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iocompatible material to man,it is the choice for patients who exhibit metal allergies.Disadvantages:Despite advances in surgical techniques including computer quidance dislocation of the femoralhead in hip arthroplasty remain as a serious clinical problem .There are several reports aboutthe presence of significant damage (cracking ,gouging and delamination of the surface)subsequent to dislocation and closed reduction of Oxinium femoral heads after open revisionand their potential to accelerate wear if successful closed reduction had been achieved .However in the case of dislocation it is recommended that closed reduction should be attemptedwith caution because significant head damage can occur and in the case of successful reductionclose patients follow-up is recommended .Open reduction with femoral head inspection andexchange may be preferable if difficulty is encountered in close reduction maneuvers.Oxinium and hemiarthroplasty:Regardless of the studies analyzing the characteristics of Oxinium with polyethylene there areno studies of an Oxinium articulation with the native acetabulum .Because of the high mortality rate after hip fracture the clinical benefits of Oxiniumhemiarthroplasty if existant ,are difficult to appreciate and recent studies show no significantadvantage were observed for this more expensive prosthesis .For these reasons ,although nocomplications can be directly attributed to the use of Oxinium .There are also no recognizedbenefits to warrant its use in case of hemiarthroplasty.References:1-Chisa Hihdaka,Suzanne Maher,John Parker,Selom Gasinu,Matthew E Cunningham,ScottRodeo.What,s new in orthopaedic research.jbjs volume 91-A.Number 11.November 20092-Oxinium.Surgegs,information.Smith,Nephew .co.uk.2003-20053-Vectoria Good,Micheal Ries,Robert L Barrack,Kirstin Wiidding,Gordon Hunter,DanHeuer.Reduced wear with oxidized Zirconium femoral heads.jbjs(American)85:105-110(2003).4-G.T.Evangelista,F.Kummer,P.E.Di Cesare.Surface damage to an Oxinium femoral headprosthesis after dislocation.jbjs-british volume,89-B,issue4,535-537(2007).5-Michael D.Ries,Abraham Salehi,Kirstin Widding and Gordon Hunter.jbjs(America)84:S129-S135(2002).6-Leiw PM,Moore CA,Olsen M,Schemitsch,Waddell JP.Comperasion of mid-term clinicaloutcome after primary total hip arthroplasty with Oxinium vs cobalt chrome femoralheads.Orthopedic.2008 Des:31(12 suppl 2).7-Alexander P .Sah and John E. Ready.Use of Oxidized Zirconium hemiarthroplasty in hipfractures.the journal of arthroplasty Vol.22.No.8 2007.8-A.M.Patel and M.Spector.Tribiological evaluation of oxidized Zircinium using an articularcartilage counterface :a novel material for potential use in hemiarthroplasty.Biomaterials 18(1997)441-447.9-S.A.Sexton,W.L.Walter,M.P.Jackson,R.De.Steiger,T.Stanford. Ceramic on ceramic bearingfile:///E|/ISTA2010-Abstracts.htm[12/7/2011 3:15:47 PM]
surface and risk of revision due to dislocation after primary total hip replacement.jbjs-Britishvolume .Vol 91-B issue 11,1448-1453(2009).10-Bourne RB,Barrack R,Rorabec CH ,Salehi A,Good V.Arthroplasty options for the youngpatient:Oxinium on cross-linked polyethylene.clin ortho relat res.2005 Dec;441:159-67.11-Alen M.Kop, Colin Whitewood, Don j.l.Johnston.Damage of Oxinium femoral headssubsequent to hip arthroplasty diclocation.the journal of arthroplasty Vol.22.No.5 2007.12-Evangelista GT,Fulkerson E,Kummer F,Di cesare PE.Surface damage to Oxinium femoralhead prosthesis after dislocation.jbjs BR 2007 Apr:89(4):535-7.13-William L.Jaffe,Eric J. Strauss,M.Cardinale,Lizeth Herrera, Fred j. Kummer.SurfaceOxidized Zirconium total hip arthroplasty head damage due to closed reduction.the journal ofarthroplasty Vol.24 No. 6 2009.Friday, October 8, 2010, 16:30-17:30Session B15: MIS Techniques in TKASurgical Experience and Results of 1350 Consecutive Mini-Subvastus KneeArthroplasties*Nilen Shah - Bombay Hospital - Mumbai, India*Email: drnilen@gmail.comfile:///E|/ISTA2010-Abstracts.htm[12/7/2011 3:15:47 PM]
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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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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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Page 228 and 229: Thursday, October 7, 2010, 14:20-15
Page 230 and 231: *Stephen Murphy - New England Bapti
Page 234 and 235: scratching effect against the femor
Page 236 and 237: Friday, October 8, 2010, 8:40-9:50S
Page 238 and 239: transformation associated with the
Page 240 and 241: Bearing Surfaces in Primary Total H
Page 242 and 243: Introduction: Proper rotational ali
Page 244 and 245: Materials and Method4 cases and 5 k
Page 246 and 247: to improve exposure in difficult ca
Page 248 and 249: We have used different stems (strai
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Page 252 and 253: Our preliminary results are encoura
Page 254 and 255: A modified titanium spinal pedicle
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Page 262 and 263: Use of a novel ligament gap balanci
Page 264 and 265: femur 659, proximal tibia 198, prox
Page 266 and 267: *Pietro Ruggieri - University of Bo
Page 268 and 269: The presentattion will focus on tec
Page 270 and 271: Accuracy of Femoral Component Align
Page 272 and 273: Results.Dislocation: no.Clinical ou
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Page 278 and 279: BackgroundThe current literature te
Page 280 and 281: axis and component positioning. We
Page 282 and 283: stability of joint in full extensio
Page 284 and 285: with femoralrevision combined with
Page 286 and 287: arthroplasty. Obesity is an appropr
Page 288 and 289: Conclusions:We conclude that with u
Page 290 and 291: There was no difference in function
Page 292 and 293: We present the results of a consecu
Page 294 and 295: Barbara Maestri - university of rom
Page 296 and 297: gap balancing and providing reasona
Page 298 and 299: Highly Crosslinked PE as Alternativ
Page 300 and 301: plastic limit of UHMWPe. Changes in
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Page 304 and 305: age limit for THA can be lowered.Fr
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Page 308 and 309: Thursday, October 7, 2010, 7:30-8:2
Page 310 and 311: The hammering sounds in press-fit i
Page 312 and 313: We investigated the period from fir
Page 314 and 315: technique.The subjects were 16 knee
Page 316 and 317: Persistent patellofemoral symptoms
Page 318 and 319: peak dynamic varus angle over time.
Page 320 and 321: slope on the medial side was minima
Page 322 and 323: for the follow-up examination. A te
Page 324 and 325: 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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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
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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
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