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Thursday, October 7, 2010, 17:30-18:00Session A9: Arthroplasty OutcomesMid-Term Results of Hi-Tech Knee Cementless Total Knee Arthroplasty :5 To12 Years Follow-Up*Hajime Yamanaka - . - Chiba, Japan*Email: ici05323@m7.gyao.ne.jpAuthors Yamanaka Hajime - National Hospital Organization ShimoshizuHospital - Yotukaido City, Chiba - PresentingKen-Ichiro Goto - National Hospital Organization Shimoshizu Hospital -Yotsukaido City, Chiba - CorrespondingMunetaka Suzuki - National Hospital Organization Shimoshizu Hospital -Yotsukaido, ChibaHajime Yamanaka, Kenichiro Goto, Munetaka Suzuki, Kazutoshi MiyamotoDepartment of Orthopedic Surgery, National Hospital Organization ShimoshizuHospital, 934-5 Shikawatashi, Yotsukaido, Chiba, 284-0003, JapanIntroduction: The purpose of this study is to evaluate the mid-term resultsof clinical and radiographic results Hi-tech knee a cementless total kneearthroplasty (Nakashima medical Co. Ltd., Okayama, Japan). This TKA systemwas developed in Chiba University from 1994. The characteristic of thissystem are flat on flat CR-TKA and cementless fixation. Contact surface aremade of titanium alloy and UHMWPE, which is produced by the directcompression mold manufacturing method.Material and Method: Between May 1998 and May 2005, we performed 53consecutive primary TKAs for 42 patients. There were 41 women and 1 man witha mean age of 64.4 years (39 to 78 years). The average follow up period was7 years 8 months (5 years to 12 years). Osteoarthritis knee were 21 kneesand rheumatoid arthritis were 32 knees. The mean pre-operative FTA was 181.7file:///E|/ISTA2010-Abstracts.htm[12/7/2011 3:15:47 PM]
degrees (168 to 203 degrees). The method of the operation went in measuredcut technique for all cases. All 53 knees were implanted with a cruciateretaining prosthesis. All comportments, included a patella component, werefixed without cement. Clinical evaluations were performed according toAmerican Knee Society (KS) system, knee score and function score.Results: The mean preoperative and postoperative, at the latest follow up,maximum flexion angles were 104 and 114 degrees, respectively. The KS kneescore and function score improved from 47.5 and 38.9 points before surgeryto 87.6 and 80.4 points after surgery, respectively. Postoperative alignmentFTA average 174.8 degrees. Within follow up period, it maintained goodvalgus-varus stability. There was no major loosening. Six knees (11%) wereobserved radiolucent line at medial tibia plateau less than 1mm. Norevisions of TKA were required because of loosening or sinking. There wasalso no problem at patellar component.Conclusions: Hi-Tech knee a cementless TKA system was made for the suitablefor a Japanese knee, strong initial fixation in a concept. The patellacomponent is also cementless fixation. Contact surface are made of titaniumalloy and UHMWPE of the direct compression mold method, it was able toprotect the abrasion of the polyethylene in a stable state, too. Themid-term results of Hi-Tech knee a cementless TKA , not only OA but also RApatient knee, provided almost good results.Thursday, October 7, 2010, 14:20-15:00Session B6: Computer Navigation in TKR 2file:///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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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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Thursday, October 7, 2010, 8:30-9:2
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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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Page 288 and 289: Conclusions:We conclude that with u
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Page 294 and 295: Barbara Maestri - university of rom
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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 310 and 311: The hammering sounds in press-fit i
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Page 314 and 315: technique.The subjects were 16 knee
Page 316 and 317: Persistent patellofemoral symptoms
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Page 324 and 325: Tateaki Shimakawa - Tokushima Munic
Page 326 and 327: male.We retrospectively reviewed pr
Page 328 and 329: affected the interface stresses cal
Page 332 and 333: Introduction:Cadaveric Evaluation o
Page 334 and 335: defects.Conclusion: Periprosthetic
Page 336 and 337: FiguresFigure 1 Figure 2 Figure 3 F
Page 338 and 339: Poster: 4Testing High Performance A
Page 340 and 341: Background:Modular endoprosthetic r
Page 342 and 343: The mean follow up was 4.2 years (3
Page 344 and 345: compared to the attending surgeon.D
Page 346 and 347: Poster: 13Postural Control Features
Page 348 and 349: e extended to the cup with malposit
Page 350 and 351: Poster: 17A Novel Method to Determi
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Page 356 and 357: Poster: 23Lumbar Disc Replacement.
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Page 360 and 361: Poster: 27Accuracy of Acetabular Cu
Page 362 and 363: Poster: 29In Vivo Measurement of Pe
Page 364 and 365: Poster: 31Clinical and Laboratory V
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Page 372 and 373: 17. Jonsson B, Astrom J. Alignment
Page 374 and 375: Branislav Jaramaz - The Western Pen
Page 376 and 377: Poster: 34What Is the Blood Transfu
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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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