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*Dante Parodi - Clinica Alemana De Santiago - Santiago, ChileEduardo Sauthier - Clinica Alemana de Santiago - Santiago, ChileJavier Besomi - Clinica Alemana De Santiago / Facultad De Medicina Clinica Alemana -Universidad Del Desarrollo - Santiago, ChileCarlos Tobar - Clinica Alemana de Santiago - Santiago, ChileJuanjose Valderrama - Clinica Alemana de Santiago; Facultad de Medicina Clinica Alemana -Universidad del Desarrollo - Santiago, ChileTitle: Hip Arthroscopy and Body Temperature*Email: danteparodi@gmail.comIntroduction: Hypothermia is the drop in body temperature under 35°C (95°F), It hasimplications in immunological function and healing process, increasing the infection and thecardiovascular risk. During hip arthroscopy patients are exposed to several risk factors that maylead to hypothermia.Objective: to determinate if there are hypothermia and which are the factors contributing tohypothermia during hip arthroscopy.Methods and materials: we developed an prospective observational analytical study in a cohortgroup of patients that went to a hip arthroscopy, all operated by a single surgeon for treatmentof femoroacetabular impingement, all were done under general anesthesia in supine position ,with vair hugher warmer body air convection system always in 43.3°C; and we registeredcentral body temperature (esophagical) during the entire procedure, we also recorded operationroom temperature, volume (liters) and temperature of the saline solution used for thearthroscopy, age of the patient, body mass index (BMI), arterial tension, pump pressure, andsurgical time. We analyzed the results with STATA 10.0 statistical software.Results: we performed 12 cases, 30 years old in average (14 – 46), BMI 24.0 in average (18.7 –30.4), and hypothermia was founded in 16% (2/12) of cases. There are a direct assosiationbetween hypothermia and operating time over 120 minutes (p
Equatorial Fins to Enhance Press Fit of Cementless Cups With Ceramicon-Ceramicand Met-Met Articulation: Positive Experience With 3Different Models*Roberto Binazzi - UNIVERSITY OF BOLOGNA - Bologna, ITALYPaolo Dalla Pria - - Villanova di S. Daniele del Fr,Massimo De Zerbi - - Ravenna,Francesco Perdisa - University of Bologna - BOLOGNA, ITALY*Email: binazzi@gmail.comThe present clinico-radiographical study evaluated the long term performance of a Ti-Al-Valloy cementless modular press-fit cups (Fitek TM ) having, on the outer surface, an orientedmultilayer titanium mesh (Sulmesh TM ) with 65% tridimensional porosity and 2 fins applied tothe outer surface. Fins were initially designed for anti-rotatory purposes but showed to give anexcellent initial mechanical stability. Thus, in the following years, we have designed 2 othercups having 8 fins and ceramic insert. In this paper we compare the design and the resultsobtained with these 3 cups.We have reviewed the first 100 consecutive FITEK cups implanted in 92 patients with anaverage FU of 9,7 years (range 9-11 years). Results were evaluated with the Harris score. Wehad 86 Excellent, 10 Good, 2 Fair and 2 Poor. In this series we always used 28 mm heads.Dysplastic patients showed inferior results compared to arthritics patients in differentparameters, as pain, limp, ROM (p < 0.05), putting socks and shoes (p < 0.05).Radiographically, our cups were implanted in a fairly horizontal position (36.5° an average).At the last FU radiolucent lines were present in 14 % of the cases, never progressive.In no case we found a change of position of the cup, and in this series no revision wasnecessary.Between 2005 and 2008 we have implanted 140 consecutive Delta Fins cups with ceramic-onceramicarticulation. The fins of this cup have a trapezoidal shape, with HA coating. The cuphas an interference of 2 mm. The Delta ceramic insert allows the use of 32 or 36 mm heads.Clinico-radiographical results were very good. One cup needed to be revised for asepticloosening consecutive to a surgical error (undersizing)The H.M.S. cup is made of Porous Titanium with 8 fins having a triangular section, in order toincrease their penetration into cortical bone. The ceramic insert allows even larger ceramicinsert (32, 36 and 40). Preliminary clinico-radiographical results were excellent, with completeinitial mechanical stability and great ROM due to the large ceramic heads.The presence of fins on the outer surface of cementless cups enhances primary stability andfixation and the use of large ceramic heads improves ROM and subjective patients satisfaction.file:///E|/ISTA2010-Abstracts.htm[12/7/2011 3:15:47 PM]
Page 2 and 3: Convened under the auspicious of es
Page 4 and 5: Special Thank YouISTA’s Board of
Page 6 and 7: Invited SpeakersJean Noel ArgensonM
Page 8: Thursday, October 7, 2010Session AS
Page 12 and 13: Oxinium Versus Metal on Polyethylen
Page 14 and 15: 13:30 - 14:00Invited talk: Hip Arth
Page 16 and 17: What Can We Do With Periprosthetic
Page 18 and 19: New Concept in Soft Tissue Balancin
Page 20 and 21: Comparison of Drain Clamp After Bil
Page 22 and 23: Session - A7:45 - 8:15Invited talk:
Page 24 and 25: Massive Endoprosthetic Replacement
Page 26 and 27: Hydroxyapatite Block for Reconstruc
Page 28 and 29: 13. Dilute Betadine Lavage Prior to
Page 30 and 31: 37. Fluoroscopic Analysis of Advanc
Page 32 and 33: 60. Influence of Impaction Forces o
Page 34: 85. Surgical Wound Infection as a P
Page 38 and 39: Saturday, October 9, 2010, 8:15-9:0
Page 40 and 41: algorithm was tested for short incr
Page 42 and 43: Ten patients with fracture acetabul
Page 44 and 45: Saturday, October 9, 2010, 14:00-14
Page 46 and 47: *Email: drbaldiniandrea@yahoo.itThe
Page 48 and 49: evision surgery were aseptic loosen
Page 52 and 53: Thursday, October 7, 2010, 17:30-18
Page 56 and 57: and subsequent exposure time to rad
Page 58 and 59: of the patient during the acetabula
Page 62 and 63: FiguresFriday, October 8, 2010, 11:
Page 64 and 65: Results: No further revisions were
Page 68 and 69: Minimally Invasive Total Knee Arthr
Page 70 and 71: and are due to insufficient fixatio
Page 72 and 73: Methods: An inverse finite element
Page 74 and 75: Finally a subject-specific model co
Page 76 and 77: prosthesis component have been calc
Page 78 and 79: novel tools and devices that are ab
Page 80 and 81: from 48.6 to 92.2, while functional
Page 82 and 83: Friday, October 8, 2010, 8:00-8:30S
Page 84 and 85: The Kaplan-Meier survival rate was
Page 86 and 87: especially because most of the stan
Page 88 and 89: knee and offer a new development of
Page 90 and 91: This was the patient with revision
Page 94 and 95: Ain Shams UniversityCairo, EgyptPle
Page 96 and 97: Two-stage revision arthroplasty is
Page 98 and 99: inexpensive modular femoral compone
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successful treatment outcome was de
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Pathogen N PercentStaphylococcus au
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component as their permanent prosth
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Thursday, October 7, 2010, 14:00-14
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FiguresFigure 1Friday, October 8, 2
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Saturday, October 9, 2010, 10:20-11
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*Email: joseph.fetto@nyumc.orgNon-c
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MATERIAL AND METHODS423 total knee
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MATERIALS AND METHODSFrom January 1
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Introduction:Mike Reed - Wansbeck G
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Conclusions:To the best our knowled
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ing superior clinical results when
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one) in 11 (26%), type II (failure
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Correction of leg length discrepanc
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motion is separated from the transv
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Is the Frecnh Paradox a Reality? Lo
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uncovered in the remaining 53 hips.
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found in the currently used MOM bea
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followed since their initial presen
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ã€€On the axial plane, the ave
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For revision hip replacements, the
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Friday, October 8, 2010, 15:20-16:0
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Friday, October 8, 2010, 8:00-8:30S
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ResultCup geometries with screws ha
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to insert the guide pin into the fe
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to 8% of THA patients have cups mal
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In a recent investigation the effec
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Conclusions.Fixed valgus angle rese
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fluoroscopic analysis of kinematics
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vivo motion of MB total knee arthro
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ResultsMean follow-up was 6 yrs (SD
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precision of implant placement. We
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*J. Philippe Kretzer - Laboratory o
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COM group whereas both components w
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In the present study, the patella h
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characteristic of the MB prosthesis
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Friday, October 8, 2010, 15:00-16:0
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The ceramic on ceramic strategy wit
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acetabulum, which with a modern por
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Friday, October 8, 2010, 14:00-14:5
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Conclusion: The results of this stu
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The incidence of periprosthetic fra
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*Email: sgh_iizu@grn.janis.or.jpAbs
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components (78 %) that remained rig
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hydroxyapatite ceramic in bone tumo
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one month later to a mean value of
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Keywords: total knee arthroplasty,
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of the tensor (Fig. 1B). During eac
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structures including MCL cut for ac
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31. Whiteside LA, Kasselt MR, Hayne
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Corne van Loon - rijnstate hospital
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Osaka, JapanTomonori Arita - Gradua
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Gary Poehling - Wake forest univers
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mean Harris hip score was 98 points
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Discussion:This study demonstrates
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Thursday, October 7, 2010, 8:00-8:5
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we usually excise both ACL & PCL, s
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true and false acetabulum2- In Femo
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Minimal invasive surgery (MIS)is ac
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*Stephen Murphy - New England Bapti
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scratching effect against the femor
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transformation associated with the
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Bearing Surfaces in Primary Total H
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Introduction: Proper rotational ali
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Materials and Method4 cases and 5 k
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to improve exposure in difficult ca
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We have used different stems (strai
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Our preliminary results are encoura
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A modified titanium spinal pedicle
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Page 258 and 259:
Page 260 and 261:
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Use of a novel ligament gap balanci
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femur 659, proximal tibia 198, prox
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*Pietro Ruggieri - University of Bo
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The presentattion will focus on tec
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Accuracy of Femoral Component Align
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Results.Dislocation: no.Clinical ou
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iocompatible material to man,it is
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BackgroundThe current literature te
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axis and component positioning. We
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stability of joint in full extensio
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with femoralrevision combined with
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arthroplasty. Obesity is an appropr
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Conclusions:We conclude that with u
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There was no difference in function
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We present the results of a consecu
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Barbara Maestri - university of rom
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gap balancing and providing reasona
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Highly Crosslinked PE as Alternativ
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plastic limit of UHMWPe. Changes in
Page 302 and 303:
equired blood transfusion (RD -0.34
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age limit for THA can be lowered.Fr
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lood transfusion might be necessary
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The hammering sounds in press-fit i
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We investigated the period from fir
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technique.The subjects were 16 knee
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Persistent patellofemoral symptoms
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peak dynamic varus angle over time.
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slope on the medial side was minima
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for the follow-up examination. A te
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Tateaki Shimakawa - Tokushima Munic
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male.We retrospectively reviewed pr
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affected the interface stresses cal
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Introduction:Cadaveric Evaluation o
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defects.Conclusion: Periprosthetic
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FiguresFigure 1 Figure 2 Figure 3 F
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Poster: 4Testing High Performance A
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Background:Modular endoprosthetic r
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The mean follow up was 4.2 years (3
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compared to the attending surgeon.D
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Poster: 13Postural Control Features
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e extended to the cup with malposit
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Poster: 17A Novel Method to Determi
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and it’s the highest rate has bee
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otation and 19 had a paradoxical ti
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Poster: 23Lumbar Disc Replacement.
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VTE-, we considered that the two co
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Poster: 27Accuracy of Acetabular Cu
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Poster: 29In Vivo Measurement of Pe
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Poster: 31Clinical and Laboratory V
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Figure 1: Typical steps used for co
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Alignment & bonecutting errorsMeanT
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allowing bone cutting to consume 25
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17. Jonsson B, Astrom J. Alignment
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Branislav Jaramaz - The Western Pen
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Poster: 34What Is the Blood Transfu
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dislocation after total hip arthrop
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Poster: 38Intraarticular Injection
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Sudhir Rao - South London Heathcare
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*Naoyuki Katayama - Hokkaido Orthop
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198.5±5.5°and 157.0±7.5°, respe
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Introduction*Sujith Konan - Univers
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Poster: 48IntroductionRevision Hip
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In conclusion we have developed a s
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laxity on wear and joint kinematics
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measurement interval. The wear rate
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spring model for AP translation and
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Haider, H., Walker, P. S., 2002. An
Page 402 and 403:
Poster: 52Development of a Constant
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*Takahiro Lida - Osaka City Univers
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coating, have been developed with t
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3. Push-out Biomechanical AnalysisM
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anodized/hydrothermally treated tit
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However, she then suffered from sev
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central osteophytes in hip osteoart
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Lucia Manunta - University - sassar
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Based on above measurement we had t
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3, 6, 12, 18, and 24 months post-op
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amorphous and degrades faster in th
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Conclusion: the longivity of hip ar
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Poster: 70Outcome of Ceramic-Cerami
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posterior structures (facets and fa
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After thirty-eight months in vivo,
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disadvantages are provided by this
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chipping of the insert. Therefore a
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Metal cups, embedded in a cast resi
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about their preferences regarding f
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A periprosthetic femoral fracture a
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Superficial wound infection occurre
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International scientific literature
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were balanced to within 2° to 3°
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ecause of deep infction. One was ma
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Poster: 91So Are Sutures Actually B
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patients having staged bilateral pr
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adiographs often underestimate the
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A total of 7 osteoarthritis hip wer
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Poster: 98Appropriate Spatial Desig
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Poster: 100Total Hip Arthroplasty i
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Poster: 102Aggressive Early Debride
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this study was to assess the agreem
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Hemiarthroplasty - an Innovative Me
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p=0.55. This minimal change in leng
Page 470 and 471:
Poster: 109Severe Persistent Synovi
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*Email: jerome.tonetti@free.frIn pr
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in 5 QFT-G positive patients with a
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arthroplasty (TKA). In the other ha
Page 478:
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