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Orthopaedic Proceedings
Vol. 94-B, Issue SUPP_XXXVII | Pages 566 - 566
1 Sep 2012
Lee MC Lee JK Seong SC Lee S Jang J Lee SM Shim SH
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Summary

Revision TKA using CCK prosthesis showed comparable outcome to PS prosthesis in clinical and radiological results.

Introduction

In revision total knee arthroplasty (TKA), the goal should be to obtain good motion, function and most importantly stability. The stability depends on remaining soft tissue and implant design. The more the ligaments retain function, the less the implant constraint is needed to achieve stability. With increased constraint, the transfer of joint reaction forces to implant-bone interface may lead to mechanical loosening of the implant. Constrained condylar knee (CCK) prosthesis provides more constraint compared with posterior stabilized (PS) prosthesis. The purpose of this study was to compare the clinical, radiological outcome and survivorship of CCK and PS prosthesis in revision TKA.


Orthopaedic Proceedings
Vol. 94-B, Issue SUPP_XXXVII | Pages 39 - 39
1 Sep 2012
Lee MC Lee SM Seong SC Lee S Jang J Lee JK Shim SH
Full Access

Summary

UC TKA showed similar anteroposterior translation and more femoral external rotation of earlier onset when compared to PS TKA.

Introduction

Recently highly conforming ultracongruent TKA has been reintroduced with improved wear characteristics and lower complications. The purpose of the study was to assess kinematics and clinical outcome of posterior stabilized and ultracongruent rotating-platform mobile bearing TKA.