were from selected high risk groups,<br />
<strong>the</strong>refore <strong>the</strong> rate <strong>of</strong> HCV in <strong>the</strong> entire population <strong>of</strong> <strong>the</strong> district<br />
might be different. Because <strong>of</strong> religious beliefs and possible lack<br />
<strong>of</strong> co-operation in answering questions related to sexual behaviors,<br />
many individuals did not properly answer this question. Such data<br />
was not considered in <strong>the</strong> statistical analysis. Self-reporting <strong>of</strong><br />
behaviors such as sexual activity and drug use are o<strong>the</strong>r limitations<br />
<strong>of</strong> this study.<br />
It is worth mentioning that <strong>the</strong> seropositivity <strong>of</strong> HCV does not<br />
mean HCV infection since spontaneous resolution <strong>of</strong> HCV might<br />
occur in HCV-infected individuals. <strong>In</strong> such cases ELISA results are<br />
positive but <strong>the</strong> patient is not HCV-infected.<br />
Despite <strong>the</strong> low HCV seroprevalence in <strong>the</strong> Iranian general population,<br />
recent studies have shown a high prevalence <strong>of</strong> HCV infection<br />
among Iranian prisoners. Of 460 inmates in a prison in<br />
Guilan, 45.4% were HCV antibody positive. 7 <strong>In</strong> our study <strong>the</strong><br />
rate <strong>of</strong> seropositivity in prisoners was lower (11.6%). Participants<br />
who spent more time in prison were significantly more likely to<br />
be positive for antibodies to HCV in our study. The current study<br />
found a positive correlation between being in prison and HCV<br />
seropositivity. Such connection has been reported in a study by<br />
Alizadeh et al. <strong>of</strong> prisoners in Hamedan, Iran where <strong>the</strong>y reported<br />
a prevalence <strong>of</strong> 30% for HCV antibodies. 9<br />
The overall seroprevalence <strong>of</strong> HCV among Iranian blood donors<br />
has been estimated to be 0.12%. 10 The prevalence <strong>of</strong> anti-HCV<br />
antibodies among 7897 healthy voluntary blood donors in Shiraz,<br />
Iran was 0.59% in 1998. 11 This approximated <strong>the</strong> frequency <strong>of</strong><br />
anti-HCV recently reported in a population-based study in Iran. 3<br />
Khedmat et al. reported a frequency <strong>of</strong> 2.07% for anti-hepatitis C<br />
among Iranian blood donors in 2009. 12 <strong>In</strong> our study, 4.1% <strong>of</strong> patients<br />
who had a history <strong>of</strong> transfusion were positive for anti-HCV<br />
antibodies.<br />
The prevalence <strong>of</strong> HCV infection in hemophilic patients in Iran<br />
has been reported to be 15.6% in Fars, 44.3% in Kerman, 29.6%<br />
in Zahedan, 59.1% in Hamadan, 71.3% in Guilan, and 76.7%<br />
in Northwest Iran. The overall estimate <strong>of</strong> HCV in <strong>the</strong>se patients<br />
in <strong>the</strong> entire country is estimated to be 50%. 6,13–15 <strong>In</strong> our study <strong>the</strong><br />
numbers <strong>of</strong> hemophilic patients were too few to draw any conclusion<br />
about prevalence <strong>of</strong> HCV in this high risk group in <strong>the</strong> region.<br />
Thalassemic patients are at high risk for hepatitis C infection;<br />
19.3% in 732 patients with beta-thalassemia from 5 provinces <strong>of</strong><br />
Iran have been reported to be infected with HCV. 16 <strong>In</strong> our study<br />
6.1% <strong>of</strong> thalassemic patients were HCV-positive.<br />
HCV infection is a significant health problem in dialysis units<br />
Archives <strong>of</strong> Iranian Medicine, Volume 15, Number 5, May 2012 273
in Iran. Seroprevalence <strong>of</strong> hepatitis C in hemodialysis patients in<br />
Guilan, nor<strong>the</strong>rn Iran was reported to be 24.8%. 17 Recent studies<br />
have reported a decline in prevalence <strong>of</strong> HCV in hemodialysis patients<br />
in Iran from 14.4% in 1999 to 4.5% in 2006. 18 It has been<br />
shown that blood transfusion and duration <strong>of</strong> dialysis treatment are<br />
important risk factors for HCV infection in patients on maintenance<br />
hemodialysis. The more units transfused, <strong>the</strong> higher <strong>the</strong> risk for<br />
HCV infection.<br />
There is a wide range <strong>of</strong> HCV infection, 2 – 100%, in IDUs in<br />
different parts <strong>of</strong> <strong>the</strong> world. 19<br />
The findings <strong>of</strong> <strong>the</strong> current study have shown that 42.4% <strong>of</strong> IDUs<br />
are infected with HCV; thus <strong>the</strong>y are a very important reservoir for<br />
<strong>the</strong> spread <strong>of</strong> HCV to o<strong>the</strong>rs in <strong>the</strong> community. Alavi et al. have<br />
reported a higher seroprevalence <strong>of</strong> HCV (52.11%) in IDUs in Ahvaz,<br />
Iran. 20<br />
<strong>In</strong> conclusion, <strong>the</strong> findings <strong>of</strong> <strong>the</strong> present study have provided<br />
epidemiologic features <strong>of</strong> hepatitis C and its risk factors in<br />
Kohgiloyeh and Boyerahmad Province in Southwest Iran. This<br />
information contributes to our understanding <strong>of</strong> <strong>the</strong> worldwide<br />
prevalence <strong>of</strong> hepatitis C and may help to contain <strong>the</strong> spread <strong>of</strong><br />
HCV infection in this and o<strong>the</strong>r similar settings in <strong>the</strong> region. The<br />
findings <strong>of</strong> this study may assist in improving surveillance and prevention<br />
<strong>of</strong> HCV infection in <strong>the</strong> community through management<br />
and monitoring <strong>of</strong> infected individuals.<br />
Acknowledgments<br />
This study was financially supported by <strong>the</strong> Governor <strong>of</strong><br />
Kohgiloyeh and Boyerahmad Province. We thank <strong>the</strong> medical and<br />
nursing staff <strong>of</strong> Shahid Beheshti and Imam Sadjjad hospitals for<br />
<strong>the</strong>ir assistance with sample collection. We particularly express<br />
our appreciation to those who provided blood samples for this<br />
study.<br />
References<br />
1. Global surveillance and control <strong>of</strong> hepatitis C. Report <strong>of</strong> a WHO Consultation<br />
organized in collaboration with <strong>the</strong> Viral Hepatitis Prevention<br />
Board, Antwerp, Belgium. J Viral Hepat. 1999; 6: 35 – 47.<br />
2. Ho<strong>of</strong>nagle JH. Course and outcome <strong>of</strong> hepatitis C. Hepatology. 2002;<br />
36: 21 – 29.<br />
3. Merat S, Rezvan H, Nouraie M, Jafari E, Abolghasemi H, Radmard<br />
AR, et al. Seroprevalence <strong>of</strong> hepatitis C virus: The first population-<br />
274 Archives <strong>of</strong> Iranian Medicine, Volume 15, Number 5, May 2012<br />
B. Sarkari, O. Eilami, A. Khosravani, et al.<br />
based study from Iran. <strong>In</strong>t J <strong>In</strong>fect Dis. 2010; 14: 113 – 116.<br />
4. Vahdani P, Hosseini-Moghaddam SM, Family A, Moheb-Dezfouli R.<br />
Prevalence <strong>of</strong> HBV, HCV, HIV and syphilis among homeless subjects<br />
older than fifteen years in Tehran. Arch Iran Med. 2009; 12: 483 – 487.<br />
5. Hosseini Asl SK, Avijgan M, Mohamadnejad M. High prevalence <strong>of</strong><br />
HBV, HCV, and HIV infections in gypsy population residing in Shahr-<br />
E-Kord. Arch Iran Med. 2004; 7: 20 – 22.<br />
6. Alavian SM, Fallahian F. Epidemiology <strong>of</strong> hepatitis C in Iran and <strong>the</strong><br />
world. Shiraz E-Med J. 2009; 10(4): 162 – 172.<br />
7. Alavian SM, Adibi P, Zali MR. Hepatitis C virus in Iran: Epidemiology<br />
<strong>of</strong> an emerging infection. Arch Iran Med. 2005; 8: 84 – 90.<br />
8. Rahimi-Movaghar A, Razaghi EM, Sahimi-Izadian E, Amin-Esmaeili<br />
M. HIV, hepatitis C virus, and hepatitis B virus co-infections among<br />
injecting drug users in Tehran, Iran. <strong>In</strong>t J <strong>In</strong>fect Dis. 2010; 14: 28 – 33.<br />
9. Alizadeh AHM, Alavian SM, Jafari K, Yazdi N. Prevalence <strong>of</strong> hepatitis<br />
C virus infection and its related risk factors in drug abuser prisoners in<br />
Hamedan - Iran. World J Gastroenterol. 2005; 11: 4085 – 4089.<br />
10. Alavian SM, Gholami B, Masarrat S. Hepatitis C risk factors in Iranian<br />
volunteer blood donors: A case-control study. J Gastroenterol Hepatol.<br />
2002; 17: 1092 – 1097.<br />
11. Ghavanini AA, Sabri MR. Hepatitis B surface antigen and anti-hepatitis<br />
C antibodies among blood donors in <strong>the</strong> Islamic Republic <strong>of</strong> Iran.<br />
East Mediterr Health J. 2000; 6: 1114 – 1116.<br />
12. Khedmat H, Fallahian F, Abolghasemi H, Alavian SM, Hajibeigi B,<br />
Miri SM, et al. Seroepidemiologic study <strong>of</strong> hepatitis B virus, hepatitis<br />
C virus, human immunodeficiency virus and syphilis infections in Iranian<br />
blood donors. Pak J Biol Sci. 2007; 15: 4461 – 4466.<br />
13. Karimi M, Ghavanini AA. Seroprevalence <strong>of</strong> HBsAg, anti-HCV, and<br />
anti-HIV among haemophiliac patients in Shiraz, Iran. Haematologia.<br />
2001; 31: 251 – 255.<br />
14. Sharifi-Mood B, Eshghi P, Sanei-Moghaddam E, Hashemi M. Hepatitis<br />
B and C virus infections in patients with hemophilia in Zahedan,<br />
sou<strong>the</strong>ast Iran. Saudi Med J. 2007; 28: 1516 – 1519.<br />
15. Mansour-Ghanaei F, Fallah MS, Shafaghi A, Yousefi-Mashhoor M,<br />
Ramezani N, Farzaneh F, et al. Prevalence <strong>of</strong> hepatitis B and C seromarkers<br />
and abnormal liver function tests among hemophiliacs in<br />
Guilan (nor<strong>the</strong>rn province <strong>of</strong> Iran). Med Sci Monit. 2002; 8: 797 – 800.<br />
16. Mirmomen S, Alavian SM, Hajarizadeh B, Kafaee J, Yektaparast B,<br />
Zahedi MJ, et al. Epidemiology <strong>of</strong> hepatitis B, hepatitis C, and human<br />
immunodeficiency virus infections in patients with beta-thalassemia in<br />
Iran: A multicenter study. Arch Iran Med. 2006; 9: 319 – 323.<br />
17. Amiri ZM, Shakib AJ, Toorchi M. Seroprevalence <strong>of</strong> hepatitis C and<br />
risk factors in haemodialysis patients in Guilan, Islamic Republic <strong>of</strong><br />
Iran. East Mediterr Health J. 2005; 11: 372 – 376.<br />
18. Alavian SM, Mahdavi-Mazdeh M, Bagheri-Lankarani K. Hepatitis B<br />
and C in dialysis units in Iran, changing <strong>the</strong> epidemiology. Hemodial<br />
<strong>In</strong>t. 2008; 12: 378 – 382.<br />
19. Aceijas C, Rhodes T. Global estimates <strong>of</strong> prevalence <strong>of</strong> HCV infection<br />
among injecting drug users. <strong>In</strong>t J Drug Policy. 2007; 18: 352 – 358.<br />
20. Alavi SM, Alavi L. Seroprevalence study <strong>of</strong> HCV among hospitalized<br />
intravenous drug users in Ahvaz, Iran (2001-2006). J <strong>In</strong>fect Public<br />
Health. 2009; 2: 47 – 51.
Original Article<br />
Assessment and Treatment <strong>of</strong> Choledocholithiasis when Endoscopic<br />
Sphincterotomy is not Successful<br />
Abolfazl Shojaiefard MD 1 , Majid Esmaeilzadeh MD 2 , Zhamak KhorgamiMD• 1 , Rasoul Sotoudehmanesh MD 3 , Ali Ghafouri MD 1<br />
See <strong>the</strong> pages: 269 – 270<br />
Abstract<br />
Background: Choledocholithiasis exists in approximately 15% <strong>of</strong> patients with gallstones and is present in 3%-10% <strong>of</strong> those undergoing<br />
cholecystectomy.<br />
Methods: <strong>In</strong> this study, we retrospectively analyzed <strong>the</strong> outcome patients with choledocholithiasis that were managed by open common<br />
bile duct (CBD) exploration according to our center’s protocol. Endoscopic retrograde cholangiopancreatography (ERCP) was performed for<br />
CBD stone clearance. If ERCP and sphincterotomy were not successful, open surgical exploration <strong>of</strong> CBD was performed with T-tube insertion<br />
without routine intraoperative cholangiography (IOC).<br />
Results: We studied 1462 patients with choledocholithiasis. ERCP was successful in in 1276 (87.2%) patients. A total <strong>of</strong> 186 (12.8%)<br />
underwent surgery. Of <strong>the</strong>se, 82 (45.2%) had CBD exploration and T-tube insertion without IOC. Choledochoduodenostomy was performed<br />
in 82 (44.1%) patients and choledochojejunostomy was performed in 20 (10.8%). Retained stones were found only in 4 cases which were<br />
treated by ERCP.<br />
Conclusion: ERCP is successful in most cases with choledocholithiasis. If ERCP fails, open exploration <strong>of</strong> CBD and T-tube insertion, or<br />
biliary-enteric anastomosis are acceptable ways for CBD drainage. The rate <strong>of</strong> retained stone is not more than expected, thus elective IOC<br />
is more acceptable than routine IOC. Routine IOC is time-consuming and particularly difficult in elderly patients and emergency conditions.<br />
Keywords: Choledochoduodenostomy, Choledochojejunostomy, Choledocholithiasis, ERCP<br />
Cite this article as: Shojaiefard A, Esmaeilzadeh M, Khorgami Z, Sotoudehmanesh R, Ghafouri A. Assessment and Treatment <strong>of</strong> Choledocholithiasis when Endoscopic<br />
Sphincterotomy is not Successful. Arch Iran Med. 2012; 15(5): 275 – 278.<br />
<strong>In</strong>troduction<br />
Choledocholithiasis is a medical condition that mandates surgical<br />
intervention. It may occur in 3% – 10% <strong>of</strong> patients<br />
with cholecystectomy, 1 and as high as 14.7% in some series.<br />
2 Generally, <strong>the</strong> prevalence <strong>of</strong> asymptomatic bile duct stones is<br />
reported between 5.2% and 12%. 3<br />
There are several diagnostic approaches for common bile duct<br />
(CBD) stones. These include: laboratory analysis, ultrasonography<br />
(US), computed tomography scans (CT scan), magnetic resonance<br />
cholangiopancreatography (MRCP), endoscopic ultrasonography<br />
(EUS), and endoscopic retrograde cholangiopancreatography<br />
(ERCP). <strong>In</strong>traoperative cholangiography (IOC) during cholecystectomy<br />
can be performed routinely or selectively to diagnose<br />
choledocholithiasis. 4,5 Nowadays, 2 groups <strong>of</strong> interventions have<br />
a significant role in <strong>the</strong> management <strong>of</strong> patients with gallstone and<br />
CBD stones: pre- or post-cholecystectomy ERCP with endoscopic<br />
sphincterotomy (ES), which is a two-stage procedure, and surgical<br />
bile duct clearance and cholecystectomy by single open or<br />
laparoscopic surgery (one-stage procedure). Several randomized<br />
controlled trials have shown comparable effectiveness <strong>of</strong> <strong>the</strong>se<br />
Authors’ Affiliations: 1 Department <strong>of</strong> Surgery and Research Center for Improvment<br />
<strong>of</strong> Surgical Outcomes and Procedures, Shariati Hospital, Tehran University<br />
<strong>of</strong> Medical Sciences, Tehran, Iran, 2 Department <strong>of</strong> General, Visceral and Transplantation<br />
Surgery, University <strong>of</strong> Heidelberg, Germany, 3 Digestive Diseases Research<br />
Center, Shariati Hospital, Tehran University <strong>of</strong> Medical Sciences, Tehran, Iran .<br />
•Corresponding author and reprints: Zhamak Khorgami MD, Department <strong>of</strong><br />
Surgery, Tehran University <strong>of</strong> Medical Sciences, Shariati Hospital, Kargar Ave,<br />
Tehran, Iran. Tel.: +98-21-84902450, Fax: +98-21-88633039,<br />
E-mail: khorgami@gmail.com.<br />
Accepted for publication: 21 October 2011<br />
modalities. 6,7 O<strong>the</strong>r methods include electrohydraulic lithotripsy<br />
(EHL), extracorporeal shockwave lithotripsy (ESWL), laser lithotripsy<br />
and dissolving solutions that are advocated for special conditions.<br />
8,9<br />
Although, ERCP and laparoscopic CBD exploration are preferred<br />
methods in most centers, open CBD exploration should never be<br />
abandoned. Some studies have proposed choledochotomy with<br />
primary laparoscopic closure <strong>of</strong> <strong>the</strong> CBD which eliminates <strong>the</strong><br />
need for a T-tube, thus reducing surgical time and postoperative<br />
morbidity. 10 However, open CBD exploration with T-tube insertion<br />
remains <strong>the</strong> standard procedure for most patients.<br />
<strong>In</strong> this study, we review <strong>the</strong> results <strong>of</strong> surgical management in<br />
186 out <strong>of</strong> 1462 patients with choledocholithiasis. We present our<br />
protocol for <strong>the</strong> management and treatment <strong>of</strong> choledocholithiasis,<br />
particularly in cases <strong>of</strong> unsuccessful ERCP and sphincterotomy.<br />
Materials and Methods<br />
Treatment <strong>of</strong> Choledocholithiasis<br />
From June 2007 to March 2010, 1462 patients with choledocholithiasis<br />
referred to Shariati Hospital, Tehran University <strong>of</strong> Medical<br />
Sciences. After primary evaluation with laboratory tests and US,<br />
patients’ diagnoses were confirmed by EUS or MRCP.<br />
We performed ERCP and ES in confirmed cases to extract CBD<br />
stones. When ERCP was not successful <strong>the</strong> patient underwent surgery.<br />
We administered antibiotic <strong>the</strong>rapy (ceftriaxone 1 gr/IV/BD<br />
and metronidazole 500 mg/IV/TDS) to patients with cholangitis<br />
and/or cholecystitis. This <strong>the</strong>rapy continued for 5 – 7 days in patients<br />
with acute cholangitis and for 48 hours after elective surgeries<br />
in those without cholangitis. Surgical procedures included<br />
Archives <strong>of</strong> Iranian Medicine, Volume 15, Number 5, May 2012 275
Frequency Percent (%)<br />
Main presentation<br />
Cholecystitis 98 52.7<br />
Cholangitis 62 33.3<br />
Biliary colic 15 8.1<br />
Pancreatitis<br />
Comorbid diseases<br />
11 5.9<br />
Diabetes mellitus 27 14.5<br />
Hypertension 22 11.8<br />
Ischemic heart disease 5 2.7<br />
Chronic obstructive pulmonary disease 3 1.6<br />
O<strong>the</strong>r<br />
Type <strong>of</strong> surgery<br />
8 4.3<br />
CBD exploration and T-tube insertion 84 45.2<br />
Choledochoduodenostomy 82 44.1<br />
Choledochojejunostomy 20 10.7<br />
CBD exploration and T-tube insertion or biliary enteric anastomosis<br />
(choledochoduodenostomy and choledochojejunostomy). Figure<br />
1 shows <strong>the</strong> algorithmic approach to patients with choledocholithiasis<br />
at Shariati Hospital.<br />
<strong>In</strong> our center, laparoscopic cholecystectomy is <strong>the</strong> surgery <strong>of</strong><br />
choice. However, due to insufficient experience in laparoscopic<br />
exploration <strong>of</strong> CBD and previous open cholecystectomy in some<br />
patients who had subsequent adhesions, we performed open surgery<br />
in <strong>the</strong>se cases through a right subcostal or upper abdominal<br />
midline incision. We inserted a T-tube in <strong>the</strong> CBD when its diameter<br />
was less than 12 mm and in patients with cholangitis. <strong>In</strong> o<strong>the</strong>r<br />
patients that underwent elective surgery with CBD diameter more<br />
than 12 mm, we performed biliary-enteric anastomosis (choledochoduodenostomy<br />
or choledochojejunostomy).<br />
Routine IOC after T-tube insertion can determine retained stones.<br />
However, because IOC is time-consuming we did not perform this<br />
procedure if we could pass appropriate biliary dilators through <strong>the</strong><br />
sphincter <strong>of</strong> oddi after stone extraction and certainty <strong>of</strong> CBD clearance.<br />
This timesaving approach was particularly important in older<br />
or critically ill patients. Then, after irrigation <strong>of</strong> <strong>the</strong> CBD with normal<br />
saline, we inserted a 14 or 16 Fr T-tube in <strong>the</strong> CBD and closed<br />
<strong>the</strong> choledocotomy with absorbable (Vicryl 3-0) separate sutures.<br />
Seven to eight days after surgery, T-tube cholangiography was performed.<br />
<strong>In</strong> cases without retained stones <strong>the</strong> T-tube was extracted<br />
14 to 21 days after surgery.<br />
Statistical analysis<br />
Statistical analysis was performed using SPSS for Windows version<br />
16.0 (SPSS <strong>In</strong>c., Chicago, IL). For quantitative data, mean<br />
and ranges were calculated. Quantitative data were reported as<br />
relative frequencies and percentages. <strong>In</strong> this study, <strong>the</strong> significant<br />
variables analysis was entered into both <strong>the</strong> chi-square and t-tests.<br />
P values < 0.05 were considered statistically significant.<br />
Results<br />
There were 186 out <strong>of</strong> 1462 patients with choledocholithiasis<br />
who underwent surgery. Of <strong>the</strong>se, 82 (44%) were women and 104<br />
(56%) were men. Patients’ mean age was 58.6 ± 15 years (range:<br />
21 – 78 years). The main presentations and comorbid diseases are<br />
shown in Table 1. Comorbidities <strong>of</strong> hypertension, diabetes mellitus,<br />
ischemic heart disease, and chronic obstructive pulmonary<br />
disease were present in 65 (34.9%) patients.<br />
Sixty-six (35.5%) patients had leukocytosis (wbc > 11,000/mm 3 ).<br />
Jaundice was present in 38 (20.4%) patients and <strong>the</strong> mean total<br />
276 Archives <strong>of</strong> Iranian Medicine, Volume 15, Number 5, May 2012<br />
A. Shojaiefard, M. Esmaeilzadeh, Z. Khorgami, et al.<br />
Table 1. Frequency <strong>of</strong> main presentation, comorbid disease, and type <strong>of</strong> surgery in 186 patients with choledocolithiasis.<br />
bilirubin was 2.7 ± 1.7 mg/dl. Alkaline phosphatase was greater<br />
than 300 U/dL in 96 (51.6%) patients. US showed a mean CBD diameter<br />
<strong>of</strong> 14.4 ± 6.4 mm; <strong>the</strong> mean stone size was 13.3 ± 4.8 mm.<br />
There was a history <strong>of</strong> previous cholecystectomy in 45 (24.2%)<br />
patients.<br />
ERCP was successful in 1276 <strong>of</strong> 1462 (87.3%) patients and 186<br />
(12.7%) underwent open surgical CBD exploration. Main reasons<br />
for ERCP failure were multiple stones, large stones (≥1.5 cm) and<br />
impacted stone in <strong>the</strong> distal portion <strong>of</strong> <strong>the</strong> CBD, among o<strong>the</strong>rs.<br />
Existence <strong>of</strong> periampullary diverticulum (3 cases), bulbar deformity<br />
<strong>of</strong> <strong>the</strong> duodenum (1 case), and ampullary polyp (1 case) also<br />
prevented ERCP.<br />
<strong>In</strong> 84 (45.2%) out <strong>of</strong> 186 patients CBD exploration and T-tube<br />
insertion were performed. Of <strong>the</strong>se, 40 (47.6%) had acute cholangitis,<br />
33 (39.3%) had cholecystitis, and 11 (13.1%) had pancreatitis.<br />
There were 4 cases with retained stones after T-tube insertion<br />
according to postoperative T-tube cholangiography. Endoscopic<br />
sphincterotomy and stone extraction were successfully performed<br />
to extract <strong>the</strong> retained stones.<br />
We performed biliary-enteric anastomoses in 102 (54.8%) patients<br />
whose surgical conditions were not urgent and had CBD<br />
diameters <strong>of</strong> 12 mm or more. <strong>In</strong>cluded in this group were patients<br />
with cholangitis who were responsive to antibiotic <strong>the</strong>rapy. For 82<br />
(44.1%) patients, choledochoduodenostomy was performed and<br />
20 (10.7%) underwent choledochojejunostomy. The latter was<br />
performed when adhesions or deformity <strong>of</strong> <strong>the</strong> duodenum and difficulty<br />
in its mobilization were present.<br />
Mean surgery time was 128 ± 23 minutes. The length <strong>of</strong> hospitalization<br />
was 6.8 ± 3.8 days, which was less in patients who had<br />
T-tube insertions when compared with biliary-enteric anastomosis<br />
(6.4 ± 3.4 days vs. 8.5 ± 4 days, p = 0.02). The age <strong>of</strong> patients with<br />
T-tube insertion was less than those with biliary-enteric anastomosis<br />
(54.4 ± 14.4 vs. 63.7 ± 16.5 years, p = 0.01).<br />
A total <strong>of</strong> 33 (17.7%) patients were transferred to <strong>the</strong> intensive<br />
care unit (ICU) after surgery, mainly due to older age and comorbid<br />
diseases. The mean time in <strong>the</strong> ICU was 2.7 days (range: 1 – 5<br />
days).<br />
Postoperative complications were seen in 14 (7.5%) patients and<br />
included wound infection (8), pneumonia (3) and pancreatitis after<br />
surgery (3). Mortality occurred in 3 (1.6%) female patients, who<br />
were all over 50 years <strong>of</strong> age, as a result <strong>of</strong> sepsis (2) and myocardial<br />
infarction (1).<br />
Patients were followed at two weeks, one, three, and six months,<br />
and one year after surgery. Follow-up evaluations included physical<br />
examination, laboratory tests, and US. There were no cases <strong>of</strong>
ecurrent choledocholithiasis or any long-term complications.<br />
Discussion<br />
The management <strong>of</strong> choledocholithiasis has always been challenging.<br />
Nowadays, ERCP has essentially replaced open surgery<br />
for safe and effective CBD stone extraction. Open CBD exploration<br />
is an important surgical procedure when ERCP fails and expertise<br />
for laparoscopic CBD exploration is not available.<br />
The optimal method for performing open CBD exploration is<br />
unclear. 11 The routine use <strong>of</strong> IOC during laparoscopic cholecystectomy<br />
remains controversial. 12 Stuart et al. have performed IOC<br />
in 348 patients, <strong>of</strong> which it was abnormal in 17 (5%) cases. However,<br />
documented retained stones that existed in 5 patients were<br />
removed by CBD exploration or ERCP in that study. 13 Mir et al.<br />
did not perform IOC, and reported reductions in costs and hospital<br />
stay. 14 We did not perform IOC in order to reduce <strong>the</strong> surgical time.<br />
<strong>In</strong> our study, <strong>the</strong>re were cases <strong>of</strong> 4 retained stones in patients with<br />
T-tube insertion that were successfully extracted by ERCP. Generally,<br />
ERCP is more feasible in this subgroup since postoperative<br />
T-tube cholangiography shows <strong>the</strong> anatomy <strong>of</strong> <strong>the</strong> biliary tree and<br />
large or impacted stones that have been extracted during surgery.<br />
Figure 1- Algorithmic approach at Shariati Hospital for choledocholithiasis<br />
Treatment <strong>of</strong> Choledocholithiasis<br />
The rate <strong>of</strong> retained CBD stones in our study was not greater than<br />
o<strong>the</strong>r studies. For this reason, we have proposed that routine IOC is<br />
not necessary after surgical CBD exploration and clearance.<br />
<strong>In</strong> our center, <strong>the</strong> appropriate surgical method was chosen based<br />
on <strong>the</strong> patient’s condition. <strong>In</strong> patients with sepsis due to cholangitis<br />
and accompanying diseases, it was necessary to shorten <strong>the</strong> time<br />
<strong>of</strong> surgery. <strong>In</strong> addition, biliary-enteric anastomosis increased <strong>the</strong><br />
risk <strong>of</strong> complications. <strong>In</strong> such cases, <strong>the</strong> T-tube was inserted following<br />
CBD exploration. <strong>In</strong> cases with CBD diameters less than<br />
12 mm, <strong>the</strong> T-tube was used because <strong>of</strong> <strong>the</strong> high risk for anastomotic<br />
stricture 15 and subsequent complications. Most authors have<br />
preferred insertion <strong>of</strong> T-tube for CBD drainage, but some centers<br />
have utilized transcystic tubes (C-tube) or antegrade stenting with<br />
choledochorrhaphy for CBD drainage. 16 <strong>In</strong> patients with residual<br />
distal stone, ductal imaging in <strong>the</strong> postoperative period and provision<br />
<strong>of</strong> an access route for removal <strong>of</strong> residual CBD stones has<br />
been performed. 17<br />
The most commonly used choledochoenterostomy is side-toside<br />
choledochoduodenostomy, usually in <strong>the</strong> setting <strong>of</strong> a dilated<br />
CBD. 18 <strong>In</strong> cases where duodenal anastomosis was impossible, choledochojejunostomy<br />
was performed.<br />
Currently, many centers use laparoscopy for CBD surgeries. Ex-<br />
Archives <strong>of</strong> Iranian Medicine, Volume 15, Number 5, May 2012 277
pert surgical teams have reported a CBD clearance rate <strong>of</strong> about<br />
97%. 19 The morbidity rate has been reported to be 9.5% and retained<br />
stone rate <strong>of</strong> 2.7% for exploratory laparoscopic CBD. 20<br />
Never<strong>the</strong>less, in comparison to open surgery, laparoscopic surgery<br />
is more time consuming, 21 yet has shorter postoperative hospitalization.<br />
Open surgery is still straightforward for management <strong>of</strong><br />
choledocholithiasis and has a higher stone clearance rate.<br />
Conclusion<br />
Choledocholithiasis remains a challenging problem for clinicians.<br />
Currently, ERCP is used mainly for extraction <strong>of</strong> CBD stones, but<br />
surgery is <strong>the</strong> method <strong>of</strong> choice when ERCP fails. Performing<br />
an IOC assists in <strong>the</strong> detection <strong>of</strong> CBD stones but routine use <strong>of</strong><br />
IOC remains controversial. Although ERCP and <strong>the</strong>n laparoscopic<br />
CBD exploration are selective methods in most centers, open CBD<br />
exploration is <strong>the</strong> most effective method. Selection <strong>of</strong> treatment<br />
depends on physicians’ experience and available resources.<br />
References<br />
1. Schirmer BD, Witers KL, Edlich RF. Choledocholithiasis and cholecystitis.<br />
J Long Term Eff Med Implants. 2005; 15: 329 – 338.<br />
2. Riciarel R, Islam S, Canete JJ, Avcand PL, Stoker ME. Effectiveness<br />
and long term results <strong>of</strong> laparoscopic common bile duct exploration.<br />
Surg Endoscopy. 2003; 17: 19 – 22.<br />
3. Rosseland AR, Glomsaker TB. Asymptomatic common bile duct<br />
stones. Eur J Gastrentrol Hepatol. 2000; 12: 1171 – 1173.<br />
4. Freitas M, Bell R, Duffy A. Choledocholithiasis: Evolving standards<br />
for diagnosis and managements. World J <strong>of</strong> Gastroentrology. 2006; 12:<br />
3162 – 3167.<br />
5. Schwarz J, Simsa J, Pazdirek F. Our experience with preoperative choledochoscopy.<br />
Rozhl Chir. 2007; 86(4): 180 – 183.<br />
6. Clayton ESJ, Connor S, Alexakis N, Leandros E. Meta analysis <strong>of</strong> endoscopy<br />
and surgery versus surgery alone for common bile duct stones<br />
with <strong>the</strong> gallbladder in situ. Br J Surg. 2006; 93: 1185 – 1191.<br />
7. Martin DJ, Vernon DR, Toouli J. Surgical versus endoscopic treat-<br />
278 Archives <strong>of</strong> Iranian Medicine, Volume 15, Number 5, May 2012<br />
A. Shojaiefard, M. Esmaeilzadeh, Z. Khorgami, et al.<br />
ment <strong>of</strong> bile duct stones (Review). Cochrane Database Syst Rev. 2006;<br />
19(2): CD003327.<br />
8. Caddy GR, Tham TC. Symptoms, diagnosis and endoscopic management<br />
<strong>of</strong> common bile duct stones. Best Practice & Research Clinical<br />
Gastroenterology. 2006; 20: 1085 – 1101.<br />
9. Evans AJ, Branch MS. The recalcitrant bile duct stone. Techniques in<br />
Gastrointestinal Endoscopy. 2007; 9: 104 – 113.<br />
10. Ahmed I, Pradhan C, Beckingham IJ, Brooks AJ, Rowlands BJ, Lobo<br />
DN. Is a T-tube necessary after common bile duct exploration? World J<br />
Surg. 2008; DOI 10.1007/s00268-008-9475-2<br />
11. Gurusamy KS, Samrai K. Primary closure versus T-tube drainage after<br />
open common bile duct exploration. Cochrane Database Syst Rev.<br />
2007; 1: CD005640.<br />
12. Ciulla A, Aqnello G, Tomasello G, Castronovo G, Maiorana AM,<br />
Genova G. The intraoperative cholangiography during videolaparoscopic<br />
cholecystectomy. What is its role? Results <strong>of</strong> a non randomized<br />
study. Ann Ital Chir. 2007; 78(2): 85 – 89.<br />
13. Stuart AS, Simpson T, Alvord L, Williams M. Routine intraoperative<br />
laparoscopic cholangiography. Am J Surgery. 1998; 176: 632 – 637.<br />
14. Mir IS, Mohsin M, Kirmani O, Majid T, Wani K, Hassan MU, et al. Is<br />
intraoperative cholangiography necessary during laparoscopic cholecystectomy?<br />
A multicentre rural experience from a developing world<br />
country. World J Gastroenterol. 2007; 13(33): 4493 – 4497.<br />
15. Ramirez P, Parrilla P, Bueno FS, Abad JMP, Muelas MS, Candel MF, et<br />
al. Choledochoduodenostomy and sphincterotomy in <strong>the</strong> treatment <strong>of</strong><br />
choledocholithiasis. Br J Surg. 1994; 81: 121 – 123.<br />
16. Isla AM, Griniatsos J, Karvounis E, Arbuckle JD. Advantages <strong>of</strong> laparoscopic<br />
stented choledochorrhaphy over T-tube placement. Br J Surg.<br />
2004; 91: 862 – 866.<br />
17. Petelin JB. Laparoscopic common bile duct exploration. Surg Endosc.<br />
2003; 17: 1705 – 1715.<br />
18. Hungness ES, Soper NJ. Management <strong>of</strong> common bile duct stones. J<br />
Gastrointestinal Surgery. 2006; 10(4): 612 – 619.<br />
19. Petelin JB. Laparoscopic common bile duct exploration. Surg Endosc.<br />
2003; 17: 1705 – 1715.<br />
20. Lien HH, Huang CC, Huang CS, Shi MY, Chen DF, Wang NY, et al.<br />
Laparoscopic common bile duct exploration with T-tube choledochotomy<br />
for <strong>the</strong> management <strong>of</strong> choledocholithiasis. J Laparoendosc Adv<br />
Surg Tech A. 2005; 15(3): 298 – 302.<br />
21. Mandry AC, Bun M, Ued ML, Iovaldi ML, Capitanich P. Laparoscopic<br />
treatment <strong>of</strong> common bile duct lithiasis associated with gallbladder lithiasis.<br />
Cir Esp. 2008; 83(1): 28 – 32.
Original Article<br />
Reliability and Validity <strong>of</strong> <strong>the</strong> Modifiable Activity Questionnaire<br />
(MAQ) in an Iranian Urban Adult Population<br />
Amir Abbas Momenan MD MPH 1 , Maryam Delshad BS 2 , Narges Sarbazi MD 1 , Nasrollah Rezaei_Ghaleh MD 2,3 , Arash Ghanbarian<br />
MD• 1 , FereidounAzizi MD 2<br />
Abstract<br />
Background: The purpose <strong>of</strong> this study is to evaluate <strong>the</strong> validity and reliability <strong>of</strong> a Persian translation <strong>of</strong> <strong>the</strong> Modifiable Activity Questionnaire<br />
(MAQ) in a sample <strong>of</strong> adults from Tehran, Iran.<br />
Methods: There were 48 adults (53.1% males) enrolled to test <strong>the</strong> physical activity questionnaire. A sub-sample included 33 participants<br />
(45.5% males) who assessed <strong>the</strong> reliability <strong>of</strong> <strong>the</strong> physical activity questionnaire.The validity was tested in 25 individuals (48.0% males). The<br />
reliability <strong>of</strong> two MAQs was calculated by intraclass correlation coefficients. The validation study was evaluated with <strong>the</strong> Spearman correlation<br />
coefficients to compare data between <strong>the</strong> means <strong>of</strong> 2 MAQs and <strong>the</strong> means <strong>of</strong> 4 physical activity records.<br />
Results: <strong>In</strong>traclass correlation coefficients between 2 MAQs for <strong>the</strong> previous year's leisure time was 0.94; for occupational, it was 0.98;and<br />
for total (leisure and occupational combined) physical activity, it was 0.97. The Spearman correlation coefficients between <strong>the</strong> means <strong>of</strong> <strong>the</strong> 2<br />
MAQs and means <strong>of</strong> <strong>the</strong> 4 physical activity records was 0.39 (P = 0.05) for leisure time, 0.36 (P = 0.07) for occupational, and 0.47 (P = 0.01)<br />
for total (leisure and occupational combined) physical activities.<br />
Conclusions: High reliability and relatively moderate validity were found for <strong>the</strong> Persian translated MAQ in adults from Tehran. However,<br />
fur<strong>the</strong>r studies with larger sample sizes are suggested to more precisely assess <strong>the</strong> validity <strong>of</strong> <strong>the</strong> MAQ.<br />
Keywords: Persian, physical activity, questionnaire, reliability, validity<br />
Cite this article as: Momenan AA, Delshad M, Sarbazi N, Rezaei_Ghaleh N, Arash Ghanbarian A, Azizi F. Reliability and Validity <strong>of</strong> <strong>the</strong> Modifiable Activity Questionnaire<br />
(MAQ) in an Iranian Urban Adult Population. Arch Iran Med. 2012; 15(5): 279 – 282.<br />
<strong>In</strong>troduction<br />
Recent interventions have been designed primarily to increase<br />
<strong>the</strong> level <strong>of</strong> physical activity in adults because <strong>the</strong> role <strong>of</strong><br />
physical activity behavior has been confirmed as an important<br />
factor for health. 1 <strong>In</strong> large epidemiological studies, selecting<br />
<strong>the</strong> proper assessment tool is a challenging task for researchers 2<br />
and <strong>the</strong>re are several different techniques used to assess physical<br />
activity, such as questionnaires, diaries, 7-day recall, movement<br />
sensors and doubly labeled water. 3 The gold standard method is <strong>the</strong><br />
doubly labeled water that measure total energy expenditure, but it<br />
is not suitable for large population studies because that is complicated<br />
and expensive. 4 For practical reason and in <strong>the</strong> absence <strong>of</strong><br />
inexpensive, readily available, relatively noninvasive, valid and<br />
reliable technology for measuring physical activity in large numbers<br />
<strong>of</strong> free-living humans, most epidemiological studies rely on<br />
questionnaires to assess physical activity. 4,5 Questionnaires are<br />
both comprehensive and easy to use in longitudinal studies, <strong>the</strong>y<br />
are generally well accepted by individuals and easy to administer<br />
to a large number <strong>of</strong> study participants at a low cost so it is <strong>the</strong> most<br />
Authors’ Affiliations: 1 Prevention <strong>of</strong> Metabolic Disorders Research Center, Research<br />
<strong>In</strong>stitute for Endocrine Sciences, Shahid Beheshti University <strong>of</strong> Medical<br />
Sciences, Tehran, Iran, 2 Endocrine Research Center, Research <strong>In</strong>stitute for Endocrine<br />
Sciences, Shahid Beheshti University <strong>of</strong> Medical Sciences, Tehran, Iran,<br />
3 Max Plank <strong>In</strong>stitute for Biophysical Chemistry, Research Group Protein Structure<br />
Determination using NMR,Gottingen, Germany.<br />
•Corresponding author and reprints: Arash Ghanbarian MD, Prevention <strong>of</strong><br />
Metabolic Disorders Research Center, Research <strong>In</strong>stitute for Endocrine Sciences,<br />
Shahid Beheshti University <strong>of</strong> Medical Sciences, Parvaneh St., Yaman St., Chamran<br />
Exp., Tehran, Iran. E-mail: ghanbarian@endocrine.ac.ir<br />
Accepted for publication: 13 July 2011<br />
Reliability and Validity <strong>of</strong> <strong>the</strong> Modifiable Activity Questionnaire<br />
widely used method to assess usual physical activity patterns in<br />
population studies. 6<br />
Physical activity includes multiple social domains (household,<br />
occupational, transportation related, leisure time), and recent researches<br />
have augmented <strong>the</strong> importance <strong>of</strong> assessing activities<br />
encountered in daily life. 7 The health risk associated with physical<br />
activity differs according to <strong>the</strong> different dimensions such as type<br />
<strong>of</strong> activity, duration and intensity. So, it is important that physical<br />
activity questionnaires assessing pr<strong>of</strong>essional, domestic and<br />
leisure time activity, differentiate <strong>the</strong> intensity <strong>of</strong> activity and addressing<br />
<strong>the</strong> usual individual energy expenditure. 4 The Modifiable<br />
Activity Questionnaire (MAQ) assesses current (past year and past<br />
week) physical activity during occupation and leisure time, as well<br />
as extreme levels <strong>of</strong> inactivity due to disability. 6 This questionnaire<br />
was designed for easy modification to maximize <strong>the</strong> ability to assess<br />
physical activity in a variety <strong>of</strong> populations. 6 Because physical<br />
activity patterns and accuracy <strong>of</strong> self reports may differ across<br />
cultural/ethnic backgrounds or gender, it is necessary to use reliable<br />
and validated <strong>the</strong> instrument in each study population. 8 Few<br />
questionnaires have been tested on <strong>the</strong> Iranian urban adult population<br />
for evaluating physical activity. This paper describes <strong>the</strong> study<br />
<strong>of</strong> <strong>the</strong> validity and reliability <strong>of</strong> <strong>the</strong> Persian translated MAQ in a<br />
sample population <strong>of</strong> Tehranian adults.<br />
Methods<br />
Study population<br />
The Tehran Lipid and Glucose Study (TLGS) were designed in<br />
order to investigate <strong>the</strong> prevalence <strong>of</strong> non-communicable disorders<br />
Archives <strong>of</strong> Iranian Medicine, Volume 15, Number 5, May 2012 279
and <strong>the</strong>ir risk factors in a sample <strong>of</strong> Iranian population. The participants<br />
<strong>of</strong> <strong>the</strong> present study were selected from <strong>the</strong> framework <strong>of</strong><br />
<strong>the</strong> TLGS, a prospective study among urban population in district<br />
No. 13 <strong>of</strong> Tehran, Iran. 9 Based on <strong>the</strong> least sample size needed for<br />
validity 10 and an attrition rate <strong>of</strong> 30%, we invited 40 males and 40<br />
females, aged 19 years and over with Stratified Random Sampling.<br />
According to <strong>the</strong> following formula for reliability sample size,<br />
considering α = 0.05 and β = 0.1, <strong>the</strong> above mentioned sample size<br />
was satisfactory for reliability test, too.<br />
Forty eight adults (53.1% were males) accepted <strong>the</strong> invitation<br />
to fill <strong>the</strong> physical activity questionnaire in 2002 (response rate,<br />
60%). For validity, we excluded those who did not complete at<br />
least three physical activity records. So, <strong>of</strong> a total <strong>of</strong> 48 subjects,<br />
<strong>the</strong> validity <strong>of</strong> <strong>the</strong> physical activity questionnaire was assessed in<br />
25 individuals (48.0 % were males). The reliability was assessed<br />
in those same subjects who accepted <strong>the</strong> invitation. From those, 33<br />
participants (45.5% were males) were completed two MAQs and<br />
included for testing <strong>the</strong> reliability.<br />
The research ethical committee <strong>of</strong> Research <strong>In</strong>stitute for Endocrine<br />
Sciences <strong>of</strong> <strong>the</strong> Shahid Beheshti University <strong>of</strong> Medical Sciences<br />
approved this study protocol and an informed written consent<br />
was obtained from each participant.<br />
Measurements<br />
The modifiable activity questionnaire<br />
The original version <strong>of</strong> <strong>the</strong> MAQ 11 was translated into Persian<br />
and <strong>the</strong>n back-translated into <strong>the</strong> English. Based on Iranian culture,<br />
minor adaptations to fit in <strong>the</strong> current context in terms <strong>of</strong> usual<br />
leisure time physical activity performed by Iranian people were<br />
made. All <strong>the</strong> modifications, as well as translations, were approved<br />
by original MAQ author through email communication. Data were<br />
collected by <strong>the</strong> participants, assisted by trained interviewers when<br />
needed. Participants were asked to report <strong>the</strong> activities that <strong>the</strong>y<br />
had participated at least 10 times during <strong>the</strong> past 12 months in <strong>the</strong>ir<br />
leisure times and <strong>the</strong>n identified <strong>the</strong> frequency and duration for<br />
each leisure time physical activities. Total number <strong>of</strong> minutes per<br />
year, calculated for every physical activity were summed and <strong>the</strong>n<br />
divided by 60 and 52 to estimate <strong>the</strong> hours per week <strong>of</strong> total leisure<br />
time physical activity. The calculation <strong>of</strong> MET-h/wk is summarized<br />
as below:<br />
MET-h/wk= (MET × months per year × time per month × minute<br />
per time) / (60×52)<br />
MET-h/wk <strong>of</strong> leisure time activity was calculated by multiplying<br />
<strong>the</strong> number <strong>of</strong> hours per week <strong>of</strong> each leisure time activity to<br />
metabolic equivalent (MET). One MET is set at 3.5 ml <strong>of</strong> oxygen<br />
consumed per kilogram body mass per minute (1kcal/kg/h)<br />
and represents <strong>the</strong> resting metabolic rate. The numbers <strong>of</strong> METs<br />
corresponding to each activity were calculated using <strong>the</strong> average<br />
metabolic cost for each activity. 12<br />
According to <strong>the</strong> questionnaire, individuals had to identify <strong>the</strong><br />
number <strong>of</strong> month and hours participated in physical activity at<br />
work (standing, house work, work activities more intense than<br />
standing) over <strong>the</strong> past year. The assessment <strong>of</strong> occupational ac-<br />
280 Archives <strong>of</strong> Iranian Medicine, Volume 15, Number 5, May 2012<br />
tivity was based on using <strong>the</strong> number <strong>of</strong> hours per week <strong>of</strong> light,<br />
moderate and hard intensity activity, summed to express hours per<br />
week <strong>of</strong> occupational activity over <strong>the</strong> past year. Final occupational<br />
(MET-h/wk) activity was calculated by multiplying <strong>the</strong> number<br />
<strong>of</strong> hours per week <strong>of</strong> each three categories <strong>of</strong> occupational activity<br />
to MET values. 12 Total physical activities was expressed in hours<br />
<strong>of</strong> activity per week or MET-h/wk by adding leisure time physical<br />
activity to occupational activity.<br />
Reliability<br />
Participants completed <strong>the</strong> MAQ twice, with an interval <strong>of</strong> four<br />
weeks to evaluate <strong>the</strong> reliability. The standard time frame for testretest<br />
studies is one to two weeks. But, a four-week interval was<br />
chosen because <strong>of</strong> <strong>the</strong> practical issues. The subjects were a part <strong>of</strong><br />
a large scale community-based study (<strong>the</strong> TLGS) and <strong>the</strong>re were<br />
difficulties in recruiting <strong>the</strong>m for shorter intervals.<br />
Validity<br />
All participants were asked to complete a weekly record form <strong>of</strong><br />
physical activity and record all <strong>the</strong> activities in one typical week in<br />
every season, preferably in <strong>the</strong> middle <strong>of</strong> each season. They were<br />
trained how to record <strong>the</strong> activities. For convenience, <strong>the</strong> whole<br />
24-hours were divided into 3 intervals in our questionnaire; 8 – 14,<br />
14 – 22 and 22 to 8 am <strong>of</strong> next day. They were asked to record any<br />
activities during each interval, including leisure time and occupational<br />
activities.The physical activity record questionnaires completed<br />
in <strong>the</strong> middle <strong>of</strong> each season and were compared with mean<br />
<strong>of</strong> two MAQs to evaluate <strong>the</strong> convergent validity <strong>of</strong> <strong>the</strong> MAQ.<br />
Statistical analysis<br />
Using <strong>the</strong> P-P plot test, <strong>the</strong> distribution <strong>of</strong> mean <strong>of</strong> MET-h/wk<br />
wasn’t normal, so we used non-parametric tests. Data from both<br />
MAQs and from <strong>the</strong> four physical activity records were reported<br />
as mean (± SD) values for age, weight, height, BMI (Body Mass<br />
<strong>In</strong>dex), MET-h/wk. Mann-Whitney test was used to compare<br />
<strong>the</strong> means <strong>of</strong> two MAQs. Since <strong>the</strong>re was no significant difference<br />
between two MAQs, we used <strong>the</strong> mean <strong>of</strong> two MAQs to be<br />
compared with four physical activity records. <strong>In</strong>traclass Correlation<br />
Coefficients were used to calculate <strong>the</strong> reliability <strong>of</strong> <strong>the</strong> two<br />
MAQs. <strong>In</strong>traclass Correlation Coefficients estimates ≥ 0.7 were<br />
considered asacceptable reliability. 13 To evaluate <strong>the</strong> convergent<br />
validity, Spearman Correlation Coefficients were used to compare<br />
means <strong>of</strong> two MAQs and means <strong>of</strong> four physical activity records.<br />
Results<br />
A.A Momenan, M. Delshad, N. Sarbazi, et al.<br />
The mean (± SD) values <strong>of</strong> age, weight, height, BMI and <strong>the</strong> percentage<br />
<strong>of</strong> sex and education levels for participants are presented<br />
in Table 1. The mean age <strong>of</strong> <strong>the</strong> participants was 39.5 ± 14.7 yr<br />
and 45.5% were men. Average BMI was 25.9 ± 4.7 kg/m 2 and <strong>the</strong><br />
prevalence <strong>of</strong> normal weight, overweight and obesity were 35.5%,<br />
45.2% and 19.4%, respectively. All subjects were literate. Table 2<br />
shows <strong>the</strong> estimations <strong>of</strong> MET-h/wk measured by physical activity<br />
record questionnaires and two MAQs. Based on two MAQs,<br />
<strong>the</strong> mean <strong>of</strong> MET-h/wk for leisure time, occupational and total<br />
(leisure and occupational combined) physical activities were 23.4,<br />
52.3 and 75.7, respectively. Besides, <strong>the</strong> mean <strong>of</strong> total MET-h/wk<br />
was 86.3 MET-h/wk according to <strong>the</strong> data derived from physical<br />
activity records <strong>of</strong> four seasons. For past year leisure time, occupational<br />
and total (leisure and occupational combined) physical ac-
Measurement mean SD Minimum Maximum<br />
Age (year) 39.5 14.7 19.0 66.0<br />
Sex (men) * 45.5% - - -<br />
Weight (kg) 72.1 14.8 43.0 98.0<br />
Height (cm) 166.6 9.9 150 185<br />
BMI (kg/m2 ) 25.9 4.7 18.3 35.1<br />
Education (academic) † 9.1% - - -<br />
*= Sex presented as percentage; † = The percentage <strong>of</strong> individuals who were graduated from university.<br />
tivity, <strong>In</strong>traclass Correlation Coefficients were 0.94, 0.98 and 0.97<br />
respectively. Spearman Correlation Coefficients between means<br />
<strong>of</strong> two MAQs and means <strong>of</strong> four physical activity recordsare presented<br />
in Table 2. The Spearman Correlation Coefficient was 0.39<br />
(p = 0.05), 0.36 (p = 0.07) and 0.47 (p = 0.01)for leisure time, occupational<br />
and total (leisure and occupational combined) physical<br />
activities, respectively.<br />
Discussion<br />
This is <strong>the</strong> first study to assess test-retest reliability and validity <strong>of</strong><br />
<strong>the</strong> Persian translated MAQ in samples <strong>of</strong> males and females from<br />
an Iranian urban adults. We used four physical activity records to<br />
compare MET-h/wk from <strong>the</strong> MAQs and physical activity records.<br />
The reliability assessed by <strong>In</strong>traclass Correlation Coefficient between<br />
<strong>the</strong> results <strong>of</strong> two MAQs with a one-month interval. Our<br />
results demonstrated excellent reliability and relatively moderate<br />
validity <strong>of</strong> <strong>the</strong> MAQ among an Iranian adult sample population.<br />
The MAQ, developed by Kriska, assesses current (past year and<br />
past week) physical activity level during both leisure and occupational<br />
time. 14–16 and it is a retrospective quantitative questionnaire<br />
that represents <strong>the</strong> most comprehensive form <strong>of</strong> physical activity<br />
recall survey. This questionnaire designed for easy modification<br />
to maximize <strong>the</strong> ability to assess physical activity in a variety <strong>of</strong><br />
populations and it`s culture free. 16 Reliability and validity <strong>of</strong> <strong>the</strong><br />
MAQ were previously reported in some o<strong>the</strong>r populations. 16,17<br />
Measurement <strong>of</strong> total energy expenditure by <strong>the</strong> doubly labeled<br />
water method demonstrated validity <strong>of</strong> <strong>the</strong> MAQ. 17 <strong>In</strong> Kriska et<br />
al. study, spearman correlation coefficients found 0.92 (ages<br />
21 – 36) and 0.88 (ages 37 – 59) for past year leisure time and<br />
for occupational and total (leisure and occupational combined)<br />
physical activity were 0.88 and 0.89 respectively. 14 Results from<br />
Schulz study showed that Spearman Correlation Coefficients for<br />
past-year leisure time (0.56) and total (0.74) physical activity<br />
were significantly related to total energy expenditure assessed by<br />
doubly-labeled water. 17 Evaluation <strong>of</strong> physical activity in middleaged<br />
women showed that both <strong>the</strong> leisure physical activity during<br />
<strong>the</strong> past month and <strong>the</strong> past week demonstrate good stability and<br />
convergent validity. 2 <strong>In</strong> our study, validity results for leisure time<br />
Table 1. Main characteristics <strong>of</strong> study population<br />
Reliability and Validity <strong>of</strong> <strong>the</strong> Modifiable Activity Questionnaire<br />
Table 2. Physical activity (MET-h/wk) measures obtained with <strong>the</strong> mean <strong>of</strong> two Modifiable Activity Questionnaires<br />
and <strong>the</strong> mean <strong>of</strong> four physical activity records<br />
Measurement<br />
Two MAQs<br />
(Mean ±S.D) *<br />
Four physical activity records<br />
(Mean ±S.D)<br />
ρ † P-value †<br />
Leisure time 23.41 ± 26.05 12.86 ± 13.81 0.39 0.050<br />
Occupational 52.32 ± 17.56 53.97 ± 52.58 0.36 0.070<br />
Total 75.73 ± 71.58 86.37 ± 63.55 0.47 0.017<br />
* = Standard error; † = ρ and P-value calculated by spearman correlation coefficients<br />
and total (leisure and occupational combined) physical activities<br />
presented relatively moderate correlation.<br />
Gabriel et al. based on MAQ, reported that leisure physical activity<br />
during <strong>the</strong> past month and <strong>the</strong> past week was reliable and<br />
associated with physical activity and physical fitness. 2 Our results<br />
suggested a high <strong>In</strong>traclass Correlation Coefficients between two<br />
MAQs for leisure time (0.94), occupational (0.98) and total (leisure<br />
and occupational combined) (0.97) physical activity.<br />
As a conclusion and based on our results, <strong>the</strong> Farsi translated<br />
MAQ has a high reliability. However, <strong>the</strong> validity <strong>of</strong> <strong>the</strong> Persian<br />
version is in doubt because <strong>of</strong> our study limitations. Using four<br />
physical activity records may result in recall bias or have language<br />
and educational barriers and that cannot be gold standard to evaluate<br />
<strong>the</strong> exact validity <strong>of</strong> <strong>the</strong> MAQ. Objective activity monitors<br />
such as accelerometers, Vo 2 max, and <strong>the</strong> doubly labeled water<br />
technique have numerous advantages and provides a more precise<br />
way to validate <strong>the</strong> subjective method that estimate <strong>of</strong> energy<br />
expenditure. Since those methods are complicated and expensive<br />
and are not simple to do, we used physical activity record to estimate<br />
participants’ physical activity levels when those objective<br />
methods not provided. Fur<strong>the</strong>rmore, primarily and besides physical<br />
activity records, we had considered Vo 2 max as a gold standard<br />
and objective methods to evaluate <strong>the</strong> exact validity <strong>of</strong> <strong>the</strong> MAQ<br />
in our study. However, performing Vo 2 max measurement was not<br />
feasible in our study due to <strong>the</strong> lack <strong>of</strong> resources. On <strong>the</strong> o<strong>the</strong>r hand<br />
some previous epidemiological studies that used questionnaires<br />
have not been evaluated physical activity levels against objective<br />
measures. 18<br />
The small sample size <strong>of</strong> <strong>the</strong> present study and <strong>the</strong> moderately low<br />
participation rate are o<strong>the</strong>r limitations <strong>of</strong> this study. Moreover, we<br />
didn’t have any information about non responded to be reported.<br />
On <strong>the</strong> o<strong>the</strong>r hand, as it is shown, our data were from just young,<br />
over weight and mainly not having academic education subjects<br />
(Table 1). So, data from older subjects or people with normal<br />
weight or obese or even academic educated ones may show different<br />
results.<br />
<strong>In</strong> conclusion and considering that <strong>the</strong> original MAQ has an<br />
ability to assess <strong>the</strong> P.A. levels in a variety <strong>of</strong> different populations.<br />
The present study shows that <strong>the</strong> Persian translated version is<br />
Archives <strong>of</strong> Iranian Medicine, Volume 15, Number 5, May 2012 281
eliable but can be used in <strong>the</strong> TLGS Tehranian population with<br />
caution because <strong>of</strong> relatively moderate convergent validity. It can<br />
be answered quickly and requires little cooperation by <strong>the</strong> patient.<br />
However, it is suggested to perform fur<strong>the</strong>r studies with large<br />
sample size and better gold standard to assess <strong>the</strong> validity <strong>of</strong> this<br />
tool more precisely, if it is going to be used with no doubt and in<br />
o<strong>the</strong>r Iranian population.<br />
References<br />
1. Stewart AL, Mills KM, King AC, Haskell WL, Gillis D, Ritter PL.<br />
CHAMPS physical activity questionnaire for older adults: outcomes<br />
for interventions. Med Sci Sports Exerc. 2001; 33(7): 1126 – 1141.<br />
2. Pettee Gabriel K, McClain JJ, Lee CD, Swan PD, Alvar BA, Mitros<br />
MR, et al. Evaluation <strong>of</strong> physical activity measures used in middleaged<br />
women. Med Sci Sports Exerc. Public Health Nutr. 2009; 1403<br />
– 1412.<br />
3. Martínez-González MA, López-Fontana C, Varo JJ, Sánchez-Villegas<br />
A, Martinez JA. Validation <strong>of</strong> <strong>the</strong> Spanish version <strong>of</strong> <strong>the</strong> physical activity<br />
questionnaire used in <strong>the</strong> Nurses’ Health Study and <strong>the</strong> Health<br />
Pr<strong>of</strong>essionals’ Follow-up Study. Public Health Nutr. 2005; 8(7): 920<br />
– 927.<br />
4. Camões M, Severo M, Santos AC, Barros H, Lopes C. Testing an adaptation<br />
<strong>of</strong> <strong>the</strong> EPIC physical activity questionnaire in Portuguese adults:<br />
a validation study that assesses <strong>the</strong> seasonal bias <strong>of</strong> self-report. Ann<br />
Hum Biol. 2010; 37(2): 185 – 197.<br />
5. Neilson HK, Robson PJ, Friedenreich CM, Csizmadi I. Estimating<br />
activity energy expenditure: how valid are physical activity questionnaires?<br />
Am J Clin Nutr. 2008; 87(2): 279 – 291.<br />
6. Vuillemin A, Oppert JM, Guillemin F, Essermeant L, Fontvieille AM,<br />
Galan P, et al. Self-administered questionnaire compared with interview<br />
to assess past-year physical activity. Med Sci Sports Exerc. 2000;<br />
32(6): 1119 – 1124.<br />
7. Mat<strong>the</strong>ws CE, Shu XO, Yang G, Jin F, Ainsworth BE, Liu D, et al.<br />
282 Archives <strong>of</strong> Iranian Medicine, Volume 15, Number 5, May 2012<br />
A.A Momenan, M. Delshad, N. Sarbazi, et al.<br />
Reproducibility and validity <strong>of</strong> <strong>the</strong> Shanghai Women’s Health Study<br />
physical activity questionnaire. Am J Epidemiol. 2003; 158(11): 1114<br />
– 1122.<br />
8. Jurj AL, Wen W, Xiang YB, Mat<strong>the</strong>ws CE, Liu D, Zheng W, et al. Reproducibility<br />
and validity <strong>of</strong> <strong>the</strong> Shanghai Men’s Health Study physical<br />
activity questionnaire. Am J Epidemiol. 2007; 165(10): 1124 – 1133.<br />
9. Azizi F, Ghanbarian A, Momenan AA, Hadaegh F, Mirmiran P, Hedayati<br />
M, et al; Tehran Lipid and Glucose Study Group. Prevention<br />
<strong>of</strong> non-communicable disease in a population in nutrition transition:<br />
Tehran Lipid and Glucose Study phase II. Trials. 2009; 10: 5 – 19.<br />
10. FleissJL. The design and analysis clinical experiments. The simple replication<br />
reliability study. 1 st ed. Canada: wilely 1999; 8 – 13.<br />
11. Kriska AM, Edelstein SL, Hamman RF, Otto A, Bray GA, Mayer-Davis<br />
EJ, et al. Physical activity in individuals at risk for diabetes: Diabetes<br />
Prevention Program. Med Sci Sports Exerc. 2006; 38(5): 826 – 832.<br />
12. Montoye HJ. Energy Costs <strong>of</strong> Exercise and Sport. <strong>In</strong>: Maughan j, editor.<br />
Nutrition in sport.7 th ed. london: Blackwell Science 2000; 53.<br />
13. Hinton P.R. Statistics Explained, 2 nd ed. Rout ledge Press.<br />
14. Kriska AM., Knowler WC, LaPorte RE, Drash AL, Wing RR, Blair<br />
SN, et al. Development <strong>of</strong> questionnaire to examine relationship <strong>of</strong><br />
physical activity and diabetes in Pima <strong>In</strong>dians. Diabetes Care. 1990;<br />
13: 401 – 411.<br />
15. Kriska AM, Bennett PH. An epidemiologic perspective <strong>of</strong> <strong>the</strong> relationship<br />
between physical activity and NIDDM: from activity assessment<br />
to intervention. Diabetes Metab. 1992; 8: 355 – 372.<br />
16. Kriska AM, Pereira MA, FitzGerald SJ, Gregg EW, Joswiak ML, Ryan<br />
WJ, et al. Modifiable activity questionnaire. <strong>In</strong>: A collection <strong>of</strong> physical<br />
activity questionnaires for health-related research. Med. Sci. Sports<br />
Exerc. 1997; 29: S73 – S78.<br />
17. Schulz LO, Harper IT, Smith CJ, Kriska AM, Ravussin E. Energy intake<br />
and physical activity in Pima <strong>In</strong>dians: comparison with energy<br />
expenditure measured by doubly-labeled water. Obes. Res. 1994; 2:<br />
541 – 548.<br />
18. Pettee Gabriel K, McClain JJ, Schmid KK, Storti KL, Ainsworth BE.<br />
Reliability and convergent validity <strong>of</strong> <strong>the</strong> past-week Modifiable Activity<br />
Questionnaire. Public Health Nutr. 2010; 15: 1 – 8.
Original Article<br />
Efficacy <strong>of</strong> Harm Reduction Programs among Patients <strong>of</strong> a<br />
Smoking Cessation Clinic in Tehran, Iran<br />
Hooman Sharifi MD MPH 1 , Roghieh Kharaghani MSc 1 , Habib Emami PhD• 1 , Zahra Hessami MD MPH 1 , Mohammad Reza Masjedi MD 2<br />
Abstract<br />
Background: Recently, harm reduction programs have been used to reduce mortality and morbidity among smokers. The main objective<br />
<strong>of</strong> this study was to evaluate <strong>the</strong> effect <strong>of</strong> harm reduction programs on <strong>the</strong> smoking patterns <strong>of</strong> subjects who presented to a smoking cessation<br />
clinic in Tehran, Iran.<br />
Methods: This observational study was conducted between September 2008 – September 2009 on 132 patients who were unable to quit<br />
smoking. Patients were enrolled by <strong>the</strong> first come first service method. During <strong>the</strong> study period, subjects were assigned to ei<strong>the</strong>r group or<br />
individual visits every 15 days in conjunction with <strong>the</strong> use <strong>of</strong> nicotine gum. The main objective <strong>of</strong> this study was to evaluate at <strong>the</strong> third and<br />
sixth months <strong>of</strong> follow-up: <strong>the</strong> number <strong>of</strong> smoked cigarettes, level <strong>of</strong> expired carbon monoxide (CO), and numbers <strong>of</strong> nicotine gum used. Data<br />
were analyzed by <strong>the</strong> Wilcoxon rank, Fisher's exact, and Pearson's chi-square tests and SPSS version 17 s<strong>of</strong>tware.<br />
Results: A total <strong>of</strong> 87.1% <strong>of</strong> <strong>the</strong> subjects were males. We noted decreases in <strong>the</strong> number <strong>of</strong> cigarettes smoked daily and <strong>the</strong> level <strong>of</strong> expired<br />
CO, whereas <strong>the</strong> amount <strong>of</strong> nicotine gum used significantly increased during <strong>the</strong> time interval between <strong>the</strong> first session and <strong>the</strong> third and sixth<br />
month follow-up visits (p
Variables Numbers Percent<br />
Sex (male)<br />
Age:<br />
115 87.1<br />
Males (years)<br />
37.3±10.7*<br />
_<br />
Females (years)<br />
Education<br />
40.7±12.2*<br />
_<br />
Illiterate and primary<br />
10<br />
7.5<br />
Guidance and high school<br />
31<br />
23.5<br />
Diploma and higher<br />
Social class<br />
91<br />
68.8<br />
Clerical or non-manual skilled<br />
65<br />
49.2<br />
Manual skilled<br />
47<br />
35.6<br />
Unskilled or semiskilled<br />
Tenure<br />
20<br />
15.2<br />
Owner occupied<br />
69<br />
52.3<br />
Rent/o<strong>the</strong>r<br />
Marital status<br />
63<br />
47.7<br />
Married<br />
85<br />
64.4<br />
Single<br />
35<br />
26.5<br />
Widowed, divorced or o<strong>the</strong>r<br />
12<br />
9.1<br />
* = Mean±standard deviation<br />
25<br />
20<br />
15<br />
10<br />
5<br />
0<br />
25<br />
20<br />
15<br />
10<br />
5<br />
22.19 22.19<br />
20.6<br />
able to quit completely. 13,14<br />
Nicotine replacement drugs contain small amounts <strong>of</strong> nicotine<br />
which is gradually released and somehow prevents cigarette craving.<br />
15 Use <strong>of</strong> <strong>the</strong>se nicotine-containing products for a long time is<br />
not harmful and it is definitely superior to smoking cigarettes. 16,17<br />
Considering <strong>the</strong> prevalence <strong>of</strong> smoking, large number <strong>of</strong> exsmokers<br />
who relapse, and limited number <strong>of</strong> smoking cessation<br />
interventions in Iran, <strong>the</strong> present study has sought to determine if<br />
prolonged smoking cessation programs in which nicotine replacement<br />
products used by current smokers helped to decrease daily<br />
cigarette consumption and exhaled carbon monoxide (CO). This<br />
study was conducted to assess <strong>the</strong> efficacy <strong>of</strong> harm reduction programs<br />
for smoking cessation clinic patients. The main objectives<br />
<strong>of</strong> this study were to evaluate: i) <strong>the</strong> number <strong>of</strong> cigarettes smoked<br />
per day, ii) exhaled CO levels, and iii) number <strong>of</strong> nicotine gums<br />
used per day.<br />
284 Archives <strong>of</strong> Iranian Medicine, Volume 15, Number 5, May 2012<br />
Table 1. Baseline socio-demographic characteristics <strong>of</strong> participants.<br />
5.5 5.5 5.59 5.59 5.46 5.46 5.63 5.63<br />
3.34<br />
0 0.03 0.03 0.34 0.34<br />
Session Session 1 Session 1 Session 2 Session 2 Session 3 Session 3 Session 4 Session 4 Session 5 3-month 5 3-month 6-month 6-month<br />
f ollow-upf<br />
ollow-up f ollow-upf<br />
ollow-up<br />
Figure 1. Mean number <strong>of</strong> cigarettes smoked and number <strong>of</strong> nicotine gums used per day from<br />
baseline to 6-month follow up. Differences were all statically significant (p < 0.001).<br />
Materials and Methods<br />
H. Sharifi, R. Kharaghani, H. Emami, et al.<br />
Number Mean Number <strong>of</strong> cigarettes <strong>of</strong> cigarettes smoked smoked per day per day<br />
Number Mean<br />
Number <strong>of</strong> nicotine <strong>of</strong> gums nicotine used gums per used day per day<br />
20.6<br />
15.57 15.5713.25 13.25<br />
12.12 12.12<br />
11.3 11.3 11.34 11.34<br />
3.34<br />
Study design<br />
This pre-post design interventional study was conducted at an<br />
inner-city smoking cessation clinic with approximately 1000 participants<br />
between September 2008 and September 2009 in Tehran,<br />
Iran.<br />
Sample selection<br />
The Tobacco Prevention and Control Research Center’s Smoking<br />
Cessation Clinic was considered as <strong>the</strong> main setting for sample<br />
selection. The inclusion criteria were: participants who had previously<br />
attended smoking cessation programs in this center, those<br />
who were unsuccessful in quitting smoking or relapsed after quitting,<br />
and those willing to participate in this study who <strong>of</strong>fered <strong>the</strong>ir
(n)<br />
Figure 2. Expired carbon monoxide (CO) levels from baseline to 6-month follow up.<br />
Differences were all statically significant on Fisher’s exact test (p < 0.001).<br />
consent. The exclusion criteria were <strong>the</strong> inability to actively participate<br />
in <strong>the</strong> study or not having enrolled in a smoking cessation<br />
program. A total <strong>of</strong> 132 patients were enrolled.<br />
Data collection<br />
A questionnaire was designed according to <strong>In</strong>ternational Union<br />
Against Tuberculosis and Lung Diseases (IUATLD) and WHOstructured<br />
questionnaires, pilot tested, and revised. The first two<br />
sections <strong>of</strong> <strong>the</strong> questionnaire were self-administered, whereas <strong>the</strong><br />
third section was completed by counselors during <strong>the</strong> smoking cessation<br />
course. The questionnaire included demographic data, history,<br />
and pattern <strong>of</strong> smoking. Before beginning <strong>the</strong> course, in order to<br />
assess nicotine use, <strong>the</strong> Fagerström Test for Nicotine Dependence<br />
(FTND) was performed.<br />
The social status <strong>of</strong> <strong>the</strong> participants was determined based on <strong>the</strong><br />
Registrar General Model <strong>of</strong> Social Classes, and participants were<br />
classified into 6 groups. 18<br />
The numbers <strong>of</strong> cigarettes smoked daily and consumed nicotine<br />
gums were recorded at every visit.<br />
There is no or little doubt about <strong>the</strong> reliability <strong>of</strong> <strong>the</strong> responses on<br />
questionnaires administered in <strong>the</strong> first visit <strong>of</strong> smoking cessation<br />
clinics, however many smokers mispronounce <strong>the</strong>ir situation during<br />
follow-up sessions. 19 <strong>In</strong> studying nicotine replacement <strong>the</strong>rapies<br />
such as nicotine gum, cotinine cannot be used as a marker <strong>of</strong><br />
cigarette abstinence, because cotinine is a metabolite <strong>of</strong> nicotine.<br />
Accordingly, cotinine’s first use for verification <strong>of</strong> self reports <strong>of</strong><br />
abstinence during treatment is limited to non-nicotine containing<br />
medications. 20,21<br />
Since <strong>the</strong> determination <strong>of</strong> breath CO levels is noninvasive, inexpensive,<br />
and yields immediate results, it is <strong>the</strong> method <strong>of</strong> choice<br />
in research and clinical practice. 22 <strong>In</strong> this study, CO level was<br />
measured using a hand-held portable CO monitor (Bedfont Micro<br />
Smokerlyser, Kent, England) that had previously been shown to<br />
be effective in validating <strong>the</strong> participants’ self-reports regarding<br />
smoking status. 23,24<br />
CO has a 3 – 6 hour half-life, which depends on <strong>the</strong> level <strong>of</strong> exercise<br />
and environmental CO. Previous studies have shown that<br />
smoking within <strong>the</strong> past 24 hours generally results in elevated<br />
breath CO levels which are above <strong>the</strong> normal physiological range.<br />
However, this could depend on both <strong>the</strong> quantity <strong>of</strong> cigarettes<br />
smoked and <strong>the</strong> last time a cigarette was smoked. 25 One study has<br />
Harm Reduction in Smoking Cessation<br />
shown a strong, statistically significant relationship between level<br />
<strong>of</strong> reported smoking during <strong>the</strong> past 24 hours and breath CO levels.<br />
22<br />
Although presumed unsuitable for epidemiological studies that<br />
ga<strong>the</strong>r information during a single visit, breath CO testing could<br />
be a valuable tool for monitoring abstinence from smoking during<br />
cessation trials that have regular follow-up intervals. 26<br />
The Smokerlyzer measures breath CO levels in parts per million<br />
(ppm) based on <strong>the</strong> conversion <strong>of</strong> CO to CO 2 over a catalytically<br />
active electrode. On breath holding, <strong>the</strong> CO in <strong>the</strong> blood forms<br />
equilibrium with CO in <strong>the</strong> alveolar air; <strong>the</strong>refore, <strong>the</strong>re is a high<br />
degree <strong>of</strong> correlation between breath CO levels and COHb concentration.<br />
This enables <strong>the</strong> Smokerlyser to accurately estimate<br />
<strong>the</strong> blood COHb concentration from <strong>the</strong> breath CO level. We have<br />
calibrated <strong>the</strong> Smokerlyzer weekly by using a mixture <strong>of</strong> 50 ppm<br />
CO in air.<br />
Procedures<br />
Patients were initially asked to participate in this study by phone<br />
contact using <strong>the</strong>ir previous records. Those who met <strong>the</strong> inclusion<br />
criteria were scheduled for <strong>the</strong>ir initial assessment visit following<br />
<strong>the</strong> first group <strong>the</strong>rapy session. All 132 participants who consented<br />
to enroll in this study were divided into 10 groups <strong>of</strong> 5 – 15 participants<br />
each. Participants were visited approximately every two<br />
weeks, on weekdays, and a smoking counselor attended each session.<br />
Participants came to <strong>the</strong> Smoking Cessation Clinic at 2, 4, 6,<br />
8 and 10-week intervals following initiation <strong>of</strong> <strong>the</strong> study to participate<br />
in group <strong>the</strong>rapy, and at 3 and 6 months for follow up assessments.<br />
<strong>In</strong> all sessions respiratory CO levels were assessed.<br />
The study protocol was approved by <strong>the</strong> Research Committee <strong>of</strong><br />
<strong>the</strong> Tobacco Prevention and Control Research Center.<br />
<strong>In</strong>tervention<br />
No new intervention was implemented following <strong>the</strong> completion<br />
<strong>of</strong> all measurements. Subjects were monitored to achieve a certain<br />
percentage <strong>of</strong> reduction in smoking rate (at least 50%). Therefore,<br />
2 mg nicotine gums were administered to all subjects, <strong>the</strong> same as<br />
in <strong>the</strong> cessation program.<br />
The treatment procedure was started in a routinely conventional<br />
cessation program and categorized in three steps: i) one session<br />
as a baseline assessment; ii) two sessions for gradual reduction<br />
Archives <strong>of</strong> Iranian Medicine, Volume 15, Number 5, May 2012 285
Variables Mean±standard deviation<br />
Age at smoking onset (years) 18.5±5.6<br />
Number <strong>of</strong> cigarettes smoked per day 22.1±10.4<br />
Expired carbon monoxide (CO) level 101 (76.5)**<br />
Number <strong>of</strong> nicotine gums used per day 0.03±0.43<br />
Pack <strong>of</strong> cigarettes smoked per year 22.3±16.9<br />
Q-MAT* score 14.9±4.1<br />
HAD† score 16.9±6.7<br />
FTND‡ score 5.9±2.8<br />
* Motivation to quit smoking; ** Number (percent); † Hospital anxiety and depression test; ‡ Fagerström Test for Nicotine Dependence;<br />
that used 2 mg nicotine gums; and iii) two maintenance sessions<br />
(steady amount <strong>of</strong> nicotine gum and cigarettes) following two<br />
maintenance sessions that aimed at fur<strong>the</strong>r reduction or cessation<br />
<strong>of</strong> smoking. During <strong>the</strong> first session (baseline assessment), subjects<br />
precisely stated <strong>the</strong> mean number <strong>of</strong> cigarettes <strong>the</strong>y smoked daily<br />
and <strong>the</strong>ir reduction amount for each day for 2 weeks, considering<br />
<strong>the</strong> counselor’s advice. Based on <strong>the</strong> recordings <strong>of</strong> <strong>the</strong> first session<br />
regarding smoking status, subjects were advised to decrease smoking<br />
over a 2-week period by 50% (reduction goal). <strong>In</strong> case <strong>of</strong> any<br />
difficulty following <strong>the</strong> schedule, <strong>the</strong> reduction pace was lessened.<br />
Upon achieving <strong>the</strong> 50% reduction goal, subjects were advised to<br />
fur<strong>the</strong>r decrease <strong>the</strong>ir consumption or quit smoking completely.<br />
Outcome measures<br />
Outcome measures in this study included <strong>the</strong> decrease in <strong>the</strong> number<br />
<strong>of</strong> cigarettes smoked per day and <strong>the</strong> amount <strong>of</strong> nicotine gums<br />
used per day. Successful reduction was defined as a self-reported<br />
reduction by 50% in <strong>the</strong> number <strong>of</strong> cigarettes smoked per day.<br />
Data analysis<br />
First, <strong>the</strong> estimated prevalence was calculated for all variables<br />
through numbers, percentages, means and standard deviations.<br />
Second, in order to determine <strong>the</strong> efficacy <strong>of</strong> <strong>the</strong> intervention, <strong>the</strong><br />
286 Archives <strong>of</strong> Iranian Medicine, Volume 15, Number 5, May 2012<br />
Table 2. Baseline smoking status, habits, and dependence.<br />
Figure 3. Percent abstinence after treatment from second session until 6-month follow up.<br />
Wilcoxon rank test was used since two outcome variables (number<br />
<strong>of</strong> cigarettes and nicotine gums used per day) did not have normal<br />
distributions as shown by <strong>the</strong> Kolmogorov-Smirnov test. Pearson’s<br />
chi-square test was used to determine <strong>the</strong> efficacy <strong>of</strong> intervention<br />
in decreasing CO levels. All data were analyzed using SPSS version<br />
17.0 s<strong>of</strong>tware. Statistical tests used were two-tailed with 5%<br />
significance level.<br />
Results<br />
H. Sharifi, R. Kharaghani, H. Emami, et al.<br />
Characteristics <strong>of</strong> <strong>the</strong> subjects<br />
Among participants, 87.1% (n = 115) were men with a mean<br />
age <strong>of</strong> 37.33 ± 10.72 years and 12.9% (n = 17) were women<br />
with a mean age <strong>of</strong> 40.70 ± 12.24 years. A total <strong>of</strong> 64.4% (n =<br />
85) <strong>of</strong> <strong>the</strong> subjects were married, 26.5% (n = 35) were single,<br />
and <strong>the</strong> remainder were divorced, widowed or separated. Regarding<br />
<strong>the</strong>ir level <strong>of</strong> education, approximately 69.2% (n = 90) had<br />
a high school diploma or lower educational level. Homeowners<br />
comprised about 52.3% (n = 69) <strong>of</strong> subjects. All were from low<br />
class strata; most (49.6%, n = 65) were employed in clerical work<br />
or non-manual skilled labor, whereas 6.8% (n = 9) were unemployed<br />
(Table 1).
Smoking pattern and nicotine dependence<br />
The mean age <strong>of</strong> smoking initiation was 18.5 ± 5.6 years and <strong>the</strong><br />
mean number <strong>of</strong> cigarettes smoked daily was 22.19 ± 1.03. The<br />
mean amount <strong>of</strong> expired CO for 76.5% (n = 101) <strong>of</strong> subjects was<br />
more than 20 ppm. According to FTND, <strong>the</strong> mean score <strong>of</strong> nicotine<br />
dependence was 5.9 ± 2.8. The mean score for readiness to<br />
quit smoking was 14.9 ± 4.1 based on motivation to quit smoking<br />
questionnaire (Questionnaire de motivation à l’arrêt du tabac) (Q-<br />
MAT) and according to <strong>the</strong> Hospital Anxiety and Depression test<br />
(HAD), <strong>the</strong> mean score for suffering from depression or anxiety<br />
was 16.9 ± 6.7 (Table 2).<br />
Treatment efficacy<br />
During <strong>the</strong> first 6 months, <strong>the</strong> number <strong>of</strong> cigarettes smoked daily<br />
significantly decreased; <strong>the</strong> number <strong>of</strong> nicotine gums used significantly<br />
increased. At <strong>the</strong> beginning <strong>of</strong> <strong>the</strong> study <strong>the</strong>se rates were<br />
22.9 for number <strong>of</strong> smoked cigarettes and 0.03 for <strong>the</strong> number <strong>of</strong><br />
nicotine gums used. This declined to 11.34 for <strong>the</strong> number <strong>of</strong> cigarettes<br />
smoked and 5.63 for number <strong>of</strong> nicotine gums used at <strong>the</strong><br />
6-month follow up. All were statistically significant (p < 0.001;<br />
Figure 1). According to <strong>the</strong> chi-square test, differences in expired<br />
CO levels were statistically significant (p < 0.001 for all; Figure 2).<br />
<strong>In</strong> this study, 85 subjects (64.4%) decreased <strong>the</strong>ir number <strong>of</strong> daily<br />
cigarettes by a minimum <strong>of</strong> 50%. During <strong>the</strong> follow-up visits, <strong>the</strong><br />
number <strong>of</strong> subjects who quit gradually increased. Finally at 3 and<br />
6-month follow-up visits, 17 subjects (12.9%) quit smoking (Figure<br />
3). After 4 weeks <strong>of</strong> observation <strong>the</strong>re was a minimum <strong>of</strong> 50%<br />
reduction in daily cigarette consumption among <strong>the</strong> participants<br />
(Figure 4).<br />
Discussion<br />
Figure 4. Estimated survival curves for 50% reduction in daily cigarette consumption through 3 months.<br />
This study explained <strong>the</strong> feasibility <strong>of</strong> reduction and eventual cessation<br />
<strong>of</strong> cigarette smoking among Iranian people who previously<br />
failed to quit. The reduction in level <strong>of</strong> expired CO was statistically<br />
significant, even at <strong>the</strong> 6-month follow up, which validated <strong>the</strong> efficacy<br />
<strong>of</strong> smoking reduction programs in this study.<br />
Harm Reduction in Smoking Cessation<br />
Smoking reduction may encourage smoking cessation by allowing<br />
smokers to gradually take control <strong>of</strong> this habit. Similar studies<br />
that have aimed to decrease smoking in those trying to quit<br />
noted complete smoking cessation in a significant number <strong>of</strong><br />
smokers. 27–31 <strong>In</strong> our study, <strong>the</strong> gradual reduction in smoking was<br />
followed by a 12.9% successful quit rate.<br />
One concern in harm reduction programs is that smokers who<br />
reduce <strong>the</strong> number <strong>of</strong> daily cigarettes may balance <strong>the</strong>ir intake <strong>of</strong><br />
tobacco by smoking fewer cigarettes but more forcefully. <strong>In</strong> this<br />
study, reduction in expired CO levels and number <strong>of</strong> daily cigarettes<br />
is statistically significant. Therefore, even if this hypo<strong>the</strong>sis<br />
is true, we have reached a significant reduction in expiratory CO<br />
levels due to <strong>the</strong> consumption <strong>of</strong> nicotine gums while participants<br />
still smoked.<br />
Some researchers suggest that high dose nicotine replacement<br />
<strong>the</strong>rapy should be used to reduce <strong>the</strong> health risks due to compensatory<br />
smoking. 31<br />
Nicotine Replacement Therapy (NRT) increases lasting abstinence<br />
rates by 50% to 70%, irrespective <strong>of</strong> <strong>the</strong> method <strong>of</strong> prescription<br />
in smokers motivated to quit. 32 The 6-month abstinence rate<br />
in our study (12.9%) was <strong>the</strong> same as that observed in a number<br />
<strong>of</strong> previous studies on NRT products for smoking reduction (8%<br />
– 12%), 27–30 but lower than observed in a recent trial by Kralikova<br />
et al. which showed that 18.7% <strong>of</strong> participants quit smoking in an<br />
intervention group that used nicotine gums. 33 This was possibly<br />
due to <strong>the</strong> fact that Kralikova and colleagues recruited smokers<br />
who wanted to manage <strong>the</strong>ir smoking, which meant ei<strong>the</strong>r decreasing<br />
cigarette consumption or immediate cessation; whereas, in <strong>the</strong><br />
present study our participants were smokers who had failed to quit.<br />
The NRT-assisted reduction phase aims to promote cessation and<br />
engage smokers who are ready to quit in a time-limited course <strong>of</strong><br />
structured reduction to reach a quitting endpoint. The reduce-toquit<br />
approach is not <strong>the</strong> only technique that uses NRT. A comparable<br />
approach, described as “cut down to quit”, encourages smokers<br />
who are not currently interested in quitting to use NRT for smoking<br />
reduction over a period <strong>of</strong> up to 12 months. The meta-analysis conducted<br />
by Wang et al. in 2008 have reported that this approach was<br />
Archives <strong>of</strong> Iranian Medicine, Volume 15, Number 5, May 2012 287
successful but less cost effective than immediate cessation. The<br />
two approaches address different populations with different plans,<br />
making it difficult to compare <strong>the</strong> results. 34<br />
Our data suggest that although prolonged observation is not<br />
included in conventional smoking cessation programs, we could<br />
design our interventions for a longer period <strong>of</strong> time to address cessation<br />
in smokers. Moreover, a structured treatment on <strong>the</strong> first<br />
two months <strong>of</strong> <strong>the</strong> course with regular follow-ups could clearly<br />
enhance <strong>the</strong> quit rate.<br />
This study’s strengths include <strong>the</strong> presence <strong>of</strong> detailed data on<br />
smoking pattern and biochemical measures <strong>of</strong> smoke exposure.<br />
Ano<strong>the</strong>r strong point is <strong>the</strong> report <strong>of</strong> smoking prevalence in a<br />
6-month period instead <strong>of</strong> point prevalence at <strong>the</strong> end <strong>of</strong> a conventional<br />
treatment, which is a less relevant outcome.<br />
<strong>In</strong> summary, this study shows that reduction in smoking can be<br />
achieved through prolonged counseling sessions and NRT. Smoking<br />
reduction in people unable to stop smoking immediately seems<br />
to be a step forward towards improved health and may finally proceed<br />
to complete smoking cessation.<br />
The results <strong>of</strong> this study support <strong>the</strong> efficacy <strong>of</strong> harm reduction<br />
programs. This is particularly useful for smoking cessation counselors<br />
to know that continuation <strong>of</strong> conventional programs can<br />
augment <strong>the</strong> success rate <strong>of</strong> quitting in smokers. We hope that <strong>the</strong><br />
results <strong>of</strong> this study may be useful for tobacco control programs<br />
and policy making. Fur<strong>the</strong>r studies are also recommended in this<br />
regard.<br />
Last but not least, similar studies in o<strong>the</strong>r regions and countries<br />
can help support and generalize our findin<br />
Acknowledgments<br />
This article is based on a project supported and funded by <strong>the</strong> Tobacco<br />
Prevention and Control Research Center, Shaheed Beheshti<br />
Medical Science University. The author would like to thank all<br />
participants in this study and <strong>the</strong> staff who facilitated <strong>the</strong> process.<br />
Without <strong>the</strong>ir support and participation, this study would not have<br />
been performed.<br />
References<br />
1. WHO Report on <strong>the</strong> Global Tobacco Epidemic. Implementing smokefree<br />
environments. 2009. Available from: URL: http://www.who.int/<br />
tobacco/mpower/en/index.html. (Accessed 2011 August 20).<br />
2. Ortiz A, Martinez M, Torres A, Casal J, Rodriguez W, Nazario S.<br />
Predictors <strong>of</strong> smoking cessation success. Puerto Rico Health Science<br />
Journal. 2003; 22: 173 – 177. Available from: URL: http://www.biomedexperts.com/Abstract.bme/12866142/Predictors_<strong>of</strong>_smoking_<br />
cessation_success. (Accessed 2011 August 20)<br />
3. General Surgeon Report. Important factors in smoking cessation;<br />
women and smoking, a Report <strong>of</strong> <strong>the</strong> Surgeon General. 2007. Available<br />
from: URL: http://www.cdc.gov/mmwr. (Accessed 2011 August 20).<br />
4. Ministry <strong>of</strong> Health and Medical Education. Center for Disease Control.<br />
A national pr<strong>of</strong>ile <strong>of</strong> non-communicable disease risk factors in <strong>the</strong> Islamic<br />
Republic <strong>of</strong> Iran. 2005. Available from: URL: http://www.who.<br />
int/chp/steps/IR_IranSTEPSReport.pdf. (Accessed 2011 August 20).<br />
5. Slama K. Tobacco Control and Prevention. A Guide for Low-income<br />
Countries. Paris: IUATLD; 1998. Available from: URL: http://www.<br />
iuatld.org/pdf/en/guides_publications/tobac coguide.pdf. (Accessed<br />
2011 August 20).<br />
6. Curbing <strong>the</strong> epidemic: Governments and <strong>the</strong> economics <strong>of</strong> tobacco<br />
control. The World Bank. Tobacco Control. 1999; 8: 196 – 201. Available<br />
from: URL: http://www.worldbank.org/tobacco/. (Accessed 2011<br />
August 20).<br />
7. US Department <strong>of</strong> Health and Human Services, Public Health Service,<br />
288 Archives <strong>of</strong> Iranian Medicine, Volume 15, Number 5, May 2012<br />
H. Sharifi, R. Kharaghani, H. Emami, et al.<br />
Office <strong>of</strong> <strong>the</strong> Assistant Secretary for Health, Office on Smoking and<br />
Health. The health consequences <strong>of</strong> smoking: The changing cigarette.<br />
A report <strong>of</strong> <strong>the</strong> Surgeon General. 1981. Available from: URL: http://<br />
www.quit-smoking-stop.com/articles-tobacco-health.html. (Accessed<br />
2011 August 20).<br />
8. Centers for Disease Control and Prevention (CDC). Cigarette smoking<br />
among adults-United States, 1998. Morb Mortal Wkly Rep. 2000;49:<br />
881 – 884.<br />
9. Masjedi M, Azaripour MH, Hosseini M, Heydari G. Effective factors<br />
on smoking cessation among <strong>the</strong> smokers in <strong>the</strong> first “Smoking Cessation<br />
Clinic” in Iran. Tanaffos. 2002; 1: 61 – 67. Available from: URL:<br />
http:// www.sid.ir/en/VEWSSID/J_pdf/100220020403.pdf. (Accessed<br />
2011 August 20).<br />
10. Irvin JE, Hendricks PS, Brandon TH. The increasing recalcitrance <strong>of</strong><br />
smokers in clinical trials II: Pharmaco<strong>the</strong>rapy trials. Nicotine Tob Res.<br />
2003; 5: 27 – 35. Available from: URL: http://ntr.oxfordjournals.org/<br />
cgi/reprint/5/1/27.pdf. (Accessed 2011 August 20).<br />
11. Lindson N, Aveyard P, Hughes JR. Reduction versus abrupt cessation<br />
in smokers who want to quit. Cochrane Database Syst Rev.2010, Issue<br />
3. Art. No.: CD008033. DOI: 10.1002/14651858.CD008033.pub2..<br />
12. Frances RJ, Miller SI, Marck AH. Clinical Textbook <strong>of</strong> Addictive Disorders.<br />
3rd ed. Location <strong>of</strong> publishing company? The Guilford Press.<br />
Available from: URL: http://www.informaworld.com/smpp/content~co<br />
ntent=a911177929~db=all~jumptype=rss. (Accessed 2011 August 20).<br />
13. Warner KE, Slade J, Sweanor DT. The emerging market for longterm<br />
nicotine maintenance. J. Am. Med. Assoc. 1997; 278: 1087 –<br />
1092. Available from: URL: http://jama.ama-assn.org/cgi/content/abstract/278/13/1087.<br />
(Accessed 2011 August 20).<br />
14. Kunze M. Maximizing help for dissonant smokers. Addiction. 2002;<br />
95: 13 – 17. DOI: 10.1046/j.1360-0443.95.1s1.1.x<br />
15. Peto R, Lopez AD, Boreham J, Thun M, Heath C Jr. Mortality from<br />
tobacco in developed countries: <strong>In</strong>direct estimation from national<br />
vital statistics. Lancet. 1992; 339: 1268 – 1278. DOI: 10.1016/0140-<br />
6736(92)91600-D<br />
16. Tilashalski K, Rodu B, Cole P. Seven year follow-up <strong>of</strong> smoking cessation<br />
with smokeless tobacco. J Psychoactive Drugs.2005; 37: 105 – 108.<br />
Available from: URL: http://www.ncbi.nlm.nih.gov/pubmed/15916256.<br />
(Accessed 2011 August 20).<br />
17. Rodu B. Swedish tobacco use: Smoking, smokeless and history. ACSH<br />
Health Facts and Fears. 2004. Available from: URL: http://www.acsh.<br />
org/factsfears/newsID.362/news_detail.asp. (Accessed 2011 August<br />
20).<br />
18. Currie CE, Elton RA, Todd J, Platt S. <strong>In</strong>dicators <strong>of</strong> socioeconomic status<br />
for adolescents: The WHO Health Behavior in School-aged Children<br />
Survey. Health Education Research. 1997; 12: 385 – 397. Available<br />
from: URL: http://her.oxfordjournals.org/cgi/reprint/12/3/385.pdf.<br />
(Accessed 2011 August 20).<br />
19. Barrueco M, Jiménez Ruiz C, Palomo L, Torrecilla M, Romero P, Riesco<br />
JA. Veracity <strong>of</strong> smokers’ reports <strong>of</strong> abstinence at smoking cessation<br />
clinics [Article in Spanish]. Arch Bronconeumol. 2005; 41: 135 – 140.<br />
20. Ahluwalia JS, Harris KJ, Catley D, Okuyemi KS, Mayo MS. Sustained-release<br />
bupropion for smoking cessation in African Americans:<br />
A randomized controlled trial. J Am Med Assoc. 2002; 288: 468 – 474.<br />
21. Hall SM, Humfleet GL, Reus VI, Munoz RF, Hartz DT, Maude-Griffin<br />
R. Psychological intervention and antidepressant treatment in smoking<br />
cessation. Arch Gen Psychiatry. 2002; 59: 930 – 936.<br />
22. Javors MA, Hatch JP, Lamb RJ. Cut-<strong>of</strong>f levels for breath carbon monoxide<br />
as a marker for cigarette smoking. Addiction. 2005; 100: 159<br />
– 167.<br />
23. Jarvis MJ, Belcher M, Vesey C, Hutchison D C S. Low cost carbon<br />
monoxide monitors in smoking assessment. Thorax. 1986; 41: 886 –<br />
887.<br />
24. Tilashalski K, Rodu B, Cole P. A pilot study <strong>of</strong> smokeless tobacco<br />
in smoking cessation. Am J Med 1998; 104: 456 – 458. Available<br />
from: URL: http://www.sciencedirect.com/science/article/pii/<br />
S0002934398000850. (Accessed 2011 August 20).<br />
25. Benowitz NL, Jacob P, Ahijevych K, Jarvis MF, Hall S, LeHouezec J,<br />
et al. Biochemical verification <strong>of</strong> tobacco use and cessation. Nicotine<br />
Tob Res. 2002; 4: 149 – 159.<br />
26. Kauffman RM, Ferketich AK, Murray DM, Bellair PE, Wewers ME.<br />
Measuring tobacco use in a prison population. Nicotine Tob Res. 2010;<br />
12: 582 – 588.<br />
27. Bolliger CT, Zellweger JP, Danielsson T, Van BX, Robidou A, Westin A,<br />
et al. Smoking reduction with oral nicotine inhalers: Double blind randomized<br />
clinical trial <strong>of</strong> efficacy and safety. BMJ. 2000; 321: 329 – 333.<br />
Available from: URL: http://www.bmj.com/content/321/7257/329.full.
(Accessed 2011 August 20).<br />
28. Wennike P, Danielsson T, Landfeldt B, Westin A, Tonnesen P. Smoking<br />
reduction promotes smoking cessation: Results from a double blind,<br />
randomized, placebo-controlled trial <strong>of</strong> nicotine gum with 2-year followup.<br />
Addiction. 2003; 98: 1395 – 1402. Available from URL: http://www.<br />
ncbi.nlm.nih.gov/pubmed/14519176. (Accessed 2011 August 20).<br />
29. Batra, A., Klingler, K., Landfeldt, B., Friederich, H.M., Westin, A.<br />
and Danielsson, T. (2005) Smoking reduction treatment with 4-mg<br />
nicotine gum: A double-blind, randomized, placebo-controlled study.<br />
Clinical Pharmacology & Therapeutics, 78, 689 – 696. doi:10.1016/j.<br />
clpt.2005.08.019 (Accessed 2011 August 20).<br />
30. Rennard SI, Glover ED, Leischow S, Daughton DM, Glover PN,<br />
Muramoto M, et al. Efficacy <strong>of</strong> <strong>the</strong> nicotine inhaler in smoking reduction:<br />
A double-blind, randomized trial. Nicotine Tob Res. 2006;<br />
8: 555 – 564. Available from: URL: http://www.ncbi.nlm.nih.gov/<br />
pubmed/16920653. (Accessed 2011 August 20).<br />
Harm Reduction in Smoking Cessation<br />
31. Hatsukami D, Mooney M, Murphy S, LeSage M, Babb D. Effects<br />
<strong>of</strong> high dose transdermal nicotine replacement in cigarette smokers.<br />
Pharmacol Biochem Behav.. 2007; 86: 132 – 139. DOI:10.1016/j.<br />
pbb.2006.12.017.<br />
32. Stead LF, Perera R, Bullen C, Mant D, Lancaster T. Nicotine replacement<br />
<strong>the</strong>rapy for smoking cessation. Cochrane Database Syst Rev.<br />
2008 Jan 23;(1):CD000146. DOI: 10.1002/14651858.CD000146.pub3<br />
33. Kralikova E, Kozak JT, Rasmussen T, Gustavsson G, Le Houezec<br />
J. Smoking cessation or reduction with nicotine replace. DOI:<br />
10.1186/1471-2458-9-433.<br />
34. Wang D, Connock M, Barton P, Fry-Smith A, Aveyard P, Moore D.<br />
Cut down to quit’ with nicotine replacement <strong>the</strong>rapies in smoking cessation:<br />
A systematic review <strong>of</strong> effectiveness and economic analysis.<br />
Journal <strong>of</strong> Technology Assessment in Health Care. 2008; 12: 1 – 135.<br />
DOI: 10.3310/hta12020.<br />
Mohtasham Garden in Rasht, Gilan Province - Iran, founded during Nasser al-Din Shah Qajar Period (1848 – 1896)<br />
(Photo by M.H. Azizi MD)<br />
Archives <strong>of</strong> Iranian Medicine, Volume 15, Number 5, May 2012 289
290 Archives <strong>of</strong> Iranian Medicine, Volume 15, Number 5, May 2012<br />
Original Article<br />
Validity, Reliability and Factor Structure <strong>of</strong> Hepatitis B Quality <strong>of</strong><br />
Life Questionnaire Version 1.0: Findings in a Large Sample <strong>of</strong> 320<br />
patients<br />
Atefeh Poorkaveh MSc 1,2 , Amirhossein Modabbernia MD 1,3 , Mandana Ashrafi MD 1 , Shervin Taslimi MD, MPH 1 , Maryam Karami BSN 1 ,<br />
Mojtaba Dalir BSN 1 , Arezoo Estakhri MD 1 , Reza Malekzadeh MD 1 , Hassan Pasha Sharifi PhD 4 , Hossein Poustchi MD PhD• 1<br />
Abstract<br />
Background: Quality <strong>of</strong> life is <strong>of</strong> significant importance in chronic hepatitis B (CHBV). We aimed to assess <strong>the</strong> psychometric properties <strong>of</strong><br />
<strong>the</strong> Hepatitis B Quality <strong>of</strong> Life Questionnaire v1.0 (HBQOL) in a large sample <strong>of</strong> 320 Iranian patients with CHBV.<br />
Methods: After adapting <strong>the</strong> Iranian version through forward-backward translation and expert panel discussion, we administered HBQOL<br />
toge<strong>the</strong>r with Short-Form 36 (SF-36), Medical Outcome Study Social Support Questionnaire (MOS-SS), Hospital Anxiety and Depression<br />
Scale (HADS), and <strong>the</strong> Iowa Fatigue Scale (IFS) to 320 non-cirrhotic Iranian patients. We used principal component analysis with Varimax<br />
rotation to determine <strong>the</strong> factor structure. To evaluate <strong>the</strong> psychometric properties <strong>of</strong> HBQOL, test-retest and internal consistency reliabilities,<br />
divergent and convergent validity with o<strong>the</strong>r instruments, and discriminatory power were calculated.<br />
Results: Thirty-one questions loaded on to six factors (Anticipation anxiety, Stigma, Psychological well-being, Vitality, Transmissibility and<br />
Vulnerability) which explained 63.6% <strong>of</strong> total variance. Test-retest reliability was 0.66. Cronbach’s α was 0.94 for <strong>the</strong> overall scale and between<br />
0.7 and 0.9 for subscales, with <strong>the</strong> exception <strong>of</strong> <strong>the</strong> Vulnerability subscale. HBQOL and its subscales showed acceptable convergent<br />
and divergent validity with o<strong>the</strong>r instruments. Fur<strong>the</strong>rmore, Vulnerability subscale <strong>of</strong> HBQOL discriminated between patients with chronic<br />
active and chronic inactive hepatitis.<br />
Conclusion: The Iranian version <strong>of</strong> HBQOL is reliable, valid, and sensitive to <strong>the</strong> clinical conditions <strong>of</strong> <strong>the</strong> patients. This instrument has<br />
acceptable factor structure to measure several aspects <strong>of</strong> quality <strong>of</strong> life in patients with chronic HBV.<br />
Keywords: Anxiety, depression, factor analysis, fatigue, hepatitis B quality <strong>of</strong> life questionnaire version 1.0, reliability, validity<br />
Cite this article as: Poorkaveh A, Modabbernia AH, Ashrafi M, Taslimi S, Karami M, Dalir M, et al. Validity, Reliability and Factor Structure <strong>of</strong> Hepatitis B Quality<br />
<strong>of</strong> Life Questionnaire Version 1.0: Findings in a Large Sample <strong>of</strong> 320 patients. Arch Iran Med. 2012; 15(5): 290 – 297.<br />
<strong>In</strong>troduction<br />
I<br />
n recent years, health-related quality <strong>of</strong> life (HRQOL) has<br />
become a main measure <strong>of</strong> health and an important outcome<br />
in clinical trials. Although clinicians are more concerned with<br />
<strong>the</strong> biological outcomes <strong>of</strong> <strong>the</strong>ir patients, patients mainly worry<br />
about <strong>the</strong>ir quality <strong>of</strong> life. 1 Chronic diseases can negatively affect<br />
HRQOL and chronic hepatitis B (CHBV) is no exception. Several<br />
studies have shown impairment <strong>of</strong> HRQOL in patients with<br />
CHBV. 2–6 <strong>In</strong>struments to assess HRQOL consist <strong>of</strong> two different<br />
categories: generic and disease-specific. Generic instruments can<br />
be used for all disease types and allow for comparison among diseases,<br />
whereas disease-specific instruments focus on a specific disease<br />
or a specific group <strong>of</strong> diseases, evaluating <strong>the</strong> condition in a<br />
more specific manner. 1 Two <strong>of</strong> <strong>the</strong> most important features <strong>of</strong> disease-specific<br />
questionnaires which make <strong>the</strong>m useful outcome<br />
measure, particularly in clinical trials, are <strong>the</strong>ir capability to differentiate<br />
between different severities <strong>of</strong> <strong>the</strong> disease as well as <strong>the</strong>ir<br />
sensitivity to change in clinical condition over time. 7<br />
Authors’ Affiliations: 1 Digestive Disease Research Center, Shariati Hospital,<br />
Tehran University <strong>of</strong> Medical Sciences, Tehran, Iran, 2 Department <strong>of</strong> Counseling,<br />
Islamic Azad University, Tehran, Iran, 3 Department <strong>of</strong> Psychiatry, Roozbeh Psychiatric<br />
Hospital, Tehran University <strong>of</strong> Medical Sciences, Tehran, Iran, 4 Department<br />
<strong>of</strong> Psychology and Psychometrics, Islamic Azad University, Roodehen, Iran<br />
•Corresponding author and reprints: Hossein Poustchi MD PhD, Digestive<br />
Disease Research Center, Shariati Hospital, North Kargar Ave, Tehran, Iran ,<br />
14117-13135. Tel: +98-21-82415141, Fax: +98-21-8241300,<br />
E-mail: h.poustchi@gmail.com.<br />
Accepted for publication: 6 July 2011<br />
A.Poorkaveh, A. Modabbernia, M. Ashrafi et al.<br />
Because biological outcomes or generic instruments may miss<br />
key disease-related components <strong>of</strong> HRQOL and overlook patients’<br />
perceptions <strong>of</strong> <strong>the</strong>ir HRQOL, a disease-specific instrument<br />
seems necessary. 7 Until 2007, <strong>the</strong> measures used for evaluation <strong>of</strong><br />
HRQOL in patients with CHBV were ei<strong>the</strong>r generic [i.e., Short<br />
Form-36 (SF-36)] or liver-specific (but not CHBV-specific) quality<br />
<strong>of</strong> life questionnaires such as <strong>the</strong> Chronic Liver Disease Quality<br />
<strong>of</strong> Life Questionnaire (CLDQ) and <strong>the</strong> Liver Disease Quality <strong>of</strong><br />
Life Questionnaire (LDQLQ). 8–10<br />
<strong>In</strong> 2007, Spiegel et al. 11 developed a disease-targeted quality <strong>of</strong><br />
life questionnaire for non-cirrhotic patients with CHBV entitled<br />
<strong>the</strong> Hepatitis B Quality Of Life <strong>In</strong>strument, version 1.0 (HBQOL<br />
v1.0). Their factor analysis showed <strong>the</strong> following six distinct factors:<br />
Psychological well-being, Anticipation anxiety, Vitality,<br />
Stigma, Vulnerability, and Transmissibility. An extra a priori-defined<br />
factor, related to Viral response, was also added which was a<br />
combination <strong>of</strong> Vulnerability and Transmissibility. They described<br />
high test-retest reliability, internal consistency, and discriminant<br />
validity for <strong>the</strong> questionnaire. However, after development <strong>of</strong> <strong>the</strong><br />
HBQOL, no study evaluated <strong>the</strong> psychometric characteristics <strong>of</strong><br />
<strong>the</strong> questionnaire. Additionally, this instrument has not been evaluated<br />
in different cultural contexts. CHBV is quite prevalent in<br />
Asian countries and <strong>the</strong> results from <strong>the</strong> English version cannot be<br />
generalized to o<strong>the</strong>r languages and cultures.<br />
To assess <strong>the</strong> psychometric properties <strong>of</strong> HBQOL in a larger<br />
sample <strong>of</strong> non-cirrhotic patients with CHBV and to evaluate <strong>the</strong><br />
questionnaire in people with different cultural and language back-
<strong>In</strong>strument<br />
Short-Form 36<br />
Medical<br />
Outcome Study<br />
Social Support<br />
Questionnaire<br />
Iowa Fatigue<br />
Scale<br />
Hospital Anxiety<br />
and Depression<br />
Scale<br />
Developers/year<br />
[reference<br />
number]<br />
Ware and<br />
Sherbourne/ 1992 13<br />
Sherbourne and<br />
Stewart /1991 13<br />
grounds, we administered HBQOL to Iranian patients with CHBV.<br />
Next, we performed a factor analysis and determined <strong>the</strong> questionnaire’s<br />
reliability. To ensure <strong>the</strong> convergent and divergent validity<br />
<strong>of</strong> HBQOL, we used several generic instruments.<br />
Materials and Methods<br />
Number<br />
<strong>of</strong> items<br />
Subjects<br />
From March to September 2010, we evaluated 320 patients with<br />
CHBV who referred to a university clinic in Shariati Hospital, Tehran,<br />
Iran. <strong>In</strong>clusion criteria were: confirmed CHBV diagnosis, age<br />
> 18 years, and ability to communicate. Co-infection with hepatitis<br />
C or HIV, severe psychiatric disorders and any o<strong>the</strong>r severe<br />
comorbid diseases were exclusion criteria. All patients read and<br />
signed an informed consent form. The Ethics Committee <strong>of</strong> <strong>the</strong><br />
Digestive Disease Research <strong>In</strong>stitute <strong>of</strong> Shariati Hospital approved<br />
<strong>the</strong> proposal.<br />
Data collection<br />
Two trained interviewers collected important baseline characteristics<br />
and clinical data in separate questionnaires. <strong>In</strong> addition to<br />
HBQOL, we administered several generic questionnaires to evaluate<br />
quality <strong>of</strong> life, social support, fatigue, depression, and anxiety<br />
with <strong>the</strong> intent to determine <strong>the</strong> convergent and divergent validity<br />
<strong>of</strong> HBQOL. Because <strong>of</strong> <strong>the</strong> large number <strong>of</strong> questions, we administered<br />
each instrument to a proportion <strong>of</strong> patients, so that each<br />
patient completed two or three questionnaires in addition to <strong>the</strong><br />
HBQOL. All questionnaires were self-administered and interviewers<br />
were responsible for interviewing illiterate patients as well as<br />
supervising o<strong>the</strong>r patients as <strong>the</strong>y completed <strong>the</strong> questionnaires.<br />
Assessment instruments<br />
HBQOL 11 consists <strong>of</strong> 31 questions. Each contains a 5-point Likert-type<br />
scale and is loaded onto six factors: Psychological wellbeing,<br />
Anticipation anxiety, Vitality, Stigma, Vulnerability, Transmission<br />
(plus a priori defined factor, Viral response). Cronbach’s<br />
α was 0.96 for <strong>the</strong> overall score and with a range <strong>of</strong> 0.75 – 0.9 for<br />
subscales. The scale showed high test-retest reliability and its related<br />
subscales showed high convergent validity with SF-36 MCS<br />
and PCS (mental and physical component summaries). Spiegel et<br />
al. 11 found high discriminatory power <strong>of</strong> <strong>the</strong> viral response item<br />
between viral responders and viral non-responders.<br />
Similar to <strong>the</strong> study by Spiegel et al. 11 ,we changed <strong>the</strong> total<br />
score <strong>of</strong> HBQOL (range: 31 – 155) to a 100-point scale with lower<br />
scores showing lower quality <strong>of</strong> life. We used forward-backward<br />
36<br />
19<br />
Hartze el al./ 2003 15 11<br />
Table 1. <strong>In</strong>struments used in <strong>the</strong> validation <strong>of</strong> HBQOL.<br />
Subscales Cronbach’s α<br />
Mental and physical component<br />
summary (MCS and PCS)<br />
Emotional/<strong>In</strong>formational<br />
support, Tangible support,<br />
Affection, Positive interaction<br />
Cognitive, Fatigue, Energy,<br />
Productivity<br />
Zigmond and<br />
Snaith/ 1983 16 14 Anxiety, Depression<br />
Validity, Reliability and Factor Structure <strong>of</strong> HBQOL V1.0<br />
Adapting <strong>the</strong><br />
Iranian version<br />
[Reference<br />
number]<br />
Cronbach’s α<br />
<strong>of</strong> <strong>the</strong> Iranian<br />
version<br />
> 0.85 Montazeri et al. 14 0.65– 0.9<br />
> 0.9 Our group 0.95<br />
0.9 Our group 0.81<br />
Anxiety: 0.8<br />
Depression:<br />
0.76<br />
Montazeri et al. 17<br />
Anxiety: 0.78<br />
Depression: 0.86<br />
translation recommended by World Health Organization to adapt<br />
<strong>the</strong> Persian version <strong>of</strong> <strong>the</strong> HBQOL. 12<br />
We used <strong>the</strong> following four generic questionnaires: i) SF-36, 13,14<br />
ii) Iowa Fatigue Scale (IFS), 15 Medical Outcome Study Social<br />
Support Questionnaire (MOS-SS), 13 and <strong>the</strong> Hospital Anxiety and<br />
Depression Rating Scale (HADS). 16,17 Table 1 provides a summary<br />
<strong>of</strong> <strong>the</strong>se instruments.<br />
There are several “rules <strong>of</strong> thumb” for determining sample size<br />
in factor analysis. Many authors believe that a sample size <strong>of</strong> 10<br />
individuals per item, 50 individual per factor, or at least 300 is adequate.<br />
18 For <strong>the</strong> purpose <strong>of</strong> this study, we determined a sample<br />
size <strong>of</strong> 300, with an additional 20 subjects for possible missing<br />
data. Since <strong>the</strong> completed questionnaires were examined for completeness<br />
by <strong>the</strong> interviewer before <strong>the</strong> patient left <strong>the</strong> clinic, we<br />
considered a 7% loss <strong>of</strong> samples ra<strong>the</strong>r than <strong>the</strong> more routine 15%.<br />
The first 300 patients also completed o<strong>the</strong>r questionnaires based<br />
on a random block method. There were 13 blocks, each <strong>of</strong> which<br />
contained 23 individuals who were given <strong>the</strong> questionnaire. Based<br />
on ano<strong>the</strong>r “rule <strong>of</strong> thumb” for bivariate correlation, a sample size<br />
<strong>of</strong> more than 100 (according to some, 104) is considered appropriate.<br />
However some authors consider numbers as low as 50 to be<br />
acceptable. 18,19 Thus, we have applied a ratio <strong>of</strong> 1.875 (15/8 in each<br />
block) and <strong>the</strong> overall MOS-SS was administered to 104 patients.<br />
The o<strong>the</strong>r patients received HADS and IFS questionnaires. Since<br />
SF-36 was <strong>the</strong> main measure <strong>of</strong> validity in our study, it was administered<br />
to as many patients as possible, unless time limitations <strong>of</strong><br />
<strong>the</strong> clinic prevented us from doing so.<br />
Data analysis<br />
SPSS version 15.00 (Chicago, USA) was used for data analysis.<br />
We used exploratory factor analysis (principal component analysis)<br />
with Varimax rotation with Kaiser Normalization. 20 Factors<br />
with eigenvalues <strong>of</strong> more than one were retained for analysis.<br />
Items, which loaded more than 0.4 onto at least one factor and<br />
ranked first or second in <strong>the</strong> scale loadings, were retained in that<br />
factor. <strong>In</strong> addition, we determined <strong>the</strong> inclusion or exclusion <strong>of</strong> an<br />
item in a factor based on face validity (i.e., discussion with our<br />
expert panel). To evaluate <strong>the</strong> quality <strong>of</strong> sampling, we used Kaiser-<br />
Meyer-Olkin (KMO) and Bartlett’s test <strong>of</strong> sphericity.<br />
To report <strong>the</strong> score <strong>of</strong> our patients, we used <strong>the</strong> 100-point scale<br />
with higher scores showing better quality <strong>of</strong> life. Skewness was<br />
used to evaluate data distribution. To compare subgroups, <strong>the</strong> parametric<br />
tests was used for normally distributed data whereas <strong>the</strong><br />
non-parametric tests were used for skewed data. Floor and ceiling<br />
effects were noted to be present if 15% <strong>of</strong> participants achieved <strong>the</strong><br />
Archives <strong>of</strong> Iranian Medicine, Volume 15, Number 5, May 2012 291
lowest or highest possible scores. 21<br />
To calculate test-retest reliability, we administered <strong>the</strong> HBQOL<br />
to a number <strong>of</strong> patients two weeks after <strong>the</strong> first administration and<br />
calculated <strong>the</strong> intraclass correlation coefficient. 22 To determine <strong>the</strong><br />
internal consistency we calculated Cronbach’s α for each factor<br />
and for <strong>the</strong> overall HBQOL score. Cronbach’s α <strong>of</strong> 0.7 or more was<br />
considered acceptable.<br />
To determine questionnaire validity, we assessed content validity,<br />
construct validity, and discriminatory power <strong>of</strong> <strong>the</strong> questionnaire.<br />
23–25 Developers <strong>of</strong> <strong>the</strong> questionnaire had approved <strong>the</strong> content<br />
validity in <strong>the</strong>ir own study. Besides, we discussed <strong>the</strong> translated<br />
questionnaire with a number <strong>of</strong> experts in <strong>the</strong> fields <strong>of</strong> hepatology,<br />
psychology, and psychometrics to ensure its content validity.<br />
Construct validity determines how much a questionnaire measures<br />
<strong>the</strong> construct <strong>of</strong> interest. To determine construct validity, we<br />
evaluated both convergent and divergent validities. 23 There are<br />
many ways to assess <strong>the</strong>se validities; all equally efficient. What is<br />
consistent among all studies for assessment <strong>of</strong> construct validity is<br />
correlational analysis.<br />
Convergent validity is <strong>the</strong> correlation <strong>of</strong> <strong>the</strong> questionnaire with<br />
o<strong>the</strong>r well-validated instruments that have <strong>the</strong> same construct<br />
(i.e., measuring <strong>the</strong> same thing). A correlation coefficient <strong>of</strong> 0.21<br />
to 0.4 is considered fair, 0.41 to 0.6 is good, 0.61 to 0.8 is very<br />
good, and more than 0.8 is excellent. 26 A good correlation coefficient<br />
was considered evidence <strong>of</strong> good convergent validity in our<br />
study. We hypo<strong>the</strong>sized that MCS , depression, and anxiety should<br />
have at least good correlation with <strong>the</strong> mental-related subscales<br />
<strong>of</strong> HBQOL (most importantly Psychological well-being, and Anticipation<br />
anxiety), while PCS and IFS should have at least good<br />
correlation with <strong>the</strong> physical-related subscales <strong>of</strong> HBQOL (Vitality).<br />
<strong>In</strong> addition, <strong>the</strong>se factors should be less correlated with o<strong>the</strong>r<br />
less-related subscales when compared with <strong>the</strong>ir correlation with<br />
more-related subscales.<br />
Divergent validity shows how much an instrument correlates<br />
with a construct that it should not measure. 23,25 We determined<br />
divergent validity by calculating <strong>the</strong> correlation <strong>of</strong> HBQOL and<br />
MOS-SS, each <strong>of</strong> which were designed to measure completely<br />
different constructs. Therefore, we hypo<strong>the</strong>sized that HBQOL, although<br />
related to social support should have a fair correlation (0.2<br />
– 0.4) with MOS-SS.<br />
The discriminatory power <strong>of</strong> an instrument shows <strong>the</strong> ability <strong>of</strong><br />
an instrument to discriminate between two clinically distinct conditions.<br />
Any outcome measure intended for health care purposes<br />
should be sensitive to changes in health status. <strong>In</strong> <strong>the</strong> study by<br />
Spiegel et al., this was determined as <strong>the</strong> capability <strong>of</strong> <strong>the</strong> Viral<br />
response subscale to distinguish between viral responders and<br />
nonresponders. Since <strong>the</strong> design <strong>of</strong> <strong>the</strong> present study was not longitudinal,<br />
we determined discriminatory power by a comparison<br />
<strong>of</strong> HBQOL and its subscale scores between patients with chronic<br />
active hepatitis (CAH) and patients with chronic inactive hepatitis<br />
(CIH).<br />
Results<br />
Sample characteristics and HBQOL scores<br />
A total <strong>of</strong> 320 patients (110 females and 210 males) with a mean<br />
± SD age <strong>of</strong> 39.6 ± 13.4 years participated in <strong>the</strong> study. No significant<br />
difference was observed in age, gender, marital status or<br />
educational level between patients who were administered a particular<br />
questionnaire and those who were not given that question-<br />
292 Archives <strong>of</strong> Iranian Medicine, Volume 15, Number 5, May 2012<br />
naire. Table 2 shows baseline characteristics <strong>of</strong> participants. Because<br />
<strong>of</strong> supervision at <strong>the</strong> time <strong>of</strong> administration <strong>of</strong> <strong>the</strong> questionnaires,<br />
none <strong>of</strong> <strong>the</strong> questionnaires had missing data. Mean time<br />
for completion <strong>of</strong> HBQOL was 6 (3 to 10) minutes. The overall<br />
score and scores <strong>of</strong> factors one to four on <strong>the</strong> percentile scale had<br />
a negative skewed distribution (better quality <strong>of</strong> life) while factors<br />
five to seven showed normal distribution. The mean ± SD score<br />
for HBQOL was 66.12 ± 20.90. Patients with recently diagnosed<br />
CHBV showed lower scores <strong>of</strong> HBQOL and its subscales (except<br />
Vulnerability) than <strong>the</strong> patients with previously diagnosed CHBV<br />
(P < 0.05 for Vitality, and P < 0.01 for overall scale and o<strong>the</strong>r<br />
subscales). Of patients, 0.9% achieved <strong>the</strong> highest possible score,<br />
whereas 0.9% also achieved <strong>the</strong> lowest possible scores which indicated<br />
<strong>the</strong> absence <strong>of</strong> floor and ceiling effects. The effects <strong>of</strong> several<br />
variables on scores <strong>of</strong> <strong>the</strong> HBQOL scale and its subscales are<br />
shown in Table 3.<br />
Table 2. Baseline characteristics <strong>of</strong> patients.<br />
Variable Value<br />
Male gender (%) 210 (65.6%)<br />
Age (mean ± SD) 39.63 ± 13.37<br />
Educational level<br />
Illiterate (%) 43 (13.5%)<br />
Less than diploma (%) 120 (37.5%)<br />
Diploma (%) 96 (30%)<br />
BS (%) 51 (15.9%)<br />
MS and over (%) 10 (3.1%)<br />
Residence<br />
Capital (%) 127 (39.7%)<br />
O<strong>the</strong>r cities (%) 193 (60.3%)<br />
Marital status<br />
Single (%) 50 (15.6%)<br />
Married (%) 263 (82.2%)<br />
Divorced (%) 7 (2.2%)<br />
Widowed (%) 0 (0%)<br />
Habitual history<br />
None (%) 226 (70.6%)<br />
Cigarette (%) 67 (20.9%)<br />
Alcohol (%) 50 (15.6%)<br />
Illicit drug (%) 24 (7.5%)<br />
Comorbid conditions (%) 85 (26.5%)<br />
Possible transmission route<br />
Vertical (%) 68 (21.25%)<br />
Sex (%) 2 (0.6%)<br />
Blood-born (%) 32 (10%)<br />
Unknown (%) 218 (68.15%)<br />
Chronic active hepatitis (%) 72 (22.5%)<br />
Time since diagnosis (mean ± SD) 68.1 ± 68.6 (month)<br />
Recently (< 6 months) diagnosed patients (%) 59 (18.4%)<br />
SF-36 scores<br />
PCS (mean ± SD)<br />
MCS (mean ± SD)<br />
A.Poorkaveh, A. Modabbernia, M. Ashrafi et al.<br />
47.9 ± 9.1<br />
47.2 ± 11.5<br />
HADS scores<br />
Anxiety (mean±SD) 7.5±4.6<br />
Depression (mean±SD) 4.6±4.1<br />
IFS score (mean±SD) 26.8±8.3<br />
MOS-SS score (mean±SD) 73.6±17.7<br />
Factor analysis<br />
A six-factor solution emerged accounting for 63.6% <strong>of</strong> <strong>the</strong> total<br />
variance. The KMO test was 0.938 and Bartlett’s test <strong>of</strong> sphericity<br />
was significant at a level <strong>of</strong> P < 0.001, which showed high quality<br />
<strong>of</strong> <strong>the</strong> sampling. Anticipation anxiety, with eight items, explained<br />
15.5% <strong>of</strong> <strong>the</strong> variance followed by Stigma, Psychological well-being,<br />
Vitality, Transmissibility, and Vulnerability. We also included<br />
<strong>the</strong> Viral response factor, which consists <strong>of</strong> items <strong>of</strong> Transmissibility<br />
and Vulnerability (Table 4). After primary analysis, because<br />
Productivity (F12) loaded onto <strong>the</strong> Psychological well-being (it<br />
loaded onto Vitality in <strong>the</strong> study by spiegel et al.) we hypo<strong>the</strong>sized
Variable<br />
Gender<br />
HBQOL components<br />
A n t i c i p a t i o n<br />
Stigma<br />
anxiety<br />
Psychological<br />
Vitality<br />
well-being<br />
Transmissibility Vulnerability Viral response HBQOL<br />
Female 57.5 ± 27.4 76.7 ± 24.3 68.8 ± 24.6 63.3 ± 27.9 56.8 ± 35.7 48.4 ± 30.9 52.6 ± 24.6 64.9 ± 20.9<br />
Male 62.7 ± 26.0 73.7 ± 24.5 71.7 ± 24.8 68.5 ± 26.7 52.6 ± 37.1 48.8 ± 30.2 50.7 ± 26.3 66.7 ± 20.9<br />
Age r = 0.062 r = 0.078 r = 0.100 r = 0.025 r = -0.030 r = 0.006 r = -0.013 r = 0.062<br />
Duration<br />
Diagnosis<br />
r = -0.069 r = 0.024 r = 0.072 r = -0.060 r = 0.057 r =-0.027 r = 0.043 r = 0.008<br />
Recent 52.5 ± 28.0** 67.7± 24.0** 56.8 ± 25.0** 58.7 ± 29.7* 41.5 ± 37.0** 43.2 ± 31.3 42.3 ± 26.5** 56.6 ± 20.1**<br />
Past<br />
Living in<br />
62.8 ± 25.9 76.4 ± 24.2 73.8 ± 23.6 68.5 ± 26.3 56.9 ± 36.0 49.9 ± 30.2 53.4 ± 25.1 68.2 ± 20.5<br />
Tehran 62.1 ± 28.0 75.4 ± 23.9 71.9 ± 25.2 66.4 ± 27.8 59.3 ± 36.0* 48.6 ± 30.2 53.9 ± 24.9 67.1 ± 21.4<br />
O<strong>the</strong>r cities<br />
1Marital status<br />
60.2 ± 25.6 74.3 ± 24.8 69.9 ± 24.5 66.9 ± 26.9 50.6 ± 36.8 48.7 ± 30.7 49.7 ± 26.2 65.4 ± 20.5<br />
Single 63.3 ± 26.0 72.0 ± 24.8 67.5 ± 26.5 68.1 ± 30.7* 60.0 ± 35.1 47.7 ± 24.5 53.8 ± 23.0 65.7 ± 65.7<br />
Married 60.4 ± 26.6 75.1 ± 24.4 71.2 ± 24.3 67.2 ± 26.2 52.4 ± 36.9 49.1 ± 29.7 50.7 ± 26.3 66.1 ± 66.1<br />
Divorced<br />
Educational<br />
level<br />
61.1 ± 32.3 82.6 ± 25.9 73.2 ± 29.5 39.2 ± 25.1 75.0 ± 32.2 39.2 ± 27.4 57.1 ± 20.8 65.7 ± 65.7<br />
Less than<br />
diploma<br />
61.7 ± 27.6 72.4 ± 26.1 68.8 ± 26.8 64.5 ± 28.3* 54.2 ± 36.8 47.8 ± 29.3 51.0 ± 24.4 64.9 ± 21.9<br />
Diploma and<br />
over<br />
Comorbid<br />
disease<br />
61.8 ± 25.9 77.0 ± 23.3 73.5 ± 22.9 72.4 ± 25.2 56.7 ± 36.7 51.2 ± 31.9 54.0 ± 26.9 68.6 ± 20.2<br />
No 62.5 ± 26.1 74.4 ± 25.4 72.6 ± 24.6 70.8 ± 26.8** 57.3 ± 36.6 50.1 ± 30.9 53.7 ± 25.4 67.7 ± 20.9<br />
Yes<br />
Viral activity<br />
status<br />
59.5 ± 28.7 75.1 ± 23.6 66.8 ± 26.2 61.3 ± 27.0 50.1 ± 36.7 47.6 ± 30.0 48.9 ± 26.1 63.8 ± 21.5<br />
Active 60.7 ± 28.7 75.6 ± 24.6 71.4 ± 22.5 65.4 ± 27.2 56.9 ± 37.6 37.8 ± 27.4** 47.3 ± 25.6* 65.7 ± 19.8<br />
<strong>In</strong>active 61.0 ± 26.0 74.5 ± 24.5 70.5 ± 25.4 67.1 ± 27.2 53.2 ± 36.4 51.8 ± 30.6 52.5 ± 25.7 66.2 ± 21.2<br />
Values are presented as mean ± SD. * = P < 0.05; ** = P < 0.01; r = Spearman ranked correlation coefficient; 1Vitality scores differ between married and divorced,<br />
single and divorced patients.<br />
that patients may have different concepts <strong>of</strong> Productivity based on<br />
educational level. We found that in patients with lower educational<br />
levels, Productivity loaded more onto Vitality than o<strong>the</strong>r factors.<br />
Reliability, validity, and discriminatory power<br />
Testing <strong>of</strong> internal consistency showed satisfactory Cronbach’s<br />
α for five <strong>of</strong> <strong>the</strong> six main subscales (Anticipation anxiety = 0.9,<br />
Stigma = 0.86, Psychological well-being = 0.88, Vitality = 0.83,<br />
Transmissibility = 0.7, Vulnerability and Viral response = 0.55).<br />
HBQOL total scores had Cronbach’s α <strong>of</strong> 0.94. The Vulnerability<br />
subscale had a Cronbach’s α <strong>of</strong> < 0.6 which showed poor, but not<br />
‘unacceptable’ coefficient. 27 Substantial (defined as > 0.6) test-retest<br />
reliability was observed in 29 patients who were retested two<br />
weeks after <strong>the</strong> initial questionnaire administration (ICC = 0.660).<br />
Scores <strong>of</strong> MCS and PCS significantly correlated with HBQOL<br />
scores. However, <strong>the</strong> strength <strong>of</strong> correlation was higher for MCS<br />
(r = 0.616 for MCS and 0.399 for PCS; P < 0.001). <strong>In</strong> addition,<br />
among <strong>the</strong> subscales, <strong>the</strong> Psychological well-being factor had<br />
<strong>the</strong> highest correlation with MCS (r = 0.646, P < 0.001). Among<br />
<strong>the</strong> HBQOL subscales, Vitality had <strong>the</strong> highest correlation with<br />
both PCS and IFS (Table 5). As seen in Table 5, Anxiety had <strong>the</strong><br />
strongest relation with Psychological well-being (r = -0.625, P <<br />
0.001) while depression had <strong>the</strong> highest correlation with Vitality<br />
(r = -0.621, P < 0.001). There was a significant correlation between<br />
HBQOL and MOS-SS scores (r = 0.322, P < 0.001). Of <strong>the</strong><br />
HBQOL subscales, <strong>the</strong> strongest relation was between Vitality and<br />
MOS-SS (r = 0.422, P < 0.001) followed by Psychological well-<br />
Table 3. Effect <strong>of</strong> several variables on HBQOL and its subscales.<br />
being and MOS-SS (Table 5).<br />
Vulnerability and Viral response discriminated between patients<br />
with CAH and patients with CIH (defined by viral load and liver<br />
enzymes) and thus showed discriminatory power (P < 0.001 for<br />
Vulnerability and P < 0.05 for Viral response).<br />
Discussion<br />
Validity, Reliability and Factor Structure <strong>of</strong> HBQOL V1.0<br />
The present study was <strong>the</strong> first, to our knowledge, which evaluated<br />
HBQOL after its development. Two <strong>of</strong> <strong>the</strong> main advantages <strong>of</strong><br />
our study were its large sample size and <strong>the</strong> use <strong>of</strong> several instruments<br />
to validate HBQOL. Our results showed that <strong>the</strong> Vulnerability<br />
subscale was able to differentiate between patients with CAH<br />
and CIH. According to Spiegel et al. 11 <strong>the</strong> Viral response factor<br />
discriminated between viral responders and non-responders. While<br />
we found that <strong>the</strong> same factor was able to distinguish between patients<br />
with CAH and CIH, this was totally attributable to <strong>the</strong> Vulnerability<br />
subscale, which was a subset <strong>of</strong> <strong>the</strong> Viral response factor.<br />
Because <strong>the</strong> design <strong>of</strong> <strong>the</strong> present study was cross-sectional, we<br />
were unable to detect any “change” in our patients. The difference<br />
between patients with normal and abnormal liver functions<br />
has been shown in o<strong>the</strong>r studies that used different instruments.<br />
Lam et al. 5 and Ong et al. 4 showed that <strong>the</strong> Worry subscale <strong>of</strong> <strong>the</strong><br />
CLDQ and MCS subscale <strong>of</strong> SF-36 were capable <strong>of</strong> differentiating<br />
between patients with normal and abnormal liver function, respectively.<br />
The recent diagnosis <strong>of</strong> CHBV significantly affected our patients’<br />
Archives <strong>of</strong> Iranian Medicine, Volume 15, Number 5, May 2012 293
Items<br />
Components<br />
1<br />
(Anticipation<br />
anxiety)<br />
2<br />
(Stigma)<br />
HRQOL. Patients who were diagnosed for longer durations might<br />
have adopted coping mechanisms which might have lowered <strong>the</strong><br />
influence <strong>of</strong> CHBV on <strong>the</strong>ir HRQOL.<br />
Although <strong>the</strong> present study confirms <strong>the</strong> psychometric properties<br />
reported by <strong>the</strong> primary study, some points need clarification.<br />
For example, items F9 and C6 loaded onto Anticipation anxiety in<br />
our study (ra<strong>the</strong>r than Psychological well-being and Vitality in <strong>the</strong><br />
294 Archives <strong>of</strong> Iranian Medicine, Volume 15, Number 5, May 2012<br />
Table 4. Factor structure <strong>of</strong> HBQOL v1.0.<br />
3<br />
(Psychological<br />
well-being)<br />
4<br />
(Vitality)<br />
A.Poorkaveh, A. Modabbernia, M. Ashrafi et al.<br />
5<br />
(Transmissibility)<br />
6<br />
(Vulnerability)<br />
C1: Concern failure 0.782 0.141 0.119 0.185 0.023 0.071<br />
C2: Concern cancer 0.719 0.280 0.091 0.187 0.187 -0.077<br />
C15: Concern worsen 0.660 0.203 0.216 0.126 0.296 0.165<br />
C5: Concern flare 0.653 0.236 0.100 0.076 0.404 0.157<br />
C12: Concern survival 0.622 0.249 0.204 0.146 0.371 0.131<br />
F9: Bad 0.608 0.214 0.468 0.086 0.056 0.015<br />
C6: Concern sick easily 0.606 0.133 0.092 0.185 0.306 0.192<br />
C9: Concern survival 0.504 0.326 0.322 0.207 0.190 0.170<br />
F2: Stigmatized 0.188 0.762 0.072 0.095 -0.075 0.046<br />
F1: Ashamed 0.164 0.625 0.334 0.009 0.048 0.074<br />
C14: Concern embarrassed 0.185 0.603 0.347 0.076 0.317 0.085<br />
C3: Concern boss 0.247 0.569 0.003 0.123 0.183 0.016<br />
F8: Isolated 0.188 0.565 0.451 0.138 0.149 0.012<br />
C11: Concern socially isolated 0.186 0.557 0.349 0.209 0.414 0.051<br />
C10: Concern self-conscious 0.209 0.554 0.446 0.101 0.362 0.088<br />
F4: Frustrated 0.216 0.532 0.492 0.224 -0.030 -0.055<br />
F3: Sad 0.408 0.486 0.422 0.128 -0.060 -0.017<br />
F10: Less enjoyable 0.203 0.286 0.684 0.195 0.108 0.051<br />
F11: Sex difficult 0.033 0.109 0.680 0.188 0.153 0.307<br />
F13: Scared 0.559 0.118 0.632 0.115 0.024 0.002<br />
F7: Angry 0.207 0.226 0.575 0.227 0.075 -0.050<br />
F6: Anxious 0.458 0.259 0.523 0.255 -0.027 -0.044<br />
F12: Unproductive 0.022 0.370 0.523 0.346 0.242 -0.067<br />
P3: Muscle aches 0.202 -0.003 0.152 0.796 0.031 0.075<br />
P1: Tiredness 0.215 0.249 0.212 0.787 0.018 0.043<br />
P2: Memory problems 0.125 0.069 0.182 0.733 0.128 0.048<br />
F5: Worn out 0.210 0.430 0.302 0.599 -0.090 0.089<br />
C4: Concern transmit child 0.208 0.079 0.071 -0.006 0.759 -0.027<br />
C7: Concern transmit sex 0.318 0.084 0.087 0.062 0.730 0.084<br />
C13: Concern eat 0.026 0.076 0.142 0.001 0.071 0.800<br />
C8: Concern medicines 0.239 0.015 -0.070 0.139 -0.001 0.771<br />
Rotated eigenvalues 4.8 4.1 4.0 2.8 2.2 1.5<br />
Variance explained (%) 15.5% 13.4% 13.1% 9.2% 7.3% 4.9%<br />
Table 5. Spearman’s ranked correlation coefficient (95% CI) between HBQOL and o<strong>the</strong>r instruments<br />
HBQOL components<br />
<strong>In</strong>struments Anticipation<br />
anxiety<br />
Stigma<br />
Psychological<br />
well-being<br />
Vitality Transmissibility Vulnerability<br />
HBQOL total<br />
score<br />
PCS<br />
r = 0.340**<br />
(0.209 to 0.458)<br />
r = 0.230**<br />
(0.101 to 0.367)<br />
r = 0.402**<br />
(0.277 to 0.514)<br />
r = 0.544**<br />
(0.437 to 0.636)<br />
r = 0.057<br />
(-0.084 to 0.196)<br />
r = 0.082<br />
(-0.059 to 0.220)<br />
r = 0.399**<br />
(0.273 to 0.510)<br />
MCS<br />
r = 0.508**<br />
(0.396 to 0.605)<br />
r = 0.506**<br />
(0.393 to 0.603)<br />
r = 0.646**<br />
(0.556 to 0.721)<br />
r = 0.627**<br />
(0.534 to 0.705)<br />
r = 0.179*<br />
(0.040 to 0.312)<br />
r = 0.043<br />
(-0.098 to 0.182)<br />
r = 0.616**<br />
(0.521 to 0.696)<br />
IFS<br />
r = -0.544**<br />
(-0.636 to<br />
-0.437)<br />
r = -0.450**<br />
(-0.555 to -0.330)<br />
r = -0.608**<br />
(-0.689 to<br />
-0.511)<br />
r = -0.681**<br />
(-0.750 to<br />
-0.598)<br />
r = -0.215**<br />
(-0.345 to<br />
-0.077)<br />
r = -0.099<br />
(-0.237 to 0.042)<br />
r = -0.625**<br />
(-0.704 to<br />
-0.531)<br />
Anxiety<br />
r = -0.616**<br />
(-0.696 to<br />
-0.520)<br />
r = -0.511**<br />
(-0.608 to -0.400)<br />
r = -0.625**<br />
(-0.700 to<br />
-0.526)<br />
r = -0.620**<br />
(-0.700 to<br />
-0.526)<br />
r = -0.202**<br />
(-0.333 to<br />
-0.063)<br />
r = -0.171*<br />
(-0.304 to<br />
-0.031)<br />
r = -0.666**<br />
(-0.738 to<br />
-0.580)<br />
Depression<br />
r = -0.492**<br />
(-0.592 to<br />
-0.378)<br />
r = -0.435**<br />
(-0.542 to -0.314)<br />
r = -0.507**<br />
(-0.681 to<br />
-0.499)<br />
r = -0.621**<br />
(-0.701 to<br />
-0.527)<br />
r = -0.190**<br />
(-0.322 to<br />
-0.051)<br />
r = -0.090<br />
(-0.227 to 0.051)<br />
r = -0.587**<br />
(-0.672 to<br />
-0.487)<br />
MOS-SS<br />
r = 0.216*<br />
(0.024 to 0.392)<br />
r = 0.281**<br />
(0.094 to 0.449)<br />
r = 0.366**<br />
(0.187 to 0.522)<br />
r = 0.422**<br />
(0.249 to 0.568)<br />
r = 0.056<br />
(-0.138 to 0.246)<br />
r = -0.045<br />
(-0.235 to 0.149)<br />
r = 0.322**<br />
(0.138 to 0.485)<br />
* = P
Questionnaire Developer(year)<br />
Chronic<br />
Liver Disease<br />
Questionnaire<br />
Hepatitis Quality <strong>of</strong><br />
Life Questionnaire<br />
Liver Disease<br />
Symptoms <strong>In</strong>dex<br />
Liver Disease<br />
Symptoms <strong>In</strong>dex 2.0<br />
Liver Disease<br />
Quality <strong>of</strong> Life<br />
Questionnaire<br />
Hepatitis B<br />
Quality <strong>of</strong> Life<br />
Questionnaire 1.0<br />
Table 6. Comparison <strong>of</strong> HBQOL with o<strong>the</strong>r liver disease-related HRQOL questionnaires.<br />
Younossi et al. 10<br />
(1999)<br />
Bayliss et al. 32<br />
(1998)<br />
Unal et al. 33<br />
(2001)<br />
Van der Plas et<br />
al. 34 (2004)<br />
Gralnek et al. 9<br />
(2000)<br />
Spiegel et al. 11<br />
(2007)<br />
Number <strong>of</strong><br />
questions<br />
29(previous<br />
two weeks)<br />
69<br />
(previous<br />
four weeks)<br />
12<br />
(previous<br />
one week)<br />
18<br />
(previous<br />
one week)<br />
111<br />
(previous<br />
four weeks)<br />
Time<br />
needed to<br />
complete<br />
10 min<br />
with chronic conditions in developing countries is twice as high as<br />
developed countries. 28 Fur<strong>the</strong>rmore, while item F8 was considered<br />
an item <strong>of</strong> psychological well-being in <strong>the</strong> primary study, it was<br />
related to Stigma in <strong>the</strong> present work. <strong>In</strong> a study on HIV patients,<br />
Fife and Wright found four distinct dimensions for stigma: social<br />
rejection, financial insecurity, internalized shame, and social isolation.<br />
29 Of note, because in HBQOL at least three <strong>of</strong> <strong>the</strong>se four<br />
dimensions (o<strong>the</strong>r than financial insecurity) are addressed, this tool<br />
may be considered a disease-specific tool for stigma.<br />
Eight items loaded on to Psychological well-being in our study,<br />
six <strong>of</strong> which were common between our study and <strong>the</strong> study by<br />
Spiegel et al. 11 Two items, sexual activity (F11) and productivity<br />
(F12), loaded on Psychological well-being, while in <strong>the</strong> primary<br />
study F11 loaded on to Transmissibility and F12 loaded on<br />
to Vitality. However, F12 was loaded on Vitality in less educated<br />
patients. Vitality mainly consists <strong>of</strong> items that describe physical<br />
function (as shown by its high correlation with PCS and IFS). Because<br />
educational level is regarded as a key item in socioeconomic<br />
status, it may be interpreted that patients with lower educational<br />
levels rely more on <strong>the</strong>ir physical function to do <strong>the</strong>ir jobs; so <strong>the</strong>y<br />
consider <strong>the</strong>ir productivity as an important consequence <strong>of</strong> <strong>the</strong>ir<br />
physical function, ra<strong>the</strong>r than psychological well-being. Surprisingly,<br />
<strong>the</strong> item “I feel like sexual activity is difficult for me because<br />
<strong>of</strong> hepatitis B” loaded mostly on to Psychological well-being, than<br />
NA<br />
0.6<br />
Unrelated subscale:<br />
0.33<br />
Unrelated subscales:<br />
< 0.6<br />
Related subscales:<br />
0.52 – 0.8<br />
Worse HRQOL is<br />
associated with worse<br />
severity<br />
Related subscales:<br />
0.55<br />
Unrelated subscale<br />
< 0.4<br />
Transmissibility. However, in <strong>the</strong> primary study, <strong>the</strong> loading <strong>of</strong> this<br />
item differed only 0.05 between <strong>the</strong> Psychological well-being and<br />
Transmissibility factors. The highest correlation <strong>of</strong> this item with<br />
o<strong>the</strong>r items in <strong>the</strong> Psychological well-being was: “I feel my life<br />
is less enjoyable because <strong>of</strong> hepatitis B” (r = 0.528). Regarding<br />
<strong>the</strong>se findings, it seemed that our patients’ main concern was less<br />
enjoyable life because <strong>of</strong> difficult sex ra<strong>the</strong>r than <strong>the</strong> transmission<br />
<strong>of</strong> <strong>the</strong> virus to ano<strong>the</strong>r person. Since correlation is not necessarily<br />
indicative <strong>of</strong> causation, such interpretation is a hypo<strong>the</strong>tical one<br />
and needs fur<strong>the</strong>r investigation.<br />
Vitality highly correlated with IFS and PCS scores showing that<br />
this scale is mainly a measure <strong>of</strong> somatic aspect <strong>of</strong> <strong>the</strong> quality <strong>of</strong><br />
life. High relation between Vitality and Depression scores may indicate<br />
a high relation between depression and somatization, particularly<br />
in Iranian patients. 30 As mentioned previously, somatic<br />
symptoms may be <strong>of</strong> major importance in patients with low educational<br />
levels. This may be <strong>the</strong> reason why our low-level educated<br />
patients had more impaired Vitality scores than <strong>the</strong> patients with<br />
high-levels <strong>of</strong> education.<br />
Low Cronbach’s α <strong>of</strong> <strong>the</strong> Vulnerability subscale can be interpreted<br />
in several ways. First, <strong>the</strong> low number <strong>of</strong> items in <strong>the</strong> subscales<br />
can affect this coefficient. Alternatively, it can reflect a low correlation<br />
between two items in <strong>the</strong> factor. Cronbach’s α <strong>of</strong> less than<br />
0.5 is considered unacceptable. 31 Because <strong>the</strong> Cronbach’s α did not<br />
Archives <strong>of</strong> Iranian Medicine, Volume 15, Number 5, May 2012 295
each <strong>the</strong> unacceptable threshold and because this item showed<br />
high discriminatory power, we retained it in <strong>the</strong> final analysis <strong>of</strong><br />
<strong>the</strong> questionnaire. The Viral response item was created by developers<br />
<strong>of</strong> <strong>the</strong> questionnaire using <strong>the</strong> combination <strong>of</strong> Transmissibility<br />
and Vulnerability. 11 Although this item also showed discriminatory<br />
power in our study, this was a result <strong>of</strong> <strong>the</strong> Vulnerability factor<br />
ra<strong>the</strong>r than <strong>the</strong> whole subscale.<br />
There are multiple liver (but not CHBV)-specific HRQOL instruments<br />
available in <strong>the</strong> literature. 9–11,32-34 The most important possible<br />
superiority <strong>of</strong> <strong>the</strong> HBQOL compared with o<strong>the</strong>r instruments<br />
is that it is CHBV-specific. Thereby as shown by Spiegel et al. 11<br />
and <strong>the</strong> present study, HBQOL is more likely to detect changes in<br />
health status in this subset <strong>of</strong> patients. This may justify its use in<br />
clinical trials, although this statement definitely requires more evidence.<br />
Because <strong>of</strong> its nature (i.e., being disease-specific), HBQOL<br />
is unable to address HRQOL in patients with o<strong>the</strong>r diseases; thus<br />
it cannot be used for comparison among <strong>the</strong> patients with diseases<br />
o<strong>the</strong>r than CHBV. Table 6 provides a comparison between<br />
HBQOL and o<strong>the</strong>r liver disease-related instruments.<br />
The present study had several strengths. The adequate sample<br />
size for this design minimized <strong>the</strong> probability <strong>of</strong> type II error, as<br />
mentioned in Materials and Methods. The adequate sample size<br />
was also confirmed by Bartlett’s test <strong>of</strong> sphericity and <strong>the</strong> KMO<br />
test. Supervision to ensure completion <strong>of</strong> questionnaires additionally<br />
streng<strong>the</strong>ned our study. Ano<strong>the</strong>r advantage <strong>of</strong> our study was<br />
<strong>the</strong> comparison <strong>of</strong> HBQOL and its subscales with several instruments<br />
that measured similar constructs, to ensure its convergent<br />
validity as well as <strong>the</strong> use <strong>of</strong> different constructs to ensure divergent<br />
validity. Exhaustive construct validation in <strong>the</strong> present study<br />
toge<strong>the</strong>r with <strong>the</strong> extensive content validation process performed<br />
in <strong>the</strong> study by Spiegel et al. 11 provided substantial evidence for <strong>the</strong><br />
validity <strong>of</strong> HBQOL. Moreover, both studies showed <strong>the</strong> HBQOL<br />
to be reliable in most <strong>of</strong> its dimensions by test-retest and Cronbach’s<br />
α.<br />
Our study had also some limitations. The cross-sectional design<br />
did not allow us to measure <strong>the</strong> change in <strong>the</strong> scores <strong>of</strong> HBQOL<br />
(i.e., responsiveness testing). Regarding generalizability, although<br />
<strong>the</strong> study was undertaken in one clinic, <strong>the</strong> sample size <strong>of</strong> this<br />
study could be considered a representative <strong>of</strong> Iranian patients, both<br />
because diverse ethnic groups live in Tehran and because our clinic<br />
is a referral center that accepts patients from throughout Iran. 14<br />
Conclusion<br />
The Iranian version <strong>of</strong> HBQOL v1.0 is a psychometrically sound<br />
measure with acceptable validity, reliability, and factor structure<br />
and can distinguish between different clinical conditions. Fur<strong>the</strong>r<br />
studies for longitudinal assessment <strong>of</strong> this instrument, particularly<br />
in clinical trials, are warranted. <strong>In</strong> addition, studies in o<strong>the</strong>r cultures<br />
and languages can generalize <strong>the</strong> administration <strong>of</strong> HBQOL as a<br />
useful tool to assess <strong>the</strong> HRQOL in patients with CHBV.<br />
Conflict <strong>of</strong> interests: None<br />
Financial support: Digestive Disease Research Center, Tehran<br />
University <strong>of</strong> Medical Sciences, Tehran, Iran<br />
Acknowledgement<br />
We thank Dr. Ali Montazeri for his assistance in providing HADS<br />
and SF-36 questionnaires and his kind advice for improvement <strong>of</strong><br />
296 Archives <strong>of</strong> Iranian Medicine, Volume 15, Number 5, May 2012<br />
<strong>the</strong> paper.<br />
References<br />
A.Poorkaveh, A. Modabbernia, M. Ashrafi et al.<br />
1. Younossi ZM. Chronic liver disease and health-related quality <strong>of</strong> life.<br />
Gastroenterology. 2001; 120(1): 305 – 307.<br />
2. Svirtlih N, Pavic S, Terzic D, Delic D, Simonovic J, Gvozdenovic E,<br />
et al. Reduced quality <strong>of</strong> life in patients with chronic viral liver disease<br />
as assessed by SF12 questionnaire. J Gastrointestin Liver Dis. 2008;<br />
17(4): 405 – 409.<br />
3. Modabbernia A, Ashrafi M, Keyvani H, Taslimi S, Poorkaveh A, Merat<br />
S, et al. Brain-derived neurotrophic factor predicts physical health in<br />
untreated patients with hepatitis C. Biol Psychiatry. 2011; 70(5): e31<br />
– e32.<br />
4. Ong SC, Mak B, Aung MO, Li SC, Lim SG. Health-related quality<br />
<strong>of</strong> life in chronic hepatitis B patients. Hepatology. 2008; 47(4): 1108<br />
– 1117.<br />
5. Lam ET, Lam CL, Lai CL, Yuen MF, Fong DY, So TM. Health-related<br />
quality <strong>of</strong> life <strong>of</strong> Sou<strong>the</strong>rn Chinese with chronic hepatitis B infection.<br />
Health Qual Life Outcomes. 2009; 7: 52.<br />
6. Sepanlou SG, Kamangar F, Poustchi H, Malekzadeh R. Reducing <strong>the</strong><br />
burden <strong>of</strong> chronic diseases: A neglected agenda in Iranian health care<br />
system, requiring a plan for action. Arch Iran Med. 2010; 13(4): 340<br />
– 350.<br />
7. Patrick DL, Deyo RA. Generic and disease-specific measures in<br />
assessing health status and quality <strong>of</strong> life. Med Care. 1989; 27(3<br />
Suppl):S217-32.<br />
8. Lam ET, Lam CL, Lai CL, Yuen MF, Fong DY. Psychometrics <strong>of</strong><br />
<strong>the</strong> chronic liver disease questionnaire for Sou<strong>the</strong>rn Chinese patients<br />
with chronic hepatitis B virus infection. World J Gastroenterol. 2009;<br />
15(26): 3288 – 3297.<br />
9. Gralnek IM, Hays RD, Kilbourne A, Rosen HR, Keeffe EB, Artinian<br />
L, et al. Development and evaluation <strong>of</strong> <strong>the</strong> Liver Disease Quality <strong>of</strong><br />
Life instrument in persons with advanced, chronic liver disease--<strong>the</strong><br />
LDQOL 1.0. Am J Gastroenterol. 2000; 95(12): 3552 – 3565.<br />
10. Younossi ZM, Guyatt G, Kiwi M, Boparai N, King D. Development<br />
<strong>of</strong> a disease specific questionnaire to measure health related quality <strong>of</strong><br />
life in patients with chronic liver disease. Gut. 1999; 45(2): 295 – 300.<br />
11. Spiegel BM, Bolus R, Han S, Tong M, Esrailian E, Talley J, et al. Development<br />
and validation <strong>of</strong> a disease-targeted quality <strong>of</strong> life instrument<br />
in chronic hepatitis B: The hepatitis B quality <strong>of</strong> life instrument,<br />
version 1.0. Hepatology. 2007; 46(1): 113 – 121.<br />
12. World Health Organization. Process <strong>of</strong> translation and adaptation <strong>of</strong> instruments<br />
Available from URL: http://www.who.int/substance_abuse/<br />
research_tools/translation/en/. Accessed January 2009<br />
13. Ware JE, Jr., Sherbourne CD. The MOS 36-item short-form health survey<br />
(SF-36). I. Conceptual framework and item selection. Med Care.<br />
1992; 30(6): 473 – 483.<br />
14. Montazeri A, Goshtasebi A, Vahdaninia M, Gandek B. The Short Form<br />
Health Survey (SF-36): Translation and validation study <strong>of</strong> <strong>the</strong> Iranian<br />
version. Qual Life Res. 2005; 14(3): 875 – 882.<br />
15. Hartz A, Bentler S, Watson D. Measuring fatigue severity in primary<br />
care patients. J Psychosom Res. 2003; 54(6): 515 – 521.<br />
16. Zigmond AS, Snaith RP. The hospital anxiety and depression scale.<br />
Acta Psychiatr Scand. 1983; 67(6): 361 – 370.<br />
17. Montazeri A, Vahdaninia M, Ebrahimi M, Jarvandi S. The Hospital<br />
Anxiety and Depression Scale (HADS): Translation and validation<br />
study <strong>of</strong> <strong>the</strong> Iranian version. Health Qual Life Outcomes. 2003; 1: 14.<br />
18. VanVoorhis CRW, Morgan BL. Understanding power and rules <strong>of</strong><br />
thumb for determining sample sizes. Tutorial Quant Meth Psychol.<br />
2007; 3(2): 43 – 50.<br />
19. Green SB. How many subjects does it take to do a regression analysis?<br />
Multivar Behav Res. 1991; 26: 499 – 510.<br />
20. Floyd FJ, Widaman KF. Factor analysis in <strong>the</strong> development and refinement<br />
<strong>of</strong> clinical assessment instruments. Psychol Assessment. 1995;<br />
7(3): 286-299.<br />
21. Terwee CB, Bot SD, de Boer MR, van der Windt DA, Knol DL, Dekker<br />
J, et al. Quality criteria were proposed for measurement properties <strong>of</strong><br />
health status questionnaires. J Clin Epidemiol. 2007; 60(1): 34 – 42.<br />
22. Weir JP. Quantifying test-retest reliability using <strong>the</strong> intraclass correlation<br />
coefficient and <strong>the</strong> SEM. J Strength Cond Res. 2005; 19(1): 231<br />
– 240.<br />
23. Campbell DT, Fiske DW. Convergent and discriminant validation by<br />
<strong>the</strong> multitrait-multimethod matrix. Psychol Bull. 1959; 56(2): 81 – 105.<br />
24. Bagozzi RP, Yi Y, Phillips LW. Assessing construct validity in organi-
zational research. Admin Sci Quart. 1991; 36: 421 – 458.<br />
25. Peter JP. Construct validity: A review <strong>of</strong> basic issues and marketing<br />
practices. J Marketing Res. 1981; 18: 133 – 145.<br />
26. Nunnally JC BI. Psychometric Theory. 3rd ed. New York: McGraw-<br />
Hill; 1994.<br />
27. Baiardini I, Pasquali M, Braido F, Fumagalli F, Guerra L, Compalati E,<br />
et al. A new tool to evaluate <strong>the</strong> impact <strong>of</strong> chronic urticaria on quality <strong>of</strong><br />
life: Chronic urticaria quality <strong>of</strong> life questionnaire (CU-QoL). Allergy.<br />
2005; 60(8): 1073 – 1078.<br />
28. Alonso J, Buron A, Bruffaerts R, He Y, Posada-Villa J, Lepine JP, et<br />
al. Association <strong>of</strong> perceived stigma and mood and anxiety disorders:<br />
Results from <strong>the</strong> World Mental Health Surveys. Acta Psychiatr Scand.<br />
2008; 118(4): 305 – 314.<br />
29. Fife BL, Wright ER. The dimensionality <strong>of</strong> stigma: A comparison <strong>of</strong> its<br />
impact on <strong>the</strong> self <strong>of</strong> persons with HIV/AIDS and cancer. J Health Soc<br />
Behav. 2000; 41(1): 50 – 67.<br />
30. Pliskin KL. Dysphoria and somatization in Iranian culture. West J Med.<br />
Validity, Reliability and Factor Structure <strong>of</strong> HBQOL V1.0<br />
1992; 157(3): 295 – 300.<br />
31. Gliem, J.A., and Gliem, R.R. Calculating, <strong>In</strong>terpreting, and Reporting<br />
Cronbach’s Alpha Reliability Coefficient for Likert-Type Scales. <strong>In</strong><br />
Midwest Research to Practice Conference in Adult, Continuing, and<br />
Community Education. Ohio: Ohio State University. 2003; 82-88.<br />
32. Bayliss MS, Gandek B, Bungay KM, Sugano D, Hsu MA, Ware JE, Jr.<br />
A questionnaire to assess <strong>the</strong> generic and disease-specific health outcomes<br />
<strong>of</strong> patients with chronic hepatitis C. Qual Life Res. 1998; 7(1):<br />
39 – 55.<br />
33. Unal G, de Boer JB, Borsboom GJ, Brouwer JT, Essink-Bot M, de<br />
Man RA. A psychometric comparison <strong>of</strong> health-related quality <strong>of</strong> life<br />
measures in chronic liver disease. J Clin Epidemiol. 2001; 54(6): 587<br />
– 596.<br />
34. van der Plas SM, Hansen BE, de Boer JB, Stijnen T, Passchier J, de<br />
Man RA, etal. The Liver Disease Symptom <strong>In</strong>dex 2.0; validation <strong>of</strong><br />
a disease-specific questionnaire. Qual Life Res .2004; 13:1469-1481.<br />
A view <strong>of</strong> Persepolis – Achaemenid Empire (c.550 – 331 BCE), around 60 Km nor<strong>the</strong>ast <strong>of</strong> Shiraz-Iran (Photo by M.H. Azizi MD)<br />
Archives <strong>of</strong> Iranian Medicine, Volume 15, Number 5, May 2012 297
298 Archives <strong>of</strong> Iranian Medicine, Volume 15, Number 5, May 2012<br />
Original Article<br />
A New Technical Approach to Cancers <strong>of</strong> <strong>the</strong> Cervical Esophagus<br />
Novin Nikbakhsh MD• 1 , Farrokh Saidi MD, FACS, FRCS 2 , Hossein Fahimi MD 3<br />
Abstract<br />
Background: The aim <strong>of</strong> this study was to assess <strong>the</strong> possibility <strong>of</strong> a primary end-to-end pharyngoesophageal anastomosis after standard<br />
tumor resection <strong>of</strong> <strong>the</strong> cervical esophagus by acute flexion <strong>of</strong> <strong>the</strong> neck.<br />
Methods: A total <strong>of</strong> 34 consecutive patients with primary cervical esophageal cancer, none having received prior radio- or chemo<strong>the</strong>rapy,<br />
were treated by two methods based on intraoperative findings. <strong>In</strong> 18 patients, reconstruction after esophageal resection was carried out by<br />
<strong>the</strong> standard gastric pull-through technique (control group). <strong>In</strong> 16 patients, acute flexion <strong>of</strong> <strong>the</strong> neck after tumor resection allowed for reconstruction<br />
by primary end-to-end pharyngoesophagostomy (experimental group).<br />
Results: There was no operative mortality in ei<strong>the</strong>r group. The mean operative time for <strong>the</strong> experimental group was about 50 minutes less<br />
compared to <strong>the</strong> control group. Self-limited postoperative anastomotic leakage in <strong>the</strong> neck was twice as common in <strong>the</strong> experimental group.<br />
Postoperative dysphagia was about three times as common in <strong>the</strong> experimental group [5 patients (31%)] compared to <strong>the</strong> control group [2<br />
patients (11%)].<br />
Conclusion: <strong>In</strong> selected cases, segmental resection <strong>of</strong> primary cervical esophageal cancers reconstructed by end-to-end pharyngoesophagostomy<br />
is technically feasible by bending <strong>the</strong> neck acutely forward during anastomosis and maintaining it in <strong>the</strong> flexed position during a<br />
postoperative period <strong>of</strong> about 7 days. The advantages are reduced scope and duration <strong>of</strong> <strong>the</strong> operation. The downside is doubling <strong>of</strong> <strong>the</strong><br />
frequency <strong>of</strong> postoperative cervical leakage.<br />
Keywords: Cervical esophagus, esophageal cancer, squamous cell carcinoma<br />
Cite this article as: Nikbakhsh N, Saidi F, Fahimi H. A New Technical Approach to Cancers <strong>of</strong> <strong>the</strong> Cervical Esophagus. Arch Iran Med. 2012; 15(5): 298 – 302.<br />
<strong>In</strong>troduction<br />
About 6% <strong>of</strong> esophageal cancers arise from <strong>the</strong> cervical segment<br />
lying between <strong>the</strong> cricopharyngeus and <strong>the</strong> thoracic<br />
inlet; 1 <strong>the</strong> vast majority are squamous cell carcinomas. At<br />
presentation, one-third <strong>of</strong> patients have extension <strong>of</strong> <strong>the</strong> tumor beyond<br />
<strong>the</strong> confines <strong>of</strong> <strong>the</strong> esophagus and in one-fifth, <strong>the</strong> trachea or<br />
vocal cords are involved. 1,2 The reported operative mortality ranges<br />
from 5% to 31%, 3,4 and 7% to 37% <strong>of</strong> patients have postoperative<br />
anastomotic leakage. 3, 4 Nei<strong>the</strong>r mortality nor recurrence rates can<br />
be improved upon by removal <strong>of</strong> <strong>the</strong> entire length <strong>of</strong> <strong>the</strong> esophagus.<br />
5 Old reconstructive techniques consisted <strong>of</strong> fashioning a full<br />
thickness skin tube in <strong>the</strong> neck (Wookey procedure) or interposition<br />
<strong>of</strong> free jejunal grafts. Both procedures were time consuming<br />
and cumbersome, and have been abandoned. 3,6<br />
Surgical management <strong>of</strong> cervical esophageal cancer differs from<br />
that <strong>of</strong> o<strong>the</strong>r portions <strong>of</strong> <strong>the</strong> esophagus in two major aspects. Removal<br />
<strong>of</strong> <strong>the</strong> larynx with permanent loss <strong>of</strong> phonation is unavoidable,<br />
and reconstruction by gastric pull-up greatly expands <strong>the</strong><br />
scope <strong>of</strong> <strong>the</strong> surgery.<br />
For <strong>the</strong>se two reasons, chemo-radio<strong>the</strong>rapy has replaced surgery<br />
in many centers as <strong>the</strong> preferred treatment modality. Overall survival<br />
has not improved, however, nor has <strong>the</strong> rate <strong>of</strong> local recurrence<br />
diminished.<br />
A recent study has shown locoregional relapse-free survival be-<br />
Authors’ Affiliations: 1 Babol University <strong>of</strong> Medical Sciences, Babol, Iran, 2 Beheshti<br />
University <strong>of</strong> Medical Sciences, Tehran, Iran, 3 Mehr Hospital, Tehran, Iran.<br />
•Corresponding author and reprints: Novin Nikbakhsh MD, Department. <strong>of</strong><br />
Thoracic Surgery, Beheshti Hospital, Babol University <strong>of</strong> Medical Sciences,<br />
Babol, Iran.Tel. +98-9111227003, Fax: +98-1113232665<br />
Accepted for publication: 24 August 2011<br />
tween 36% – 73% after curative chemoradio<strong>the</strong>rapy in a 2-year<br />
rate. 7 <strong>In</strong> <strong>the</strong>se circumstances <strong>the</strong> management <strong>of</strong> local recurrence,<br />
fur<strong>the</strong>rmore, becomes hazardous and technically demanding because<br />
<strong>of</strong> prior radio<strong>the</strong>rapy. 8–11 Death occurs by suffocation or massive<br />
local bleeding and rarely because <strong>of</strong> distant metastases.<br />
The purpose <strong>of</strong> this study was to evaluate <strong>the</strong> practicality <strong>of</strong> an<br />
end-to-end esophageal anastomosis in <strong>the</strong> neck after tumor resection,<br />
<strong>the</strong>reby lowering <strong>the</strong> extent <strong>of</strong> surgical trauma associated with<br />
formal laparotomy, mobilization, and transfer <strong>of</strong> <strong>the</strong> stomach to<br />
<strong>the</strong> neck. There has been, unintentionally, refutation <strong>of</strong> <strong>the</strong> axiom<br />
against primary end-to-end anastomosis anywhere along <strong>the</strong><br />
esophageal length.<br />
Patients and Methods<br />
N. Nikbakhsh, F. Saidi, H. Fahimi<br />
Between March 2001 and September 2008, a total <strong>of</strong> 34 consecutive<br />
patients with primary, biopsy proven squamous cell carcinoma<br />
<strong>of</strong> <strong>the</strong> cervical esophagus were admitted to <strong>the</strong> teaching hospitals<br />
<strong>of</strong> Beheshti University <strong>of</strong> Medical Sciences, Tehran and Babol<br />
University <strong>of</strong> Medical Sciences, Babol, Iran. None <strong>of</strong> <strong>the</strong> patients<br />
(15 males and 19 females; age range: 56 to 74 years) that enrolled<br />
in <strong>the</strong> study had any co-morbidities or received prior chemoradio<strong>the</strong>rapy.<br />
Permission for <strong>the</strong> study was granted by <strong>the</strong> <strong>In</strong>stitutional<br />
Review Board <strong>of</strong> <strong>the</strong> respective universities, and informed consent<br />
was obtained from all patients after full explanation <strong>of</strong> <strong>the</strong> two<br />
technical approaches being considered. The need for permanent<br />
tracheostomy was explained, <strong>the</strong> psychological impact <strong>of</strong> permanent<br />
aphonia lessened by demonstrating one <strong>of</strong> <strong>the</strong> currently available<br />
hand-held mechanical speech devices.<br />
The decision regarding <strong>the</strong> manner <strong>of</strong> reconstruction was deferred<br />
until <strong>the</strong> resection was completed, in <strong>the</strong> following manner:
Patient’s numbers<br />
Male<br />
Sex<br />
Female<br />
Age<br />
(mean±SD)<br />
Gastric bypass n=18 n=8 (44%) n=10 (56%) 64.5±8<br />
Neck flexion n=16 n=7 (44%) n=9 (56%) 65.3±9<br />
With <strong>the</strong> patient in <strong>the</strong> semi-sitting supine position, a mid-cervical<br />
collar incision allowed <strong>the</strong> lower skin flap to be opened enough<br />
to accommodate <strong>the</strong> permanent tracheostomy opening. The strap<br />
muscles were transected, and <strong>the</strong> exploratory finger inserted in <strong>the</strong><br />
plane between <strong>the</strong> esophagus and anterior vertebral fascia. Obliteration<br />
<strong>of</strong> this space, which may not have been fully apparent on<br />
preoperative CT scans, meant unresectability <strong>of</strong> <strong>the</strong> lesion, as did<br />
gross involvement <strong>of</strong> <strong>the</strong> carotid vessels. The trachea was transected<br />
distal to <strong>the</strong> specimen in a beveled manner for tension-free<br />
accommodation to <strong>the</strong> skin aperture in <strong>the</strong> center <strong>of</strong> <strong>the</strong> lower skin<br />
flap. A prepared sterile endotracheal tube was inserted into <strong>the</strong> new<br />
tracheal opening (end- tracheostomy), which replaced <strong>the</strong> initial<br />
orally inserted endotracheal tube.<br />
Staying in <strong>the</strong> midline, <strong>the</strong> thyroid lobes and attached parathyroids<br />
were displaced laterally to avoid injury. The larynx and<br />
proximal trachea attached to <strong>the</strong> cervical portion <strong>of</strong> <strong>the</strong> esophagus<br />
where <strong>the</strong> tumor was located and mobilized in preparation for<br />
transection, superiorly at <strong>the</strong> level <strong>of</strong> <strong>the</strong> hyoid bone and inferiorly<br />
at a distance above <strong>the</strong> thoracic inlet. Having superiorly entered<br />
<strong>the</strong> pharynx and sacrificing <strong>the</strong> epiglottis, <strong>the</strong> specimen could be<br />
lifted <strong>of</strong>f its base to allow for transection <strong>of</strong> <strong>the</strong> esophagus inferiorly<br />
above <strong>the</strong> thoracic inlet with a grossly tumor-free margin.<br />
Multiple biopsies were taken from <strong>the</strong> two open ends <strong>of</strong> <strong>the</strong> phar-<br />
Table 1. Patients’ characteristics<br />
Gastric bypass group (n=18) Neck flexion group (n=16)<br />
T statusa T1 ---- ----<br />
T2 1 (6%) 2<br />
T3 10 (55%) 8<br />
T4<br />
N status<br />
7 (39%) 6<br />
a<br />
N0 5 4<br />
N1<br />
M status<br />
13 12<br />
a<br />
M0 18 16<br />
M1<br />
Stage<br />
---- ----<br />
a<br />
I ---- ----<br />
II 6 (35%) 4 (25%)<br />
III 11 (59%) 12 (75%)<br />
IV<br />
Residual disease<br />
1 (6%) ----<br />
R0 16 (89%) 15 (94%)<br />
R1 2 (11%) 1 (6%)<br />
R0 = no residual tumor; R1 = microscopically residual tumor; a Table 2. Tumor characteristics in <strong>the</strong> two groups.<br />
According to <strong>the</strong> TNM system (AJCC, 2002)<br />
Table 3. Hospital morbidity and mortality.<br />
A New Technique in Cervical Esophagus Cancer<br />
Complications Gastric bypass Neck flexion P value<br />
Minor anastomotic leak a 2 (11%) 4 (25%) 0.387<br />
Major anastomotic leak b 1 (6%) 2 (13%) 0.591<br />
Cardiac arrhythmias 5 (28%) 1 (6%) 0.180<br />
Respiratory failure 0 0 -------<br />
Blood transfusion required 2 (11%) 0 0.487<br />
Late stricture with dysphagia 2 (11%) 5 (31%) 0.214<br />
a Anastomotic leaks apparent after <strong>the</strong> seventh postoperative day; b Anastomotic leaks apparent before <strong>the</strong> seventh postoperative day.<br />
Table 4. Patterns <strong>of</strong> recurrence.<br />
Recurrence pattern Gastric bypass (n=18) Neck flexion group (n=16) P value<br />
Locoregional 2 (11%) 3 (19%) 0.648<br />
Distant 4 (22%) 3 (19%) 1.000<br />
Both 1 (6%) 2 (13%) 0.591<br />
ynx (above) and <strong>the</strong> esophagus (below) to ensure microscopically<br />
tumor-free edges. No attempt was made to mobilize any portion <strong>of</strong><br />
<strong>the</strong> remaining distal esophagus, ei<strong>the</strong>r laterally from its bed or inferiorly<br />
into <strong>the</strong> thorax. The only tension-releasing maneuver used<br />
consisted <strong>of</strong> gentle finger dissection around <strong>the</strong> open stump <strong>of</strong> <strong>the</strong><br />
pharynx, allowing for about 2 to 3 centimeters <strong>of</strong> downward displacement<br />
<strong>of</strong> <strong>the</strong> pharyngeal opening to be used for anastomosis.<br />
Visible and palpable lymph nodes were removed, but no formal<br />
neck dissection was performed.<br />
With <strong>the</strong> specimen removed and <strong>the</strong> neck in <strong>the</strong> normal anatomic<br />
position, <strong>the</strong> resulting anatomic defect in <strong>the</strong> neck was measured<br />
with calipers. A gap <strong>of</strong> 8 centimeters or less suggested that a tension<br />
free, end-to-end anastomosis might succeed, but was verified<br />
by a somewhat more reliable maneuver, as follows:<br />
Pulling gently on two previously placed traction sutures on <strong>the</strong><br />
sides <strong>of</strong> <strong>the</strong> pharyngeal opening (above) and <strong>the</strong> esophageal opening<br />
(inferior), an unscrubbed assistant would grasp <strong>the</strong> back <strong>of</strong><br />
<strong>the</strong> patient’s head and gently flex it forward to a maximal, but not<br />
forced degree (Figures 1, 2). The degree <strong>of</strong> final tension that would<br />
be transferred on <strong>the</strong> anastomosis could subjectively assessed by<br />
noting how readily <strong>the</strong> traction sutures would come toge<strong>the</strong>r while<br />
flexing <strong>the</strong> neck. If <strong>the</strong> caliper measured defect was greater than 8<br />
centimeters or <strong>the</strong> neck flexion maneuver indicated an intolerable<br />
Archives <strong>of</strong> Iranian Medicine, Volume 15, Number 5, May 2012 299
Figure 1. Operative X-ray with neck in <strong>the</strong> neutral position showing a hemostat<br />
on <strong>the</strong> lower rim <strong>of</strong> <strong>the</strong> proximal remnant <strong>of</strong> <strong>the</strong> esophageal segment,<br />
with ano<strong>the</strong>r hemostat on <strong>the</strong> sternal angle.<br />
tension at <strong>the</strong> anastomosis, a transhiatal gastric pull-up would be<br />
undertaken. O<strong>the</strong>rwise, primary end-to-end anastomosis was performed<br />
in <strong>the</strong> following manner:<br />
With <strong>the</strong> head brought back to its normal anatomic position, a<br />
posterior followed by an anterior row <strong>of</strong> interrupted 2-0 Vicryl ®<br />
sutures (0.5 centimeters apart) were placed and kept in sequential<br />
order, but not tied. The neck was fully flexed as described, essentially<br />
obscuring <strong>the</strong> site <strong>of</strong> anastomosis. Tying down <strong>the</strong> sutures,<br />
beginning with <strong>the</strong> posterior row, was carried out in a blind manner<br />
relying on <strong>the</strong> sense <strong>of</strong> touch in deciding <strong>the</strong> minimal degree<br />
<strong>of</strong> tension needed to bring <strong>the</strong> two open ends <strong>of</strong> <strong>the</strong> gullet toge<strong>the</strong>r.<br />
If any doubt existed, <strong>the</strong> anastomosis was not completed, but reconstruction<br />
shifted to <strong>the</strong> gastric pull-up procedure. The anastomosis<br />
was not tested for leaks by ei<strong>the</strong>r air or saline insufflations.<br />
At <strong>the</strong> end <strong>of</strong> <strong>the</strong> anastomosis, having maintained <strong>the</strong> head in <strong>the</strong><br />
flexed position, <strong>the</strong> strap muscles were re-approximated and <strong>the</strong><br />
300 Archives <strong>of</strong> Iranian Medicine, Volume 15, Number 5, May 2012<br />
Figure 2. Same patient. The neck has now been flexed about 45° forward,<br />
bringing <strong>the</strong> two hemostats much closer toge<strong>the</strong>r.<br />
Figure 3. Overall survival curve.<br />
N. Nikbakhsh, F. Saidi, H. Fahimi<br />
skin closed in two layers without drainage. A feeding jejunostomy<br />
was placed through a limited laparotomy incision, to be used on<br />
<strong>the</strong> first postoperative day. A stout chin suture fur<strong>the</strong>r assured that<br />
<strong>the</strong> neck would be kept in <strong>the</strong> flexed position during <strong>the</strong> entire<br />
postoperative period <strong>of</strong> 7 days. The endotracheal tube, its balloon<br />
deflated, was kept in place for about 2 days to ensure access for<br />
<strong>the</strong> tracheobronchial toilet as needed. When signs <strong>of</strong> leakage such<br />
as cervical wound ery<strong>the</strong>ma or drainage were seen, we performed<br />
a dilute barium study to verify leakage. Its management was by<br />
cervical wound opening, dressing and nutrition via a jejunostomy<br />
tube. The mean duration <strong>of</strong> leakage in <strong>the</strong> neck flexion group was<br />
5 days for minor anastomotic leak (anastomotic leaks became apparent<br />
after <strong>the</strong> seventh postoperative day) and 10 days for major<br />
anastomotic leak (anastomotic leaks became apparent before<br />
<strong>the</strong> seventh postoperative day). During <strong>the</strong> leakage period, mouth<br />
washing with normal saline and oral intake <strong>of</strong> metronidazole syrup
was prescribed. After 5 days, in all leakage cases, oral nutrition<br />
was started with liquids and metronidazole syrup. Swallowing<br />
was achieved in all <strong>of</strong> <strong>the</strong>se patients.<br />
Statistical analyses<br />
Survival analyses were performed using <strong>the</strong> Kaplan–Meier method.<br />
Comparisons <strong>of</strong> survival between groups were assessed by <strong>the</strong><br />
log-rank test. Differences in clinicopathologic variables among<br />
various groups were calculated using <strong>the</strong> chi 2 test, Fisher exact<br />
test, and student t-test when appropriate. Multivariate analysis with<br />
a stepwise Cox regression model was conducted to evaluate <strong>the</strong><br />
independent prognostic factors. A P value <strong>of</strong> less than 0.05 was<br />
considered significant. All analyses were performed with SPSS<br />
s<strong>of</strong>tware version 11.0 (SPSS, <strong>In</strong>c., Chicago, IL).<br />
Results<br />
A total number <strong>of</strong> 34 patients (55.9% female; mean age ± SD:<br />
64.9 ± 4.9; range: 56 – 74 years) were enrolled in <strong>the</strong> study during<br />
a 90 month period. The mean total surgical time ± SD was 196.6<br />
± 28.0 minutes. Patients and tumor characteristics are shown in<br />
Tables 1 and 2.<br />
There was no significant relationship between sex and <strong>the</strong> two<br />
surgery type groups (P = 0.9), nor was seen between <strong>the</strong> mean patients`<br />
age and two surgery type groups (P = 0.7). Analysis <strong>of</strong> patients’<br />
process data also indicated that <strong>the</strong> mean surgical time(min)<br />
± SD in <strong>the</strong> standard gastric pull-through technique group was<br />
220.3 ± 14.0 and in <strong>the</strong> primary end-to-end pharyngoesophagostomy<br />
group, it was 170.0 ± 8.9, which was significant (P < 0.001).<br />
Overall, <strong>the</strong>re was no significant relationship between sex and<br />
mean time (P = 0.9).<br />
A noticeable issue in this study was <strong>the</strong> weak reverse-correlation<br />
between duration <strong>of</strong> surgery and age <strong>of</strong> patients (Pearson correlation:<br />
-0.072), however this relationship was not significant (P =<br />
0.8).<br />
Outcome details for both <strong>the</strong> ‘gastric bypass’ and <strong>the</strong> ‘neck flexion’<br />
techniques <strong>of</strong> reconstruction are summarized in Table 3.<br />
One patient in <strong>the</strong> gastric bypass group had a splenectomy because<br />
<strong>of</strong> inadvertent trauma to <strong>the</strong> spleen, and two patients required<br />
blood transfusions. The mean duration <strong>of</strong> hospital stay was<br />
similar for both groups, 15 days (10 – 30 days) in <strong>the</strong> neck flexion<br />
group and 12 days (10 – 20 days) in <strong>the</strong> standard method group.<br />
There was no mortality in ei<strong>the</strong>r group. There was no need for<br />
conversion once <strong>the</strong> neck flexion technique had been decided<br />
upon at completion <strong>of</strong> resection. This lent weight to <strong>the</strong> reliability<br />
<strong>of</strong> simple inspection and palpation in assessing anastomotic tension.<br />
There was local tumor recurrence in 7 (39%) patients in <strong>the</strong> control<br />
group and 8 (51%) patients in <strong>the</strong> experimental group, with<br />
a mean delay <strong>of</strong> 16 months postoperatively (range: 3-80 months).<br />
Two patients in <strong>the</strong> control group developed tumor recurrence in<br />
<strong>the</strong> pulled-up stomach. Patterns <strong>of</strong> recurrence are depicted in Table<br />
4. Overall actuarial survival in both groups is shown in Figure 3.<br />
We could complete follow-up in all 34 patients. Of <strong>the</strong> 16 patients<br />
in <strong>the</strong> control group, 7 patients (40%) died <strong>of</strong> disease (locoregional<br />
and distant metastasis), 4 patients died from cardiovascular diseases,<br />
1 patient died due to a car accident and 4 patients were alive<br />
and disease free. <strong>In</strong> <strong>the</strong> experimental group, 8 patients (50%) died<br />
because <strong>of</strong> disease (locoregional and distant metastasis), 2 patients<br />
died because <strong>of</strong> cerebrovascular accident, 3 patients died because<br />
<strong>of</strong> cardiovascular disease, and 4 patients were alive without disease.<br />
The cause <strong>of</strong> death in <strong>the</strong> remaining patient was unknown.<br />
Discussion<br />
A New Technique in Cervical Esophagus Cancer<br />
This study showed <strong>the</strong> feasibility <strong>of</strong> primary pharyngoesophagostomy<br />
by neck flexion with overall lower morbidity than <strong>the</strong><br />
standard method. As shown in Table 3, a doubling <strong>of</strong> postoperative<br />
anastomosis leakage and late stricture in our study was <strong>of</strong>fset by<br />
significant saving <strong>of</strong> operative time and avoidance <strong>of</strong> complications<br />
with <strong>the</strong> gastric pull-up procedure.<br />
Most studies 12–16 prefer gastric transposition as <strong>the</strong> best surgical<br />
technique for restoring alimentary continuity after laryngopharyngectomy.<br />
Ayshford et al. have reported that 58% <strong>of</strong> British surgeons<br />
elected gastric pull-up as <strong>the</strong>ir favorite method 17 <strong>of</strong> restoring<br />
alimentary continuity after cervical esophageal reconstruction. The<br />
mortality rate ranged from 5% to 31% and anastomotic leakage<br />
rate ranged from 7% to 37%. Sullivan and associates have reported<br />
results <strong>of</strong> 32 consecutive pharyngogastric reconstructions with a<br />
12% mortality rate and anastomotic leakage rate <strong>of</strong> 31%. 18<br />
An unavoidable loss <strong>of</strong> <strong>the</strong> larynx has, understandably, swayed<br />
many surgeons towards chemoradio<strong>the</strong>rapy in managing primary<br />
cancers <strong>of</strong> <strong>the</strong> cervical esophagus. The benefits <strong>of</strong> chemoradio<strong>the</strong>rapy<br />
for lower-end esophageal cancers are being assessed, 19–21 but<br />
<strong>the</strong> results are not necessarily applicable to upper-end esophageal<br />
cancers. Any attempt, <strong>the</strong>refore, at ameliorating <strong>the</strong> plight <strong>of</strong> patients<br />
afflicted with cervical esophageal cancer would seem justified.<br />
Reverting to a completely surgical approach initially has <strong>the</strong><br />
benefit <strong>of</strong> facilitating reoperations for local recurrence, something<br />
which would be technically difficult and hazardous after radio<strong>the</strong>rapy<br />
to <strong>the</strong> neck. Results <strong>of</strong> chemoradiation for cervical esophageal<br />
cancer by Burmeister et al. 22 among 34 patients has shown a failure<br />
rate <strong>of</strong> 12% for local control. Three patients (9%) died from persistent<br />
local disease and 2 (6%) patients died as a result <strong>of</strong> treatment<br />
[5 (15%)]. With well functioning, relatively inexpensive, handheld<br />
laryngeal voice devices now available, it is possible that <strong>the</strong>re<br />
will be a reversal to surgical management <strong>of</strong> cervical esophageal<br />
cancers in <strong>the</strong> future.<br />
The neck-flexion maneuver, which allows for primary end-toend<br />
pharyngoesophagostomy, rightfully raises <strong>the</strong> question as to<br />
whe<strong>the</strong>r <strong>the</strong>re might be some compromise with extent <strong>of</strong> cancer<br />
resection needed for a possible cure. The only way to avert this<br />
possibility would be to postpone <strong>the</strong> final decision regarding reconstruction<br />
until resection has been accomplished, according to<br />
oncological principles. The next problem is <strong>the</strong> maximal length <strong>of</strong><br />
<strong>the</strong> final esophageal defect after resection that would allow for a<br />
successful primary end-to-end. One-half <strong>of</strong> <strong>the</strong> tracheal length is<br />
considered <strong>the</strong> maximum that can be removed and tracheal continuity<br />
restored by primary anastomosis. 23 No comparable measure<br />
exists for <strong>the</strong> esophagus, and <strong>the</strong> final decision rests on correct<br />
judgment. The length <strong>of</strong> <strong>the</strong> cervical portion <strong>of</strong> <strong>the</strong> esophagus varies<br />
according to body build <strong>of</strong> patients, which varies as does <strong>the</strong><br />
degree <strong>of</strong> neck flexion tolerated by different individuals. Assigning<br />
a numerical value to <strong>the</strong> length <strong>of</strong> <strong>the</strong> esophageal defect that can be<br />
bridged by neck flexion would, <strong>the</strong>refore, be much less valuable<br />
than a visual and palpatory assessment <strong>of</strong> permissible tension, as<br />
described. The final results confirmed <strong>the</strong> reliability <strong>of</strong> this type <strong>of</strong><br />
subjective assessment <strong>of</strong> <strong>the</strong> safety <strong>of</strong> performing an end-to-end<br />
anastomosis in <strong>the</strong> neck. The only tension releasing maneuvers<br />
permitted are limited to digitally freeing <strong>the</strong> pharynx in <strong>the</strong> neck.<br />
Archives <strong>of</strong> Iranian Medicine, Volume 15, Number 5, May 2012 301
Any attempt at mobilizing <strong>the</strong> esophagus out <strong>of</strong> <strong>the</strong> thorax inferiorly<br />
should be resisted, <strong>the</strong> normal contractive pull <strong>of</strong> <strong>the</strong> freed-up<br />
esophagus making this maneuver counter-productive. End-to-end<br />
pharyngoesophagostomy runs counter to accepted surgical principles.<br />
Its execution in <strong>the</strong> neck, however, is made possible by <strong>the</strong><br />
exceptional laxity brought about by neck flexion. This maneuver<br />
has also been used by Pirmoazen 24 in <strong>the</strong> management <strong>of</strong> long segment<br />
cervical esophageal strictures relieved by <strong>the</strong> Heineke–Mikulicz<br />
procedure, readily bringing toge<strong>the</strong>r <strong>the</strong> two ends <strong>of</strong> <strong>the</strong> longitudinal<br />
incision. Maintaining <strong>the</strong> neck in <strong>the</strong> flexed position for<br />
a minimum <strong>of</strong> 7 days proved not to be a problem. A few patients<br />
voluntarily kept <strong>the</strong>ir head bent forward for an additional day or 2.<br />
Postoperative cervical anastomotic leakage was not as frequent<br />
or serious as expected, nor delayed strictures as severe as feared.<br />
The bent–neck posture was tolerated quite well by patients after<br />
tracheal resection for 7 or more days, and <strong>the</strong> same was observed<br />
for <strong>the</strong> neck flexion group in this study. The total number <strong>of</strong> cases<br />
in this study was not large enough to show whe<strong>the</strong>r, in <strong>the</strong> long<br />
run, <strong>the</strong> overall risk–benefit balance <strong>of</strong> <strong>the</strong> neck flexion maneuver<br />
manner <strong>of</strong> reconstruction after cervical esophageal resection surpasses<br />
that <strong>of</strong> <strong>the</strong> standard gastric pull-through procedure.<br />
Conclusion<br />
Resection <strong>of</strong> cervical esophageal cancer, based on oncological<br />
principles, with reconstruction carried out by primary end-to-end<br />
pharyngoesophagostomy is technically feasible, with no unacceptably<br />
high postoperative cervical leakage rates or local stricture formation.<br />
Acknowledgments<br />
The authors thank <strong>the</strong> hospital authorities, and operation room<br />
and ICU staff. We express deep thanks to our patients.<br />
Refrences<br />
1. Weisberger E. Cancer <strong>of</strong> <strong>the</strong> cervical esophagus. Operative techniques<br />
in otolaryngology. Head and Neck Surgery. 2005; 16(1): 67 – 72.<br />
2. Chu PY, Chang SY. Reconstruction after resection <strong>of</strong> hypopharyngeal<br />
carcinoma: Comparison <strong>of</strong> <strong>the</strong> postoperative complications and oncologic<br />
results <strong>of</strong> different methods. Head Neck. 2005; 27(10): 901 – 908.<br />
3. DeVries EJ, Stein DW, Johnson JT, Wagner RL, Schusterman M, Myers<br />
EN, et al. Hypopharyngeal reconstruction: A comparison <strong>of</strong> two<br />
alternatives. Laryngoscope. 1989; 99: 614 – 617.<br />
4. Lam KH, Wong J, Lim ST, Ong GB. Pharyngogastric anastomosis following<br />
pharyngolaryngoesophagectomy. Analysis <strong>of</strong> 157 cases. World<br />
J Surg. 1981; 5:509 – 516.<br />
5. Fujita H, Kakegawa T, Yamama H, Sueyoshi S, Hikita S, Mine T, et<br />
al. Total esophagectomy versus proximal esophagectomy for esophageal<br />
cancer at <strong>the</strong> cervicothoracic junction. World J Surg. 1999; 23:<br />
302 Archives <strong>of</strong> Iranian Medicine, Volume 15, Number 5, May 2012<br />
N. Nikbakhsh, F. Saidi, H. Fahimi<br />
486 – 491.<br />
6. Schusterman MA, Shestak K, deVries EJ, Swartz W, Jones N, Johnson<br />
J, et al. Reconstruction <strong>of</strong> <strong>the</strong> cervical esophagus: Free jejunal transfer<br />
versus gastric pull-up. Plast Reconstr Surg. 1990; 85(1): 16 – 21.<br />
7. Huang SH, Lockwood G, Brierley J, Cummings B, Kim J, Wong R, et<br />
al. Effect <strong>of</strong> concurrent high-dose Cisplatin chemo<strong>the</strong>rapy and conformal<br />
radio<strong>the</strong>rapy on cervical esophageal cancer survival. <strong>In</strong>t J Radiat<br />
Oncol Biol Phys. 2008; 71(3): 735 – 740.<br />
8. Newalshy GA, Read GA, Duncan W, Kerr GR.Results <strong>of</strong> radical radio<strong>the</strong>rapy<br />
<strong>of</strong> squamous cell carcinoma <strong>of</strong> <strong>the</strong> oesophagus. Clin Radiol.<br />
1982; 33: 347 – 752.<br />
9. Langer M, Choi NC, Orlow E, Grillo H, Wilkins EW. Radiation <strong>the</strong>rapy<br />
alone or in combination with surgery in <strong>the</strong> treatment <strong>of</strong> carcinoma<br />
<strong>of</strong> <strong>the</strong> esophagus. Cancer. 1986; 58: 1208 – 1213.<br />
10. Peracchia A, Bardini R, Ruol A, Segalin A, Castoro C, Asolati M, et al.<br />
Surgical management <strong>of</strong> carcinoma <strong>of</strong> <strong>the</strong> hypopharynx and cervical<br />
esophagus. Hepatogastroenterology, 1990; 37: 371 – 375.<br />
11. Hennessy TP, O’Connell R. Carcinoma <strong>of</strong> <strong>the</strong> hypopharynx, esophagus<br />
and cardia. Surg Gynecol Obstet. 1986; 162: 243 – 247.<br />
12. Fredrickson JM, Wagenfeld DJ, Pearson G. Gastric pull-up vs. deltopectoral<br />
flap for reconstruction <strong>of</strong> <strong>the</strong> cervical esophagus. Arch Otolaryngol.<br />
1981; 107: 613 – 616.<br />
13. Moores DW, Ilve R, Cooper JD, Todd TR, Pearson FG. One-stage reconstruction<br />
for pharyngolaryngectomy: Esophagectomy and pharyngogastrostomy<br />
without thoracotomy. J Thorac Cardiovasc Surg. 1983;<br />
85: 330 – 336.<br />
14. Harrison DF, Thumpson AE. Pharyngolaryngoesophagectomy with<br />
pharyngogastric anastomosis for cancer <strong>of</strong> <strong>the</strong> hypopharynx: Review<br />
<strong>of</strong> 101 operations. Head Neck Surg. 1986; 8: 418 – 428.<br />
15. Goldberg M, Freeman J, Gullane PJ, Patterson GA, Todd TR, Mc-<br />
Shane D. Transhiatal esophagectomy with gastric transposition for<br />
pharyngolaryngeal malignant disease. J Thorac Cardiovasc Surg.<br />
1989; 97: 327 – 333.<br />
16. Azurin DJ, Go LS, Kirkland ML. Palliative gastric transposition following<br />
pharyngolaryngoesophagectomy. Am Surg. 1997; 63: 410 –<br />
413.<br />
17. Ayshford CA, Walsh RM, Watkinson JC. Reconstructive techniques<br />
currently used following resection <strong>of</strong> hypopharyngeal carcinoma. J<br />
Laryngol Otol. 1999; 113: 145 – 148.<br />
18. Sullivan MW, Talamonti MS, Sithanandam K, Joob AW, Pelzer HJ,<br />
Joehl RJ. Results <strong>of</strong> gastric interposition for reconstruction <strong>of</strong> pharyngoesophagus.<br />
Surgery. 1999; 126: 666 – 671.<br />
19. DeMeeester SR. Adenocarcinoma <strong>of</strong> <strong>the</strong> esophagus and cardia: A review<br />
<strong>of</strong> <strong>the</strong> disease and its treatment. Ann Surg Oncol. 2005; 13(1):<br />
12 – 30.<br />
20. Leonard L, Gunderson LL, Mat<strong>the</strong>w D, Callister MD, Dawn E, Jaroszewski<br />
DE, et al. Localized gastric or gastroesophageal cancerchemoradiation<br />
is a pertinent component <strong>of</strong> adjuvant treatment for<br />
patients at high risk <strong>of</strong> relapse. Gastrointest Cancer Res.. 2009; 3(2):<br />
S26 – S32.<br />
21. Apisarnthanarax S, Tepper E. Crossroads in <strong>the</strong> combined-modality<br />
management <strong>of</strong> gastroesophageal junction carcinomas. Gastrointest<br />
Cancer Res. 2008; 2: 235 – 242.<br />
22. Burmeister B, Dickie G, Smi<strong>the</strong>rs M. Thirty-four patients with carcinoma<br />
<strong>of</strong> <strong>the</strong> cervical esophagus treated with chemoradiation <strong>the</strong>rapy.<br />
Arch Otolaryngol Head Neck Surg. 2000; 126: 205 – 208.<br />
23. Grillo HC, Donahue DM, Mathisen DJ, Wain JC, Wright CD. Postintubation<br />
tracheal stenosis: Treatment and results. J Thorac Cardiovasc<br />
Surg. 1995; 109: 486 – 493.<br />
24. Pirmoazen N, Seirafi M, Javaherzadeh M, Saidi F. Flexing <strong>the</strong> neck relieves<br />
tension on cervical esophageal anastomosis. Arch Iranian Med.<br />
2006; 9(4): 339 – 343.
Original Article<br />
Severe Thrombocytopenia and Hemorrhagic Dia<strong>the</strong>sis due to<br />
Brucellosis<br />
Hasan Karsen MD• 1 , Fazilet Duygu MD 2 , Kubilay Yapıcı MD 3 , Ali İrfan Baran MD 3 , Huseyin Taskıran MD 4 , İrfan Binici MD 3<br />
Abstract<br />
Background: We aimed to examine cases <strong>of</strong> brucellosis that presented with severe thrombocytopenia and hemorrhagic dia<strong>the</strong>sis.<br />
Methods: A total <strong>of</strong> 10 brucellosis cases with severe thrombocytopenia were included in this case-series study. Patients’ files were reviewed<br />
for <strong>the</strong>ir clinical and laboratory findings, as well as clinical outcomes and complications. Platelet counts <strong>of</strong> < 20000/mm³ were diagnosed as<br />
severe thrombocytopenia.<br />
Results: The lowest thrombocyte count was 3000/mm³ while <strong>the</strong> highest was 19000/mm³ (mean: 12000/mm³). Patients had <strong>the</strong> following<br />
symptoms: epistaxis (7 cases), petechia with epistaxis (4 cases), bleeding gums (3 cases), ecchymosis with epistaxis (2 cases), melena and<br />
renal failure (2 cases), and hematuria (1 case). Patients were given rifampicin and doxycycline along with supportive hematological <strong>the</strong>rapy.<br />
All were treated successfully with no evidence <strong>of</strong> recurrence at follow-up visits.<br />
Conclusion: Since brucellosis is endemic in developing countries, it must be considered in <strong>the</strong> differential diagnosis <strong>of</strong> cases that present<br />
with severe thrombocytopenia and hemorrhagic dia<strong>the</strong>sis.<br />
Keywords: Brucellosis, hemorrhagic dia<strong>the</strong>sis, severe thrombocytopenia<br />
Cite this article as: Karsen H, Duygu F, Yapıcı K, Baran AI, Taskıran H, Binici I. Severe Thrombocytopenia and Hemorrhagic Dia<strong>the</strong>sis due to Brucellosis. Arch Iran<br />
Med. 2012; 15(5): 303 – 305.<br />
<strong>In</strong>troduction<br />
Brucellosis is a multisystem disease with a wide variety <strong>of</strong><br />
symptoms that include hematological abnormalities such as<br />
anemia, thrombocytopenia, pancytopenia and leucopoenia.<br />
Disseminated intravascular coagulation (DIC) and hemorrhagic<br />
dia<strong>the</strong>sis are rarely seen. 1,2 <strong>In</strong> some studies, hematological findings<br />
ranging from mild anemia to pancytopenia are reported to be more<br />
than 50%. 3,4 Various rates <strong>of</strong> thrombocytopenia due to brucellosis<br />
have been reported; however, to <strong>the</strong> best <strong>of</strong> our knowledge, all<br />
published studies except for case-reports regarding severe thrombocytopenia<br />
due to brucellosis were pediatric case-series, until<br />
now. <strong>In</strong> this paper, 10 adults cases with severe thrombocytopenia<br />
and hemorrhagic dia<strong>the</strong>sis due to brucellosis have been presented.<br />
Materials and Methods<br />
This was a case-series study. Patients’ files were reviewed for<br />
<strong>the</strong>ir clinical and laboratory findings, symptoms, prognosis, age<br />
and gender as well as complications and clinical outcomes. The<br />
study protocol was approved by <strong>the</strong> local research committee for<br />
ethics. The Brucella Wright test; blood culture; complete blood<br />
count; erythrocyte sedimentation rate (ESR); C-reactive prote-<br />
Authors’ Affiliations: 1 Harran University Faculty <strong>of</strong> Medicine, Department <strong>of</strong><br />
<strong>In</strong>fectious Diseases and Clinical Microbiology, Sanliurfa, Turkey, 2 Tokat State<br />
Hospital, Clinical <strong>In</strong>fectious Diseases, Tokat, Turkey, 3 Yuzuncu Yil University,<br />
Faculty <strong>of</strong> Medicine, Department <strong>of</strong> <strong>In</strong>fectious Diseases and Clinical Microbiology,<br />
Van, Turkey, 4 Private Zirve Medical Center, <strong>In</strong>ternal Medicine Clinic, Nizip,<br />
Turkey.<br />
•Corresponding author and reprints: Hasan Karsen MD, Harran University,<br />
Faculty <strong>of</strong> Medicine, Department <strong>of</strong> <strong>In</strong>fectious Diseases and Clinical Microbiology,<br />
Sanliurfa, Turkey. Tel: +904143183000, E-mail: hasankarsen@hotmail.com.<br />
Accepted for publication: 7 September 2011<br />
in (CRP); liver and renal function pr<strong>of</strong>iles; urinalysis; IgM anti-<br />
CCHF (Crimean-Congo hemorrhagic fever); as well as coagulation<br />
parameters such as prothrombin time (PT), activated partial<br />
thromboplastin time (aPTT), and fibrinogen levels were measured.<br />
Complete blood cell count was repeated when <strong>the</strong> results were abnormal<br />
or when indicated.. We also tested patients for enteric fever,<br />
malaria, acute viral hepatitis, and toxoplasmosis.<br />
Brucellosis was diagnosed by <strong>the</strong> presence <strong>of</strong> antibodies against<br />
brucella with a titer <strong>of</strong> ≥ 1:160 by <strong>the</strong> standard tube agglutination<br />
test (Brucella abortus antisera, Cromatest, Linear Chemicals,<br />
Barcelona, Spain) and/or by isolation <strong>of</strong> brucella from blood<br />
(BACTEC, Becton Dickinson, USA) in addition to clinical symptoms<br />
consistent with brucellosis. Anemia, thrombocytopenia, and<br />
leucopenia were defined as hemoglobin (Hb) levels <strong>of</strong> < 12 g/dL,<br />
a platelet count <strong>of</strong> < 150000/mm³, and leukocyte count <strong>of</strong> < 4000/<br />
mm³, respectively. Platelet counts < 20000/mm³ were considered<br />
as severe thrombocytopenia. 5<br />
Results<br />
Severe Thrombocytopenia due to Brucellosis<br />
There were 4 male and 6 female patients with severe thrombocytopenia.<br />
Patients’ mean age was 35.24 ± 6.12 years (range: 18 to<br />
64 years). Standard agglutination test was positive in all patients,<br />
however B. melitensis was present in <strong>the</strong> blood cultures <strong>of</strong> only 3<br />
patients.<br />
Pancytopenia was present in 5 cases, bicytopenia (thrombocytopenia<br />
and anemia or thrombocytopenia and leucopenia) was seen<br />
in 4 cases, and <strong>the</strong>re was only one case <strong>of</strong> isolated thrombocytopenia.<br />
The lowest thrombocyte count was 3000/mm³ while <strong>the</strong><br />
highest was 19000/mm³ (mean: 12000/mm³). The mean Hb level<br />
was 9.17 g/dL and white blood cell level was 5720/mm³. Totally,<br />
<strong>the</strong> mean decrease in thrombocytes was 92% while it was 23.6% in<br />
Hb levels. There was no decrease in white blood cell count.<br />
Archives <strong>of</strong> Iranian Medicine, Volume 15, Number 5, May 2012 303
As seen in Table 1, clinical symptoms were as follows: epistaxis<br />
(7 cases), petechia with epistaxis (4 cases), bleeding gums (3 cases),<br />
ecchymosis with epistaxis (2 cases), melena and renal failure<br />
(2 cases), and hematuria (one case). The following elevated laboratory<br />
abnormalities were present: ESR (6 cases), CRP (10 cases),<br />
PT (7 cases), PTT (2 cases), and PT toge<strong>the</strong>r with aPTT and INR<br />
(one case). The one case which had elevated PT, aPTT and INR<br />
levels also had a low fibrinogen result. All patients were treated<br />
with rifampicin and doxycycline and platelet suspensions. Hb levels<br />
were < 8 gr/dL in 4 patients and each <strong>of</strong> <strong>the</strong>m received whole<br />
blood transfusions. All cases were negative for CCHF, enteric fever,<br />
malaria, acute viral hepatitis, and toxoplasmosis.<br />
Discussion<br />
Table 1. The cases <strong>of</strong> thrombocyte, hemoglobin, and leukocyte values and clinical symtoms<br />
Case Number Platelet(/mm 3 ) Hb(g/dL) WBC(/mm 3 ) Complications seen in cases<br />
1 3000 12.4 9000 Epistaxis, petechia, neuropyschiatric symptoms<br />
2 7000 8.5 2700 Melena, gum bleeding<br />
3 9000 10.6 73000 Epistaxis, ecchymose<br />
4 10000 9.5 4900 Epistaxis, ecchymose, gum bleeding<br />
5 10000 5.5 3900 Melena, hematuria, renal failure, pyschiatric symptoms<br />
6 13000 7 3700 This case had no bleeding symptoms<br />
7 15000 7.8 7600 Neuropyschiatric symptoms<br />
8 16000 4.7 10900 Epistaxis, petechia, renal failure, pyschiatric symptoms<br />
9 18000 12.7 3700 Epistaxis, petechia,<br />
10 19000 13 3500 Epistaxis<br />
Mean±SD 12000±51 9.17±2.96 6800±2150.21 ------<br />
Hb: Hemoglobin, WBC: White blood cell<br />
Mild hematological abnormalities such as anemia and leucopenia<br />
are common in <strong>the</strong> course <strong>of</strong> human brucellosis. Severe thrombocytopenia,<br />
acute hemolysis, DIC, hemorrhagic dia<strong>the</strong>sis, immune<br />
thrombocytopenia, capillary leak syndrome (CLS), thrombotic<br />
thrombocytopenic purpura (TTP), and Evan’s syndrome are rarely<br />
seen. 6–10 <strong>In</strong> our study, <strong>the</strong> mainly affected blood elements were<br />
thrombocytes. The pathogenesis <strong>of</strong> thrombocytopenia in brucellosis<br />
remains obscure but several possible mechanisms, including<br />
hypersplenism, hemophagocytosis, granulomas, increased clearance<br />
<strong>of</strong> damaged thrombocytes with endotoxins, thrombocyte adherence<br />
to vascular surfaces, and bone marrow suppression due to<br />
septicemia may account for it. 11 <strong>In</strong> various studies, thrombocytopenia<br />
prevalence has been reported to be 3.4%-26%. 3,4,12–15 Severe<br />
thrombocytopenia and bleeding disorder due to brucellosis have<br />
generally been studied in children. The papers regarding adults are<br />
only case reports. 16–18 Although severe thrombocytopenia, bleeding<br />
disorder, DIC, and thrombotic thrombocytopenic purpura<br />
(TTP) are rarely seen in brucellosis, 4,6,15 in our study all cases had<br />
severe thrombocytopenia and bleeding disorders, 2 cases had TTP,<br />
and one case had DIC.<br />
According to a study by Kiki et al., a 19-year-old woman presented<br />
with complaints <strong>of</strong> headache, fever, sweating, malaise, and<br />
jaundice. Her clinical signs and laboratory findings were consistent<br />
with TTP. She received plasma exchange and antibiotic <strong>the</strong>rapy. 17<br />
<strong>In</strong> a case presented by Erdem et al., a 51-year-old man had complaints<br />
<strong>of</strong> moderate confusion, depressed mood and dysarthria, fever<br />
(38.5°C), jaundice, and petechial-purpuric skin lesions. Laboratory<br />
tests showed white blood cell count <strong>of</strong> 9600/mm³, Hb 7.1 g/<br />
dL, and platelets 18000/mm³. He received a plasma infusion and<br />
antimicrobial treatment. 19<br />
The clinical picture <strong>of</strong> our fifth case was as follows: confusion<br />
and speech disturbance, fever <strong>of</strong> 38.8°C, thrombocyte count <strong>of</strong><br />
304 Archives <strong>of</strong> Iranian Medicine, Volume 15, Number 5, May 2012<br />
H. Karsen, F. Duygu, K. Yapıcı, et al.<br />
10000 /mm³, Hb <strong>of</strong> 5.5 mg/dL, creatinine level <strong>of</strong> 9.1 mg/dL (normal<br />
0.8 – 1.2), total bilirubin <strong>of</strong> 4.1 mg/dL (normal 0.2 – 1.2), and<br />
indirect bilirubin <strong>of</strong> 3.4 mg/dL (normal 0 – 0.75). He received<br />
thrombocyte infusion and antimicrobial treatment<br />
Our eighth case had <strong>the</strong> following clinical symptoms: convulsion<br />
and hallucinations, loss <strong>of</strong> consciousness, fever <strong>of</strong> 39.8°C, thrombocyte<br />
count <strong>of</strong> 16000/mm³, Hb <strong>of</strong> 4.7 mg/dL, creatinine level <strong>of</strong><br />
2.52 mg/dL, total bilirubin level <strong>of</strong> 4.8 mg/dL, and indirect bilirubin<br />
level <strong>of</strong> 4 mg/dL. He received antimicrobial treatment, platelet<br />
suspensions and whole blood transfusions.<br />
Our third patient presented with DIC, whose laboratory findings<br />
were: PT 26 sec (normal 10 – 15), active partial thromboplastin<br />
time (aPTT) 59 sec (normal 26 – 41) and INR 1.8 (normal: 0.8-<br />
1.22), fibrinogen 67 mg/dL (normal: 150 – 400), and D-dimer 4.05<br />
ug/mL (normal: 0 – 0.4). He received antibiotics, platelet suspensions<br />
and fresh-frozen plasma.<br />
Bleeding disorders such as epistaxis and hematuria have rarely<br />
been reported. 19 We have not seen any case report <strong>of</strong> brucellosisinduced<br />
melena, gum bleeding, and ecchymosis in <strong>the</strong> literature.<br />
As mentioned in Table 1, in addition to severe thrombocytopenia,<br />
our cases had complaints <strong>of</strong> epistaxis, ecchymosis, melena, hematuria,<br />
gum bleeding, neuropsychiatric symptoms, and renal failure.<br />
The symptoms <strong>of</strong> our brucellosis cases were similar to those<br />
<strong>of</strong> hematologic malignancies and hemorrhagic viral diseases. 20,21<br />
Therefore, hematologists, ENT specialists, psychiatrists, dermatologists,<br />
dentists, urologists, and gastroenterologists should bear<br />
in mind <strong>the</strong> possibility <strong>of</strong> brucellosis in patients who present with<br />
bleeding.<br />
We agree with some authors who have suggested that thrombocytopenia<br />
is a result <strong>of</strong> immunological reactions. 16 <strong>In</strong> some <strong>of</strong><br />
our cases thrombocytopenia had developed as a result <strong>of</strong> an immunological<br />
mechanism, which was <strong>the</strong> main reason for severe<br />
thrombocytopenia. Hemorrhage results from ei<strong>the</strong>r a decrease in<br />
platelet counts or platelet dysfunction. Thrombocytopenia is rare;<br />
only in very rare cases <strong>of</strong> brucellosis is it severe enough to cause<br />
bleeding. 22 The high rates <strong>of</strong> bleeding in our cases (100%) warrant<br />
attention. After 4 days <strong>of</strong> treatment with antibiotics (rifampicin and<br />
doxycycline) and platelet suspensions, <strong>the</strong> hemorrhage stopped in<br />
all our cases with bleeding. Fortunately, <strong>the</strong> severe thrombocytopenia<br />
which occurs in brucellosis is responsive to antibiotics and<br />
hematological supportive <strong>the</strong>rapy.<br />
Within 2 weeks, thrombocytopenia improved in <strong>the</strong> majority <strong>of</strong><br />
cases. At <strong>the</strong> end <strong>of</strong> <strong>the</strong> third week, platelet counts were > 150000/<br />
mm³ in all patients. At <strong>the</strong> end <strong>of</strong> <strong>the</strong> fourth week <strong>of</strong> treatment<br />
with anti-brucellosis drugs, hematological abnormalities as well as<br />
renal insufficiency, neuropsychiatric symptoms, and o<strong>the</strong>r symptoms<br />
had completely disappeared. Akdeniz et al. have reported that<br />
platelet counts returned to normal within 2 – 3 weeks <strong>of</strong> initiating
antibiotics. 2 Dilek et al. have reported restoration <strong>of</strong> thrombocytopenia<br />
to normal ranges within one week after initiation <strong>of</strong> antimicrobial<br />
<strong>the</strong>rapy. 6 We have completed <strong>the</strong> antimicrobial treatment to<br />
6 weeks in all patients.<br />
All our patients were treated successfully <strong>the</strong>n discharged. Patients<br />
were followed monthly for 12 months with clinical and<br />
laboratory findings. No recurrence <strong>of</strong> brucellosis was noted at<br />
follow-ups.<br />
Some authors have reported successful results with <strong>the</strong> administration<br />
<strong>of</strong> plasma, plasma exchange, intravenous gamma globulin,<br />
and steroids in conjunction with brucellosis treatment. 21,22 However,<br />
in our cases, those treatment modalities were not necessary.<br />
<strong>In</strong> conclusion, since brucellosis is endemic in developing countries,<br />
it must be considered in <strong>the</strong> differential diagnosis <strong>of</strong> viral<br />
hemorrhagic diseases and cases presenting with severe thrombocytopenia<br />
and bleeding disorders. Even with <strong>the</strong> development <strong>of</strong><br />
severe thrombocytopenia and bleeding in patients with brucellosis,<br />
successful results can be obtained with antibiotics and hematologic<br />
supportive <strong>the</strong>rapy.<br />
References<br />
1. Franco MP, Mulder M, Gilman RH, Smits HL. Human brucellosis.<br />
Lancet <strong>In</strong>fect Dis. 2007; 7: 775 – 786.<br />
2. Akdeniz H, Irmak H, Seçkinli T, Buzgan T, Demiröz AP. Hematological<br />
manifestations in brucellosis cases in Turkey. Acta Med Okayama.<br />
1998; 52: 63 – 65.<br />
3. Aygen B, Doganay M, Sumerkan B, Yildiz O, Kayabas U. Clinical<br />
manifestations, complications and treatment <strong>of</strong> brucellosis: A retrospective<br />
evaluation <strong>of</strong> 480 patients. Med Mal <strong>In</strong>fect. 2002; 32: 485 –<br />
493.<br />
4. Buzgan T, Karahocagil MK, Irmak H, Baran AI, Karsen H, Evirgen O.<br />
Clinical manifestations and complications in 1028 cases <strong>of</strong> brucellosis:<br />
A retrospective evaluation and review <strong>of</strong> <strong>the</strong> literature. <strong>In</strong>t J <strong>In</strong>fect Dis.<br />
2010; 6: 469 – 478.<br />
5. Yodonawa S, Goto Y, Ogawa I, Yoshida S, Itoh H, Nozaki R, et al.<br />
Laparoscopic splenectomy for idiopathic thrombocytopenic purpura in<br />
a woman with situs inversus: Report <strong>of</strong> a case. Surg Today. 2010; 12:<br />
1176 – 1178.<br />
6. Dilek I, Durmuş A, Karahocagil MK, Akdeniz H, Karsen, H, Baran AI<br />
Evirgen Ö. Hematological complications in 787 cases <strong>of</strong> acute brucellosis<br />
in Eastern Turkey. Turk J Med Sci. 2008; 38: 421 – 424.<br />
Severe Thrombocytopenia due to Brucellosis<br />
7. Sari I, Kocyigit I, Altuntas F, Kaynar L, Eser B. An unusual case <strong>of</strong><br />
acute brucellosis presenting with Coombs-positive autoimmune hemolytic<br />
anemia. <strong>In</strong>tern Med. 2008; 47: 1043 – 1045.<br />
8. Turunc T, Demiroglu YZ, Kizilkilic E, Aliskan H, Boga C, Arslan H.<br />
A case <strong>of</strong> disseminated intravascular coagulation caused by Brucella<br />
melitensis. J Thromb Thrombolysis. 2008; 1: 71 – 73.<br />
9. Pappas G, Kitsanou M, Christou L, Tsianos E. Immune thrombocytopenia<br />
attributed to brucellosis and o<strong>the</strong>r mechanisms <strong>of</strong> Brucellainduced<br />
thrombocytopenia. Am J Hematol. 2004; 75: 139 – 141.<br />
10. Erkurt MA, Sari I, Gül HC, Coskun O, Eyigün CP, Beyan C. The first<br />
documented case <strong>of</strong> brucellosis manifested with pancytopenia and capillary<br />
leak syndrome. <strong>In</strong>tern Med. 2008; 47: 863 – 865.<br />
11. Al-Eissa Y, Al-Nasser M. Hematological manifestation <strong>of</strong> childhood<br />
brucellosis. <strong>In</strong>fection. 1993; 21: 29 – 32.<br />
12. Demiroglu YZ, Turunc T, Calıs Kan H, Colakoglu S¸ Arslan H. Brucellosis:<br />
Retrospective evaluation <strong>of</strong> <strong>the</strong> clinical, laboratory and epidemiological<br />
features in 151 cases. Mikrobiyol Bul. 2007; 41: 517 – 527.<br />
13. Hasanjani Roushan MR, Mohrez M, Smailnejad Gangi SM, Solemani<br />
Amiri MJ, Hajiahmadi M. Epidemiological features and clinical manifestations<br />
in 469 adult patients with brucellosis in Babol, Nor<strong>the</strong>rn Iran.<br />
Epidemiol <strong>In</strong>fect. 2004; 132: 1109 – 1114.<br />
14. Lulu AR, Araj GF, Khateeb MI, Mustafa MY, Yusuf AR, Fenech FF.<br />
Human brucellosis in Kuwait: A prospective study <strong>of</strong> 400 cases. Q J<br />
Med. 1988; 66: 39 – 54.<br />
15. Colmenero JD, Reguera JM, Martos F, Sanchez De Mora D, Delgado<br />
M, Causse M, et al. Complications associated with Brucella melitensis<br />
infection: A study <strong>of</strong> 530 cases. Medicine. (Baltimore) 1996; 75: 195<br />
– 211.<br />
16. Yilmaz M, Tiryaki O, Namiduru M, Okan V, Oguz A, Buyukhatipoglu<br />
H, et al. Brucellosis-induced immune thrombocytopenia mimicking<br />
ITP: A report <strong>of</strong> seven cases. <strong>In</strong>t J Lab Hematol. 2007; 29: 442 – 445.<br />
17. Kiki I, Gundogdu M, Albayrak B, Bilgiç Y. Thrombotic thrombocytopenic<br />
purpura associated with Brucella infection. Am J Med Sc. 2008;<br />
335: 230 – 232.<br />
18. Erdem F, Kiki I, Gundoğdu M, Kaya H. Thrombotic thrombocytopenic<br />
purpura in a patient with Brucella infection is highly responsive to<br />
combined plasma infusion and antimicrobial <strong>the</strong>rapy. Med Princ Pract.<br />
2007; 16: 324 – 326.<br />
19. Sevinc A, Buyukberber N, Camci C, Buyukberber S, Karsligil T.<br />
Thrombocytopenia in brucellosis: Case report and literature review. J<br />
Natl Med Assoc. 2005; 97: 290 – 293.<br />
20. Vorou R, Pierroutsakos IN, Maltezou HC. Crimean-Congo hemorrhagic<br />
fever. Curr Opin <strong>In</strong>fect Dis. 2007; 20: 495 – 500.<br />
21. Giordano S, Failla MC, Di Gangi M, Miceli S, Abbagnato L, Dones P.<br />
Thrombocytopenia associated with brucellosis: A case report. [Article<br />
in Italian]. <strong>In</strong>fez Med. 2008; 16: 158 – 161.<br />
22. Tsirka A, Markesinis I, Getsi V, Chaloulou S. Severe thrombocytopenic<br />
purpura due to brucellosis. Scand J <strong>In</strong>fect Dis. 2002; 34: 535 – 536.<br />
Archives <strong>of</strong> Iranian Medicine, Volume 15, Number 5, May 2012 305
306 Archives <strong>of</strong> Iranian Medicine, Volume 15, Number 5, May 2012<br />
Original Article<br />
Acute Administration <strong>of</strong> Zn, Mg, and Thiamine Improves Postpartum<br />
Depression Conditions in Mice<br />
Sara Nikseresht MSc 1 , Sahabeh Etebary MSc 2 , Morteza Karimian PhD 1 , Fatemeh Nabavizadeh PhD 1 , Mohammad Reza Zarrindast<br />
PhD 3 , Hamid Reza Sadeghipour PhD• 1<br />
Abstract<br />
Background: Postpartum depression (PPD) affects approximately half <strong>of</strong> new mo<strong>the</strong>rs. Chronic exposure to progesterone during pregnancy<br />
and its withdrawal following delivery increases depression and anxiety. <strong>In</strong> addition, <strong>the</strong>re are complex interactions between hormones,<br />
neurotransmitters, and trace elements. Zinc (Zn) and magnesium (Mg) influence <strong>the</strong> nervous system by impacting synaptic neurotransmission<br />
in <strong>the</strong> brain. Thiamine (Vit B 1 ) deficiency results in a high percentage <strong>of</strong> depressive behaviors. Elevated levels <strong>of</strong> reactive oxygen species<br />
in pregnancy are implicated in <strong>the</strong> pathogenesis <strong>of</strong> major depression.<br />
Methods: We examined <strong>the</strong> effects <strong>of</strong> different combinations <strong>of</strong> Zn, Mg, and Vit B 1 in an animal model <strong>of</strong> PPD. ZnCl, MgCl, and thiamine-<br />
HCl were administered to PPD-induced mice. Depression, anxiety-related behavior, and total antioxidant capacity (TAC) were assessed.<br />
Depression and anxiety-like behavior were evaluated by <strong>the</strong> forced swimming test (FST) and elevated plus-maze, respectively.<br />
Results: The acute combined administration <strong>of</strong> Zn, Mg, and Vit B 1 significantly decreased immobility time in FST, increased <strong>the</strong> percentage<br />
<strong>of</strong> both time spent in- and entries to open arms in <strong>the</strong> elevated plus-maze, and augmented TAC.<br />
Conclusion: Our data suggest that acute administration <strong>of</strong> combined treatment with Zn, Mg, and Vit B 1 on postpartum day 3 improves<br />
depressive symptoms and anxiety-like behaviors. Our evaluation <strong>of</strong> TAC is in accordance with behavioral results.<br />
Keywords: Anxiety, depression, magnesium, thiamine, Zinc<br />
Cite this article as: Nikseresht S, Etebary S, Karimian M, Nabavizadeh F, Zarrindast MR, Sadeghipour HR. Acute Administration <strong>of</strong> Zn, Mg, and Thiamine Improves<br />
Postpartum Depression Conditions in Mice. Arch Iran Med. 2012; 15(5): 306 – 311.<br />
<strong>In</strong>troduction<br />
A<br />
depressed mood is common during <strong>the</strong> postpartum period,<br />
affecting almost 50% <strong>of</strong> new mo<strong>the</strong>rs during <strong>the</strong> first days<br />
following delivery. This transient mood disturbance in vulnerable<br />
women may lead to more serious and persistent depression<br />
during subsequent weeks, finally fulfilling <strong>the</strong> diagnostic criteria<br />
for major depression, known as postpartum depression (PPD). 1,2<br />
Evidence suggests that maternal depression is harmful for new<br />
mo<strong>the</strong>rs, <strong>the</strong>ir infants, and family relationships. PPD can also impair<br />
<strong>the</strong> infant’s cognitive and social development. This situation<br />
can even lead to suicidal tendencies or infanticide. 3–5<br />
Rapid decline in hormone levels, in particular sex hormones,<br />
happens following delivery. Based on previous studies, withdrawal<br />
<strong>of</strong> progesterone has been proposed as a trigger for PPD symptoms<br />
and recent attention has been given to <strong>the</strong> possible mood effects <strong>of</strong><br />
neuroactive metabolites and precursors <strong>of</strong> progesterone. Because<br />
depression is <strong>of</strong>ten accompanied by enhanced anxiety, chronic exposure<br />
to progesterone, followed by its withdrawal increases anxiety.<br />
6–10 It is possible that complex interactions between hormones<br />
and neurotransmitters are involved; because <strong>of</strong> this, alterations in<br />
ovarian steroids are associated with debilitating psychiatric and<br />
Authors’ Affiliations: 1 Department <strong>of</strong> Physiology, School <strong>of</strong> Medicine, Tehran<br />
University <strong>of</strong> Medical Sciences, Tehran, Iran, 2 Department <strong>of</strong> Midwifery, Shahid<br />
Beheshti University <strong>of</strong> Medical Sciences, Tehran, Iran, 3 Department <strong>of</strong> Neuroscience,<br />
School <strong>of</strong> Advanced Medical Technologies, Tehran University <strong>of</strong> Medical<br />
Sciences, Tehran, Iran.<br />
•Corresponding author and reprints: Hamid Reza Sadeghipour PhD, Department<br />
<strong>of</strong> Physiology, Tehran University <strong>of</strong> Medical Sciences, Poorsina Ave., Tehran,<br />
Iran. Tel: +98 21 64053281, Fax: +98 2166570435,<br />
E-mail: sadeghipour@sina.tums.ac.ir.<br />
Accepted for publication: 7 September 2011<br />
S. Nikseresht, S. Etebary, M. Karimian, et al.<br />
neurological disorders that include premenstrual dysphoric disorder,<br />
premenstrual syndrome, menstrual migraine, PPD, and anxiety.<br />
Based on recent studies, trace elements such as zinc (Zn) and<br />
magnesium (Mg) also exert <strong>the</strong>ir antidepressant effects by acting<br />
on neurotransmitter pathways. 11–14<br />
Zn is a trace element, particularly abundant in <strong>the</strong> central nervous<br />
system (CNS). Zn is important as a signaling factor in synaptic<br />
neurotransmission in <strong>the</strong> brain. 15,16 Several studies have shown its<br />
potential antidepressant activity in humans and suggest that Zn<br />
may be involved in <strong>the</strong> mechanism <strong>of</strong> action <strong>of</strong> antidepressant<br />
<strong>the</strong>rapy. <strong>In</strong> confirmation, anxiety-like behavior is increased in Zndeprived<br />
rodents. 17–19 <strong>In</strong> ano<strong>the</strong>r study, <strong>the</strong> results have demonstrated<br />
a relationship between <strong>the</strong> severity <strong>of</strong> depressive symptoms and<br />
decreased serum Zn concentrations in humans with PPD. 20<br />
Mg is a trace element that acts primarily as an intracellular ion<br />
influencing <strong>the</strong> nervous system by its effects on <strong>the</strong> release and<br />
metabolism <strong>of</strong> neurotransmitters. 21,22 Mg has been proposed to<br />
participate in biochemical dysregulation that contributes to psychiatric<br />
disorders. The results <strong>of</strong> several studies indicate that Mg<br />
induces antidepressant and anxiolytic-like effects in mice without<br />
development <strong>of</strong> tolerance to <strong>the</strong>se actions, which is suggestive <strong>of</strong><br />
its potential antidepressant and anxiolytic activity. 9,23 The fetus and<br />
placenta absorb huge amounts <strong>of</strong> nutrients, particularly Mg, from<br />
<strong>the</strong> mo<strong>the</strong>r and loss <strong>of</strong> Mg is hypo<strong>the</strong>sized to be a contributing factor<br />
in <strong>the</strong> development <strong>of</strong> PPD. 24<br />
Thiamine (Vit B 1 ) de<br />
and hyperemesis gravidarium. This condition shows a high percentage<br />
<strong>of</strong> aggressiveness, confusion, memory impairments, and<br />
depressive behaviors in animal models <strong>of</strong> Vit B 1 deficiency where<br />
antidepressants such as imipramine can suppress this depressive
ehavior. 25,26<br />
Oxidative stress is <strong>the</strong> imbalance between oxidative and antioxidative<br />
systems in favor <strong>of</strong> <strong>the</strong> former and has been implicated in<br />
<strong>the</strong> pathophysiology <strong>of</strong> several neuropsychiatric diseases, including<br />
major depressive disorder. A measurement <strong>of</strong> total antioxidant<br />
capacity (TAC) can provide information about overall antioxidant<br />
status which may include those antioxidants not yet recognized or<br />
not easily measured. 27,28<br />
Despite <strong>the</strong> high prevalence <strong>of</strong> PPD, up to half <strong>of</strong> <strong>the</strong> cases <strong>of</strong><br />
postpartum disorders remain undiagnosed or untreated. 29 Although<br />
women with PPD may seek psycho<strong>the</strong>rapy as an initial treatment,<br />
it is not always effective. Those with severe symptoms may need<br />
antidepressant <strong>the</strong>rapy, but <strong>the</strong> high cost and side effects <strong>of</strong> antidepressant<br />
drugs remain important treatment obstacles for many. 30,31<br />
Many women choose nonpharmacological interventions, due to<br />
<strong>the</strong> potential transmission <strong>of</strong> drugs into breast milk and fear <strong>of</strong> addiction<br />
or drug dependence. 32 As mentioned above, a single administration<br />
<strong>of</strong> Zn and Mg improves depression and anxiety-related<br />
behavior. <strong>In</strong> addition, based on <strong>the</strong> literature and our pilot study,<br />
Vit B 1 has been shown to have antidepressant and anxiolytic effects.<br />
Therefore, <strong>the</strong> aim <strong>of</strong> <strong>the</strong> present study was to evaluate <strong>the</strong><br />
<strong>the</strong>rapeutic effects <strong>of</strong> different combinations <strong>of</strong> Zn, Mg, and Vit<br />
B 1 on an animal model <strong>of</strong> PPD. We assessed depressant-like and<br />
anxiety-like behaviors, as well as TAC.<br />
Materials and Methods<br />
Figure 1. Percentage <strong>of</strong> time spent in open arms (A) and number <strong>of</strong> entries (%) into open arms (B)<br />
<strong>of</strong> <strong>the</strong> elevated plus-maze (EPM) measured during 5 minutes. 1: Saline, 2: Sesame oil, 3: PWD, 4:<br />
Zn+Mg, 5: Zn+Vit B 1 , 6: Mg+Vit B 1 , and 7: Zn+Mg+Vit B 1. Treatment doses are as follows: saline (2<br />
ml/kg); sesame oil (2 ml/kg); progesterone (5 mg/kg); Zn: (30 mg/kg); Mg (30 mg/kg); Vit B 1 (50 mg/<br />
kg). Columns represent <strong>the</strong> mean±SEM (n=10 per group). P
Figure 2. Immobility time in <strong>the</strong> forced swim test (FST) <strong>of</strong> 7 groups <strong>of</strong> mice. Immobility time was<br />
measured over 4 minutes. 1: Saline, 2: Sesame oil, 3: PWD, 4: Zn+Mg, 5: Zn+Vit B1, 6: Mg+Vit<br />
B1, and 7: Zn+Mg+Vit B1. Treatment doses are as follows: saline (2 ml/kg), sesame oil (2 ml/kg),<br />
progesterone (5 mg/kg), Zn (30 mg/kg), Mg (30 mg/kg), and Vit B1 (50 mg/kg). Columns represent <strong>the</strong><br />
mean±SEM (n=10 per group). P
Groups TAC (nmol/mg protein)<br />
Salineª 208 ± 0.032<br />
Sesame oilª 207 ± 0.021<br />
Progesterone b 169 ± 0.054<br />
Zn+Mg c 195 ± 0.052<br />
d Zn+Vit B1 184 ± 0.047<br />
d Mg+Vit B1 181 ± 0.043<br />
a Zn+Mg+Vit B1 206 ± 0.071<br />
Data are expressed as mean±SEM (n=10 per group). a-d: Different letters have statistically significant differences (P
Oxidative stress occurs as a consequence <strong>of</strong> an imbalance between<br />
<strong>the</strong> formation <strong>of</strong> oxygen-free radicals and inactivation <strong>of</strong><br />
<strong>the</strong>se species by an antioxidant defense system. 53 Oxidative stress<br />
has been found in pregnant mo<strong>the</strong>rs. It is well known that pregnancy<br />
is itself a state <strong>of</strong> oxidative stress arising from <strong>the</strong> increased<br />
metabolic activity in placental mitochondria and <strong>the</strong> reduced scavenging<br />
power <strong>of</strong> antioxidants. 54 Reactive oxygen species are implicated<br />
in <strong>the</strong> pathogenesis <strong>of</strong> various neuropsychiatric disorders,<br />
including major depression. 55 Major depression is associated with<br />
increased levels <strong>of</strong> serum superoxide dismutase (SOD), serum,<br />
and erythrocyte malondialdehyde (MDA), and decreased levels <strong>of</strong><br />
plasma ascorbic acid. 56,57 Changes in antioxidative parameters can<br />
serve as a characteristic element <strong>of</strong> depression and help to assess<br />
<strong>the</strong> effects <strong>of</strong> pharmacological treatment. 58<br />
Antioxidant capacity can be defined as <strong>the</strong> ability <strong>of</strong> a compound<br />
to reduce pro-oxidant activity. It appears that TAC is tightly regulated<br />
in serum or plasma in neurological disorders, however, some<br />
studies have failed to demonstrate this. S<strong>of</strong>ic and colleagues did not<br />
find significant differences in total serum antioxidant capacity in<br />
patients with Parkinson’s and Alzheimer’s diseases, amyotrophic<br />
lateral sclerosis (ALS), depression and schizophrenia when compared<br />
to healthy control subjects. 59 <strong>In</strong> agreement with our results,<br />
Cumurcu and colleagues have reported that <strong>the</strong> serum total oxidant<br />
status (TOS) and oxidative stress index (OSI: ratio <strong>of</strong> TOS to TAC)<br />
were significantly higher along with a significantly lower TAC in<br />
<strong>the</strong> pre-treatment stage in major depressive disorder (MDD) patients<br />
compared to <strong>the</strong> healthy control group. Serum TOS and OSI<br />
significantly decreased, whereas TAC significantly increased in <strong>the</strong><br />
post-treatment stage compared to <strong>the</strong> pre-treatment stage in MDD<br />
patients. 27<br />
Oxidative stress conditions can also induce excessive NO production<br />
by activating inducible NOS activity. NO reacts rapidly<br />
with reactive oxygen species (ROS) leading to protein nitration<br />
and vascular cell injury. 60<br />
PPD and anxiety are important concerns for <strong>the</strong> mo<strong>the</strong>r, infant,<br />
and family. Based on our findings, acute administration <strong>of</strong> combined<br />
Zn, Mg, and Vit B 1 3 days after delivery improved depressive<br />
symptoms and anxiety-like behavior. Our findings in <strong>the</strong> evaluation<br />
<strong>of</strong> TAC have confirmed this hypo<strong>the</strong>sis. However we have<br />
investigated only TAC while more tests, such as SOD and MDA<br />
could have been performed to better analyze <strong>the</strong> changes in <strong>the</strong><br />
antioxidant system. We suggest that oral administration <strong>of</strong> <strong>the</strong>se<br />
elements along with o<strong>the</strong>r trace elements and vitamins should be<br />
investigated in future studies. The dosages in this study are for<br />
mice and <strong>the</strong>ir appropriateness for humans should be examined.<br />
Possible pharmacokinetic interactions between Zn, Mg, and Vit B 1<br />
need to be fur<strong>the</strong>r investigated for safety considerations.<br />
Acknowledgments<br />
The authors wish to express <strong>the</strong>ir appreciation to Drs. Shadan,<br />
Beckley, Dehpour, and Zandieh, in addition to Ms. Zaree and Ms.<br />
Fatehi for <strong>the</strong>ir kind help and Dr. Nategh for his cooperation. This<br />
study was supported by a grant from Tehran University <strong>of</strong> Medical<br />
Sciences, Tehran, Iran.<br />
References<br />
1. Skalkidou A, Sylvén SM, Papadopoulos FC, Olovsson M, Larsson A,<br />
Sundstrِm-Poromaa I. Risk <strong>of</strong> postpartum depression in association<br />
310 Archives <strong>of</strong> Iranian Medicine, Volume 15, Number 5, May 2012<br />
S. Nikseresht, S. Etebary, M. Karimian, et al.<br />
with serum leptin and interleukin-6 levels at delivery: A nested case–<br />
control study within <strong>the</strong> UPPSAT cohort. Psychneuroendocrinology.<br />
2009; 34: 1329 – 1337.<br />
2. Steiner M, Dunn E, Born L. Hormones and mood: From menarche to<br />
menopause and beyond. J Afective Disord. 2003; 74: 67 – 83.<br />
3. Green AD, Barr AM, Galea LAM. Role <strong>of</strong> estradiol withdrawal in<br />
‘anhedonic’sucrose consumption: A model <strong>of</strong> postpartum depression.<br />
Physiol Behav. 2009; 97: 259 – 265.<br />
4. Klainin P, Arthur DG. Postpartum depression in Asian cultures: A literature<br />
review. <strong>In</strong>t J Nurs Stud. 2009; 46: 1355 – 1373.<br />
5. Spinelli MG. Maternal infanticide associated with mental illness: Prevention<br />
and <strong>the</strong> promise <strong>of</strong> saved lives. Am J Psychiatry. 2004; 161:<br />
1548 – 1557.<br />
6. Beckley EH, Finn DA. <strong>In</strong>hibition <strong>of</strong> progesterone metabolism mimics<br />
<strong>the</strong> effect <strong>of</strong> progesterone withdrawal on forced swim test immobility.<br />
Pharmacol, Biochem Behav. 2007; 87: 412 – 419.<br />
7. Gulinello M, Gong QH, Smith SS. Progesterone withdrawal increases<br />
<strong>the</strong> anxiolytic actions <strong>of</strong> gaboxadol: Role <strong>of</strong> [alpha] 4 [beta][delta]<br />
GABAA receptors. Neuroreport. 2003; 14: 43.<br />
8. Maguire J, Mody I. GABAAR plasticity during pregnancy: Relevance<br />
to postpartum depression. Neuron. 2008; 59: 207 – 213.<br />
9. Singewald N, Sinner C, Hetzenauer A, Sartori SB, Murck H. Magnesium-deficient<br />
diet alters depression-and anxiety-related behavior in<br />
mice—influence <strong>of</strong> desipramine and hypericum perforatum extract.<br />
Neuropharmacology. 2004; 47: 1189 – 1197.<br />
10. Zonana J, Gorman JM. The neurobiology <strong>of</strong> postpartum depression. <strong>In</strong>t<br />
J Neuropsychiatric Med. 2005; 10: 792 – 799.<br />
11. Bäckström T, Andersson A, Andree L, Birzniece V, Bixo M, Björn I,<br />
et al. Pathogenesis in menstrual cycle-linked CNS disorders. Ann N Y<br />
Acad Sci. 2003; 1007: 42 – 53.<br />
12. Cardoso CC, Lobato KR, Binfaré RW, Ferreira PK, Rosa AO, Santos<br />
ARS, et al. Evidence for <strong>the</strong> involvement <strong>of</strong> <strong>the</strong> monoaminergic system<br />
in <strong>the</strong> antidepressant-like effect <strong>of</strong> magnesium. Prog Neuro-Psychopharmacol<br />
Biol Psychiatry. 2009; 33: 235 – 242.<br />
13. Groer MW, Morgan K. Immune, health and endocrine characteristics<br />
<strong>of</strong> depressed postpartum mo<strong>the</strong>rs. Psychoneuroendocrinology. 2007;<br />
32: 133 – 139.<br />
14. Szewczyk B, Poleszak E, Wla P, Wr bel A, Blicharska E, Cichy A, et<br />
al. The involvement <strong>of</strong> serotonergic system in <strong>the</strong> antidepressant effect<br />
<strong>of</strong> zinc in <strong>the</strong> forced swim test. Prog Neuro-Psychopharmacol Biol<br />
Psychiatry. 2009; 33: 323 – 329.<br />
15. Nowak G, Szewczyk B, Pilc A. Zinc and depression. An update. Pharmacol<br />
Rep. 2005; 57: 713 – 718.<br />
16. Takeda A. Movement <strong>of</strong> zinc and its functional significance in <strong>the</strong><br />
brain. Brain Res Rev. 2000; 34: 137 – 148.<br />
17. Kroczka B, Branski P, Palucha A, Pilc A, Nowak G. Antidepressantlike<br />
properties <strong>of</strong> zinc in rodent forced swim test. Brain Res Bull. 2001;<br />
55: 297 – 300.<br />
18. Nowak G, Szewczyk B, Wieronska JM, Branski P, Palucha A, Pilc A,<br />
et al. Antidepressant-like effects <strong>of</strong> acute and chronic treatment with<br />
zinc in forced swim test and olfactory bulbectomy model in rats. Brain<br />
Res Bull. 2003; 61: 159 – 164.<br />
19. Takeda A, Tamano H, Kan F, Itoh H, Oku N. Anxiety-like behavior<br />
<strong>of</strong> young rats after 2-week zinc deprivation. Behav Brain Res. 2007;<br />
177: 1 – 6.<br />
20. Wَjcik J, Dudek D, Schlegel-Zawadzka M, Grabowska M, Marcinek A,<br />
Florek E, et al. Antepartum/postpartum depressive symptoms and serum<br />
zinc and magnesium levels. Pharmacol Rep. 2006; 58: 571 – 576.<br />
21. Imada Y, Yoshioka S, Ueda T, Katayama S, Kuno Y, Kawahara R. Relationships<br />
between serum magnesium levels and clinical background<br />
factors in patients with mood disorders. Psychiatry Clin Neurosci.<br />
2002; 56: 509 – 514.<br />
22. Loyke HF. Effects <strong>of</strong> elements in human blood pressure control. Biol<br />
Trace Elem Res. 2002; 85: 193 – 209.<br />
23. Poleszak E, Szewczyk B, K dzierska E, Wla P, Pilc A, Nowak G. Antidepressant-and<br />
anxiolytic-like activity <strong>of</strong> magnesium in mice. Pharmacol,<br />
Biochem Behav. 2004; 78: 7 – 12.<br />
24. Eby GA, Eby KL. Rapid recovery from major depression using magnesium<br />
treatment. Med Hypo<strong>the</strong>ses. 2006; 67: 362 – 370.<br />
25. Nakagawasai O, Murata A, Arai Y, Ohba A, Wakui K, Mitazaki S, et al.<br />
Enhanced head-twitch response to 5-HT-related agonists in thiaminedeficient<br />
mice. J Neural Transm. 2007; 114: 1003 – 1010.<br />
26. Nakagawasai O, Yamadera F, Iwasaki K, Asao T, Tan-No K, Niijima F,<br />
et al. Preventive effect <strong>of</strong> kami-untan-to on performance in <strong>the</strong> forced<br />
swimming test in thiamine-deficient mice: Relationship to functions <strong>of</strong><br />
catecholaminergic neurons. Behav Brain Res. 2007; 177: 315 – 321.
27. Cumurcu BE, Ozyurt H, Etikan I, Demir S, Karlidag R. Total antioxidant<br />
capacity and total oxidant status in patients with major depression:<br />
Impact <strong>of</strong> antidepressant treatment. Psychiatry Clin Neurosci. 2009;<br />
63: 639 – 645.<br />
28. Sarandol A, Sarandol E, Eker S, Erdinc S, Vatansever E, Kirli S. Major<br />
depressive disorder is accompanied with oxidative stress: Short-term<br />
antidepressant treatment does not alter oxidative-antioxidative systems.<br />
Hum Psychopharmacol-Clin Exper. 2007; 22: 67 – 73.<br />
29. Bloch M, Rotenberg N, Koren D, Klein E. Risk factors for early postpartum<br />
depressive symptoms. Gen Hosp Psychiatry. 2006; 28: 3 – 8.<br />
30. Bhatia SC, Bhatia SK. Depression in women: Diagnostic and treatment<br />
considerations. Am Fam Physician. 1999; 60: 225 – 234.<br />
31. Pearlstein T. Perinatal depression: Treatment options and dilemmas. J<br />
Psychiatry Neurosci. 2008; 33: 301 – 318.<br />
32. Dennis CL, Chung-Lee L. Postpartum depression help-seeking barriers<br />
and maternal treatment preferences: A qualitative systematic review.<br />
Birth. 2006; 33: 323 – 331.<br />
33. Lobato KR, Binfaré RW, Budni J, Rosa AO, Santos ARS, Rodrigues<br />
ALS. <strong>In</strong>volvement <strong>of</strong> <strong>the</strong> adenosine A1 and A2A receptors in <strong>the</strong> antidepressant-like<br />
effect <strong>of</strong> zinc in <strong>the</strong> forced swimming test. Prog Neuro-<br />
Psychopharmacol Biol Psychiatry. 2008; 32: 994 – 999.<br />
34. Nakagawasai O, Tadano T, Hozumi S, Taniguchi R, Tan-No K, Esashi<br />
A, et al. Characteristics <strong>of</strong> depressive behavior induced by feeding<br />
thiamine-deficient diet in mice. Life Sci. 2001; 69: 1181 – 1191.<br />
35. Kaster MP, Ferreira PK, Santos ARS, Rodrigues ALS. Effects <strong>of</strong> potassium<br />
channel inhibitors in <strong>the</strong> forced swimming test: Possible involvement<br />
<strong>of</strong> L-arginine-nitric oxide-soluble guanylate cyclase pathway.<br />
Behav Brain Res. 2005; 165: 204 – 209.<br />
36. Lister RG. The use <strong>of</strong> a plus-maze to measure anxiety in <strong>the</strong> mouse.<br />
Psychopharmacology. 1987; 92: 180 – 185.<br />
37. Zarrindast MR, Homayoun H, Babaie A, Etminani A, Gharib B. <strong>In</strong>volvement<br />
<strong>of</strong> adrenergic and cholinergic systems in nicotine-induced<br />
anxiogenesis in mice. Eur J Pharmacol. 2000; 407: 145 – 158.<br />
38. Ghasemi M, Sadeghipour H, Mosleh A, Sadeghipour HR, Mani AR,<br />
Dehpour AR. Nitric oxide involvement in <strong>the</strong> antidepressant-like effects<br />
<strong>of</strong> acute lithium administration in <strong>the</strong> mouse forced swimming<br />
test. Eur Neuropsychopharmacol. 2008; 18: 323 – 332.<br />
39. Porsolt RD, Bertin A, Jalfre M. Behavioral despair in mice:Aa primary<br />
screening test for antidepressants. Arch <strong>In</strong>t Pharmacodyn Ther. 1977;<br />
229: 327.<br />
40. Miller N, Rice-Evans C, Davies M, Gopinathan V, Milner A. A novel<br />
method for measuring antioxidant capacity and its application to monitoring<br />
<strong>the</strong> antioxidant status in premature neonates. Clin Sci. 1993; 84:<br />
407 – 412.<br />
41. Ramanathan B, Jan KY, Chen CH, Hour TC, Yu HJ, Pu YS. Resistance<br />
to paclitaxel is proportional to cellular total antioxidant capacity. Cancer<br />
Res. 2005; 65: 8455.<br />
42. St<strong>of</strong>fel EC, Craft RM. Ovarian hormone withdrawal-induced “depression”<br />
in female rats. Physiol Behav. 2004; 83: 505 – 513.<br />
43. Bitran D, Smith SS. Termination <strong>of</strong> pseudopregnancy in <strong>the</strong> rat produces<br />
an anxiogenic-like response that is associated with an increase<br />
in benzodiazepine receptor binding density and a decrease in GABAstimulated<br />
chloride influx in <strong>the</strong> hippocampus. Brain Res Bull. 2005;<br />
64: 511 – 518.<br />
44. Rosa AO, Lin J, Calixto JB, Santos ARS, Rodrigues ALS. <strong>In</strong>volvement<br />
<strong>of</strong> NMDA receptors and L-arginine-nitric oxide pathway in <strong>the</strong><br />
antidepressant-like effects <strong>of</strong> zinc in mice. J Affective Disord. 2003;<br />
Zn, Mg and Thiamine in PPD<br />
144: 87 – 93.<br />
45. Nahar Z, Azad MAK, Rahman MA, Rahman MA, Bari W, Islam SN,<br />
et al. Comparative analysis <strong>of</strong> serum manganese, zinc, calcium, copper<br />
and magnesium level in panic disorder patients. Biol Trace Elem Res.<br />
2009; 133: 1 – 7.<br />
46. Cieslik K, Klenk-Majewska B, Danilczuk Z, Wrَbel A, Lupina T, Ossowska<br />
G. <strong>In</strong>fluence <strong>of</strong> zinc supplementation on imipramine effect in<br />
a chronic unpredictable stress (CUS) model in rats. Pharmacol Rep.<br />
2007; 59: 46 – 52.<br />
47. Cunha MP, Machado DG, Bettio LEB, Capra JC, Rodrigues ALS. <strong>In</strong>teraction<br />
<strong>of</strong> zinc with antidepressants in <strong>the</strong> tail suspension test. Prog<br />
Neuro-Psychopharmacol Biol Psychiatry. 2008; 32: 1913 – 1920.<br />
48. Frederickson CJ, Koh JY, Bush AI. The neurobiology <strong>of</strong> zinc in health<br />
and disease. Nat Rev Neurosci. 2005; 6: 449 – 462.<br />
49. Fujimori K, Ishida T, Yamada J, Sato A. The effect <strong>of</strong> magnesium sulfate<br />
on <strong>the</strong> behavioral activities <strong>of</strong> fetal goats. Obstet Gynecol. 2004;<br />
103: 137.<br />
50. Ghasemi M, Montaser-Kouhsari L, Shafaroodi H, Nezami BG, Ebrahimi<br />
F, Dehpour AR. NMDA receptor/nitrergic system blockage augments<br />
antidepressant-like effects <strong>of</strong> paroxetine in <strong>the</strong> mouse forced<br />
swimming test. Psychopharmacology. 2009; 206: 325 – 333.<br />
51. Sadeghipour HR, Ghasemi M, Sadeghipour H, Riazi K, Soufiabadi M,<br />
Fallahi N, et al. Nitric oxide involvement in estrous cycle-dependent<br />
changes <strong>of</strong> <strong>the</strong> behavioral responses <strong>of</strong> female rats in <strong>the</strong> elevated plusmaze<br />
test. Behav Brain Res. 2007; 178: 10 – 17.<br />
52. Rodríguez-Landa JF, Contreras CM, García-Ríos RI. Allopregnanolone<br />
microinjected into <strong>the</strong> lateral septum or dorsal hippocampus reduces<br />
immobility in <strong>the</strong> forced swim test: Participation <strong>of</strong> <strong>the</strong> GABAA<br />
receptor. Behav Pharmacol. 2009; 20: 614.<br />
53. Koklu E, Akcakus M, Narin F, Saraymen R. The relationship between<br />
birth weight, oxidative stress and bone mineral status in newborn infants.<br />
J Paediatr Child Health. 2007; 43: 667 – 672.<br />
54. Toy H, Camuzcuoglu H, Arioz DT, Kurt S, Celik H, Aksoy N. Serum<br />
prolidase activity and oxidative stress markers in pregnancies with intrauterine<br />
growth restricted infants. J Obstet Gynecol Res. 2009; 35:<br />
1047 – 1053.<br />
55. Khanzode SD, Dakhale GN, Khanzode SS, Saoji A, Palasodkar R.<br />
Oxidative damage and major depression: The potential antioxidant action<br />
<strong>of</strong> selective serotonin re-uptake inhibitors. Redox Rep. 2003; 8:<br />
365 – 370.<br />
56. Duvan CI, Cumaoglu A, Turhan NO, Karasu C, Kafali H. Oxidant/antioxidant<br />
status in premenstrual syndrome. Arch Gynecol Obstet. 2010;<br />
DOI:10.1007/s00404-009-1347-y.<br />
57. Erel O. A novel automated direct measurement method for total antioxidant<br />
capacity using a new generation, more stable ABTS radical<br />
cation. Clin Biochem. 2004; 37: 277 – 285.<br />
58. Galecki P, Szemraj J, Bienkiewicz M, Zboralski K, Gaecka E. Oxidative<br />
stress parameters after combined fluoxetine and acetylsalicylic<br />
acid <strong>the</strong>rapy in depressive patients. Hum Psychopharmacol Clin Exp.<br />
2009; 24: 277 – 286.<br />
59. S<strong>of</strong>ic E, Rustembegovic A, Kroyer G, Cao G. Serum antioxidant capacity<br />
in neurological, psychiatric, renal diseases and cardiomyopathy.<br />
J Neural Transm. 2002; 109: 711 – 719.<br />
60. Kamper EF, Chatzigeorgiou A, Tsimpoukidi O, Kamper M, Dalla C,<br />
Pitychoutis P, et al. Sex differences in oxidant/antioxidant balance under<br />
a chronic mild stress regime. Physiol Behav. 2009; 98: 215 – 222.<br />
Archives <strong>of</strong> Iranian Medicine, Volume 15, Number 5, May 2012 311
312 Archives <strong>of</strong> Iranian Medicine, Volume 15, Number 5, May 2012<br />
Original Article<br />
Microbial Susceptibility, Virulence Factors, and Plasmid Pr<strong>of</strong>iles<br />
<strong>of</strong> Uropathogenic Escherichia coli Strains Isolated from Children<br />
in Jahrom, Iran<br />
Shohreh Farshad PhD• 1 , Reza Ranjbar PhD 2 , Aziz Japoni PhD 1 , Marziyeh Hosseini MSc 1 , Mojtaba Anvarinejad MSc 1 , Reza Mohammadzadegan<br />
PhD 3<br />
Abstract<br />
Background: Urinary tract infections (UTIs), including cystitis and pyelonephritis, are <strong>the</strong> most common infectious diseases in childhood.<br />
Escherichia coli (E. coli) accounts for as much as 90% <strong>of</strong> <strong>the</strong> community-acquired and 50% <strong>of</strong> nosocomial UTIs. Therefore, identification<br />
<strong>of</strong> E. coli strains is important for both clinical and epidemiological implications. Understanding antibiotic resistance patterns and molecular<br />
characterization <strong>of</strong> plasmids and o<strong>the</strong>r genetic elements is also epidemiologically useful.<br />
Methods: To characterize uropathogenic strains <strong>of</strong> E. coli, we studied 96 E. coli strains recovered from urine samples <strong>of</strong> children aged<br />
1 month to 14 years with community-acquired UTIs in Jahrom, Iran. We assessed virulence factors (VFs), drug sensitivities, and plasmid<br />
pr<strong>of</strong>iles.<br />
Results: Drug sensitivities <strong>of</strong> <strong>the</strong> isolates were: 19.8% (ampicillin), 24% (trimethoprim-sulfamethoxazole), 29.2% ( tetracycline), 75.5%<br />
(nalidixic acid), 80.4% (cefixime), 84.6% (gentamicin), 91.4% (cipr<strong>of</strong>loxacin), 96.8% (nitr<strong>of</strong>urantoin), 96.8% (amikacin) and 100% (imipenem).<br />
Totally, 76 isolates harbored plasmids with an average <strong>of</strong> 5.5 plasmids (range: 1 – 10) in each strain. Plasmid pr<strong>of</strong>iling distinguished 22 different<br />
E. coli genotypes in all isolates that ranged in similarity from 50% to 100%. PCR showed that <strong>the</strong> prevalence <strong>of</strong> virulence genes ranged<br />
from 15.62% for hly to 30.2% for pap.<br />
Conclusion: These data mandate local monitoring <strong>of</strong> drug resistance and its consideration in empirical <strong>the</strong>rapy <strong>of</strong> E. coli infections. Plasmid<br />
analysis <strong>of</strong> representative E. coli isolates also demonstrates <strong>the</strong> presence <strong>of</strong> a wide range <strong>of</strong> plasmid sizes, with no consistent relationship<br />
between plasmid pr<strong>of</strong>iles and resistance phenotypes. Plasmid pr<strong>of</strong>iles distinguished more strains than did <strong>the</strong> antimicrobial susceptibility<br />
pattern.<br />
Keywords: E. coli, plasmid, UTI, virulence genes<br />
Cite this article as: Farshad S, Ranjbar R, Japoni A, Hosseini M, Anvarinejad M, Mohammadzadegan R. Microbial Susceptibility, Virulence Factors, and Plasmid<br />
Pr<strong>of</strong>iles <strong>of</strong> Uropathogenic Escherichia coli Strains Isolated from Children in Jahrom, Iran. Arch Iran Med. 2012; 15(5): 312 – 316.<br />
<strong>In</strong>troduction<br />
Escherichia coli (E. coli) is one <strong>of</strong> <strong>the</strong> most important causes<br />
<strong>of</strong> community-acquired and human nosocomial infections.<br />
The organism is <strong>the</strong>refore <strong>of</strong> clinical importance and can be<br />
isolated from various clinical specimens. 1 Urinary tract infections<br />
(UTIs), including cystitis and pyelonephritis, are <strong>the</strong> most common<br />
infectious diseases in childhood. E. coli accounts for as much as<br />
90% <strong>of</strong> <strong>the</strong> community-acquired and 50% <strong>of</strong> <strong>the</strong> nosocomial<br />
UTIs. 2,3<br />
The pathogenic potential <strong>of</strong> E. coli strains is thought to be dependent<br />
on <strong>the</strong> presence <strong>of</strong> virulence factors (VFs), 4 which are located<br />
on large plasmids and/or in particular regions, called ‛pathogenicity<br />
islands’ (PAIs), on <strong>the</strong> chromosome. 5,6 Identification <strong>of</strong> E. coli<br />
strains is important for both clinical and epidemiological implica-<br />
Authors’ Affiliations: 1 Alborzi Clinical Microbiology Research Center, Shiraz<br />
University <strong>of</strong> Medical Sciences, Shiraz, Iran, 2 Molecular Biology Research Center,<br />
Baqiyatallah University <strong>of</strong> Medical Sciences, Tehran, Iran, 3 <strong>In</strong>terdisciplinary<br />
Nanoscience Center (INANO), Århus University, Århus, Denmark<br />
•Corresponding author and reprints: Shohreh Farshad PhD, Alborzi Clinical<br />
Microbiology Research Center, Shiraz University <strong>of</strong> Medical Sciences, Nemazee<br />
Hospital, Shiraz 71937-11351, Iran. Tel: +98 711 6474294,<br />
Fax: +98 711 6474303, E-mail:farshads@sums.ac.ir<br />
Accepted for publication: 14 September 2011<br />
tions. Understanding antibiotic resistance patterns and molecular<br />
characterization <strong>of</strong> plasmids and o<strong>the</strong>r genetic elements is also<br />
epidemiologically useful. Antibiotic susceptibility is reported to be<br />
dynamic in bacteria, and it differs according to time and environment.<br />
7 Therefore, <strong>the</strong>re is a need for periodic screening <strong>of</strong> common<br />
bacterial pathogens to determine <strong>the</strong>ir antibiotic susceptibility<br />
pr<strong>of</strong>iles in different communities. 1 Comparing plasmid pr<strong>of</strong>iles<br />
is a useful method to assess <strong>the</strong> possible relatedness <strong>of</strong> individual<br />
clinical isolates <strong>of</strong> a particular bacterial species for epidemiological<br />
studies. 8<br />
The present study isolated E. coli strains from clinical samples <strong>of</strong><br />
patients with UTIs who resided in Jahrom, a city in sou<strong>the</strong>rn Iran.<br />
Strains were isolated by culture methods and characterized by <strong>the</strong><br />
appropriate biochemical, serological, and antibiogram tests. <strong>In</strong> this<br />
study, we performed molecular techniques such as plasmid pr<strong>of</strong>ile<br />
analysis and PCR. This study also investigated <strong>the</strong> reliability <strong>of</strong><br />
drug sensitivity patterns and plasmid pr<strong>of</strong>iles in <strong>the</strong> discrimination<br />
<strong>of</strong> E. coli strains isolated from UTI epidemics.<br />
Materials and Methods<br />
S. Farshad, R. Ranjbar, A. Japoni , et al.<br />
Patients and bacterial isolation<br />
E. coli strains were isolated from urine samples <strong>of</strong> children aged<br />
l month to 14 years, who presented at Motahari Hospital, Jahrom,
Table 1. Antibiotic sensitivity <strong>of</strong> E. coli strains isolated from children with UTI<br />
Antibiotic Sensitivity n (%)<br />
Ampicillin 19 (19.8)<br />
Trimethoprim- Sulfamethoxazole 23 (24)<br />
Tetracycline 28 (29.2)<br />
Nalidixic acid 72 (75.5)<br />
Cefixim 77 (80.4)<br />
Gentamicin 81 (84.6)<br />
Cipr<strong>of</strong>loxacin 88 (91.4)<br />
Nitrifurantoin 93 (96.8)<br />
Amikacin 93 (96.8)<br />
Imipenem 96 (100)<br />
Table 2. Prevalence <strong>of</strong> virulence genes in E. coli strains isolated from different groups <strong>of</strong> children with UTI.<br />
Virulence genes<br />
Clinical findings (%) Kidney ultrasound (%) Sex (%)<br />
Pyelonephritis Cystitis Normal Abnormal Male Female<br />
pap<br />
+ (%)<br />
- (%)<br />
66.7<br />
46.5<br />
33.3<br />
53.5<br />
62.5<br />
54.5<br />
37.5<br />
45.5<br />
41.7<br />
33.3<br />
58.3<br />
66.7<br />
sfa<br />
+ (%)<br />
- (%)<br />
62.5<br />
50<br />
37.5<br />
50<br />
33.3<br />
59.3<br />
66.7<br />
40.7<br />
33.3<br />
35.9<br />
66.7<br />
64.1<br />
cnf-1<br />
+ (%)<br />
- (%)<br />
63.6<br />
48.7<br />
36.4<br />
51.3<br />
16.7<br />
72.4<br />
83.3<br />
27.6<br />
35<br />
35.7<br />
65<br />
64.3<br />
h ly<br />
+ (%)<br />
- (%)<br />
85.7<br />
47.1<br />
14.3<br />
52.9<br />
100<br />
61.8<br />
0<br />
38.2<br />
50<br />
333.3<br />
50<br />
66.7<br />
Iran. E. coli isolates were identified by standard methods. 9 The<br />
exclusion criteria were recent antibiotic use during <strong>the</strong> past 28<br />
days and nosocomial infections, defined as infections 48 h postadmission<br />
or within 4 weeks following a previous discharge. Positive<br />
urine cultures were defined by <strong>the</strong> growth <strong>of</strong> a single colony<br />
morphotype with counts > 10 5 colony forming unit/ml.<br />
Susceptibility testing<br />
Susceptibility <strong>of</strong> all <strong>the</strong> isolates to different antibiotics was determined<br />
by <strong>the</strong> disk diffusion method, as recommended by <strong>the</strong><br />
National Committee for Clinical Laboratory Standards. 10 Commercial<br />
antimicrobial disks (Mast Co., UK) used in this study<br />
were: ampicillin (10 µg), nalidixic acid (30 µg), cefixime (5 µg),<br />
gentamicin (10 µg), nitr<strong>of</strong>urantoin (300 µg), cipr<strong>of</strong>loxacin (5 µg),<br />
amikacin (30 µg), and imipenem (10 µg). E. coli ATCC 25922 was<br />
used for quality-control purposes.<br />
Preparation <strong>of</strong> bacterial DNA<br />
DNA to be amplified was extracted from <strong>the</strong> whole organisms<br />
by boiling. Bacteria were harvested from 1.5 ml <strong>of</strong> an overnight<br />
Luria-Bertani broth culture, suspended in sterile distilled water,<br />
and incubated at 95 o C for 10 min. Following centrifugation <strong>of</strong><br />
<strong>the</strong> lysate, <strong>the</strong> supernatant was stored at -20 o C as a template DNA<br />
stock. DNA from uropathogenic E. coli strain J96 was extracted<br />
and used as a positive control in our PCR reaction.<br />
Detection <strong>of</strong> virulence factors (VFs)<br />
Detection <strong>of</strong> pap, sfa, cnf-1, and hly genes was performed by<br />
gene amplification using Multiplex-PCR. The primer sequences<br />
were previously reported 11 and obtained from TIB MOLBIOL<br />
Syn<strong>the</strong>selabor GmbH (Berlin, Germany). Descriptions and sequences<br />
<strong>of</strong> <strong>the</strong> PCR primers used in this study are presented in<br />
Table 1. O<strong>the</strong>r enzymes and chemicals were provided by Cinnagen<br />
Chemical Company (Tehran, Iran). The amplification steps<br />
were accomplished based on methods described by Yamamoto et<br />
Molecular characterization <strong>of</strong> E. coli<br />
al. using a <strong>the</strong>rmal cycler (Eppendorf, Germany). 12 Negative control<br />
reactions with distilled water were performed with each batch<br />
<strong>of</strong> amplification to exclude <strong>the</strong> possibility <strong>of</strong> any contamination.<br />
Expected sizes <strong>of</strong> <strong>the</strong> amplicons were ascertained by electrophoresis<br />
in 1.5% agarose gel with an appropriate molecular size marker<br />
(100 bp DNA ladder, MBI, Fermentas, Lithuania).<br />
Plasmid DNA extraction<br />
Plasmid DNA was extracted from E. coli strains according to <strong>the</strong><br />
alkaline lysis method by Brinboim and Doly (1979). 13 Extracted<br />
plasmid DNA was separated by horizontal electrophoresis in an<br />
0.8% agarose slab gel in tris-acetate EDTA (TAE) buffer at room<br />
temperature at 60 V for 4 h. Using ethidium bromide, <strong>the</strong> gel was<br />
stained after electrophoresis and video images were prepared by a<br />
gel documentation system. The molecular mass <strong>of</strong> <strong>the</strong> unknown<br />
plasmid DNA was assessed by comparing plasmid mobilities with<br />
<strong>the</strong> known supercoiled DNA ladder (Gibco-BRL, England). The<br />
Photo Capt Mw program was used to determine <strong>the</strong> molecular<br />
weight <strong>of</strong> plasmid bands and analyze plasmid pr<strong>of</strong>iles.<br />
Analysis <strong>of</strong> similarity among strains and construction <strong>of</strong> a dendrogram<br />
Similarities among <strong>the</strong> isolates as based upon plasmid pr<strong>of</strong>iles<br />
were analyzed by Numerical Taxonomy and Multivariate Analysis<br />
System s<strong>of</strong>tware (NTSYS-PC ver. 2.02) for dendrogram construction.<br />
The matrix <strong>of</strong> similarity <strong>of</strong> coefficients was subjected to unweighted<br />
pair-group method analysis (UPGMA) to generate dendrograms<br />
using <strong>the</strong> average linkage procedure.<br />
Statistical analysis<br />
Statistical analysis was performed using SPSS s<strong>of</strong>tware for Windows,<br />
ver.15 (SPSS, IBM, USA). Chi-square was used to evaluate<br />
<strong>the</strong> variables correlation. P values less than 0.05 were considered<br />
significant.<br />
Archives <strong>of</strong> Iranian Medicine, Volume 15, Number 5, May 2012 313
Results<br />
Patients and E. coli strains<br />
Totally, 96 strains <strong>of</strong> E. coli were isolated from children with<br />
UTI, aged 1 month to 14 years (mean 21.8 ± 26.9 months). There<br />
were 60 females (62.5%) and 36 males (37.5%). Among patients,<br />
46.6% had cystitis and 53.3% were diagnosed with acute pyelonephritis,<br />
which was more prevalent in girls (63.2% vs. 36.4%, p<br />
= 0.04). Only 37 patients underwent kidney sonography. Fourteen<br />
cases had abnormal findings that included reflux, UPJ stenosis,<br />
multicystic kidney, and single kidney.<br />
Antibiotic susceptibility analysis<br />
As shown in Table 1, drug sensitivities <strong>of</strong> <strong>the</strong> isolates were:<br />
19.8% (ampicillin), 75.5% (nalidixic acid), 80.4% (cefixime),<br />
84.6% (gentamicin), 91.4% (cipr<strong>of</strong>loxacin), 96.8% (nitr<strong>of</strong>urantoin),<br />
and 96.8% (amikacin). Sensitivity to imipenem was 100%.<br />
Multiple resistance to ampicillin, gentamicin, nalidixic acid, and<br />
cefixime were seen in 2.1% <strong>of</strong> <strong>the</strong> isolates, but no case <strong>of</strong> multidrug<br />
resistance to all drugs was detected. Only 12.5% <strong>of</strong> <strong>the</strong> strains<br />
were susceptible to all tested antibiotics. The remaining strains<br />
were resistant to one or more antibiotics.<br />
Detection <strong>of</strong> E. coli virulence genes by PCR assay<br />
PCR assay showed that <strong>the</strong> prevalence <strong>of</strong> virulence genes ranged<br />
from 15.62% for hly to 30.2% for pap. Of <strong>the</strong> studied toxin coding<br />
genes, cnf-1 (22.91%) was more prevalent than hly (15.62%). For<br />
<strong>the</strong> adhesion coding genes, pap (30.2%) was more prevalent than<br />
sfa (18.75%). There were 67 (69.8%) strains that were negative<br />
for <strong>the</strong> virulence genes.<br />
Figure 1. Plasmid patterns <strong>of</strong> some representative uropathogenic E. coli<br />
strains.<br />
Plasmid pr<strong>of</strong>ile analysis<br />
Analysis <strong>of</strong> plasmid DNA revealed that, totally, 76 isolates harbored<br />
plasmids with an average <strong>of</strong> 5.5 plasmids (range from 1 –<br />
10) in each strain. Figure 1 shows <strong>the</strong> plasmid patterns <strong>of</strong> some<br />
representative strains <strong>of</strong> <strong>the</strong> isolates. Plasmid sizes ranged from 1<br />
to 33 kb in <strong>the</strong> isolates. The plasmids with <strong>the</strong> sizes <strong>of</strong> 4-5 kb were<br />
314 Archives <strong>of</strong> Iranian Medicine, Volume 15, Number 5, May 2012<br />
<strong>the</strong> most frequent plasmids, and were seen in about 28.94% <strong>of</strong> <strong>the</strong><br />
isolates, while plasmids <strong>of</strong> 11 – 12 kb, 21 – 22 kb, 26 – 27 kb, and<br />
29 – 30 kb were detected in only 1.31% <strong>of</strong> <strong>the</strong> isolates.<br />
Genetic similarity among <strong>the</strong> isolates<br />
The genetic similarities among <strong>the</strong> 76 E. coli strains based on<br />
<strong>the</strong>ir plasmid patterns are represented by <strong>the</strong> dendrogram shown<br />
in Figure 2.<br />
Discussion<br />
S. Farshad, R. Ranjbar, A. Japoni , et al.<br />
Frequent irrational use <strong>of</strong> antibiotics changes <strong>the</strong> intestinal flora,<br />
leading to bacterial resistance. 14 <strong>In</strong> this study we observed a high<br />
incidence <strong>of</strong> antibiotic resistance among <strong>the</strong> uropathogenic Escherichia<br />
coli strains. Although resistance to tetracycline was high<br />
(70.8%), ampicillin (80.2%) was <strong>the</strong> most resistant, followed by<br />
trimethoprim-sulfamethoxazole (76%). High levels <strong>of</strong> resistance<br />
to tetracycline, ampicillin, trimethoprim-sulfamethoxazole, chloramphenicol<br />
and sulphonamide have also been reported in o<strong>the</strong>r<br />
studies. 15–17 <strong>In</strong> a previous study in Shiraz, Iran, high levels <strong>of</strong> resistance<br />
to ampicillin (63%), trimethoprim-sulfamethoxazole (48%),<br />
and tetracycline (57%) were documented among E. coli strains obtained<br />
from urine samples. 18 However, <strong>the</strong> incidence <strong>of</strong> resistance<br />
to <strong>the</strong>se antibiotics was higher in our UPEC strains compared to<br />
<strong>the</strong> Shiraz study. As Jahrom is a small city located sou<strong>the</strong>ast <strong>of</strong><br />
Shiraz, <strong>the</strong> increase in antibiotic resistance observed in this study<br />
could be due to an irrational consumption <strong>of</strong> antibiotics and food<br />
from animals that have received antibiotics, transmission <strong>of</strong> resistant<br />
isolates among people, self-medication, and noncompliance<br />
with medication.<br />
No resistance to imipenem was observed in <strong>the</strong> studied isolates.<br />
A high sensitivity <strong>of</strong> E. coli strains to imipenem has been previously<br />
reported. 16,18–21 It seems this antibiotic can serve as a medication<br />
<strong>of</strong> choice for <strong>the</strong> treatment <strong>of</strong> UTI caused by E. coli. However,<br />
it should be noted that unlimited use <strong>of</strong> a medicine can gradually<br />
lead to rising antibiotic resistance.<br />
Resistance to nalidixic acid and chloramphenicol in our isolates<br />
was lower than that observed in studies performed in o<strong>the</strong>r parts <strong>of</strong><br />
<strong>the</strong> world. 16,17<br />
<strong>In</strong> <strong>the</strong> present study, it has also been shown that resistance to cipr<strong>of</strong>loxacin<br />
(8.3%), norfloxacin (8.3%), nitr<strong>of</strong>urantoin (3.1%), and<br />
amikacin (3.1%) was low among <strong>the</strong> UPEC isolates. Shao et al. 22<br />
have shown that amikacin and nitr<strong>of</strong>urantoin are <strong>the</strong> most effective<br />
treatments in children with UTI in China, which could be explained<br />
by <strong>the</strong> low numbers <strong>of</strong> prescriptions <strong>of</strong> <strong>the</strong>se antibacterial<br />
agents for UTI. Thus, <strong>the</strong>y could be used as effective <strong>the</strong>rapy for<br />
children in our area.<br />
A high incidence <strong>of</strong> multidrug resistant (MDR) strains was also<br />
detected among <strong>the</strong> present isolates. About 77% were resistant to 3<br />
or more tested antibiotics. The level <strong>of</strong> MDR among UTI isolates<br />
varies from country to country. For example, it was reported to be<br />
7.1% in <strong>the</strong> USA, 24,25 while 42% <strong>of</strong> <strong>the</strong> UPEC isolates in Slovenia<br />
in 2006 were MDR. 17 MDR causes major consequences such<br />
as empirical <strong>the</strong>rapy <strong>of</strong> E. coli infections as well as possible coselection<br />
<strong>of</strong> antimicrobial resistance mediated by MDR plasmids.<br />
The WHO guidelines recommend trimethoprim-sulfamethoxazole<br />
and ampicillin as <strong>the</strong> first choice for UTI treatment. 26 <strong>In</strong> contrast,<br />
as revealed in <strong>the</strong> present study, <strong>the</strong>se two antibiotics cannot serve<br />
as treatment <strong>of</strong> choice in our region.
Figure 2. Genetic similarities among 76 E. coli strains based on <strong>the</strong>ir plasmid patterns.<br />
Antibiotic resistance among bacteria can occur via plasmids.<br />
Transmission <strong>of</strong> specified characterization through plasmids (vertical<br />
and horizontal) is better than that through a particular bacterial<br />
clone. <strong>In</strong> this research, to reveal <strong>the</strong> clonality <strong>of</strong> UPEC strains<br />
isolated from community-acquired UTIs, <strong>the</strong> plasmid patterns <strong>of</strong><br />
<strong>the</strong> isolates were investigated.<br />
The results showed that 76 (79%) <strong>of</strong> <strong>the</strong> isolates harbored an average<br />
<strong>of</strong> 5.5 plasmids. O<strong>the</strong>r reported results agreed with our study.<br />
Woo-Joo et al. have reported that 87.5% and 72% <strong>of</strong> UPEC strains<br />
carried plasmids. 27 <strong>In</strong> ano<strong>the</strong>r study undertaken by Fluit, <strong>the</strong> prevalence<br />
<strong>of</strong> plasmid in <strong>the</strong> isolates was 81%, which was also similar<br />
to our results. 28<br />
<strong>In</strong> <strong>the</strong> present study, <strong>the</strong> range <strong>of</strong> plasmids was 1-10 while Malkawi<br />
has reported <strong>the</strong> numbers <strong>of</strong> plasmids to be approximately<br />
1 – 6 in E. coli strains. 29<br />
Molecular weights <strong>of</strong> <strong>the</strong> plasmids were between 1-33 kb. <strong>In</strong> a<br />
research conducted by Malkawi, <strong>the</strong> plasmid sizes were from 1.5<br />
– 54 kb. 29 Tsen has reported a range <strong>of</strong> 2 – 22 kb for plasmid<br />
sizes. 30 Danbara et al. have also reported plasmid size variations<br />
between 3.9 kb and 50 kb in E. coli strains. 31 We detected plasmid<br />
weight ranges <strong>of</strong> 11 – 12 kb, 21 – 22 kb, 26 – 27 kb, and<br />
29 – 30 kb in only 1.31% <strong>of</strong> <strong>the</strong> isolates. Those with 4-5 kb were<br />
<strong>the</strong> most frequent plasmids, seen in about 28.94% <strong>of</strong> <strong>the</strong> isolates<br />
and among <strong>the</strong> strains resistant to <strong>the</strong> medicines under <strong>the</strong> study.<br />
These data show that <strong>the</strong> former plasmids have a lower stability<br />
in comparison with 4 – 5 kb plasmids. As ampicillin showed <strong>the</strong><br />
most resistance, <strong>the</strong>refore we have suggested that <strong>the</strong> gene coding<br />
for ampicillin resistance could be located on this plasmid. On <strong>the</strong><br />
o<strong>the</strong>r hand, 21% <strong>of</strong> our isolates have no plasmids, yet <strong>the</strong>y were<br />
resistant to a large number <strong>of</strong> antibiotics. Possibly, some antibiotic<br />
resistance genes may not be located in <strong>the</strong> plasmid but may be<br />
on <strong>the</strong> bacterial chromosome. <strong>In</strong> order to prove <strong>the</strong> relationship<br />
between <strong>the</strong> plasmid and its resistance, additional studies such as<br />
plasmid curing and transferring <strong>of</strong> <strong>the</strong> plasmid to o<strong>the</strong>r known bac-<br />
Molecular characterization <strong>of</strong> E. coli<br />
teria should be performed. Similarity among isolates on <strong>the</strong> basis<br />
<strong>of</strong> <strong>the</strong> plasmid pr<strong>of</strong>ile was also analyzed by NTSYS-PC ver. 2.02K<br />
s<strong>of</strong>tware (Figure 2). As seen in <strong>the</strong> dendrogram, similarities ranged<br />
from 50% to 100%. Plasmid pr<strong>of</strong>iling could distinguish 22 different<br />
E. coli genotypes in all isolates named A1-A22. Pattern A1 has<br />
included 31 isolates with 100% similarity and pattern A2 has 14<br />
isolates with 100% similarity. It seems that patients with E. coli<br />
strains with each <strong>of</strong> <strong>the</strong>se two models <strong>of</strong> plasmid patterns are likely<br />
to obtain <strong>the</strong> sources <strong>of</strong> <strong>the</strong> bacteria from a clone with a high incidence<br />
<strong>of</strong> bacterial gene transfer in <strong>the</strong> community. According to <strong>the</strong><br />
data shown in Table 2, plasmid pr<strong>of</strong>iles distinguished more strains<br />
than did <strong>the</strong> antimicrobial susceptibility pattern.<br />
Saif and Umolu reported a high prevalence <strong>of</strong> plasmids in antibiotic<br />
resistant E. coli strains isolated from animals. 1,32 <strong>In</strong> Jahrom,<br />
most people are in close contact with animals, thus it could be suggested<br />
that animals may be a source for antibiotic resistant gene<br />
dissemination.<br />
<strong>In</strong> an attempt to investigate <strong>the</strong> prevalence <strong>of</strong> 4 important VFs,<br />
cnf-1, sfa, pap and hly, in resistant compared to susceptible uropathogenic<br />
E. coli strains isolated from urine samples <strong>of</strong> children<br />
with UTI, we found that pap operon was, as expected, <strong>the</strong> most<br />
prevalent virulence factor identified. Regarding pap, pooled results<br />
with <strong>the</strong> present data indicated a crucial role <strong>of</strong> this virulence factor<br />
in E. coli-associated UTI. 33,34 It has recently been shown that<br />
<strong>the</strong> transformation <strong>of</strong> E. coli with pap sequences is sufficient to<br />
convert it to a more potent host response inducer, with P fimbriae<br />
lowering <strong>the</strong> significant bacteriuria threshold. 35 The distribution <strong>of</strong><br />
<strong>the</strong> sfa operon found among studied strains was also similar to previously<br />
reported data. The prevalence <strong>of</strong> hly among <strong>the</strong> collected<br />
clinical isolates also matched those reported by o<strong>the</strong>r investigators.<br />
4,35 However, in our study, <strong>the</strong> cnf-1 operon was more prevalent<br />
than in o<strong>the</strong>r studies. 4,11,35 Possibly, <strong>the</strong> cnf-1 gene played an<br />
important role in UTI in our study.<br />
<strong>In</strong> conclusion, <strong>the</strong> high incidence <strong>of</strong> MDR strains detected among<br />
Archives <strong>of</strong> Iranian Medicine, Volume 15, Number 5, May 2012 315
<strong>the</strong> present isolates mandate local monitoring <strong>of</strong> resistance and its<br />
consideration in empirical <strong>the</strong>rapy <strong>of</strong> E. coli infections, particularly<br />
those which cause UTIs. We found that pap operon was, as expected,<br />
<strong>the</strong> most prevalent virulence factor identified. Plasmid analysis<br />
<strong>of</strong> representative E. coli isolates also demonstrated <strong>the</strong> presence<br />
<strong>of</strong> a wide range <strong>of</strong> plasmid sizes, with no consistent relationship<br />
between plasmid pr<strong>of</strong>iles and resistant phenotypes. A common<br />
large plasmid with a molecular size <strong>of</strong> 28 kb was responsible for<br />
transferring partial resistance. <strong>In</strong> our study, plasmid pr<strong>of</strong>iles distinguished<br />
more strains than <strong>the</strong> antimicrobial susceptibility pattern.<br />
Acknowledgments<br />
This work was supported by research grant #83-14 from Pr<strong>of</strong>essor<br />
Alborzi Clinical Microbiology Research Center, Shiraz University<br />
<strong>of</strong> Medical Sciences. The authors wish to thank Dr. Fatemeh<br />
Emmamghorashi for her assistance with sample collection and Dr.<br />
Hassan Khajehi for his editorial assistance.<br />
References<br />
1. Umolu Pdia, Okoli EN, Izomoh IM. Antimicrobial susceptibility and<br />
plasmid pr<strong>of</strong>iles <strong>of</strong> Escherichia coli isolates obtained from different human<br />
clinical specimens in Lagos – Nigeria. J Am Sci. 2006; 2: 70 – 76.<br />
2. Vila J, Simon K, Ruiz J, Horcajada JP, Velasco M, Barranco M, et al.<br />
Are quinolone-resistant uropathogenic Escherichia coli less virulent? J<br />
<strong>In</strong>fect Dis. 2002; 186: 1039 – 1042.<br />
3. Svanborg C, <strong>God</strong>aly G. Bacterial virulence in urinary tract infection.<br />
<strong>In</strong>fect Dis Clin North Am. 1997; 11: 513 – 529.<br />
4. Johnson JR. Virulence factors in Escherichia coli urinary tract infection.<br />
Clin Microbiol Rev. 1991; 4: 80 – 128.<br />
5. Hacker J, Blum-Oehler G, Mühldorfer I, Tschäpe H. Pathogenicity islands<br />
<strong>of</strong> virulent bacteria: Structure, function and impact on microbial<br />
evolution. Mol Microbiol. 1997; 23: 1089 – 1097.<br />
6. Farshad S, Emamghoraishi F, Japoni A. Association <strong>of</strong> virulent genes<br />
hly, sfa, cnf-1 and pap with antibiotic sensitivity in Escherichia coli<br />
strains isolated from children with community-acquired UTI. Iran Red<br />
Cresc Med J. 2010; 12: 30 – 34.<br />
7. Hassan SH. Sensitivity <strong>of</strong> salmonella and shigella to antibiotics and<br />
chemo<strong>the</strong>rapeutic agents in Sudan. J Trop Med Hyg. 1985; 88: 243<br />
– 248.<br />
8. Horcajada JP, Soto S, Gajewski A, Smithson A, Jiménez de Anta MT,<br />
Mensa J, et al. Quinolone-resistant uropathogenic Escherichia coli<br />
strains from phylogenetic group B2 have fewer virulence factors than<br />
<strong>the</strong>ir susceptible counterparts. J Clin Microbiol. 2005; 43: 2962 –<br />
2964.<br />
9. Farmer JJ. Enterobacteriaceae: <strong>In</strong>troduction and identification. <strong>In</strong>:<br />
Murray PR, Baron EJ, Phaler MA, Tenover FC, Yolken RH, eds. Manual<br />
<strong>of</strong> Clinical Microbiology. Washington: ASM Press; 1999: 438.<br />
10. National Committee for Clinical Laboratory Standards. Performance<br />
standards for antimicrobial susceptibility testing. Eighth informational<br />
supplement Villanova, PA, 2000. Approved standard M2 A7.<br />
11. Arisoy M, Aysev D, Ekim M, Özel D, Kose SK, Özsoy ED, et al.<br />
Detection <strong>of</strong> virulence factors <strong>of</strong> Escherichia coli from children by<br />
multiplex polymerase chain reaction. <strong>In</strong>ter J Clini Pract. 2006; 60:<br />
170 – 173.<br />
12. Yamamoto S, Terai A, Yuri K, Kurazono H, Takeda Y, Yoshida O, et<br />
al. Detection <strong>of</strong> urovirulence factors in Escherichia coli by multiplex<br />
polymerase chain reaction. FEMS Immunol Med Microbiol. 1995; 12:<br />
85 – 90.<br />
13. Birnboim H, Doly J. A rapid alkaline extraction procedure for screening<br />
recombinant plasmid DNA. Nucleic Acids Res. 1979; 7: 1513 –<br />
1523.<br />
14. Soto S, Jimenez de Anta M, Vila J. Quinolones induce partial or total<br />
loss <strong>of</strong> pathogenicity islands in uropathogenic Escherichia coli by<br />
SOS-dependent or-independent pathways, respectively. Antimicrob<br />
316 Archives <strong>of</strong> Iranian Medicine, Volume 15, Number 5, May 2012<br />
S. Farshad, R. Ranjbar, A. Japoni , et al.<br />
Agents Chemo<strong>the</strong>r. 2006; 50: 649 – 653.<br />
15. Mehr SS, Powell CV, Curtis N. Cephalosporin resistant urinary tract<br />
infection in young children. J Paedi Child Health. 2004; 40: 48 – 52.<br />
16. Mathai E, Grape M, Kronvall G. <strong>In</strong>tegrons and multidrug resistance<br />
among Escherichia coli causing community acquired urinary tract infection<br />
in sou<strong>the</strong>rn <strong>In</strong>dia. APMIS. 2004; 112: 159 – 164.<br />
17. Rijavec M, Starcic Ergivec M, Ambrozic Augustin J, Reissbrodt R,<br />
Fruth A, Krizan-Hergouth V, et al. High prevalence <strong>of</strong> multidrug resistance<br />
and random distribution <strong>of</strong> mobile genetic elements among<br />
uropathogenic Escherichia coli (UPEC) <strong>of</strong> <strong>the</strong> four major phylogenetic<br />
groups. Curr Microbiol. 2006; 53: 158 – 162.<br />
18. Japoni A, Gudarzi M, Farshad SH, Basiri E, Ziyaeyan M, Alborzi A,<br />
et al. Assay for integrons and pattern <strong>of</strong> antibiotic resistance in clinical<br />
Escherichia coli strains by PCR-RFLP in Sou<strong>the</strong>rn Iran. Jpn J <strong>In</strong>fect<br />
Dis. 2008; 61: 85 – 88.<br />
19. Adwan K, Abu-hasan N, Adwan G, Jarrar N, Abu-shanab B, Al-masri<br />
M. Molecular epidemiology <strong>of</strong> antibiotic-resistant Escherichia coli isolated<br />
from hospitalized patient with urinary tract infection in Nor<strong>the</strong>n<br />
Palestine. Pol J Microbiol. 2004; 53: 23 – 26.<br />
20. Tariq N, Jaffery T, Ayub R, Alam AY, Javid MH, Shafique S. Frequency<br />
and antimicrobial susceptibility <strong>of</strong> aerobic bacterial vaginal isolates.<br />
JCPSP. 2006. 16: 196 – 199.<br />
21. Gulsun S, Oguzoglu N, <strong>In</strong>an A, Ceran N. The virulence factors and antibiotic<br />
sensitivities <strong>of</strong> Escherichia coli isolated from recurrent urinary<br />
tract infections. Saudi Med J. 2005; 26: 1755 – 1758.<br />
22. Shao HF, Wang WP, Zhang XW, Li ZD (2004). Distribution and resistance<br />
trends <strong>of</strong> pathogens from urinary tract infections and impact on<br />
management. <strong>In</strong>ternal. J. Antimicrob. Agents. 23: 2-5.<br />
23. Kawamori, F, Hiroi M, Harada T, Ohata K, Sugiyama K, Masuda T,<br />
et al. Molecular typing <strong>of</strong> Japanese Escherichia coli 0157:H7 isolates<br />
from clinical specimens by multilocus variable number tandem repeat<br />
analysis and PFGE. J Med Microbiol. 2008; 57: 58 – 63.<br />
24. Gonzales R, Malone DC, Maselli JH, Sande MA. Excessive antibiotic<br />
use for acute respiratory infections in <strong>the</strong> United States. Clin <strong>In</strong>fect Dis.<br />
2001; 33: 757 – 762.<br />
25. Linder JA, Huang ES, Steinman MA, Gonzales R, Stafford RS. Fluoroquinolone<br />
prescribing in <strong>the</strong> United States: 1995 to 2002. Am J Med.<br />
2005; 118: 259 – 268.<br />
26. Wolff O, Maclennan C. Evidence behind <strong>the</strong> WHO guidelines hospital<br />
care for children: What is <strong>the</strong> appropriate empiric antibiotic <strong>the</strong>rapy in<br />
uncomplicated urinary tract infection in children in developing countries?<br />
J Trop Ped. 2007; 53: 150 – 152.<br />
27. Woo-joo K, Hee-Lin J, Hyun-Jin P, Min-Ja K, Seung-Chull P. Application<br />
<strong>of</strong> ribotyping for molecular epidemiology study <strong>of</strong> Escherichia<br />
coli isolated from patients with urinary tract infection. Kor J <strong>In</strong>fect Dis.<br />
1995; 27: 505 – 517.<br />
28. Fluit AC, Janes ME. Antimicrobial resistance among UTI isolates in<br />
Europe. Antonie van Leeuwenhoek. 2001; 77: 147 – 152.<br />
29. Malkawi HI, Youssef MT. Antibiotic susceptibility testing and plasmid<br />
pr<strong>of</strong>ile <strong>of</strong> Escherichia coli isolated from diarrhoeal patients. J Trop<br />
Ped. 1998; 44: 128 – 132.<br />
30. Tsen HY, Chi WR. Plasmid pr<strong>of</strong>ile analysis for enterotoxigenic Escherichia<br />
coli and detection for heat stable enterotoxin I (ST1) gene by<br />
polymerase chain reaction. J Food Drug Analysis. 1996; 4: 215 – 222.<br />
31. Danbara H, Komase K,Yasuyuki Kirii K, Shinohara M, Arita H, Makino<br />
S, et al. Analysis <strong>of</strong> <strong>the</strong> plasmids <strong>of</strong> Escherichia coli 0148:H28 from<br />
travelers with diarrhoea. Microbial Patholog. 1987; 3: 269 – 278.<br />
32. Al-Bahry Saif N, Al-Mashani Basma M, Elshafie Abdulkadir E,<br />
Pathare N, Al-Harthy Asila H. Plasmid pr<strong>of</strong>ile <strong>of</strong> antibiotic resistant<br />
Escherichia coli isolated from chicken intestines. J Ala Acad Sci 2006;<br />
77: 152.<br />
33. Garcia M, Le Bouguénec C. Role <strong>of</strong> adhesion in pathogenicity <strong>of</strong> human<br />
uropathogenic and diarrhoeogenic Escherichia coli. Bulletin de<br />
l’<strong>In</strong>stitute Pasteur. 1996; 94: 201 – 236.<br />
34. Usein C, Damian M, Tatu-Chitoiu D, Capusa C, Fagaras R, Tudorache<br />
D, et al. Prevalence <strong>of</strong> virulence genes in Escherichia coli strains isolated<br />
from Romanian adult urinary tract infection cases. J Cell Mol<br />
Medi. 2001; 5: 303 – 310.<br />
35. Wullt B. The role <strong>of</strong> P fimbriae for Escherichia coli establishment and<br />
mucosal inflammation in <strong>the</strong> human urinary tract. <strong>In</strong>ter J Antimicrob<br />
Agents. 2003; 21: 605 – 621.
Brief Report<br />
A Report <strong>of</strong> <strong>the</strong> <strong>In</strong>juries Sustained in Iran Air Flight 277 that<br />
Crashed near Urmia, Iran<br />
Ahmadreza Afshar MD• 1 , Majid Hajyhosseinloo MD 2 , Ali Eftekhari MD 2 , Mir Bahram Safari MD 1 , Zahra Yekta MD 3<br />
Abstract<br />
Background: On January 9, 2011 Iran Air Flight 277 crashed during approach to Urmia, Iran. Out <strong>of</strong> 105 passengers, 27 survived. This<br />
brief report presents a perspective <strong>of</strong> <strong>the</strong> passengers’ sustained injuries.<br />
Methods: We reviewed <strong>the</strong> recorded injuries <strong>of</strong> all passengers as provided by <strong>the</strong> Legal Medicine Organization authorities. The <strong>In</strong>jury<br />
Severity Score (ISS), an anatomical scoring system, was used to provide an overall code for those who survived with multiple anatomical<br />
injuries.<br />
Results: There were a total <strong>of</strong> 96 ISS body region injuries among those who survived. Facial injuries (83%) were <strong>the</strong> most frequent injuries<br />
noted among fatalities, which was statistically significant (P = 0.000). <strong>In</strong> those who survived, injuries to <strong>the</strong> head and neck (37%) and<br />
facial (33%) regions were relatively less frequent than o<strong>the</strong>r anatomical regions. The most serious injuries among survivors belonged to <strong>the</strong><br />
extremity (85%) region, particularly lower limb fractures (62%). Differences in extremity injuries between <strong>the</strong> survivors and fatalities were not<br />
statistically significant.<br />
Conclusion: The findings <strong>of</strong> this study were similar to o<strong>the</strong>r studies where <strong>the</strong> most frequent serious injuries were fractures <strong>of</strong> <strong>the</strong> extremities,<br />
particularly <strong>the</strong> lower limbs.<br />
Keywords: Abbreviated injury scale, airplane crash during approach, injury severity score, mass casualty incidents<br />
Cite this article as: Afshar A, Hajyhosseinloo M, Eftekhari A, Safari MB, Yekta Z. A Report <strong>of</strong> <strong>the</strong> <strong>In</strong>juries Sustained in Iran Air Flight 277 that Crashed near Urmia,<br />
Iran. Arch Iran Med. 2012; 15(5): 317 – 319.<br />
<strong>In</strong>troduction<br />
A irplane<br />
‛<br />
crash during approach’ is defined as an emergency<br />
landing under circumstances where a normal landing is<br />
impossible. Usually <strong>the</strong> airplane is damaged, <strong>the</strong> circumstances<br />
are not under <strong>the</strong> pilot’s control and a runway is not available.<br />
1,2 Usually, because <strong>of</strong> extensive damage and fire, airplane<br />
crash accidents do not lend <strong>the</strong>mselves to an extensive analysis <strong>of</strong><br />
<strong>the</strong> occupants’ injuries. Therefore <strong>the</strong>re is limited detailed analysis<br />
<strong>of</strong> such accidents. 3–6<br />
On January 9, 2011 Iran Air Flight 277, a Boeing 727, crashed<br />
during approach about 5 miles from <strong>the</strong> Urmia airport runway at<br />
19:40 pm local time. Fortunately, <strong>the</strong> airplane did not catch on fire;<br />
thus, this facilitated <strong>the</strong> identification and examination <strong>of</strong> victims.<br />
However, heavy snow and thick fog made <strong>the</strong> rescue activities difficult<br />
(Figure 1).<br />
This brief report presents a perspective <strong>of</strong> <strong>the</strong> flight passengers’<br />
sustained injuries.<br />
Materials and Methods<br />
Of <strong>the</strong> 105 passengers on this flight, 27 survived and 78 died. The<br />
Authors’ Affiliations: 1 Department <strong>of</strong> Orthopedics, Urmia University <strong>of</strong> Medical<br />
Sciences, Urmia, Iran, 2 Legal Medicine Organization, West Azarbaijan, Urmia,<br />
Iran, 3 Department <strong>of</strong> Community Medicine, Urmia University <strong>of</strong> Medical<br />
Sciences, Urmia, Iran.<br />
•Corresponding author and reprints: Ahmadreza Afshar MD, Urmia University<br />
<strong>of</strong> Medical Sciences, Department <strong>of</strong> Orthopedics, Imam Khomeini Hospital,<br />
Modaress Street, Ershad Boulevard, Urmia, Iran. Tel: +989123131556,<br />
Fax: +984413469939, E-mail: afshar_ah@yahoo.com.<br />
Accepted for publication: 7 September 2011<br />
<strong>In</strong>juries Sustained in Iran Air Flight 277<br />
legal medicine authorities examined all passengers and recorded<br />
<strong>the</strong>ir injuries.<br />
Autopsies were performed on <strong>the</strong> 3 cockpit crew who perished.<br />
However, passengers who died were not autopsied and X-ray examinations<br />
were not performed to detect occult skeletal fractures.<br />
The examinations <strong>of</strong> those killed were limited to <strong>the</strong> clinical appearance<br />
and obvious external body region injuries. Death certificates<br />
were issued because <strong>of</strong> multiple injuries. <strong>In</strong>juries <strong>of</strong> <strong>the</strong><br />
survivors were registered according to hospital in-patient records.<br />
We reviewed <strong>the</strong> documented examinations from <strong>the</strong> legal medicine<br />
authorities for all passengers. We used <strong>the</strong> <strong>In</strong>jury Severity<br />
Score (ISS), which is an anatomical scoring system, to provide an<br />
overall code for patients with multiple anatomical injuries. The<br />
ISS is a process by which complex and variable patient data is reduced<br />
to a single number. To calculate an ISS for an injured person,<br />
<strong>the</strong> body is divided into 6 ISS body regions, which are: head and<br />
neck (including cervical spine); face (including <strong>the</strong> facial skeleton,<br />
nose, mouth, eyes and ears); chest (including thoracic spine and<br />
diaphragm); abdomen or pelvic area (including abdominal organs<br />
and lumbar spine); extremities or pelvic girdle (including pelvic<br />
skeleton); and external (skin). Each injury in <strong>the</strong> body region is<br />
ranked according to <strong>the</strong> Abbreviated <strong>In</strong>jury Scale (AIS). AIS classifies<br />
each injury according to its relative severity on a 6 ordinal<br />
scale: 1 (minor), 2 (moderate), 3 (serious), 4 (severe), 5 (critical),<br />
and 6 [maximal (currently untreatable)]. We used only <strong>the</strong> highest<br />
AIS number for each body region. To calculate a final ISS code,<br />
<strong>the</strong> 3 most severely injured ISS body regions have <strong>the</strong>ir AIS score<br />
squared and added toge<strong>the</strong>r to produce <strong>the</strong> ISS code. The ISS<br />
ranges from 1 to 75. Severity <strong>of</strong> each patient’s injuries is classified<br />
according to <strong>the</strong> ISS code: 1 – 8 (minor), 9 – 15 (moderate), and 16<br />
Archives <strong>of</strong> Iranian Medicine, Volume 15, Number 5, May 2012 317
and above (serious). 7–9<br />
Fisher’s exact test was used to for data analysis and P values less<br />
than 0.05 were considered statistically significant.<br />
Results<br />
There were 27 survivors, <strong>of</strong> which all were adults. There were no<br />
pre-or in-hospital deaths. All passengers (survivors and fatalities)<br />
sustained multiple anatomical region injuries. Table 1 presents <strong>the</strong><br />
AIS (range: 1 to 6) <strong>of</strong> <strong>the</strong> 6 ISS body regions and <strong>the</strong> ISS codes <strong>of</strong><br />
<strong>the</strong> 27 survivors. Except for one individual, all survivors sustained<br />
more than one ISS body region injury and a total <strong>of</strong> 96 ISS body<br />
region injuries were recorded. The mean ISS code was 23 (1 to 41).<br />
Among survivors, 18 (67%) had severe injuries, 7 (27%) had<br />
moderate, and 2 (7%) had minor injuries according to <strong>the</strong> severity<br />
<strong>of</strong> <strong>the</strong> ISS codes.<br />
Of those who died, 65 (83%) out <strong>of</strong> 78 had facial injuries which<br />
were <strong>the</strong> most frequent obvious injuries. The difference in facial<br />
region injuries between survivors (33%) and fatalities (83%) was<br />
statistically significant (P = 0.000). Among survivors, injuries to<br />
<strong>the</strong> head and neck (37%) and facial (33%) regions were relatively<br />
less frequent than o<strong>the</strong>r anatomical regions. The most frequent<br />
injuries among survivors were external (100 %) and extremities<br />
(85%) body regions. However <strong>the</strong> external injuries consisted <strong>of</strong><br />
swellings, bruises, abrasions, and superficial lacerations, all <strong>of</strong><br />
which were minor injuries (AIS 1) that did not substantially impact<br />
<strong>the</strong> final ISS codes. From 27 survivors, 17 (62%) sustained lower<br />
limb fractures which were <strong>the</strong> most frequent site for extremities<br />
injuries. The difference in extremity body region injuries between<br />
<strong>the</strong> survivors and fatalities was not statistically significant. Among<br />
survivors, 16 (59%) out <strong>of</strong> 27 sustained fractures to <strong>the</strong>ir spinal<br />
columns, which were at different levels. Spinal injuries were included<br />
in <strong>the</strong> head and neck, abdominal, and thoracic ISS body<br />
regions.<br />
Only 4 out <strong>of</strong> <strong>the</strong> 27survivors sustained internal injuries to <strong>the</strong>ir<br />
abdominal organs.<br />
The 4 recorded abdominal injuries consisted <strong>of</strong> <strong>the</strong> 3 cockpit<br />
crew who were autopsied and one passenger who had extruded<br />
abdominal organs. Since fatalities were not autopsied, some fatal<br />
318 Archives <strong>of</strong> Iranian Medicine, Volume 15, Number 5, May 2012<br />
Figure 1. Cockpit <strong>of</strong> <strong>the</strong> Boeing 727 that crashed near Urmia on January 9, 2011.<br />
intra-abdominal, intra-thoracic, brain contusion and concussion injuries<br />
were not recorded. Therefore comparative analyses for <strong>the</strong>se<br />
body regions were not an accurate reflection <strong>of</strong> this difference. The<br />
3 cockpit crew sustained <strong>the</strong> most severe and extensive injuries in<br />
all 6 ISS body regions.<br />
Discussion<br />
A. Afshar, M. Hajyhosseinloo, A. Eftekhari, et al.<br />
<strong>In</strong> airplane crashes, injuries are produced by horizontal, vertical,<br />
and transverse force axes. Head, neck, facial, and thoracic injuries<br />
occur when <strong>the</strong> transmitted horizontal deceleration force exceeds<br />
<strong>the</strong> limits <strong>of</strong> <strong>the</strong> human body’s tolerance to abrupt deceleration.<br />
The vertical deceleration force produces spinal fractures. Bending<br />
and torsional forces produce fractures in <strong>the</strong> extremities. However,<br />
combinations <strong>of</strong> different forces in 3-dimensional space produce<br />
many complex mechanisms for injuries. 4<br />
<strong>In</strong> 1968 Zanca reported an airplane crash accident in which 21<br />
<strong>of</strong> 66 occupants survived. <strong>In</strong> that accident <strong>the</strong> registered injuries<br />
among survivors in order <strong>of</strong> frequency were: abrasions, wounds<br />
and contusions, fractures, shock or impending shock, internal injuries,<br />
and concussions. Most fractures occurred in <strong>the</strong> lower limbs. 6<br />
Carter et al., in 1973, reported a total number <strong>of</strong> 203 injuries for<br />
all passengers <strong>of</strong> an airplane crash. Fractured extremities, which<br />
comprised 79 (39%) out <strong>of</strong> 203 total injuries, were <strong>the</strong> most frequent<br />
seen among victims. 4<br />
On February 25, 2009 Turkish Airline Flight 1951 crashed during<br />
approach to Schipol Airport, Amsterdam. Of <strong>the</strong> 135 passengers,<br />
9 including <strong>the</strong> 3 cockpit crew died, 11 had serious injuries, 22 had<br />
moderate injuries, 87 had minor injuries, and 6 were uninjured. A<br />
total <strong>of</strong> 297 ISS body region injuries were recorded, <strong>of</strong> which most<br />
were to <strong>the</strong> head, face, spine, and extremities. 3,5<br />
The findings <strong>of</strong> <strong>the</strong> current study were similar to previous reports<br />
on survivors 3–6 in which <strong>the</strong> most frequent serious injury was fracture<br />
<strong>of</strong> <strong>the</strong> extremities, especially in <strong>the</strong> lower limbs.<br />
<strong>In</strong> <strong>the</strong> current study, <strong>the</strong> cockpit crew who perished sustained<br />
extensive injuries in all 6 ISS body regions, which was similar<br />
to o<strong>the</strong>r reports. 3–6 It seems that <strong>the</strong> cockpit crew are at <strong>the</strong> most<br />
endangered position. Therefore, improvements in cockpit design<br />
might reduce and protect <strong>the</strong> crew from extensive injuries.
Table 1. AIS <strong>of</strong> 6 ISS body regions and final ISS codes in survivors.<br />
Cases Number<br />
ISS body regions<br />
Head and neck Face Chest Abdomen Extremity External ISS code<br />
1 3 0 0 0 0 1 10<br />
2 0 0 0 0 3 1 10<br />
3 0 0 0 3 3 1 19<br />
4 2 1 0 3 4 1 29<br />
5 0 0 0 0 3 1 10<br />
6 0 0 4 4 3 1 41<br />
7 0 1 3 0 3 1 19<br />
8 0 1 3 3 4 1 34<br />
9 2 0 3 0 4 1 29<br />
10 0 0 0 0 0 1 1<br />
11 4 1 3 3 0 1 34<br />
12 0 0 3 0 4 1 26<br />
13 0 0 4 3 3 1 34<br />
14 0 0 0 0 3 1 10<br />
15 3 0 0 0 0 1 10<br />
16 0 0 4 3 3 1 34<br />
17 0 0 0 0 2 1 5<br />
18 2 0 3 0 3 1 22<br />
19 1 2 4 4 3 1 41<br />
20 3 0 3 0 4 1 34<br />
21 0 1 0 3 4 1 26<br />
22 4 0 3 3 4 1 41<br />
23 0 0 0 0 3 1 10<br />
24 0 1 0 3 4 1 26<br />
25 4 3 4 3 3 1 41<br />
26 0 0 0 3 2 1 14<br />
27 0 1 0 3 3 1 19<br />
AIS: Abbreviated <strong>In</strong>jury Scale (1- minor; 2- moderate; 3- serious; 4- severe; 5- critical; 6- maximal); ISS: <strong>In</strong>jury Severity Score<br />
<strong>In</strong> <strong>the</strong> current study we did not evaluate <strong>the</strong> relation between seat<br />
locations, severity <strong>of</strong> <strong>the</strong> incurred injuries, and death because <strong>the</strong><br />
seating positions <strong>of</strong> all occupants were not <strong>of</strong>ficially available to<br />
<strong>the</strong> authors <strong>of</strong> this study. <strong>In</strong> addition, since about two-thirds <strong>of</strong> seats<br />
were occupied, it was probable that some passengers had changed<br />
<strong>the</strong>ir seats during <strong>the</strong> flight and did not occupy <strong>the</strong>ir assigned seats.<br />
A major flaw <strong>of</strong> this study was that examinations <strong>of</strong> passengers<br />
who perished was limited to clinical appearance and obvious external<br />
injuries <strong>of</strong> <strong>the</strong> anatomical body regions. Therefore we were<br />
unable to compare <strong>the</strong> true differences between <strong>the</strong> head and neck,<br />
abdomen, and chest ISS body region injuries among survivors and<br />
fatalities. Doubtlessly those who perished had undetected intra-abdominal,<br />
intra-thoracic, and cranial injuries which were more than<br />
<strong>the</strong>ir registered injuries. Evaluations <strong>of</strong> skeletal injuries would have<br />
been completed and <strong>the</strong> number <strong>of</strong> skeletal fractures increased if<br />
X-rays had been taken from <strong>the</strong> bodies <strong>of</strong> those who died. Therefore,<br />
it might be reasonable to suggest that in such accidents autopsies<br />
should be regularly performed on those who expired.<br />
This study might hopefully provide an understanding <strong>of</strong> <strong>the</strong> survival<br />
aspect <strong>of</strong> airplane crash accidents that occur during approach.<br />
A study <strong>of</strong> <strong>the</strong>se types <strong>of</strong> injuries may provide a resource for subsequent<br />
research and assist investigators to make recommendations<br />
that reduce <strong>the</strong> occurrence <strong>of</strong> similar injuries.<br />
Conflict <strong>of</strong> interest<br />
All data in this study was provided by <strong>the</strong> Legal Medicine Organization<br />
in Urmia, West Azarbaijan, Iran.<br />
References<br />
<strong>In</strong>juries Sustained in Iran Air Flight 277<br />
1. Emergency landing. Available from URL: http://en.wikipedia.org/<br />
wiki/Emergency-landing. (Accessed: 25 June 2011).<br />
2. Crash landing. Available from URL: http://www.<strong>the</strong>freedictioanry.<br />
com/crash+landing . (Accessed: 25 June 2011).<br />
3. Crashed during approach, Boeing737-800, near Amsterdam Schiphol<br />
Airport, 25 February 2009. Available from URL: www.ntsb.gov/aviation/Ne<strong>the</strong>rlands/DSB_ENG_Report.pdf.<br />
(Accessed: 25 June 2011).<br />
4. Carter JH, Burdge R, Powers SR Jr, Campbell CJ. An analysis <strong>of</strong> 17<br />
fatal and 31 nonfatal injuries following an airplane crash. J Trauma.<br />
1973; 13: 346 – 353.<br />
5. Winkelhagen J, Bijlsma TS, Bloemers FW, Heetveld MJ, Goslings JC.<br />
Airplane crash near Schiphol Airport 25 February 2009: <strong>In</strong>juries and<br />
casualty distribution. Ned Tijdschr Geneeskd. 2010; 154: A1064.<br />
6. Zanca P. Types <strong>of</strong> injuries in air plane crash survivors. South Med J.<br />
1968; 61: 1219 – 1222.<br />
7. <strong>In</strong>jury Severity Score. Available from URL: http://en.wikipedia.org/<br />
wiki/<strong>In</strong>jury_Severity_Score. (Accessed: 2 July 2011).<br />
8. Baker SP, O’Neill B, Haddon W Jr, Long WB. The <strong>In</strong>jury Severity<br />
Score: A method for describing patients with multiple injuries and evaluating<br />
emergency care. J Trauma. 1974; 14: 187 – 196.<br />
9. Baker SP, O’Neill B. The <strong>In</strong>jury Severity Score: An update. J Trauma.<br />
1976; 16: 882 – 885.<br />
Archives <strong>of</strong> Iranian Medicine, Volume 15, Number 5, May 2012 319
<strong>In</strong>troduction<br />
I<br />
t has been estimated that in 2008, non-communicable diseases<br />
(NCDs) accounted for 36 million death worldwide,<br />
contributing to 63 percent <strong>of</strong> all-cause global mortalities. 1<br />
Without any serious action, <strong>the</strong> NCD epidemic is projected to kill<br />
52 million people annually by 2030. 2,3 High blood pressure has<br />
been reported as <strong>the</strong> leading underlying cause <strong>of</strong> as many as 7.6<br />
million premature global deaths and 92 million disability adjusted<br />
life years (DALYs) in 2001. 4 Globally, 51 percent <strong>of</strong> deaths due to<br />
stroke (cerebrovascular disease) and 45 percent <strong>of</strong> deaths due to<br />
ischemic heart disease are attributable to high systolic blood pressure.<br />
At any given age, <strong>the</strong> risk <strong>of</strong> dying from high blood pressure<br />
in low- and middle-income countries is more than double that in<br />
high-income countries. <strong>In</strong> <strong>the</strong> high-income countries, only 7 percent<br />
<strong>of</strong> deaths caused by high blood pressure occur under age 60;<br />
in <strong>the</strong> African Region, this figure increases to 25 percent. 5 Nearly<br />
80 percent <strong>of</strong> current deaths due to non-communicable diseases<br />
occur in low- and middle-income countries, disproving <strong>the</strong> myth<br />
that non-communicable diseases are mostly affecting affluent societies.<br />
6<br />
There is abundant evidence on a causal relation between salt<br />
intake and high blood pressure. 7–10 <strong>In</strong> a meta analysis <strong>of</strong> salt reduction<br />
randomized clinical trials with <strong>the</strong> median duration <strong>of</strong><br />
5 weeks (ranging from 4 weeks to 3 years), for each 100 mmol<br />
320 Archives <strong>of</strong> Iranian Medicine, Volume 15, Number 5, May 2012<br />
Report<br />
Advocacy Strategies and Action Plans for Reducing Salt <strong>In</strong>take in Iran<br />
Noushin Mohammadifard MSc 1 , Saman Fahimi MD MPhil 2,3 , Alireza Khosravi MD 1 , Hamed Pouraram PhD 4 , Sima Sajedinejad MD 5 ,<br />
Paul Pharoah MD PhD 3 , Reza Malekzadeh MD 2 , Nizal Sarrafzadegan MD• 6<br />
Cite this article as: Mohammadifard N, Fahimi S, Khosravi A, Pouraram H, Sajedinejad S, Pharoah P, et al. Efficacy Advocacy strategies and action plans for reducing<br />
salt intake in Iran. Arch Iran Med. 2012; 15(5): 320 – 324.<br />
Key words: Iran, national program, non-communicable diseases, salt reduction<br />
Authors’ Affiliations: 1 Department <strong>of</strong> Nutrition, Hypertension Research Center,<br />
Isfahan Cardiovascular Research <strong>In</strong>stitute, Isfahan University <strong>of</strong> Medical Sciences,<br />
Isfahan, Iran, 2 Digestive Diseases Research <strong>In</strong>stitute, Tehran University <strong>of</strong><br />
Medical Sciences, Tehran, Iran, 3 Department <strong>of</strong> Public Health and Primary Care,<br />
University <strong>of</strong> Cambridge, Cambridge, UK, 4 Department <strong>of</strong> Nutrition, Under Secretary<br />
for Health, Ministry <strong>of</strong> Health & Medical Education, Tehran, Iran, 5 National<br />
Pr<strong>of</strong>essional Officer, World Health Organization Office in Iran, Tehran, Iran, 6 Isfahan<br />
Cardiovascular Research Center, Isfahan Cardiovascular Research <strong>In</strong>stitute,<br />
Isfahan University <strong>of</strong> Medical Sciences, Isfahan, Iran.<br />
•Corresponding author and reprints: Nizal Sarrafzadegan MD, Isfahan Cardiovascular<br />
Research Center, Isfahan Cardiovascular Research <strong>In</strong>stitute, Isfahan<br />
University <strong>of</strong> Medical Sciences, Isfahan, Iran, Cardiovascular Research Center,<br />
Isfahan Cardiovascular Research <strong>In</strong>stitute, Sedigheh Tahereh Research Center,<br />
Khorram St., Isfahan, Iran, P. O. Box: 81465-1148 . Tel: +98 311 3359696, Fax:<br />
+98 311 3373435, Email: nsarrafzadegan@gmail.com<br />
Accepted for publication: 26 March 2012<br />
N. Mohammadifard, S. Fahimi, A. Khosravi, et al.<br />
reduction in 24-hour urinary excretion <strong>of</strong> sodium, <strong>the</strong>re was 3.99<br />
mmHg reduction in systolic blood pressure (95% CI: 2.93 – 5.05)<br />
and 1.92 mmHg reduction for diastolic blood pressure (95% CI:<br />
1.26 – 2.59). 11 The increase in blood pressure leads to an increased<br />
risk <strong>of</strong> cardiovascular disease. 12,13 <strong>In</strong> a meta-analysis <strong>of</strong> 19 independent<br />
cohort samples from 13 studies, with 177,025 participants<br />
and average follow up <strong>of</strong> 3 years (5 – 19 years) and over 11,000<br />
vascular events, a higher salt intake was associated with a greater<br />
risk <strong>of</strong> stroke (pooled relative risk 1.23, 95% confidence interval<br />
1.06 – 1.43, P = 0.007) and cardiovascular disease (pooled relative<br />
risk 1.14, 95% confidence interval 0.99 – 1.32, P = 0.07). 14 There<br />
is also substantive evidence suggesting that excessive salt intake<br />
is also causally associated with increased risk <strong>of</strong> gastric cancer. 15<br />
The UN high level meeting on NCD urged member states to<br />
adopt urgent preventive actions to tackle <strong>the</strong> NCD’s rapidly rising<br />
burden. 16 It has been estimated that reducing dietary salt intake<br />
across populations, as a single, inexpensive, cost effective<br />
measure, can hugely reduce <strong>the</strong> burden <strong>of</strong> cardiovascular disease<br />
(CVD). 17–19 According to <strong>the</strong> World Health Organization (WHO),<br />
reducing populations’ salt intake is by far <strong>the</strong> most effective preventive<br />
approach for all countries and in all settings. 20 It has been<br />
estimated that reducing <strong>the</strong> salt intake at a population level can reduce<br />
total mortality rate, on average, by 1 – 2 percent and increase<br />
mean life expectancy by 1.6 months. 21<br />
Iran is undergoing epidemiological transition and is facing a<br />
rapid increase in <strong>the</strong> burden <strong>of</strong> NCDs. 22 Based on a WHO report,<br />
NCDs are estimated to account for 72 percent <strong>of</strong> all deaths in Iran,<br />
24 percent <strong>of</strong> which happens under age 60. 23 The estimated age<br />
standardized prevalence <strong>of</strong> hypertension was 34 percent in <strong>the</strong><br />
adult population (36 percent in men and 32 percent in women). It<br />
has been estimated that <strong>the</strong> circulatory system diseases contributed<br />
to about 1,500,000 Disability Adjusted Life Years Lost (DALYs)<br />
in Iran in 2003. 22 Cardiovascular diseases were responsible for 45<br />
percent <strong>of</strong> total national mortality, while communicable diseases,<br />
maternal, perinatal, and nutritional conditions toge<strong>the</strong>r contributed<br />
to 13 percent <strong>of</strong> total mortality in Iran in 2008. 23 So far, compared<br />
to infectious diseases, chronic diseases have received less attention<br />
in <strong>the</strong> Iranian health care system. 24 However, recently <strong>the</strong> Iranian
Year Source population<br />
Sample<br />
size<br />
Age range<br />
(years)<br />
ministry <strong>of</strong> health has acknowledged tackling NCDs as one <strong>of</strong> its<br />
priorities. 25 A road map for reducing salt intake in Iran was proposed<br />
in <strong>the</strong> previous issue <strong>of</strong> this journal. 26 Here, we present <strong>the</strong><br />
national advocacy strategies and action plans for implementing a<br />
nation-wide salt reduction program that was developed by Isfahan<br />
Cardiovascular Research <strong>In</strong>stitute (ICRI) and proposed to <strong>the</strong> Iranian<br />
Ministry <strong>of</strong> Health. 27<br />
Main steps in designing a comprehensive national salt reduction<br />
plan<br />
Creating a national salt reduction task force<br />
As a first step, and after initial considerations by ICRI experts,<br />
a steering committee was formed in 2010 in order to set out <strong>the</strong><br />
priorities and devising an action plan for reducing <strong>the</strong> salt intake<br />
in Iran. This committee encompassed a wide range <strong>of</strong> experts engaged<br />
with various aspects <strong>of</strong> NCD control in Iran and included<br />
ICRI senior members with expertise in cardiovascular preventive<br />
strategies and nutrition sciences, representatives from <strong>the</strong> Health,<br />
and “Food and Drug” deputies <strong>of</strong> Isfahan University <strong>of</strong> Medical<br />
Sciences and <strong>In</strong>stitute <strong>of</strong> Standard and <strong>In</strong>dustrial Research <strong>of</strong> Isfahan<br />
province, Director General <strong>of</strong> Nutrition Department in <strong>the</strong><br />
Ministry <strong>of</strong> Health, and food technologies <strong>of</strong> Isfahan University<br />
<strong>of</strong> Technology, an <strong>of</strong>ficer from <strong>the</strong> NCD branch <strong>of</strong> WHO <strong>of</strong>fice in<br />
Tehran, and delegates from <strong>the</strong> food industry. <strong>In</strong> parallel an executive<br />
committee was formed in 2010 in order to define target groups<br />
and key messages based on <strong>the</strong> decisions made by <strong>the</strong> steering<br />
committee. The executive committee encompassed members <strong>of</strong><br />
ICRI with a wide variety <strong>of</strong> expertise including its executive director<br />
and heads <strong>of</strong> nutrition group; education and training unit; evaluation,<br />
assessment and quality control group; and IT department.<br />
Estimating <strong>the</strong> current salt intake in Iran<br />
The next step was to get <strong>the</strong> best estimate for current salt intake<br />
in Iran. Details <strong>of</strong> <strong>the</strong> best methods for <strong>the</strong> estimation <strong>of</strong> populations<br />
salt intake and current estimates <strong>of</strong> salt intake in Iran, and<br />
its comparison to estimates from o<strong>the</strong>r countries was explained<br />
elsewhere. 26 <strong>In</strong> brief, <strong>the</strong>re have been no studies that measured 24hour<br />
urinary sodium excretion in a nationally representative Iranian<br />
sample. However, <strong>the</strong>re were three 24-hour urinary sodium<br />
excretion studies performed in representative adult population<br />
samples in <strong>the</strong> city <strong>of</strong> Isfahan. Equivalent 24-hour salt excretion<br />
values based on 24-hour urinary sodium excretions, in <strong>the</strong> years<br />
1999, 2002, and 2007, were 8.2, 12.5, and 10.6 g/d, respectively.<br />
28,29 Assuming that about 90 percent <strong>of</strong> sodium intake is excreted<br />
into <strong>the</strong> urine, <strong>the</strong>y correspond to salt intakes <strong>of</strong> 9.1, 13.9, and 11.8<br />
g/d. These values are in line with most <strong>of</strong> <strong>the</strong> countries around <strong>the</strong><br />
world, in which <strong>the</strong> intakes are higher than recommended daily<br />
Sampling method<br />
Equivalent 24-hour salt<br />
excretion based on 24hour<br />
urinary excretion<br />
values (g/d)<br />
Equivalent salt<br />
intake (g/d) *<br />
1999–2000 General urban adult population 1059 20–60 Multistage random sampling 8.2 9.1<br />
2001–2002 General urban adult population 374 +19 Multistage random sampling 12.5 13.9<br />
2007 General urban adult population 806 +19 Multistage random sampling 10.6 11.8<br />
* Assuming that 90 percent <strong>of</strong> sodium intake is excreted into <strong>the</strong> urine<br />
Advocacy Strategies and Action Plans for Reducing Salt intake in Iran<br />
Table 1. Twenty-four hour urinary salt equivalent excretion values based on 24-hour urinary sodium excretion studies in Isfahan<br />
intake. 26<br />
Table 1 provides fur<strong>the</strong>r details <strong>of</strong> <strong>the</strong> 24-hour urinary sodium<br />
excretion studies in <strong>the</strong> city <strong>of</strong> Isfahan.<br />
There have also been dietary sodium studies that used food frequency<br />
questionnaire to estimate <strong>the</strong> salt intake in <strong>the</strong> cities <strong>of</strong><br />
Rasht and Sari and those residing in “Ilam province” according to<br />
which <strong>the</strong> average intake for <strong>the</strong> population aged 2 – 79 were 7.2,<br />
7.7, and 10.3 g/d, respectively. 30,31 There is a general consensus that<br />
<strong>the</strong> dietary estimation <strong>of</strong> salt intake considerably under-reports <strong>the</strong><br />
true salt intake; data from <strong>the</strong>se studies support <strong>the</strong> notion that <strong>the</strong><br />
salt intake <strong>of</strong> Iranians is high.<br />
Setting a salt intake target<br />
A joint WHO/FAO working group on Diet, Nutrition and <strong>the</strong><br />
Prevention <strong>of</strong> Chronic Disease suggested reducing salt intake<br />
to less than 5.0 g/d. 32 <strong>In</strong> <strong>the</strong> UK, <strong>the</strong> recommended salt intake is<br />
to be less than 6 g/d in <strong>the</strong> British adult population. 33 However,<br />
more recently, <strong>the</strong> UK government’s health advisory agency, <strong>the</strong><br />
National <strong>In</strong>stitute for Health and Clinical Excellence (NICE), has<br />
recommended that by <strong>the</strong> year 2025 <strong>the</strong> population’s salt consumption<br />
should be reduced to less than 3 g/d. 34 <strong>In</strong> <strong>the</strong> USA, it is currently<br />
recommended salt intake should be reduced to less than 6<br />
g/d for adults, with an even fur<strong>the</strong>r reduction to less than 4 g/d<br />
salt for those at higher risk <strong>of</strong> developing adverse effects including<br />
African Americans, those with hypertension, diabetes or chronic<br />
kidney disease, and all adults 51 years old and older. 35 The recommended<br />
daily salt intake in Iran was judged to be less than 5 g/d. 27<br />
Getting lessons from <strong>the</strong> experiences <strong>of</strong> o<strong>the</strong>r countries<br />
With revived interest worldwide on <strong>the</strong> importance <strong>of</strong> salt reduction<br />
as a tool for reducing <strong>the</strong> burden <strong>of</strong> salt intake, various<br />
countries <strong>of</strong> <strong>the</strong> world are in <strong>the</strong> development stages <strong>of</strong> <strong>the</strong>irs salt<br />
reduction plan. 26,36 Currently, only a few countries worldwide have<br />
successful operational salt reduction plans in place. They include<br />
countries such as <strong>the</strong> UK, Finland, and Canada. Such activities in<br />
<strong>the</strong> UK led to drop <strong>of</strong> about 10 percent in average populations salt<br />
intake, from 9.5 g/d in 2000 to 8.6 g/d in 2008. 37 Efforts were made<br />
to get <strong>the</strong> lessons from <strong>the</strong> experience <strong>of</strong> such countries as well as<br />
those <strong>of</strong> international action alliances such as World Action on Salt<br />
and Health (WASH).<br />
Choosing <strong>the</strong> key target groups<br />
Based on <strong>the</strong> experience from o<strong>the</strong>r countries and by considering<br />
<strong>the</strong> role that individuals and groups can potentially play, four key<br />
target groups were identified: First group were those who were engaged<br />
in decision making processes; <strong>the</strong>y included <strong>the</strong> legislative<br />
authorities, policy makers, and <strong>the</strong> executive authorities. Engaging<br />
with <strong>the</strong> above mentioned authorities would help ensuring that ap-<br />
Archives <strong>of</strong> Iranian Medicine, Volume 15, Number 5, May 2012 321
1<br />
Decision makers<br />
2 Beneficiaries<br />
3 Partners<br />
4<br />
Potential<br />
opposition<br />
Table 2. Targets groups with current or potential impacts on a national salt reduction plan<br />
Legislative<br />
Iranian parliament’s high council for health, food security and nutrition<br />
authorities<br />
Policy makers<br />
Executive<br />
forces<br />
Primary<br />
Secondary<br />
General<br />
population<br />
High risk<br />
groups<br />
propriate legislations and regulations would be put into place to<br />
incentivize <strong>the</strong> food industry to reduce foods salt content. Second<br />
group were <strong>the</strong> beneficiaries engaged with salt which itself comprised<br />
two major sub-groups: A primary beneficiary group which<br />
included : a) general population and b) <strong>the</strong> high risk groups and a<br />
secondary group that included institutions and organization such<br />
as universities <strong>of</strong> medical sciences, health insurance agencies,<br />
ʻeducation and training organization’, and ʻwelfare and social security<br />
organization’. The third target group consisted <strong>of</strong> those who<br />
can potentially act as partners and included bodies like <strong>the</strong> Iranian<br />
broadcasting corporation, religious authorities, and local as well as<br />
322 Archives <strong>of</strong> Iranian Medicine, Volume 15, Number 5, May 2012<br />
Iranian parliament’s; high council for health, food security and nutrition; Minister <strong>of</strong> health;<br />
Vice-chancellors in health and treatment affairs <strong>of</strong> <strong>the</strong> ministry <strong>of</strong> health; Food and drug<br />
organization; Nutrition improvement <strong>of</strong>fice; <strong>In</strong>stitute <strong>of</strong> standard and industrial research;<br />
The ministry <strong>of</strong> agriculture; Ministry <strong>of</strong> industry, mining, and commerce; Governors <strong>of</strong> <strong>the</strong><br />
provinces<br />
The ministry <strong>of</strong> Sciences; The welfare organization; The <strong>of</strong>fice for monitoring supply <strong>of</strong><br />
flour and bread; The health, food and drug and treatment deputies <strong>of</strong> <strong>the</strong> Isfahan university <strong>of</strong><br />
medical sciences; The medical education development center <strong>of</strong> Isfahan university <strong>of</strong> medical<br />
sciences; <strong>In</strong>stitute <strong>of</strong> standard and industrial research <strong>of</strong> Isfahan province; The <strong>of</strong>fice for<br />
industries, mining, and commerce <strong>of</strong> Isfahan province; The <strong>of</strong>fice for agricultural <strong>of</strong> Isfahan<br />
province; Organizations that provide food for <strong>the</strong>ir employees; Food industries; The restaurant,<br />
bakeries sandwich, pizza shop and nuts unions<br />
Children; Adolescents; Adults; The elderly<br />
N. Mohammadifard, S. Fahimi, A. Khosravi, et al.<br />
<strong>In</strong>dividuals aged more than 40 years; Those suffering from high blood pressure, CVD,<br />
diabetes mellitus, renal disease, osteoporosis, or some types <strong>of</strong> cancer; First degree relatives<br />
<strong>of</strong> individuals with high blood pressure or suffering from CVD; <strong>In</strong>dividuals with overweight<br />
or obesity<br />
Medical universities; Health insurance agencies; Ministry <strong>of</strong> education; Welfare organization;<br />
Organizations that provide food for <strong>the</strong>ir employees<br />
National Iranian broadcasting corporation; Religious authorities; Celebrities (actors,<br />
sportsmen); National and local media; Isfahan university <strong>of</strong> medical sciences; The <strong>In</strong>stitute<br />
<strong>of</strong> standard and industrial research <strong>of</strong> Isfahan province; The <strong>of</strong>fice for agricultural <strong>of</strong> Isfahan<br />
province; The <strong>of</strong>fice for industries, mining, and commerce <strong>of</strong> Isfahan province; The <strong>of</strong>fice<br />
for monitoring supply <strong>of</strong> flour and bread; Health sector personnel; Non-governmental<br />
organizations<br />
Producers <strong>of</strong> processed foods with high salt content; Syndicate <strong>of</strong> restaurant owners; Syndicate<br />
<strong>of</strong> fast food shops; Syndicate <strong>of</strong> bakers; <strong>In</strong>dividuals with wrong beliefs<br />
Core key messages<br />
High blood pressure is one <strong>of</strong> <strong>the</strong> leading causes <strong>of</strong> mortality and morbidity worldwide<br />
Excessive salt intake causes high blood pressure<br />
Reducing salt intake is <strong>the</strong> most cost-effective way for reducing blood pressure<br />
Iranian’s salt intake is more than twice recommended<br />
Up to two-thirds <strong>of</strong> salt intake <strong>of</strong> Iranians comes from processed foods , and salty snacks such as potato chips<br />
Secondary core messages *<br />
Table 3. Core key messages and some <strong>of</strong> <strong>the</strong> secondary key messages for communicating salt intake reduction plan<br />
High blood pressure, usually has no symptoms and is <strong>the</strong>refore also called “ a silent killer”<br />
The recommended daily intake for salt is less than 5 grams ( less than one large teaspoon)<br />
High blood pressure is <strong>the</strong> most important risk factor for CVD in Iran<br />
Reducing salt intake will lower <strong>the</strong> blood pressure levels and decreases <strong>the</strong> chance <strong>of</strong> CVD, diabetes, osteoporosis, and some types <strong>of</strong> cancers<br />
Bread and cheese are <strong>the</strong> main sources <strong>of</strong> salt intake <strong>of</strong> <strong>the</strong> Iranians<br />
Currently, <strong>the</strong> Salt intake in Iranians is more than twice <strong>the</strong> recommended intake<br />
Those suffering from high blood pressure should reduce <strong>the</strong>ir salt intake to less than 4 grams per day<br />
* A selection <strong>of</strong> <strong>the</strong> secondary core messages, <strong>the</strong> full list <strong>of</strong> <strong>the</strong> messages can be accessed at http://www.icrc.ir/pdf/advocacy.pdf<br />
national media. The last group was those who may oppose <strong>the</strong> salt<br />
reduction plan. Table 2 presents <strong>the</strong> different target groups whose<br />
views and actions has potential impacts on <strong>the</strong> success <strong>of</strong> a national<br />
salt reduction plan.<br />
Holding meetings with key stake holders<br />
Several meetings were held with a subset <strong>of</strong> <strong>the</strong> target groups in<br />
order to understand to <strong>the</strong>ir viewpoints and assess <strong>the</strong>ir beliefs and<br />
help clarify <strong>the</strong> mutual needs and priorities. These meetings helped<br />
identify <strong>the</strong> key messages for communicating <strong>the</strong> salt reduction<br />
plan.
Defining <strong>the</strong> key messages<br />
A set <strong>of</strong> key messages were chosen, by trying to put in an Iranian<br />
dietary pattern, <strong>the</strong> scientific facts on <strong>the</strong> harmful effects <strong>of</strong> excessive<br />
salt intake and <strong>the</strong> experience from o<strong>the</strong>r countries’ successful<br />
salt reduction programs. Accordingly, <strong>the</strong> messages were divided<br />
into those considered as “core key messages” and those regarded<br />
as “secondary key messages”. Table 3 presents <strong>the</strong> core key messages<br />
and some <strong>of</strong> <strong>the</strong> secondary key messages.<br />
Defining <strong>the</strong> methods for <strong>the</strong> communication <strong>of</strong> <strong>the</strong> national salt reduction<br />
plan<br />
Various methods for communication <strong>of</strong> <strong>the</strong> salt reduction plan were<br />
reviewed; Table 4 summarizes <strong>the</strong> different approaches proposed.<br />
Choosing <strong>the</strong> most appropriate key messages and <strong>the</strong>ir communication<br />
tools for different target groups<br />
The next task was to select and match those key messages (presented<br />
in Table 3) depending on <strong>the</strong> specific target groups (summarized<br />
in Table 2) by choosing <strong>the</strong> most effective communication<br />
tools (listed in Table 4). For instance, <strong>the</strong> main key message in<br />
communications with <strong>the</strong> general public was chosen to be through<br />
communication <strong>of</strong> <strong>the</strong> health effects <strong>of</strong> salt through various media;<br />
<strong>the</strong> cost-effectiveness <strong>of</strong> salt reduction planning could discussed in<br />
<strong>the</strong> meetings to be held with <strong>the</strong> authorities engaged in budget and<br />
health policy planning.<br />
Surveillance and monitoring<br />
Proper surveillance and monitoring is a vital element <strong>of</strong> any successful<br />
intervention program. Therefore, various steps were con-<br />
Table 4. Different methods for communication <strong>of</strong> salt reduction plan<br />
1 Regular contacts and meetings with <strong>the</strong> stakeholders<br />
2 Publication <strong>of</strong> booklets, pamphlets , and posters<br />
3 <strong>In</strong>itiating volunteer salt reduction campaign groups<br />
4 Holding debates on <strong>the</strong> health effects <strong>of</strong> salt on <strong>the</strong> national media<br />
5 Holding training courses, conferences and seminars<br />
6 Making documentaries, and animations on <strong>the</strong> importance <strong>of</strong> salt reduction<br />
7 Engaging <strong>the</strong> public through partnerships with popular figures, sportsmen and celebrities<br />
Stage <strong>of</strong> <strong>the</strong> intervention Elements to be assessed and monitored<br />
Processes<br />
Impacts<br />
Outcomes<br />
Existence and quality <strong>of</strong> educational programs and trainings provided through/at <strong>the</strong> time <strong>of</strong>:<br />
a) families attending health clinics<br />
b) attending mandatory continuing qualification courses for employees<br />
c) <strong>the</strong> meetings <strong>of</strong> “parents and teacher associations”<br />
d) TV programs<br />
e) bulletins<br />
f) competitions<br />
g) emails<br />
h) text messages<br />
i) attending health clinics specially for those suffering from obesity or diabetes<br />
a) public awareness and attitude towards harmful effects <strong>of</strong> excessive salt intake<br />
b) level <strong>of</strong> salt intake per capita<br />
c) <strong>the</strong> extent to which prepared food are used<br />
d) prevalence <strong>of</strong> taking salty snacks<br />
e) Consuming fast foods<br />
f) using discretionary salt at table<br />
a) Prevalence <strong>of</strong> hypertension<br />
b) Prevalence <strong>of</strong> controlled hypertension<br />
c) Average blood pressure level<br />
d) <strong>In</strong>cidence <strong>of</strong> cardiovascular disease<br />
e) <strong>In</strong>cidence <strong>of</strong> gastric cancer<br />
f) All-cause mortality rate<br />
g) Prevalence <strong>of</strong> obesity<br />
Advocacy Strategies and Action Plans for Reducing Salt intake in Iran<br />
Table 5. Surveillance and monitoring plan for evaluation and assessment <strong>the</strong> Iranian national salt reduction program<br />
sidered in order to evaluate and assess <strong>the</strong> “processes”, <strong>the</strong>ir “impacts”,<br />
and “outcomes” in each <strong>of</strong> <strong>the</strong> target groups; according to<br />
which <strong>the</strong> plan would be reviewed and revised. Multiple indicators<br />
were defined for each type <strong>of</strong> evaluation and its target population,<br />
place, time and frequency were explained in <strong>the</strong> full report. For instance,<br />
<strong>the</strong> success <strong>of</strong> interventions at <strong>the</strong> general population level<br />
will be assessed by:<br />
a) Assessing and evaluating <strong>the</strong> “processes” through which <strong>the</strong><br />
intervention is communicated with <strong>the</strong> public (e.g. by assessing<br />
<strong>the</strong> existence and quality <strong>of</strong> education and training provided to <strong>the</strong><br />
population on harmful effects <strong>of</strong> salt)<br />
b) Assessing and evaluating <strong>the</strong>ir “impacts” on general population<br />
by measures such as monitoring <strong>the</strong> trend in population’s salt<br />
intake<br />
c) Assessment and evaluation <strong>of</strong> <strong>the</strong> “outcomes”, for instance<br />
by monitoring <strong>the</strong> reductions in <strong>the</strong> level <strong>of</strong> blood pressure at <strong>the</strong><br />
population level.<br />
Table 5 provides <strong>the</strong> details <strong>of</strong> <strong>the</strong> surveillance and monitoring<br />
plan for assessment <strong>of</strong> <strong>the</strong> success <strong>of</strong> <strong>the</strong> national salt reduction<br />
program in <strong>the</strong> general population.<br />
Acknowledgments<br />
The study was supported by a grant from <strong>the</strong> Nutrition Department<br />
<strong>of</strong> Iranian Ministry <strong>of</strong> Health and Medical Education and <strong>the</strong><br />
Office <strong>of</strong> World Health Organization in Iran. We thank Drs. Mansour<br />
Shiri, Katayoun Rabiei, Hasan Alikhasi Mohammad Badiei,<br />
and Soheila Kanani who cooperated in conducting this study.<br />
Conflict <strong>of</strong> interest: None to declare<br />
Archives <strong>of</strong> Iranian Medicine, Volume 15, Number 5, May 2012 323
References<br />
1. Alwan A, Maclean DR, Riley LM, d’Espaignet ET, Ma<strong>the</strong>rs CD, Stevens<br />
GA, et al. Monitoring and surveillance <strong>of</strong> chronic non-communicable<br />
diseases: progress and capacity in high-burden countries. Lancet.<br />
2010; 376: 1861 – 1868.<br />
2. Daar AS, Singer PA, Persad DL, Pramming SK, Mat<strong>the</strong>ws DR, Beaglehole<br />
R, et al. Grand challenges in chronic non-communicable diseases.<br />
Nature. 2007; 450: 494 – 496.<br />
3. The global burden <strong>of</strong> Disease, 2004 update. Geneva: World Health Organization;<br />
2008.<br />
4. Lawes CM, Vander HS, Rodgers A. Global burden <strong>of</strong> blood-pressurerelated<br />
disease, 2001. Lancet. 2008; 371: 1513 – 1518.<br />
5. Global health risks: mortality and burden <strong>of</strong> disease attributable to selected<br />
major risks. Geneva: WHO; 2009.<br />
6. MacMahon S, Alderman MH, Lindholm LH, Liu L, Sanchez RA,<br />
Seedat YK. Blood-pressure-related disease is a global health priority.<br />
J Hypertens. 2008; 26(10): 2071 – 2072.<br />
7. INTERSALT cooperative research group. <strong>In</strong>tersalt: an international<br />
study <strong>of</strong> electrolyte excretion and blood pressure. Results for 24 hour<br />
urinary sodium and potassium excretion. <strong>In</strong>tersalt Cooperative Research<br />
Group. BMJ. 1988; 297: 319 – 328.<br />
8. He FJ, MacGregor GA. Salt, blood pressure and cardiovascular disease.<br />
Curr Opin Cardiol. 2007; 22(4): 298 – 305.<br />
9. Khaw KT, Bingham S, Welch A, Luben R, O’Brien E, Wareham N, et<br />
al. Blood pressure and urinary sodium in men and women: <strong>the</strong> Norfolk<br />
Cohort <strong>of</strong> <strong>the</strong> European Prospective <strong>In</strong>vestigation into Cancer (EPIC-<br />
Norfolk).[see comment]. American Journal <strong>of</strong> Clinical Nutrition.<br />
2004; 80(5): 1397 – 1403.<br />
10. Meneton P, Jeunemaitre X, de Wardener HE, MacGregor GA. Links<br />
between dietary salt intake, renal salt handling, blood pressure, and cardiovascular<br />
diseases. Physiol Rev. 2005; 85(2): 679 – 715.<br />
11. He FJ, MacGregor GA. Effect <strong>of</strong> longer-term modest salt reduction on<br />
blood pressure. Cochrane Database Syst Rev. 2004; 3: CD004937.<br />
12. Tuomilehto J, Jousilahti P, Rastenyte D, Moltchanov V, Tanskanen A,<br />
Pietinen P, et al. Urinary sodium excretion and cardiovascular mortality<br />
in Finland: a prospective study. Lancet. 2001; 357: 848 – 851.<br />
13. Cook NR, Obarzanek E, Cutler JA, Buring JE, Rexrode KM, Kumanyika<br />
SK, et al. Joint effects <strong>of</strong> sodium and potassium intake on<br />
subsequent cardiovascular disease: <strong>the</strong> Trials <strong>of</strong> Hypertension Prevention<br />
follow-up study. Arch <strong>In</strong>tern Med. 2009;169(1): 32 – 40.<br />
14. Strazzullo P, D’Elia L, Kandala NB, Cappuccio FP. Salt intake, stroke,<br />
and cardiovascular disease: meta-analysis <strong>of</strong> prospective studies. BMJ.<br />
2009;339: b4567.<br />
15. World Cancer Research Fund / American <strong>In</strong>stitute for Cancer Research.<br />
World Cancer Research Fund / American <strong>In</strong>stitute for Cancer<br />
Research. Food, Nutrition, Physical Activity, and <strong>the</strong> Prevention <strong>of</strong><br />
Cancer: a Global Perspective. Washington DC: AICR. 2007.<br />
16. UN High-Level Meeting puts NCDs on <strong>the</strong> map, falls short <strong>of</strong> setting<br />
goals or targets. Available from : URL: http://www.ncdalliance.org/<br />
node/3517 . 2011.<br />
17. Danaei G, Ding EL, Mozaffarian D, Taylor B, Rehm J+, Murray CJL,<br />
et al. The Preventable Causes <strong>of</strong> Death in <strong>the</strong> United States: Comparative<br />
Risk Assessment <strong>of</strong> Dietary, Lifestyle, and Metabolic Risk Factors.<br />
PLoS Med. 2009; 6(4): 1000058.<br />
18. Bibbins-Domingo K, Chertow GM, Coxson PG, Moran A, Lightwood<br />
JM, Pletcher MJ, et al. Projected effect <strong>of</strong> dietary salt reductions on<br />
future cardiovascular disease. N Engl J Med. 2010;362(7): 590 – 599.<br />
324 Archives <strong>of</strong> Iranian Medicine, Volume 15, Number 5, May 2012<br />
N. Mohammadifard, S. Fahimi, A. Khosravi, et al.<br />
19. Asaria P, Chisholm D, Ma<strong>the</strong>rs C, Ezzati M, Beaglehole R. Chronic<br />
disease prevention: health effects and financial costs <strong>of</strong> strategies to<br />
reduce salt intake and control tobacco use. Lancet. 2007; 370: 2044 –<br />
2053.<br />
20. WHO forum on reducing salt intake in populations. Reducing salt intake<br />
in populations, report <strong>of</strong> a WHO forum and technical meeting, 5-7<br />
October 2006, Paris, France. 2007.<br />
21. The effectiveness and costs <strong>of</strong> populatioin interventions to reduce salt<br />
consumption, background paper prepared by Bruce Neal with assistance<br />
from Wu Yangfeng and Nicole Li to <strong>the</strong> WHO froum and technical<br />
meeting on “Reducing Salt <strong>In</strong>take in Populations” 5-7 october<br />
2006, Paris, France. 2006.<br />
22. Naghavi M, Abolhassani F, Pourmalek F, Lakeh M, Jafari N, Vaseghi<br />
S, et al. The burden <strong>of</strong> disease and injury in Iran 2003. Popul Health<br />
Metr. 2009;7: 9.<br />
23. World Health Organization. Noncommunicable diseases country pr<strong>of</strong>iles<br />
2011, WHO global report. 2012.<br />
24. Sepanlou SG, Kamangar F, Poustchi H, Malekzadeh R. Reducing <strong>the</strong><br />
burden <strong>of</strong> chronic diseases: a neglected agenda in Iranian health care<br />
system, requiring a plan for action. Arch Iran Med. 2010;13(4): 340 –<br />
350.<br />
25. Iran stresses measures to prevent non-communicable diseases. Available<br />
from: URL: http://tehrantimes.com/index.php/health/2906-iranstresses-measures-to-prevent-non-communicable-diseases<br />
. 2011.<br />
Tehran Times.<br />
26. Fahimi S, Pharoah P. Reducing salt intake in iran: priorities and challenges.<br />
Arch Iran Med. 2012;15(2):110 – 112.<br />
27. Mohammadifard N, Khosravi A, Sarrafzadegan N. Advocacy strategies<br />
and action plans for reducing salt intake in Iran (in Persian). Available<br />
from: URL: http://www.icrc.ir/pdf/advocacy.pdf . 2011.<br />
28. Khosravi A, Kelishadi R, Sarrafzadegan N, Boshtam M, Nouri F,<br />
Zarfeshani S, et al. Impact <strong>of</strong> a community-based lifestyle intervention<br />
program on blood pressure and salt intake <strong>of</strong> normotensive adult<br />
population in a developing country. J Res Med Sci. 2012; 17(3):12.<br />
29. Rafiei M, Boshtam M, Sarraf-Zadegan N, Seirafian S. The relation between<br />
salt <strong>In</strong>take and blood pressure among Iranians. Kuwait Medical<br />
Journal. 2008;40(3):191 – 195.<br />
30. Azizi F, Rahmani M, Allahverdian S, Hedayati M. Effects <strong>of</strong> salted<br />
food consumption on urinary iodine and thyroid function tests in two<br />
provinces in <strong>the</strong> Islamic Republic <strong>of</strong> Iran. Eastern Mediterranean<br />
Health Journal . 2001;7: 115 – 20.<br />
31. Rahmani M, Koohkan A, Allahverdian S, Hedayati M, Azizi F. Comparison<br />
<strong>of</strong> dietary iodine intake and Urinary excretion in urban and<br />
rural Households <strong>of</strong> Ilam in 2000 (in Persian). Iranian Journal <strong>of</strong> Endocrinology<br />
and Metabolism. 2000; 2: 1<br />
32. Diet,nutrition and <strong>the</strong> prevention <strong>of</strong> chronic diseases; Report <strong>of</strong> a joint<br />
WHO/FAO expert consultation group, Geneva. 2003.<br />
33. Medical Research Council Human Nutrition Research CU. Why 6g? A<br />
summary <strong>of</strong> <strong>the</strong> scientific evidence for <strong>the</strong> salt intake target. 2005.<br />
34. National <strong>In</strong>stitute <strong>of</strong> Clinical Excellence. Guidance on <strong>the</strong> prevention<br />
<strong>of</strong> cardiovascular disease at <strong>the</strong> population level. 2011.<br />
35. Dietary Guidelines for Americans, 2010. US Department <strong>of</strong> Agriculture<br />
2010Available from: URL: http://www.cnpp.usda.gov/Dietary-<br />
Guidelines.htm<br />
36. Dropping <strong>the</strong> salt; Practical steps countries are taking to prevent chronic<br />
non-communicable diseases through population-wide dietary salt reduction.<br />
2009.<br />
37. Consensus Action on Salt and Health, July 2009-10 Annual Report.<br />
2010.
Case Report<br />
A Rare Case <strong>of</strong> Perforated Meckel’s Diverticulum Presenting as a<br />
Gatrointestinal Stromal Tumor<br />
Selim Sozen MD• 1 , Ömer Tuna MD 1<br />
Abstract<br />
Meckel’s diverticulum is located on <strong>the</strong> antimesentric border <strong>of</strong> <strong>the</strong> ileum, approximately 45 to 60 cm proximal to <strong>the</strong> ileocecal valve, and<br />
results from incomplete closure <strong>of</strong> <strong>the</strong> omphalomesentric or viteline duct. Common complications presenting in adults include bleeding, obstruction,<br />
diverticulitis, and perforation. Tumors within Meckel’s diverticulum are a rare, but recognized complication.<br />
A 62year-old woman presented with peri-umbilical pain that had localized to <strong>the</strong> right iliac fossa. On examination, she was tender in <strong>the</strong> right<br />
iliac fossa, with localized peritonism. At surgery,a perforated Meckel’s diverticulum was found that was associated with free intra-abdominal<br />
fluid and hemorrhage. A 25 mm nodule was found at <strong>the</strong> apex <strong>of</strong> Meckel’s diverticulum.We resected 100 mm <strong>of</strong> <strong>the</strong> small bowel and a primary<br />
anastamosis was performed.Histopathological examination <strong>of</strong> <strong>the</strong> resected lesion revealed a mesenchymal tumor categorized as a<br />
gastrointestinal stromal tumor (GISTs).<br />
GISTs arising from Meckel’s diverticulum are an extremely rare, but recognized complication. Surgery is considered <strong>the</strong> standard treatment<br />
for non-metastatic GISTs with enbloc resection and clear margins.<br />
Keywords: Complications, gastrointestinal stromal tumor, Meckel’s diverticulum<br />
Cite this article as: Sozen S, Tuna O. A Rare Case <strong>of</strong> Perforated Meckel’s Diverticulum Presenting as a Gatrointestinal Stromal Tumor. Arch Iran Med. 2012; 15(5):<br />
325 – 327.<br />
<strong>In</strong>troduction<br />
Meckel’s diverticulumis located on <strong>the</strong> antimesentric border<br />
<strong>of</strong> <strong>the</strong>ileum, approximately 45 to 60 cm proximal to <strong>the</strong><br />
ileocecalvalve, and results from incomplete closure <strong>of</strong> <strong>the</strong><br />
omphalomesentricor viteline duct. 1Common complications presentingin<br />
adults include bleeding, obstruction, diverticulitis, andperforation.<br />
Tumors within a Meckel’s diverticulum are a rare but<br />
recognized complication. Meckel’s diverticulumis surgically removed<br />
only when a complication arises ora neoplasia develops.<br />
The tumors are infrequent andobserved only in 0.5% – 3.2% <strong>of</strong> <strong>the</strong><br />
Meckel’s diverticula.Of <strong>the</strong>setumors, 12% are gastrointestinal<br />
stromal tumors(GISTs). 2<br />
GISTs occurs predominantly in adults at a median age <strong>of</strong>58 years.<br />
The majority <strong>of</strong> GISTs (60% to 70%) have been reported to arise<br />
in <strong>the</strong> stomach, whereas 20% to 30% originate in <strong>the</strong> small intestine,<br />
and less than 10% in <strong>the</strong> esophagus, colon, and rectum. GISTs<br />
also occur in <strong>the</strong> extra-intestinal abdominopelvic sites such as <strong>the</strong><br />
omentum, mesentery, andretroperitoneum. 3,4 GISTs arising from<br />
Meckel’s diverticulum are extremely rare. 5<br />
Case Report<br />
A 62-yearold woman presented with peri-umbilical pain that had<br />
localized to <strong>the</strong> right iliac fossa. On examination, she was tender<br />
in <strong>the</strong> right iliac fossa with localized peritonism. Hematologic tests<br />
showed decreased hematocrit (Ht: 22%) and a platelet (PLT) count<br />
Authors’ Affiliations: 1 Kayseri Training and Research Hospital, Department <strong>of</strong><br />
General Surgery.<br />
•Corresponding author and reprints: Selim Sozen MD, Kayseri Training and<br />
Research Hospital Department <strong>of</strong> General Surgery, Kayseri /Turkey.<br />
E-mail: selimsozen63@yahoo.com.<br />
Accepted for publication: 14 September 2011<br />
<strong>of</strong> 114000/mL. Her Hiser white cell count was 15.2 × 10 9 (neutrophils<br />
12.1 × 10 9 ).On physical examination, <strong>the</strong>re was abdominal<br />
tenderness, rebound, and increased bowel sounds in all quadrants.<br />
Plain abdominal X-rays were first obtained when<strong>the</strong> patient had<br />
acute symptoms, which revealed air-fluid levels that suggested intestinal<br />
obstruction(Figure 1). A palpable mass in <strong>the</strong> right lower<br />
quadrant was present.The patientunderwent surgery with a diagnosis<br />
<strong>of</strong> plastrone appendicitis. A McBurney incision in <strong>the</strong> abdomen<br />
was made;<strong>the</strong> appendix was normal. During surgery, a perforated<br />
Meckel’s diverticulum was found, which was associated with free<br />
intra-abdominal fluid and hemorrhage (Figure 2). A 25 mm nodule<br />
was found at <strong>the</strong> apex <strong>of</strong> Meckel’s diverticulum. Theperforation<br />
<strong>of</strong> <strong>the</strong> diverticulum was also not associatedwith <strong>the</strong> tumor nodule.<br />
At <strong>the</strong> subsequent laparotomy, 100 mm <strong>of</strong> small bowel was resected<br />
and primary anastamosis performed. Histology confirmed<br />
a Meckel’s diverticulum with a 12 mm area <strong>of</strong> perforation. The<br />
histopathological examination <strong>of</strong> <strong>the</strong> resected lesion revealed a<br />
mesenchymal tumor which was categorized as a GIST tumor. The<br />
stromal tumor demonstrated whirling sheets <strong>of</strong> spindle cells with<br />
a moderate level <strong>of</strong> pleomorphism and mitotic activity (6 – 7 mitoses/50<br />
HPF; H&E stain). No necrosis was observed. Immunohistochemical<br />
staining for CD117, a-smooth-muscle actin (SMA),<br />
and S-100 protein was positive, whereas staining for desmin and<br />
CD34 was negative(Figure 3). The labeling index for MIB-1, determined<br />
by counting positively stained nuclei, was about 5%.The<br />
postoperative period was unremarkable and she was discharged in<br />
good general condition.<br />
Discussion<br />
GIST<br />
Meckel’s diverticulum is <strong>the</strong> most commonly encountered congenital<br />
anomaly <strong>of</strong> <strong>the</strong> small intestine, occurring in approximately<br />
Archives <strong>of</strong> Iranian Medicine, Volume 15, Number 5, May 2012 325
Figure 1. Plain abdominal X-rays were first obtained in patient with acute<br />
symptoms, which revealed air-fluid levels suggestive <strong>of</strong> intestinal obstruction.<br />
2% <strong>of</strong> <strong>the</strong> population. 6,7 GISTs, which arise primarily in <strong>the</strong> gut<br />
wall, are uncommon mesenchymal,malignant, or potentially malignant<br />
tumors affecting <strong>the</strong> gastrointestinal tract. GISTs are <strong>the</strong><br />
most commonnon-epi<strong>the</strong>lial tumors <strong>of</strong> <strong>the</strong> digestive tract, accounting<br />
for only 1% <strong>of</strong> all gastrointestinal malignancies. 8,9 Primary<br />
GISTs may occur anywhere along <strong>the</strong> gastrointestinal tract from<br />
<strong>the</strong> esophagus to <strong>the</strong> anus. 10 The most frequent site is <strong>the</strong> stomach<br />
(55%), followed by <strong>the</strong> duodenum and small intestine (30%),<br />
esophagus (5%), rectum (5%), colon (2%), and rare o<strong>the</strong>r locations.The<br />
incidence <strong>of</strong> tumors within Meckel’s diverticulm is 0.5%<br />
to 3.2%. 2 Most are commonly benign tumors such as leiomyomas,<br />
angiomas, and lipomas. Malignant neoplasms include adenocarcinoma<br />
(which commonly originate from <strong>the</strong> gastric mucosa), sarcoma,<br />
carcinoid tumor, and GISTs.<br />
The most common presentation <strong>of</strong> GISTs is acute or chronic gastrointestinal<br />
bleeding. They <strong>of</strong>ten present with nausea, vomiting,<br />
abdominal pain, metastatic disease, and bowel obstruction. <strong>In</strong> our<br />
case, <strong>the</strong> patient presented with bowel obstruction and perforation.<br />
<strong>In</strong> a large series <strong>of</strong> 1476 cases at <strong>the</strong> Mayo Clinic, Park et al. have<br />
reported <strong>the</strong> most common presentations <strong>of</strong> symptomatic Meckel’s<br />
326 Archives <strong>of</strong> Iranian Medicine, Volume 15, Number 5, May 2012<br />
Figure 2. A 25 mm nodule was found at <strong>the</strong> apex <strong>of</strong> Meckel’s diverticulum.<br />
Figure 3. Immunohistochemical staining for CD117, a-smooth-muscle actin (SMA),<br />
and S-100 protein was positive, whereas staining for desmin and CD34 was negative.<br />
S. Sozen, Ö. Tuna<br />
diverticula in adults to be bleeding (38%), obstruction (34%), diverticulitis<br />
(28%) and perforation (10%). 11 GISTs arise from <strong>the</strong><br />
interstitial cells <strong>of</strong> Cajal, <strong>the</strong> pacemaker cells <strong>of</strong> <strong>the</strong> gastrointestinal<br />
tract. 8 GISTs strongly expresses <strong>the</strong> KIT (CD 117) protein and may<br />
harbor mutations <strong>of</strong> <strong>the</strong> type III tyrosine kinase receptorgene (ei<strong>the</strong>r<br />
KIT or PDGFRA). 12 For many patients, detection <strong>of</strong> GISTs may be<br />
an incidentalfinding during evaluation <strong>of</strong> nonspecific symptoms.<br />
Symptoms tend to arise only when tumors reach alarge size or are<br />
in a critical anatomic location. Most symptomaticpatients present<br />
with tumors larger than 5 cm inmaximal dimension. Symptoms<br />
at presentation mayinclude abdominal pain, abdominal mass, nausea,<br />
vomiting,anorexia, and weight loss. There are little prognostic<br />
data regarding GISTs and current prognostic indicators are based<br />
on consensus guidelines. The most important adverse factors are<br />
thought to be a tumor diameter <strong>of</strong> greater than 5 cm and a high mitotic<br />
count exceeding 5 mitotic figures per 50 high powered fields<br />
on light microscopy. 12,13 O<strong>the</strong>r suggested factors indicative <strong>of</strong> poor<br />
prognosisinclude tumor perforation, tumor necrosis, high cellularity,<br />
and marked pleiomorphism. 12<br />
Surgery is considered <strong>the</strong> standard treatment for non-metastatic
GISTs with enbloc resection and clear margins. The treatment <strong>of</strong><br />
choice is <strong>the</strong> complete resection <strong>of</strong> <strong>the</strong> tumour. The surgeon’s approach<br />
in an actual case depends on factors such as: <strong>the</strong> exact anatomical<br />
site <strong>of</strong> <strong>the</strong> GISTs, <strong>the</strong> characteristics <strong>of</strong> <strong>the</strong> individual patient’s<br />
particular situation, and <strong>the</strong> specific location <strong>of</strong> <strong>the</strong> tumour<br />
relative to <strong>the</strong> blood supply <strong>of</strong> <strong>the</strong> involved organ. There is little evidence<br />
to support local/regional lymphadenectomy as GISTs rarely<br />
metastasize to lymph nodes. 12 Targeted <strong>the</strong>rapy with imantinib, a<br />
KIT tyrosine kinase inhibitor, is considered <strong>the</strong> standard treatment<br />
for metastatic GISTs. 12 <strong>In</strong> our case, <strong>the</strong> outcome has shown that<br />
<strong>the</strong> location is very important in determining <strong>the</strong> prognosis. Patients<br />
with a small bowel localization do worse than those with<br />
stomach GISTs as reported by DeMatteo et al. 14 <strong>In</strong> a case <strong>of</strong> a MD<br />
(Meckel diverticulum) localization, treatment with imatinib mesylate<br />
has been reported by Khoury et al., 15 but <strong>the</strong> impact on <strong>the</strong><br />
clinical behavior <strong>of</strong> <strong>the</strong> disease has not been described. The case<br />
reported by us has a low risk <strong>of</strong> recurrence based on characteristics<br />
<strong>of</strong> amaximum diameter <strong>of</strong> 2.5 cm, a low mitotic count <strong>of</strong> less than<br />
one mitotic figure in 10 × 40 high powered fields, and no evidence<br />
<strong>of</strong> necrosis. Importantly, <strong>the</strong> perforation <strong>of</strong> <strong>the</strong> diverticulum was<br />
also not associated with <strong>the</strong> tumor nodule.<br />
Conclusion<br />
GISTs arising from Meckel’s diverticulum are an extremely rare<br />
but recognized complication. 5 Surgery is considered <strong>the</strong>standard<br />
treatment for non-metastatic GISTs with enblocresection and clear<br />
margins.<br />
References<br />
1. Dumper J, Mackenzie S, Mitchell P, Su<strong>the</strong>rland F, Quan ML, Mew D.<br />
Complications <strong>of</strong> Meckel’s diverticula in adults. Can J Surg. 2006; 49:<br />
GIST<br />
353 – 357.<br />
2. Yahchouchy E, Marano A, Etienne J, Fingerhurt A. Meckel’s diverticulum.<br />
J Am Coll Surg. 2001; 192: 658 – 662.<br />
3. DeMatteo RP, Lewis JJ, Leung D, Mudan SS, Woodruff JM, Brennan<br />
MF.Two hundred gastrointestinal stromal tumors: Recurrence patterns<br />
and prognostic factors for survival. Ann Surg. 2000; 231: 51 – 58.<br />
4. Miettinen M, Lacosta J.Gastrointestinal stromal tumors definition,<br />
clinical, histological, immunohistochemical and molecular genetic<br />
features and differential diagnosis. Arch Pathol Lab Med. 2006; 130:<br />
1466 – 1478.<br />
5. Hager M, Maier H, Eberwein M, Klingler P, Kolbitsch C, Tiefenthaler<br />
W, et al. Perforated Meckel’s diverticulum presenting as a gastrointestinal<br />
stromal tumor:A case report. J Gastrointest Surg. 2005; 9: 809<br />
– 811.<br />
6. Haber JJ.Meckel’s diverticulum. Am J Surg.1947; 73: 468 – 485.<br />
7. Harkins HN.<strong>In</strong>tussusception due to invaginated Meckel’s diverticulum.<br />
Ann Surg.1933; 98: 1070 – 1095.<br />
8. Nowain A, Bhakta H, Pais S, Kanel G, Verma S. Gastrointestinal stromal<br />
tumors: Clinical pr<strong>of</strong>ile, pathogenesis, treatment strategies and<br />
prognosis. J Gastroenterol Hepatol. 2005; 20: 818 – 824.<br />
9. Eisenberg BL, Judson I. Surgery and imatinib in <strong>the</strong> management <strong>of</strong><br />
GIST: Emerging approaches to adjuvant and neoadjuvant <strong>the</strong>rapy. Ann<br />
Surg Oncol. 2004; 11: 465 – 475.<br />
10. Judson I. Gastrointestinal stromal tumors (GIST): Biology and treatment.<br />
Ann Oncol. 2002; 13: 4287 – 4289.<br />
11. Park J, Wolff B, Tollefson M, Walsh E, Larson D. Meckel diverticulum.<br />
The Mayo Clinic experience with 1476 patients (1950 – 2002).<br />
Ann Surg. 2005; 241: 529 – 533.<br />
12. Joensuu H. Gastrointestinal stromal tumor (GIST). Ann Oncol. 2006;<br />
10: 280 – 286.<br />
13. Chang M, Choe G, Kim W, Kim Y. Small intestine stromal tumors:<br />
A clinicopathological study <strong>of</strong> 31 tumors. Pathol <strong>In</strong>t. 1998; 48: 341<br />
– 347.<br />
14. Dematteo RP, Gold JS, Saran L, Gönen M, Liau KH,Maki RG, et al.<br />
Tumormitotic rate, size, and location independently predict recurrence<br />
after resection <strong>of</strong> primary gastrointestinal stromal tumor (GIST). Cancer.<br />
2008; 112(3): 608 – 615.<br />
15. Khoury MG, Aulicino MR. Gastrointestinal stromal tumor (GIST)<br />
presenting in a Meckel’s diverticulum. Abdom Imaging. 2007; 32: 78<br />
– 80.<br />
Archives <strong>of</strong> Iranian Medicine, Volume 15, Number 5, May 2012 327
<strong>In</strong>troduction<br />
Hydatid disease is a parasitic disease most commonly caused<br />
by <strong>the</strong> larval stage <strong>of</strong> <strong>the</strong> tapeworm Echinococcus granulosus.<br />
1 Humans may become intermediate hosts through contact<br />
with a definitive host or by ingestion <strong>of</strong> contaminated water or<br />
vegetables. 2<br />
<strong>In</strong> humans, eggs hatch and embryos migrate through <strong>the</strong> intestinal<br />
mucosa before entering <strong>the</strong> portal circulation, causing hepatic<br />
hydatid disease. If embryos bypass <strong>the</strong> liver, <strong>the</strong>y can reach <strong>the</strong><br />
pulmonary circulation via <strong>the</strong> inferior vena cava, forming cysts in<br />
<strong>the</strong> lungs. 2–5 The most frequent sites <strong>of</strong> hydatid cyst involvement<br />
are <strong>the</strong> liver (45% – 75%) and lungs (10% – 50%). 4 Embryos may<br />
reach o<strong>the</strong>r organs or tissues in <strong>the</strong> body via <strong>the</strong> systemic circulation.<br />
These unusual sites include <strong>the</strong> brain, muscles, kidneys, heart,<br />
adrenals, and numerous o<strong>the</strong>r sites, all <strong>of</strong> which may cause preoperative<br />
diagnostic difficulties. 1<br />
The hydatid cyst wall has 3 layers <strong>of</strong> which <strong>the</strong> outermost layer<br />
is <strong>the</strong> pericyst, <strong>the</strong> middle layer is <strong>the</strong> laminated membrane, and<br />
<strong>the</strong> innermost layer is called <strong>the</strong> endocyst or germinal epi<strong>the</strong>lium. 1<br />
Localization <strong>of</strong> <strong>the</strong> hydatid cyst in <strong>the</strong> adrenal glands is very rare<br />
(less than 1% <strong>of</strong> all cases). 4,5 Most reported cases have been discovered<br />
incidentally, but some adrenal hydatid disease has been<br />
reported to coexist with arterial hypertension. 4–9 There are a few<br />
reports <strong>of</strong> adrenal hydatid cyst presenting with symptoms suggestive<br />
<strong>of</strong> pheochromocytoma(episodes <strong>of</strong> headache, sweating, palpitations,<br />
and hypertension). 5<br />
Herein we report a case <strong>of</strong> primary adrenal hydatidosis,accompanied<br />
by arterial hypertension.<br />
Case report<br />
A 66-year-old female referred to <strong>the</strong> Surgical Department at<br />
Fasa University <strong>of</strong> Medical Scienceswith complaints <strong>of</strong> right flank<br />
328 Archives <strong>of</strong> Iranian Medicine, Volume 15, Number 5, May 2012<br />
Case Report<br />
Primary Adrenal Hydatid Cyst Presenting with Arterial<br />
Hypertension<br />
Maral Mokhtari MD• 1 , Sam ZeraatianNejadDavani MD 2<br />
Abstract<br />
Hydatid disease is an endemic illness in some countries. The main sites <strong>of</strong> involvement are <strong>the</strong> liver and lungs, but rarely,it can be seen in<br />
o<strong>the</strong>r organs as well. Herein, we report a case <strong>of</strong> primary adrenal hydatid cyst accompanied by arterial hypertension.<br />
Keywords:Adrenal gland, hydatid cyst, hypertension<br />
Cite this article as: Mokhtari M, ZeraatianNejad Davani S. Primary Adrenal Hydatid Cyst Presenting with Arterial Hypertension. Arch Iran Med. 2012; 15(5):<br />
328 – 330.<br />
Authors’ Affiliations: 1 Department <strong>of</strong> Pathology, Shiraz University <strong>of</strong> Medical<br />
Sciences, Shiraz, Iran, 2 Department <strong>of</strong> Surgery, Fasa University <strong>of</strong> Medical Sciences,<br />
Fasa, Iran.<br />
•Corresponding author and reprints:Maral Mokhtari MD, Pathology<br />
Department,Shiraz University <strong>of</strong> Medical Sciences, Shiraz, Iran.<br />
Fax: +987112301784, E-mail: maral_mokhtari@yahoo.com.<br />
Accepted for publication: 12 October 2011<br />
pain with radiation to her back. She had a 2-year history <strong>of</strong> arterial<br />
hypertension (systolic 150 – 170 and diastolic 95 – 105) and<br />
was on anti-hypertensive medications. Physical examination was<br />
unremarkable except for a blood pressure <strong>of</strong> 150/95. Laboratory<br />
examinations that included hematological and biochemical studies<br />
were within normal limits. As a part <strong>of</strong> <strong>the</strong> diagnostic workup,<br />
abdomeno pelvic computed tomography scan (CT scan) and plain<br />
chest X-ray were performed. Chest X-ray was unremarkable; however<br />
<strong>the</strong> abdominal CT scan showed a solitary lesion measured 5<br />
cm with coarse calcification in <strong>the</strong> right adrenal gland (Figure1).<br />
The o<strong>the</strong>r organs were unremarkable. Due to <strong>the</strong> possibility <strong>of</strong><br />
pheochromocytoma,<strong>the</strong> urine catecholamine level was measured<br />
which was normal. The patient underwent open laparotomy and a<br />
right adrenalectomy was performed.<br />
Gross examination revealed a thick-walled, calcified cystic mass<br />
filled with an amorphous, fragile, creamy-white material measured<br />
5.5×5 cm(Figures 2 A,B). Microscopic study showed a calcified<br />
cyst that had a fibrous wall with no epi<strong>the</strong>lial lining. The cyst was<br />
filled with a pink amorphous material that contained rare hooklet<br />
<strong>of</strong> echinococcus granulosus (Figures 3 A, B, C).<br />
The histologic diagnosis was primary adrenal hydatid cyst.<br />
The post-operative period was uneventful and <strong>the</strong> patient was<br />
discharged with normal blood pressure. Thus anti-hypertensive<br />
medications were discontinued.During <strong>the</strong> following 3 months,<br />
<strong>the</strong> patient remained normotensive.<br />
Discussion<br />
M. Mokhtari, S. Zeraatian Nejad Davani<br />
Hydatid disease is a parasitic disease, endemic in Iran and some<br />
countries. Cysts located in organs o<strong>the</strong>r than <strong>the</strong> liver and lungs are<br />
usually manifestation <strong>of</strong> generalized disease. 4<br />
Adrenal gland involvement may be due to secondary spread resulting<br />
from spontaneous or intra-operative rupture <strong>of</strong> a primary<br />
cyst, but <strong>the</strong> primary hydatid cyst <strong>of</strong> <strong>the</strong> adrenal gland is a rare<br />
event. 2 Cysts <strong>of</strong> <strong>the</strong> adrenal glands are usually unilateral (90%) and<br />
show no special predilection for ei<strong>the</strong>r side. 4<br />
Adrenal hydatid disease is slow-growing, <strong>the</strong>refor it isusually an<br />
incidental discovery. When symptoms are present <strong>the</strong>y are related<br />
to visceral compression. The most prominent features are flank<br />
pain, gastrointestinal symptoms (bloating, nausea, vomiting, con-
Figure 1. Abdominal CT scan shows a calcified mass in <strong>the</strong> right adrenal gland.<br />
stipation, and anorexia) and a palpable mass. 2,7 Rarely, hydatid cyst<br />
coexists with arterial hypertension and is referred to as Goldblatt’s<br />
phenomenon which may be caused by external compression <strong>of</strong> <strong>the</strong><br />
renal artery by <strong>the</strong> cyst. 3 Some hypertensive patients have normal<br />
blood pressure after surgical removal <strong>of</strong> <strong>the</strong> hydatid cyst, as in<br />
our patient, however presence <strong>of</strong> adrenal hydatid cyst as <strong>the</strong> sole<br />
etiology <strong>of</strong> <strong>the</strong> hypertension is controversial .Some authors have<br />
reported that <strong>the</strong> hypertension may continue even after complete<br />
resection <strong>of</strong> <strong>the</strong> cyst. 9<br />
Nouria et al. 5 have reported a case <strong>of</strong> adrenal hydatid cyst with<br />
cardinal symptoms <strong>of</strong> pheochromocytoma and elevated Vanillylmandelic<br />
acid (VMA) level. They suggested that <strong>the</strong> elevation <strong>of</strong><br />
catecholamine may be due to compression <strong>of</strong> <strong>the</strong> adrenal medulla<br />
by <strong>the</strong> cyst leading to catecholamine release.<br />
<strong>In</strong> our case <strong>the</strong> urine VMA was within normal limits so <strong>the</strong> pressure<br />
effect on <strong>the</strong> adrenal medulla was a remote possibility. Compression<br />
<strong>of</strong> <strong>the</strong> renal artery may be <strong>the</strong> responsible cause <strong>of</strong> hypertension<br />
because <strong>of</strong> normalization <strong>of</strong> blood pressure after surgery.<br />
Serological studies may help to diagnose hydatid cyst but <strong>the</strong>y<br />
lack sensitivity and specificity. Imaging studies such as ultrasound,<br />
CT scan and MRI can assist with diagnosis, site <strong>of</strong> involvement,<br />
(A) (B)<br />
Figures 2 A,B. Large cystic adrenal mass filled with chalky white material.<br />
<strong>the</strong> number <strong>of</strong> cysts, and possible complications. 2<br />
<strong>In</strong> radiologic modalities calcification is seen in about 20% <strong>of</strong> hydatid<br />
cysts and its presence in an adrenal mass is suggestive <strong>of</strong><br />
hydatid cyst. 2<br />
The complications <strong>of</strong> adrenal hydatid disease include rupture, fistula<br />
formation, hemorrhage, and anaphylactic shock. 2,7<br />
Differential diagnosis <strong>of</strong> an adrenal cyst include endo<strong>the</strong>lial cyst,<br />
pseudocyst, cystic neoplasms such as lymphangioma, post-traumatic<br />
cyst, cystic pheochromocytoma, abscess, and o<strong>the</strong>r congenital<br />
or acquired cysts. 2,4<br />
Conclusion<br />
Primary adrenal hydatid cyst and arterial hypertension<br />
Primary hydatid cyst <strong>of</strong> <strong>the</strong> adrenal gland is a rare disease that<br />
may mimic many adrenal lesions, <strong>the</strong>refore it should be considered<br />
in <strong>the</strong> differential diagnosis <strong>of</strong> all adrenal cysts, particularly<br />
in endemic areas. This can be rarely accompanied by arterial hypertension<br />
as well as adrenal pheochromocytoma.Although imaging<br />
studies assist with diagnosis, however <strong>the</strong> exact nature <strong>of</strong> <strong>the</strong><br />
adrenal hydatid cyst requires histologic examination.<br />
Archives <strong>of</strong> Iranian Medicine, Volume 15, Number 5, May 2012 329
References<br />
(A) (B)<br />
Figures 3A,B. Fibrosed, calcified cyst wall with remnants <strong>of</strong> <strong>the</strong> adrenal cortex. H & E 100x, 400x.<br />
1. Yuskel M, Demirplat G, Sever A, Bakris S, Bulbuloglu E, Elmas<br />
N.Hydatiddisease involving some rare locations in <strong>the</strong> body: Apictorial<br />
essay. Korean J Radiol. 2007; 8: 531 – 540.<br />
2. Sallami S, Ben Rhouma S, Horanchi A. Primary adrenal hydatid cyst:<br />
A case report. Ibnosina J Med BS. 2010; 2(1): 38 – 41.<br />
3. Abdulmajed M, Resorlu B, Kara C, Turkolmez K. Isolated primary hydatidcyst<br />
<strong>of</strong> adrenal gland: A case report. Turkish Journal <strong>of</strong> Urology.<br />
2010; 36(2): 211 – 215.<br />
4. Dionigi G, Carrafiello G, Recaldini C, Sessa F, Boni L, Rovera F, et al.<br />
Laparoscopic resection <strong>of</strong> a primary hydatidcyst <strong>of</strong> <strong>the</strong> adrenal gland:<br />
A case report. J Med Case Reports. 2007; 1: 61 .<br />
5. Nouria Y, Benyounes A, Kbaier I, Attyaoui F, Horanchi A. Adrenal<br />
330 Archives <strong>of</strong> Iranian Medicine, Volume 15, Number 5, May 2012<br />
Figure3C. Hooklet <strong>of</strong> echinococcus granulosus.H & E, oil immersion.<br />
M. Mokhtari, S. Zeraatian Nejad Davani<br />
hydatid cyst presenting as a phaeochromocytoma. BJU <strong>In</strong>ternational.<br />
2000; 86(6): 754.<br />
6. Escudero M, Sabater L, Calavete J, Camps B, Labios M, Liedo S. Arterial<br />
hypertension due to primary adrenal hydatid cyst. Surgery. 2002;<br />
132(5): 894 – 895.<br />
7. Ozarmagan S, Erbil Y, Barbaros U, Salmaslioglu A, Bozbora A. Primary<br />
hydatid disease in <strong>the</strong> adrenal gland: A case report. Braz J <strong>In</strong>fect<br />
Dis2006; 10 (5): 362 – 363.<br />
8. Gurbuz R, Guven S, Klinc M, AbasiyanikF, Gokce G, Peskin M. Primary<br />
hydatid cyst in adrenal gland: A case report. <strong>In</strong>t Urol Nephrol.<br />
2005; 37: 21 – 23.<br />
9. Safioleas MC, Moulakakis KG, Kostaksis A. Coexistence <strong>of</strong> primary<br />
adrenal hydatid cyst and arterial hypertension: Reports <strong>of</strong> a case and<br />
review <strong>of</strong> <strong>the</strong> literature. Acta Chir Belg. 2006; 106: 719 – 721.
Case Report<br />
Primary <strong>In</strong>trathoracic Biphasic Synovial Sarcoma<br />
Yilmaz Tezcan MD• 1 , Mehmet Koc MD 1 , Husnu Kocak MD 2 , Yusuf Kaya MD 2<br />
Abstract<br />
Synovial sarcomas are most frequently observed in <strong>the</strong> extremities. Although synovial sarcomas are <strong>the</strong> third most common histological<br />
type <strong>of</strong> s<strong>of</strong>t-tissue sarcomas <strong>of</strong> <strong>the</strong> extremities, primary mediastinal synovial sarcoma is extremely rare. Monophasic synovial sarcoma is <strong>the</strong><br />
most commonly observed subtype. whereas <strong>the</strong> biphasic subtype is less common. We present our case which was diagnosed as biphasic<br />
synovial sarcoma located in <strong>the</strong> anterior mediastinum, which is considered to be a rare entity. The patient underwent surgical resection toge<strong>the</strong>r<br />
with multimodal adjuvant radio<strong>the</strong>rapy and chemo<strong>the</strong>rapy.<br />
Keywords: Chemo<strong>the</strong>rapy, prognosis, radio<strong>the</strong>rapy, synovial sarcoma<br />
Cite this article as: Tezcan Y, Koc M, Kocak H, Kaya Y. Primary <strong>In</strong>trathoracic Biphasic Synovial Sarcoma. Arch Iran Med. 2012; 15(5): 331 – 332.<br />
Case Report<br />
Our case was a 38-year-old married female who presented with<br />
complaints <strong>of</strong> cough, dyspnea, pain, and fatigue for 2 – 3 months.<br />
PA chest radiography revealed a mass in <strong>the</strong> anterior and left side<br />
mediastinum (Figure 1). A subsequent CT scan <strong>of</strong> <strong>the</strong> thorax<br />
showed a s<strong>of</strong>t tissue mass, 13 – 14 cm in diameter, in <strong>the</strong> anterior<br />
and left side mediastinum (Figure 2). The same mass was verified<br />
by an MRI <strong>of</strong> <strong>the</strong> thorax (Figure 3). Following routine examinations,<br />
<strong>the</strong> patient underwent a left thoracotomy with complete excision<br />
<strong>of</strong> <strong>the</strong> mediastinal mass.<br />
The surgical procedure was as follows: <strong>the</strong> patient was placed<br />
on her right side with one arm raised. An incision was made on<br />
<strong>the</strong> skin <strong>of</strong> <strong>the</strong> rib cage. Muscle layers were cut and a rib removed<br />
to gain access to <strong>the</strong> cavity. Retractors were used to hold <strong>the</strong> ribs<br />
apart, exposing <strong>the</strong> tumor. The tumor and capsule were removed<br />
intact after which <strong>the</strong> layers <strong>of</strong> <strong>the</strong> skin, muscle, and o<strong>the</strong>r tissues<br />
were closed with stitches and staples. Next, <strong>the</strong> chest wall was<br />
closed. The left thoracotomy procedure was completed without<br />
complication.<br />
The pathology specimen consisted <strong>of</strong> a tumor that resembled<br />
encapsulated grey-white s<strong>of</strong>t tissue, which macroscopically measured<br />
13×12×8 cm. There were groups <strong>of</strong> cells that had oval nuclei,<br />
fusiform cytoplasm, and malignant tumor that consisted <strong>of</strong><br />
solid masses <strong>of</strong> epi<strong>the</strong>lioid cells with wide eosinophilic cytoplasms<br />
and oval, pleomorphic nucleus . Focal necrosis was present in <strong>the</strong><br />
tumor and mitotic activity was found to be 2/10 BBA. Tumor cells<br />
stained positive in solid epi<strong>the</strong>lioid areas with cytokeratin; focal<br />
staining was observed with S100, CD99, and cytokeratin 7. Based<br />
on histomorphological and immunohistochemical findings, <strong>the</strong><br />
case was diagnosed as biphasic synovial sarcoma. According to<br />
postoperative TNM staging, this case was staged as T2bN0M0.<br />
Authors’ Affiliations: 1 Selcuk University, Meram Faculty <strong>of</strong> Medicine, Department<br />
<strong>of</strong> Radiation Oncology, Konya, Turkey, 2 Mersin State Hospital, Department<br />
<strong>of</strong> Thoracic Surgery, Mersin, Turkey.<br />
•Corresponding author and reprints: Yilmaz Tezcan MD, Selcuk University,<br />
Meram Faculty <strong>of</strong> Medicine, Department <strong>of</strong> Radiation Oncology , 42090-Konya,<br />
Turkey. Tel: 0332-2236942 , Fax: 0332-2236182,<br />
E-mail: yilmaztezcan@yahoo.com.<br />
Accepted for publication: 16 November 2011<br />
Adjuvant radio<strong>the</strong>rapy was planned for <strong>the</strong> patient due to close<br />
surgical margins, young age, and tumor size (13 cm). A total <strong>of</strong> 66<br />
Gy adjuvant radio<strong>the</strong>rapy was applied to <strong>the</strong> primary tumor and<br />
consisted <strong>of</strong> an initial 50 Gy (Phase I) dose with a boost <strong>of</strong> 16 Gy<br />
(Phase II), followed by adjuvant chemo<strong>the</strong>rapy with 4 cycles <strong>of</strong> ifosfamide<br />
and adriablastin. The treatments were well tolerated and<br />
<strong>the</strong> patient was observed each 3 months for follow up visits. A thorax<br />
CT performed 6 months after treatment end did not reveal any<br />
pathological findings (Figure 4). After approximately 36 months (3<br />
years), <strong>the</strong> patient was lost due to disease progression.<br />
Discussion<br />
Primary <strong>In</strong>trathoracic Synovial Sarcoma<br />
Primary mediastinal synovial sarcomas are extremely rare in<br />
<strong>the</strong> thorax and lungs. Primary pulmonary sarcomas account for <<br />
0.5% <strong>of</strong> lung cancers. 1 However, an increase has been observed in<br />
<strong>the</strong>se tumors in recent years. 2 Leiomyosarcomas, fibrosarcomas,<br />
and hemangiopericytomas are <strong>the</strong> most common types <strong>of</strong> primary<br />
pulmonary sarcomas. 3 Primary pulmonary and mediastinal synovial<br />
sarcomas are more aggressive than s<strong>of</strong>t tissue synovial sarcomas.<br />
While biphasic synovial sarcomas arise in <strong>the</strong> pleural cavity, 4<br />
most are localized within <strong>the</strong> pulmonary parenchyma 5 and rarely<br />
extend into <strong>the</strong> bronchial structures. 6 Mediastinal lymphadenopathy<br />
is rare. 7<br />
Synovial sarcomas are histologically classified into four types:<br />
biphasic, monophasic fibrous, monophasic epi<strong>the</strong>lial, and poorly<br />
differentiated. Monophasic synovial sarcoma is <strong>the</strong> most commonly<br />
observed subtype, and studies show that epi<strong>the</strong>lial components<br />
<strong>of</strong> biphasic tumors are surrounded by pneumocytes. Direct chest<br />
radiography is used primarily for diagnosis where <strong>the</strong> lesion presents<br />
a typically uniform view with well-circumscribed rounded or<br />
lobulated borders. 7–8 Some patients have mediastinal shift. Bilateral<br />
pleural effusion is common. CT scan is more sensitive than<br />
chest radiography for detecting calcified tumor matrix and cortical<br />
destruction. 9 These tumors are less vascular and MRI imaging<br />
presents three findings (clear, dark, and grey) that reflect tumor,<br />
hemorrhage, and necrosis. 10 Clinically, patients may show varied<br />
symptoms such as cough, dyspnea, chest pain, and fatigue depending<br />
on <strong>the</strong> size and extent <strong>of</strong> <strong>the</strong> mass.<br />
Archives <strong>of</strong> Iranian Medicine, Volume 15, Number 5, May 2012 331
Figure 1. PA chest radiography prior to treatment.<br />
332 Archives <strong>of</strong> Iranian Medicine, Volume 15, Number 5, May 2012<br />
Figure 2. CT scan <strong>of</strong> <strong>the</strong> thorax prior to treatment.<br />
Y. Tezcan, M. Koc, H. Kocak, et al.<br />
Figure 3. Thorax MRI prior to treatment. Figure 4. Thorax CT scan performed 6 months after <strong>the</strong> treatments<br />
CT-guided needle biopsy is adequate for diagnosis. Prognosis is<br />
related to <strong>the</strong> phase <strong>of</strong> <strong>the</strong> disease, and is generally poor. The fiveyear<br />
survival rate is between 36 – 76%. 3<br />
Tumor size (≥ 9 cm), male patients, over <strong>the</strong> age <strong>of</strong> 20 years, <strong>the</strong><br />
presence <strong>of</strong> extensive tumor necrosis, high grade, large number <strong>of</strong><br />
mitosis (> 9 – 10), neurovascular invasion, and in recent years, <strong>the</strong><br />
presence <strong>of</strong> <strong>the</strong> SYT-SSX1 variant can be listed as poor prognostic<br />
factors. 11 Complete resection is mentioned as <strong>the</strong> most significant<br />
prognostic factor in a meta-analysis. This meta-analysis has shown<br />
that <strong>the</strong> application <strong>of</strong> adjuvant radio<strong>the</strong>rapy and adjuvant chemo<strong>the</strong>rapy<br />
following complete surgical resection prolongs <strong>the</strong> time <strong>of</strong><br />
local recurrence and survival without recurrence, and accordingly<br />
causes an increase in total survival rate. 12,13<br />
Synovial sarcomas are tumors which have moderate chemosensitivity,<br />
with about 50% response rates to regimens containing ifosfamide<br />
and doxorubicin. 14 Radio<strong>the</strong>rapy is recommended in cases<br />
with positive margins. 15<br />
<strong>In</strong> summary, we have presented a rare case <strong>of</strong> biphasic synovial<br />
sarcoma located in <strong>the</strong> anterior mediastinum. <strong>In</strong> <strong>the</strong>se rarely observed<br />
cases, survival can be increased through complete resection<br />
and aggressive multimodal treatments.<br />
References<br />
1. Travis WD, Travis LB, Devesa SS. Lung cancer. Cancer. 1995; 75:<br />
191 – 202.<br />
2. Roberts CA, Seemayer TA, Neff JR, Alonso A, Nelson M, Bridge JA.<br />
Translocation (X; 18) in primary synovial sarcoma <strong>of</strong> <strong>the</strong> lung. Cancer<br />
Genet Cytogenet. 1996; 88: 49 – 52.<br />
3. Etienne-Mastroianni B, Falchero L, Chalabreysse L, Loire R, Ranchere<br />
D, Souquet PJ, et al. Primary sarcomas <strong>of</strong> <strong>the</strong> lung: A clinicopathologic<br />
study <strong>of</strong> 12 cases. Lung Cancer. 2002; 38: 283 – 289.<br />
4. Gaertner E, Zeren EH, Fleming MV, Colbay TV, Travis WD. Biphasic<br />
synovial sarcomas arising in <strong>the</strong> pleural cavity. A clinicopathologic<br />
study <strong>of</strong> five cases. Am J Surg Pathol. 1996; 20: 36 – 45.<br />
5. Zeren H, Moran CA, Suster S, Fishback NF, Koss MN. Primary pulmonary<br />
sarcomas with features <strong>of</strong> monophasic synovial sarcoma: A<br />
clinicopathological, immunohistochemical, and ultrastructural study <strong>of</strong><br />
25 cases. Hum Pathol. 1995; 26: 474 – 480.<br />
6. Essary LR, Vargas SO, Fletcher CD. Primary pleuropulmonary synovial<br />
sarcoma: Reappraisal <strong>of</strong> a recently described anatomic subset.<br />
Cancer. 2002; 94: 459 – 469.<br />
7. Duran Mendicuti A, Costello P, Vargas SO. Primary synovial sarcoma<br />
<strong>of</strong> <strong>the</strong> chest: Radiographic and clinicopathologic correlation. J Thorac<br />
Imaging. 2003; 18: 87 – 93.<br />
8. Zaring RA, Roepke JE. Pathologic quiz case. Pulmonary mass in a<br />
patient presenting with a hemothorax. Diagnosis: Primary pulmonary<br />
biphasic synovial sarcoma. Arch Pathol Lab Med. 1999; 123: 1287 –<br />
1289.<br />
9. Tateishi U, Gladish GW, Kusumoto M, Hasegawa T, Yokoyama R,<br />
Moriyama N. Chest wall tumors: Radiologic findings and pathologic<br />
correlation: Part 2. Malignant tumors. Radiographics. 2003; 23: 1491<br />
– 1508.<br />
10. Frazier AA, Franks TJ, Pugatch RD, Galvin JR. From <strong>the</strong> archives <strong>of</strong><br />
<strong>the</strong> AFIP: Pleuropulmonary synovial sarcoma. Radiographics. 2006;<br />
26: 923 – 940.<br />
11. Trassard M, Le Doussal V, Hacène K, Terrier P, Ranchère D, Guillou L,<br />
et al. Prognostic factors in localized primary synovial sarcoma: A multicenter<br />
study <strong>of</strong> 128 adult patients. J Clin Oncol. 2001; 19: 525 – 534.<br />
12. Dennison S, Weppler E, Giacoppe G. Primary pulmonary synovial sarcoma:<br />
A case report and review <strong>of</strong> current diagnostic and <strong>the</strong>rapeutic<br />
standards. Oncologist. 2004; 9: 339 – 342.<br />
13. Mankin HJ, Hornicek FJ. Diagnosis, classification, and management <strong>of</strong><br />
s<strong>of</strong>t tissue sarcomas. Cancer Control. 2005; 12: 5 – 21.<br />
14. Albritton KH, Randall RL. Prospects for targeted <strong>the</strong>rapy <strong>of</strong> synovial<br />
sarcoma. J Pediatr Hematol Oncol. 2005; 27: 219 – 222.<br />
15. Al-Rajhi N, Husain S, Coupland R, Mc<strong>Name</strong>e C, Jha N. Primary pericardial<br />
synovial sarcoma: A case report and literature review. J Surg<br />
Oncol. 1999; 70: 194 – 198.
A 63-year-old female was admitted with complaints <strong>of</strong> pain in<br />
<strong>the</strong> lower abdominal quadrants. Her past medical history was significant<br />
for gangrenous small bowel resected 2 months prior to ad-<br />
Photoclinic<br />
Cite this article as: Jarmakani MF, Mohebbi MR. Photoclinic. Arch Iran Med. 2012; 15(5): 333 – 334.<br />
Morwan F. Jarmakani MD 1 , Mohammad R. Mohebbi MD• 2<br />
Authors’ affiliations: 1 Department <strong>of</strong> Rediology, Mercy Medical center, 2 Siouxland<br />
Medical Education Foundation-University <strong>of</strong> Iowa.<br />
•Corresponding author and reprints: Mohammad R. Mohebbi MD, Siouxland<br />
Medical Education Foundation-University <strong>of</strong> Iowa, 2501 Pierce Street, Sioux<br />
City, Iowa, 51104, USA. Tel: +1-712-294-5000, Fax: +1712-294-5092,<br />
E-mail: mohammad-mohebbi@uiowa.edu.<br />
Accepted for publication: 16 November 2011<br />
Figure 1. Hepatic portal venous gas (arrowheads).<br />
Figure 2. Air in <strong>the</strong> s<strong>of</strong>t tissue around <strong>the</strong> sigmoid colon and rectum (arrows) consistent with<br />
pneumatosis intestinalis.<br />
mission, diabetes mellitus, chronic obstructive pulmonary disease,<br />
rheumatoid arthritis, coronary artery disease, and hypercholesterolemia.<br />
Laboratory results included a wbc count <strong>of</strong> 28150/mm 3<br />
with a significant left shift, Hgb <strong>of</strong> 9.6, BUN <strong>of</strong> 23 and Cr <strong>of</strong> 1.6.<br />
Abdominal CT scan showed evidence <strong>of</strong> air in <strong>the</strong> portal system<br />
and liver (Figure 1, arrowheads).<br />
What is your diagnosis?<br />
See <strong>the</strong> next page<br />
Photoclinic<br />
Archives <strong>of</strong> Iranian Medicine, Volume 15, Number 5, May 2012 333
Photoclinic Diagnosis: Hepatic Portal Venous Gas in a Case <strong>of</strong> Ischemic Necrotic Colon<br />
Abdominal CT scan showed evidence <strong>of</strong> air in <strong>the</strong> s<strong>of</strong>t tissue<br />
around <strong>the</strong> sigmoid colon and rectum (Figure 2, arrows) consistent<br />
with pneumatosis intestinalis. The patient underwent resection <strong>of</strong><br />
<strong>the</strong> sigmoid colon which confirmed an ischemic, necrotic bowel.<br />
Air in <strong>the</strong> liver can be ei<strong>the</strong>r in <strong>the</strong> portal venous system or <strong>the</strong><br />
hepatobiliary tree. The appearance <strong>of</strong> gas in <strong>the</strong> portal venous system<br />
in adults is usually a sign <strong>of</strong> lethal conditions such as intestinal<br />
infarction. It has been described in association with a variety <strong>of</strong><br />
pathologic conditions that include intestinal ischemia and necrosis<br />
(75%), ulcerative colitis (8%), and intra-abdominal abscess (6%). 1,2<br />
Patients with hepatic portal venous gas have an overall survival<br />
rate <strong>of</strong> less than 25%. 2 Portal venous gas has also been observed<br />
following endoscopic retrograde cholangiopancreatography and<br />
endoscopic sphincterotomy with a subsequent uneventful course. 3<br />
Gas in <strong>the</strong> portal venous system is carried by <strong>the</strong> centrifugal flow<br />
<strong>of</strong> blood in <strong>the</strong> periphery <strong>of</strong> <strong>the</strong> liver, appearing to extend to within<br />
2 cm <strong>of</strong> <strong>the</strong> hepatic capsule. <strong>In</strong>versely, gas in <strong>the</strong> biliary tract moves<br />
334 Archives <strong>of</strong> Iranian Medicine, Volume 15, Number 5, May 2012<br />
with <strong>the</strong> centripetal flow <strong>of</strong> bile, thus appearing more centrally in<br />
<strong>the</strong> liver. 1 <strong>In</strong> our case, we believe that <strong>the</strong> gas in <strong>the</strong> portal vein<br />
was due to <strong>the</strong> ischemia and necrosis <strong>of</strong> <strong>the</strong> sigmoid colon with resultant<br />
mucosal damage and pneumatosis intestinalis. A repeat CT<br />
scan <strong>of</strong> <strong>the</strong> abdomen 2 weeks after resection <strong>of</strong> <strong>the</strong> necrotic colon<br />
did not show evidence <strong>of</strong> air in <strong>the</strong> portal system.<br />
References<br />
M.F. Jarmakani, M. R. Mohebbi<br />
1. Peloponissios N, Halkic N, Pugnale M, Jornod P, Nordback P, Meyer<br />
A, et al. Hepatic portal gas in adults: Review <strong>of</strong> <strong>the</strong> literature and presentation<br />
<strong>of</strong> a consecutive series <strong>of</strong> 11 cases. Arch Surg. 2003; 138:<br />
1367 – 1370.<br />
2. Liebman PR, Patten MT, Manny J, Benfield JR, Hechtman HB. Hepatic<br />
portal venous gas in adults: Etiology, pathophysiology, and clinical<br />
significance. Ann Surg. 1978; 187: 281 – 287.<br />
3. Simmons TC. Hepatic portal venous gas due to endoscopic sphincterotomy.<br />
Am J Gastroenterol. 1988; 83: 326.
Excerpts from Persian Medical Literature<br />
Excerpts from Persian Medical Literature<br />
<strong>In</strong>vestigation <strong>of</strong> Periodontal Conditions in Patients with Rheumatoid Arthritis<br />
Periodontal disease with alveolar bone resorption and tooth loss is common in rheumatoid arthritis (RA). RA subjects show inadequate<br />
plaque control due to physical disabilities as well as a compromised immune response, both <strong>of</strong> which might result in a greater predisposition<br />
to periodontal disease in <strong>the</strong>se subjects compared to <strong>the</strong> normal population. This study aims to evaluate <strong>the</strong> prevalence <strong>of</strong> periodontal<br />
disease among RA patients.<br />
Periodontal status (plaque, index, papillary bleeding index, and missing teeth) was examined in 70 individuals that included 35 patients<br />
with active RA and 35 healthy individuals as <strong>the</strong> control group. The results were analyzed using SPSS s<strong>of</strong>tware and student’st-test.<br />
Patients with RAcomprised 31 females (88.6%) and 4 males (11.4%) with a mean age <strong>of</strong> 45 years. The healthy control group included<br />
26 females (74.3%) and 9 males (25.7%) with a mean age <strong>of</strong> 37 years. Patients with RA showed significant increases in plaque index<br />
(P=0.0001), papillary bleeding index (P=0.002),and number <strong>of</strong> missing teeth (P=0.03) compared to <strong>the</strong> control group. Three patients<br />
also had secondary Jorgen’ssyndrome.<br />
Patients with RA had more periodontal disorders compared to <strong>the</strong> control group. The effects <strong>of</strong> this chronic inflammatory disease and<br />
immune host deficiency could be attributed to <strong>the</strong> presence <strong>of</strong> a physical disability which precludes <strong>the</strong> maintenance <strong>of</strong> oral health and<br />
<strong>the</strong> gingival effects <strong>of</strong> anti-rheumatic medications.<br />
Authors:Taheri M, Saghafi M,Najafi MH,Radvar M, Marjani S, Javanbakht A, Baghani Z.<br />
Source: J Mash Dent Sch.2011; 35(4): 283 – 288.<br />
Effects <strong>of</strong> Stress Management Training on Glycemic Control in Women with Type 2 Diabetes<br />
Diabetes is a complicated disease which <strong>of</strong>ten leads to a number <strong>of</strong> psychological disorders such as stress, anxiety, and depression.<br />
Complete treatment <strong>of</strong> this disease requires psychological assessment and cognitive behavioral <strong>the</strong>rapy. The purpose <strong>of</strong> this research is<br />
to study <strong>the</strong> effects <strong>of</strong> stress management training on glycemic control, stress, depression, and anxiety in women with type 2diabetes.<br />
The study population consisted <strong>of</strong> 46 type 2 diabetic women, aged 32–65 years, matched for age and additional criteria considered in<br />
this research. Subjects were randomly divided into two groups, experimental (n=23) and control (n=23). We assessed depression, anxiety,<br />
and stress by <strong>the</strong> DASS scale. HbA1c levels for all patients were measured prior to intervention. The experimental group underwent 12<br />
sessions <strong>of</strong> stress management based on <strong>the</strong> cognitive-behavior method, which was conductedfor 2 hours each week, after which patients<br />
were again assessed for DASS and HbA1c, and after 6 months as <strong>the</strong> follow up period in both groups.<br />
There was a significant difference between experimental and control groups in HbA1c levels. The rate <strong>of</strong> HbA1c in <strong>the</strong> experimental<br />
group significantly decreased compared to controls (P
336<br />
Archives <strong>of</strong> Iranian Medicine, Volume 15, Number 5, May 2012