ARTHROPLASTY
TKA: Non-weight-bearing passive flexion: Motion metrics improved with high flexion device
J Arthroplasty. 2013 Mar;28(3):429-38. doi: 10.1016/j.arth.2012.07.019. Epub 2012 Dec 693 patients (186 knees) were randomized to compare the non-weight-bearing passive flexion (PF) of two devices for simultaneous bilateral total knee arthroplasty (TKA). Patients received a standard posterior stabilizing device on one knee and a high flexion posterior stabilizing device in the contra-lateral knee and were assessed after 12 months. Results indicated that there was a small (but significant) improvement in the motion metrics with the high flexion device in comparison to the standard device.
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