Kinematic alignment in total knee arthroplasty: a five-year prospective, multicentre, survivorship study.

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Abstract

Conflict of interest statement: ICMJE COI statement: T. Tran reports that the clinical trial was sponsored by Stryker Orthopaedics, which is related to this work, and consultancy for Stryker and Medacta, and payments or honoraria for lectures, presentations, speakers bureaus, manuscript writing, or educational events from Osteosynthesis and Trauma Foundation South Pacific Chapter and AO Alliance, which is unrelated. 19. J Arthroplasty. 2001 Sep;16(6):706-14. doi: 10.1054/arth.2001.24443. Kinematics of the patellofemoral joint in total knee arthroplasty. Stiehl JB(1), Komistek RD, Dennis DA, Keblish PA. Author information: (1)Midwest Orthopaedic Biomechanical Laboratory, Columbia Hospital, Milwaukee, Wisconsin, USA. jbstiehl@aol.com Sagittal plane patellofemoral kinematics was determined for 81 subjects while performing a weight-bearing deep knee bend under fluoroscopic surveillance. Fourteen normal knees, 12 anterior cruciate ligament (ACL)-deficient knees, and 55 total knee arthroplasties (TKAs) were assessed. Of TKAs, 39 had resurfacing with a dome-shaped patella, 8 had resurfacing with an anatomic mobile-bearing patella, and 8 were unresurfaced. TKA patellae experienced more superior patellofemoral contact and higher patellar tilt angles compared with the normal knees and ACL-deficient knees (P