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Anorectal Manometry in 3D NEW! - Swiss-knife.org

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28.3<br />

Bilateral total extraperitoneal <strong>in</strong>gu<strong>in</strong>al hernia repair (TEP) has similar outcomes compared to unilateral<br />

TEP: population-based analysis of prospective data of 6’505 patients<br />

J.-M. Gass 1 , L. Rosella 2 , D. Cand<strong>in</strong>as 1 , U. Güller 1 ( 1 Berne, 2 Toronto/CDN)<br />

Objective: The use of total extraperitoneal <strong>in</strong>gu<strong>in</strong>al hernia reapir (TEP) has become <strong>in</strong>creas<strong>in</strong>gly popular<br />

over the past decade. Whether bilateral TEP is associated with worse outcomes compared to unilateral<br />

TEP cont<strong>in</strong>ues to be a matter of great debate. The objective of the present analysis is to compare<br />

outcomes between large cohorts of patients undergo<strong>in</strong>g unilateral TEP versus bilateral TEP.<br />

Methods: Based on prospective data of the <strong>Swiss</strong> Association of Laparoscopic and Thoracoscopic<br />

Surgery (SALTC), all patients undergo<strong>in</strong>g elective unilateral or bilateral TEP for <strong>in</strong>gu<strong>in</strong>al hernia from<br />

1995-2006 were <strong>in</strong>cluded. The follow<strong>in</strong>g outcomes were compared: Conversion rates, <strong>in</strong>tra-operative<br />

complications, surgical post-operative complications, general post-operative complications, duration<br />

of operation and length of hospital stay. Unadjusted and risk-adjusted multivariable analyses were<br />

performed.<br />

Results: Data on 6’505 patients undergo<strong>in</strong>g unilateral (n=3’457) and bilateral (n=3’048) TEP for <strong>in</strong>gu<strong>in</strong>al<br />

hernia were prospectively collected. Average age, BMI, and ASA were similar <strong>in</strong> both groups.<br />

Patients undergo<strong>in</strong>g bilateral TEP had a slightly <strong>in</strong>creased rate of <strong>in</strong>traoperative complications (bilateral:<br />

5.48%, unilateral: 3.91%, p=0.003) and surgical postoperative complications (bilateral: 3.15%,<br />

unilateral: 2.26%, p=0.026). Operation time was longer for bilateral TEP (86 m<strong>in</strong>utes bilateral vs. 67<br />

unilateral, p< 0.001). There were no differences between the two groups regard<strong>in</strong>g postoperative<br />

length of hospital stay, general postoperative complications, and conversion rates .<br />

Conclusion: This is the first population-based analysis <strong>in</strong> the literature compar<strong>in</strong>g different outcomes<br />

<strong>in</strong> a prospective cohort of over 6’500 patients undergo<strong>in</strong>g bilateral vs. unilateral TEP. Although <strong>in</strong>traoperative<br />

complications and surgical postoperative complications were significantly higher <strong>in</strong> patients<br />

undergo<strong>in</strong>g bilateral TEP (due to large sample size and high power), the absolute differences were<br />

small and of m<strong>in</strong>or cl<strong>in</strong>ical relevance. Bilateral TEP is associated with a m<strong>in</strong>imal <strong>in</strong>crease <strong>in</strong> operat<strong>in</strong>g<br />

time and similar length of hospital stay, general postoperative complications, and conversion rates<br />

compared to unilateral TEP. In patients with bilateral <strong>in</strong>gu<strong>in</strong>al hernia, an endoscopic approach represents<br />

an excellent therapeutic approach, which can be performed with similar outcomes compared to<br />

a unilateral endoscopic hernia repair.<br />

28.4<br />

Prophylactic VAC ® system application may prevent wound <strong>in</strong>fection and <strong>in</strong>cisional hernia formation<br />

after laparotomy for peritonitis<br />

T. Ursprung, A. Meyer, A. Andrès, J.-M. Michel, B. Egger (Fribourg)<br />

Objective: Acute bacterial peritonitis are life threaten<strong>in</strong>g affections requir<strong>in</strong>g urgent surgical management.<br />

There is ongo<strong>in</strong>g worldwide debate whether the sk<strong>in</strong> should be closed or left open after such<br />

<strong>in</strong>terventions. Everybody agrees that, <strong>in</strong> cases of wound <strong>in</strong>fections, the consequences for the patient<br />

(prolonged hospital stay, reoperation, readmission, <strong>in</strong>cisional hernia) are important. We present here<br />

our experience with a pilot study of prophylactic application of the Vacuum Assisted Closure ® Therapy<br />

system (VAC ® system; KCI, San Antonio, Texas) <strong>in</strong> patients operated on for bacterial peritonitis.<br />

Methods: We analyzed prospectively 68 consecutive patients between July 2007 and October 2009,<br />

who underwent emergency laparotomy for bacterial peritonitis. 2 groups have been selected: group A<br />

with direct closure of the sk<strong>in</strong> after lavage and group B with <strong>in</strong>itial application of the VAC ® system and<br />

delayed sk<strong>in</strong> closure after 4-8 days. The selection of the patients <strong>in</strong>to the groups was surgeon related<br />

s<strong>in</strong>ce 2 of 10 surgeons selected all their patients <strong>in</strong>to group B. All patient’s data were recorded <strong>in</strong> a<br />

prospective database. End-po<strong>in</strong>t of this pilot study was the development of <strong>in</strong>cisional hernias. All the<br />

patients underwent follow-up on a outpatient‘s base.<br />

Results: Sixteen (18%) out of 49 patients <strong>in</strong> group A died dur<strong>in</strong>g the first days after the operation for<br />

septic reasons. Four (21%) out of 19 patients <strong>in</strong> group B died. All these patients were excluded from the<br />

study. The mean follow-up for all others was 12.5 months (2-29 months). 7 (21%) out of 33 survivors<br />

<strong>in</strong> group A developed wound <strong>in</strong>fections (re-open<strong>in</strong>g of the sk<strong>in</strong> and secondary VAC ® system application)<br />

and 7 an <strong>in</strong>cisional hernia (21%). One (6%) out of 15 survivors <strong>in</strong> group B developed an <strong>in</strong>cisional<br />

hernia and no wound <strong>in</strong>fection was observed after delayed sk<strong>in</strong> closure.<br />

Conclusion: The results of this pilot study demonstrates that direct application of a VAC ® system after<br />

laparotomy for peritonitis with delayed sk<strong>in</strong> closure is feasible. Although the difference of <strong>in</strong>cisional<br />

hernia development (A:7/33 vs. B:1/19) is not statistically different (p=0,179; Mann Whitney-U test;<br />

SPSS, Zürich, Switzerland), there seems to be a trend towards less <strong>in</strong>cisional hernia formation <strong>in</strong> Group<br />

B. Based on these data we are design<strong>in</strong>g now a prospective randomized trial evaluat<strong>in</strong>g development<br />

of <strong>in</strong>cisional hernias and other endpo<strong>in</strong>ts.<br />

28.5<br />

Dialyse péritonéale (DP) immédiate après pose de cathéter de DP et/ou cure de hernie abdom<strong>in</strong>ale.<br />

Peut-on se passer d’une hémodialyse transitoire?<br />

R. Chautems, V. Re<strong>in</strong>mann, J.-P. Barras (Solothurn)<br />

Objective: Af<strong>in</strong> d’éviter le recours à une hémodialyse transitoire, un protocole associant une étanchéité<br />

primaire du site opératoire et une dialyse péritonéale (DP) adaptée (volumes de dialysat réduits, DP<br />

plus fréquente) immédiate après pose de cathéter de DP et/ou cure de hernie abdom<strong>in</strong>ale (<strong>in</strong>gu<strong>in</strong>ale,<br />

ombilicale) chez des patients déjà en DP, a été évalué.<br />

Methods: Entre mai 2003 et novembre 2009, 29 patients <strong>in</strong>suffisants rénaux ont eu une pose de<br />

cathéter de DP et/ou une cure de hernie abdom<strong>in</strong>ale. Chez 12 d’entre eux (1 femme, 11 hommes, Age<br />

39-81 {moy.: 64.4}), en raison d’une <strong>in</strong>dication à une dialyse urgente, une DP a été débutée dans les<br />

48 heures suivant l’opération. Chez 6 de ces patients la DP a eu lieu après pose du cathéter, chez 7<br />

d’entre eux après cure de hernie et chez un patient après pose de cathéter et cure de hernie synchrone.<br />

L’étanchéité du site opératoire est testée durant l’opération et la DP est effectuée avec des volumes de<br />

24 swiss <strong>knife</strong> 2010; 7: special edition<br />

dialysat réduits sur un mode plus fréquent (1000 ml., 6 x / jour).<br />

Results: Chez les 12 patients, une DP immédiate a pu être débutée dans les 48 heures. Chez 11 patients<br />

il n’y eu aucune fuite de dialysat de la plaie opératoire. Chez le douzième, une fuite a été suspectée<br />

et <strong>in</strong>firmée lors de la révision chirurgicale du cathéter au 5ème jour postopératoire. Il y eu un<br />

saignement cutané au po<strong>in</strong>t de sortie du cathéter de DP nécessitant une hémostase locale.<br />

Conclusion: Grâce à un concept associant une étanchéité primaire lors de la pose de cathéter de DP<br />

et / ou de la cure de hernie et un protocole de DP postopératoire adapté, une hémodialyse transitoire<br />

et la morbidité potentielle qui y est liée, peut être évitée.<br />

28.6<br />

Mesh implantation for the complicated closure of the abdomen is safe and feasible<br />

M. Scholtes, G. Beldi, A. Kurmann, C. A. Seiler, D. Cand<strong>in</strong>as (Berne)<br />

Objective: Complicated closure of the abdom<strong>in</strong>al wall <strong>in</strong>clude primary or secondary laparostomy or<br />

secondary dehiscence of the sutured fascia. These situations are associated with significant early and<br />

late postoperative morbidity and mortality. Implantation of modern dual layered meshes represent a<br />

new therapeutic tool <strong>in</strong> such situations. The aim of this study was to compare the outcome after surgical<br />

treatment of the complicated closure of the abdomen with versus without mesh implantation.<br />

Methods: A total of 99 patients were <strong>in</strong>cluded <strong>in</strong> a case series with complicated abdom<strong>in</strong>al wounds<br />

who were treated <strong>in</strong> a s<strong>in</strong>gle <strong>in</strong>stitution between 2002 and 2009. S<strong>in</strong>ce 2005 dual layered meshes<br />

were implanted <strong>in</strong>traperitoneally <strong>in</strong> patients with laparostomy or secondary dehiscence of the abdom<strong>in</strong>al<br />

closure. Intraabdom<strong>in</strong>al <strong>in</strong>fection was not a contra<strong>in</strong>dication for mesh implantation. We compare<br />

50 patients treated with mesh implantation with 49 patients treated without a mesh. Average follow-up<br />

for patients with mesh are 9 months (1-47), for patients without mesh 17 (2-83) months.<br />

Results: Cohort A: 26 patients present<strong>in</strong>g with laparostomy: meshes were implanted <strong>in</strong> 16 patients<br />

(61.5%). Patients with mesh exhibited a shorter stay on the <strong>in</strong>tensive care unit (median 4 days with<br />

mesh vs. 7 days without mesh), similar duration of hospitalization (55 vs. 52 days), lower <strong>in</strong>cidence of<br />

fistula (2 vs. 4 patients), and comparable mortality rate (44% vs. 50%). Cohort B: 73 patients present<strong>in</strong>g<br />

with postoperative fascial dehiscence: meshes were implanted <strong>in</strong> 34 patients (46.6%). Patients<br />

with mesh exhibited a lower <strong>in</strong>cidence of superficial surgical site <strong>in</strong>fection (with mesh 6 (18%) vs.<br />

11 (28%) patients without mesh) and lower <strong>in</strong>cidence of postoperative hernia (3 (9%) vs. 7 (18%)<br />

patients). No difference was found for mortality rate (4 (12%) vs. 6 (15%)), duration of hospitalization<br />

(36 vs. 38 days), and <strong>in</strong>cidence of fistula (3 (9%) vs. 5 (13%)).<br />

Conclusion: Intraperitoneal mesh implantation for complicated and potentially contam<strong>in</strong>ated abdom<strong>in</strong>al<br />

wall closure is safe and not associated with additional morbidity <strong>in</strong> response to mesh <strong>in</strong>fection.<br />

28.7<br />

MINI-IPOM: Mono-INzisionale-Ingu<strong>in</strong>ale Intra-Peritoneale-Onlay-Mesh Technik für Ingu<strong>in</strong>alhernien<br />

W. Schweizer 1,2,3 , H. Marlovits 1 ( 1 Schaffhausen, 2 Zürich, 3 W<strong>in</strong>terthur)<br />

Objective: NOTES-Techniken s<strong>in</strong>d nicht m<strong>in</strong>imal<strong>in</strong>vasiv und perforieren <strong>in</strong>nere Organe mit den möglichen<br />

neuen Komplikationen. Die Instrumente s<strong>in</strong>d kompliziert, die Technik ist teuer. E<strong>in</strong>fache Lösungen<br />

s<strong>in</strong>d gesucht. Wir schlagen für die Ingu<strong>in</strong>alhernie e<strong>in</strong>e modifizierte IPOM-Technik mit alle<strong>in</strong>igem Zugang<br />

durch den Nabel, für den Patienten schmerzarm und fast narbenfrei, vor.<br />

Methods: Der Patient wird über die Verschiedenheit der Methode gegenüber herkömmlichen endoskopischen<br />

Netztechniken und den alle<strong>in</strong>igen Zugang durch den Nabel aufgeklärt. Die Erfahrungen mit<br />

IPOM werden erläutert. Wir verwenden e<strong>in</strong>e 45°-Optik am Nabel mit zwei 5 mm Trokaren <strong>in</strong> derselben<br />

Inzision paramedian. Der Bruchsack wird mit e<strong>in</strong>em PDS-2-0-Endoloop zusammen mit der <strong>in</strong>s Abdomen<br />

gezogenen Transversalisfaszie an der Basis gerafft und ligiert. Als Netz verwenden wir Parietex<br />

composite 15 x 10 cm fixiert mittels Absorbatac.<br />

Results: 50 Patienten (Alter 53 (21-80) (5 f, 45 m) haben wir zwischen 12/2008 und 11/2009 mit<br />

MINI-IPOM operiert. Als Komplikationen sahen wir e<strong>in</strong>e Blutung aus e<strong>in</strong>em A. epigastrica-Ast, was<br />

e<strong>in</strong>en medianen Zugang nötig machte, welcher später e<strong>in</strong>e mediane Narbenhernie verursachte, die<br />

dann offen mittels IPOM vers<strong>org</strong>t wurde. E<strong>in</strong>mal trat 4 Tage postop. e<strong>in</strong>e Divertikelperforation mit<br />

Peritonitis auf, was mit Sigmaresektion ohne Stoma behandelt wurde. E<strong>in</strong>e Blasenverletzung wurde<br />

während neun Tagen mittels Blasenkatheter und Douglasdra<strong>in</strong> saniert. Alle andern Operationen verliefen<br />

komplikationslos. Die Patienten wurden nach 2 und 12 Wochen nachkontrolliert. Die postop.<br />

Schmerzen s<strong>in</strong>d ger<strong>in</strong>g, die postop. Aufenthaltsdauer beträgt 1,3 Tage, nach 12 Wochen fanden wir 2<br />

Rezidive mit verrutschtem Netz, was <strong>in</strong> beiden Fällen erneut mit MINI-IPOM vers<strong>org</strong>t wurde. Es traten<br />

ke<strong>in</strong>e Nervenschmerzen auf, ausser Blähungen sahen wir ke<strong>in</strong>e weiteren <strong>in</strong>traabdom<strong>in</strong>ellen Probleme.<br />

Die Zufriedenheit der Patienten ist hoch.<br />

Conclusion: Mit e<strong>in</strong>er e<strong>in</strong>fachen Methode konnten wir bei ger<strong>in</strong>gen Schmerzen e<strong>in</strong> gutes funktionelles<br />

und kosmetisches Resultat erzielen. Die drei Komplikationen dürfen als Lernkurve <strong>in</strong>terpretiert werden.<br />

Allen drei Patienten geht es gut, sie s<strong>in</strong>d bezüglich der Hernie saniert. Alle Patienten s<strong>in</strong>d nachkontrolliert<br />

zufrieden und rezidivfrei. Die Methode ist neu, lehnt sich an TAP, TEP und IPOM an und der<br />

Langzeitverlauf muss lückenlos nachverfolgt werden. Ausserhalb e<strong>in</strong>er Studie ist die Methode nicht<br />

ohne Instruktion freizugeben.<br />

28.8<br />

Long-term follow-up compar<strong>in</strong>g open and laparoscopic large <strong>in</strong>cisional hernia repair<br />

A. Kurmann, G. Beldi, E. Visth, S. Vorburger, D. Cand<strong>in</strong>as (Berne)<br />

Objective: Short term feasibility and safety of laparoscopic repair of <strong>in</strong>cisional hernia has been shown<br />

<strong>in</strong> prospective trials. However, long-term follow-up, <strong>in</strong> particular for large <strong>in</strong>cisional hernia repair rema<strong>in</strong>s<br />

to be determ<strong>in</strong>ed. The aim of this prospective study was to compare long-term results of laparoscopic<br />

versus open repair for large <strong>in</strong>cisional hernia.<br />

Methods: A total of 428 patients underwent <strong>in</strong>cisional hernia repair at our <strong>in</strong>stitution between 2/2003

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