A prospective randomized clinical trial of patellar resurfacing and nonresurfacing in bilateral TKA

被引:102
作者
Burnett, R. S. J.
Boone, J. L.
McCarthy, K. P.
Rosenzweig, S.
Barrack, R. L.
机构
[1] Washington Univ, Sch Med, Barnes Jewish Hosp, Dept Orthopaed Surg, St Louis, MO 63110 USA
[2] Tulane Univ, Div Orthoped Surg, New Orleans, LA 70118 USA
关键词
D O I
10.1097/BLO.0b013e31812f783b
中图分类号
R826.8 [整形外科学]; R782.2 [口腔颌面部整形外科学]; R726.2 [小儿整形外科学]; R62 [整形外科学(修复外科学)];
学科分类号
摘要
We conducted a randomized clinical trial to determine long-term outcome differences of patella resurfacing versus non-resurfacing in patients undergoing bilateral total knee arthroplasty. We questioned whether there were differences with respect to the operative procedure, anterior knee pain, Knee Society scores, patellofemoral-related revision rates, patient satisfaction and preference, and patellofemoral functional activities. Thirty-two patients (64 knees) underwent primary bilateral single-stage total knee arthroplasty for osteoarthritis. All patients received the same cruciate-retaining total knee arthroplasty. Patients were randomized to resurfacing or nonresurfacing of the patella for the first total knee arthroplasty, and the second knee received the opposite treatment. All living patients were followed to a minimum of 10 years. We found no differences with regard to range of motion, Knee Society Clinical Rating Score, satisfaction, revision rates, or anterior knee pain. Thirty-seven percent of patients preferred the resurfaced knee, 22% the non-resurfaced knee, and 41% had no preference. Two patients (7.4%) in the nonresurfaced group and one patient (3.5%) in the resurfaced group underwent revision for a patellofemoral-related complication. Equivalent clinical results for resurfaced and nonresurfaced patellae in total knee arthroplasty were demonstrated in this 10-year randomized clinical trial.
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页码:65 / 72
页数:8
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