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Poster: 102Aggressive Early Debridement Can Be Successful for Infected Total KneeArthroplasty*Mohamed Sukeik - University College London Hospital - London, United KingdomMike Dobson - University College London Hospital - London, United KingdomAnna Bridgens - University College London Hospital - London, United KingdomF S Haddad - University College London Hospital - London, United KingdomIntroduction*Email: msukeik@hotmail.comUp to 2% of total knee arthroplasties (TKA) are still complicated by infection. This leads todissatisfied patients with poor function, and has far-reaching social and economicconsequences. The challenge in these cases is the eradication of infection, the restoration of fullfunction and the prevention of recurrence. We report the outcome of prosthesis sparing earlyaggressive debridement in the acutely infected TKA.MethodsWe studied 29 consecutive patients referred with acutely infected TKA (18 primaries, 11revisions) which occurred within 6 weeks of the index operation or of haematogenous spread.Microbiology confirmed bacterial colonization in all cases with 20 early post-operativeinfections and 9 cases of acute haematogenous spread. All patients underwent aggressive opendebridement, a thorough synovectomy and a change of insert. Antibiotics were continued untilinflammatory markers and the plasma albumin concentration returned to within normal limits.ResultsThree patients required multiple washouts. 8 patients needed a two stage revision. 21 patientsreturned to their expected functional level without removal of the implants and with noradiographic evidence of prosthetic failure. At a minimum 2 years follow-up, we had a 72%infection control rate. The outcome was significantly better in patients treated in the first 120hours after presentation.Discussion and ConclusionOur data suggests that there is a role for early aggressive open debridement in acute infectionsafter TKA with an excellent chance of prosthesis salvage.Poster: 103Comparison of the Mid-Vastus and Median Parapatellar Approaches forPrimary Total Knee Arthroplasty: A Meta-Analysisfile:///E|/ISTA2010-Abstracts.htm[12/7/2011 3:15:47 PM]
Ilhan Alcelik - West Cumberland Hospital - Whitehaven, United Kingdom*Mohamed Sukeik - University College London Hospital - London, United KingdomRaymond Pollock - West Cumberland Hospital - West Cumberland, United KingdomAnand Misra - West Cumberland Hospital - Whitehaven, United KingdomAshraf Naguib - West Cumberland Hospital - Whitehaven, United KingdomPeter Fismer - West Cumberland Hospital - Whitehaven, United Kingdom*Email: msukeik@hotmail.comProponents of a mid-vastus (MV) approach for primary total knee arthroplasties (TKA) stressits importance in preserving function of the extensor mechanism with earlier rehabilitation anddecreased prevalence of lateral release.We conducted a systematic review and meta-analysis of randomised and quasi-randomisedtrials comparing the standard median parapatellar (PP) and MV approaches in primary TKA tosubstantiate the validity and relevance of this contention.Methodological features were rated independently by two reviewers. We included 15 studiesinvolving 1129 patients with mean age and standard deviation of 69.4±12.75 for the MV and68.6±11 for the PP groups. Using a MV approach led to significant increase in flexion at 1 and12 weeks postoperatively (mean difference (MD) 9.90 (95% confidence interval (CI) 7.94 to11.86, P
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Convened under the auspicious of es
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Special Thank YouISTA’s Board of
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Invited SpeakersJean Noel ArgensonM
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Thursday, October 7, 2010Session AS
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Oxinium Versus Metal on Polyethylen
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13:30 - 14:00Invited talk: Hip Arth
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What Can We Do With Periprosthetic
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New Concept in Soft Tissue Balancin
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Comparison of Drain Clamp After Bil
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Session - A7:45 - 8:15Invited talk:
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Massive Endoprosthetic Replacement
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Hydroxyapatite Block for Reconstruc
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13. Dilute Betadine Lavage Prior to
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37. Fluoroscopic Analysis of Advanc
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60. Influence of Impaction Forces o
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85. Surgical Wound Infection as a P
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Saturday, October 9, 2010, 8:15-9:0
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algorithm was tested for short incr
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Ten patients with fracture acetabul
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Saturday, October 9, 2010, 14:00-14
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*Email: drbaldiniandrea@yahoo.itThe
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evision surgery were aseptic loosen
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*Dante Parodi - Clinica Alemana De
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Thursday, October 7, 2010, 17:30-18
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and subsequent exposure time to rad
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of the patient during the acetabula
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FiguresFriday, October 8, 2010, 11:
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Results: No further revisions were
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Minimally Invasive Total Knee Arthr
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and are due to insufficient fixatio
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Methods: An inverse finite element
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Finally a subject-specific model co
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prosthesis component have been calc
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novel tools and devices that are ab
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from 48.6 to 92.2, while functional
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Friday, October 8, 2010, 8:00-8:30S
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The Kaplan-Meier survival rate was
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especially because most of the stan
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knee and offer a new development of
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This was the patient with revision
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Ain Shams UniversityCairo, EgyptPle
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Two-stage revision arthroplasty is
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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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FiguresFigure 1Friday, October 8, 2
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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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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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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
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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
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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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Page 416 and 417: Lucia Manunta - University - sassar
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Page 426 and 427: Poster: 70Outcome of Ceramic-Cerami
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Page 444 and 445: International scientific literature
Page 446 and 447: were balanced to within 2° to 3°
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Page 450 and 451: Poster: 91So Are Sutures Actually B
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Page 458 and 459: Poster: 98Appropriate Spatial Desig
Page 460 and 461: Poster: 100Total Hip Arthroplasty i
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Page 470 and 471: Poster: 109Severe Persistent Synovi
Page 472 and 473: *Email: jerome.tonetti@free.frIn pr
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Page 478: file:///E|/ISTA2010-Abstracts.htm[1
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