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Retrospective comparative study shows no significant difference in postural stability between cruciate-retaining (CR) and cruciate-substituting (PS) total knee implant systems

Götz, Juergen ; Beckmann, Johannes ; Sperrer, Ingo ; Baier, Clemens ; Dullien, Silvia ; Grifka, Joachim ; Koeck, Franz


Purpose Modified postural stability after retaining the posterior cruciate ligament (PCL) in total knee arthroplasty is still discussed controversially. The objective of this study was to evaluate whether a PCL-retaining implant design should be preferred over a PCL-substituting implant design regarding postural stability in one-leg stance and clinical outcome. Methods Forty patients underwent ...


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