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Orthopaedic Proceedings
Vol. 94-B, Issue SUPP_XXXVII | Pages 238 - 238
1 Sep 2012
Ishii Y Noguchi H Takeda M Sato J
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The purpose of this study is to analyze what kind of pattern of change in each posterior femoral condyle allows for a greater degree of flexion after total knee arthroplasty (TKA). The flexion angle was assessed pre-operatively, and at 12 months after the surgery in 98 patients (106 knees) who underwent consecutive TKA. We used a quantitative 3 dimensional technique using computed tomography for the assessment of changes in both the medial and lateral femoral condylar offset. There were no significant correlation between changes of each posterior condylar offset and post flexion angle (medial condyle; R=−0.038, p=0.70, lateral condyle; R=−0.090, p=0.36). There were no significant differences between changing patterns and increase rate of flexion (p=0.443). Additionally there were no significant differences between changing patterns and increase of flexion angle (p=0.593). Changes of each posterior condylar offset were no correlation to knee flexion after TKA in the current design prosthesis.