Fixed- vs Mobile-Bearing Total Knee Arthroplasty Does It Make a Difference?-A Prospective Randomized Study

被引：63

作者：

Harrington, Melvyn A. ^{[1
]}

Hopkinson, William J. ^{[2
]}

Hsu, Patricia ^{[2
]}

Manion, Leslie ^{[2
]}

机构：

[1] Baylor Coll Med, Dept Orthoped Surg, Houston, TX 77030 USA

[2] Loyola Univ, Chicago Stritch Sch Med, Dept Orthopaed & Rehabil, Maywood, IL 60153 USA

来源：

JOURNAL OF ARTHROPLASTY | 2009年 / 24卷 / 06期

关键词：

rotating-platform prosthesis; fixed bearing; range of motion; outcomes; FOLLOW-UP; SYSTEM; REPLACEMENT; MINIMUM;

D O I：

10.1016/j.arth.2009.04.031

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：

100224 [整形外科学];

摘要：

The purpose of this prospective, randomized study was to compare the early clinical and functional results of primary total knee arthroplasty using a fixed-bearing (FB) and a rotating-platform (RP) prosthesis. Outcomes including range of motion (ROM), Knee Society Score, Western Ontario MacMaster (WOMAC), and Short Form-36 (SF-36) were measured preoperatively and at 6 weeks, 3 months, 6 months, I year, and 2 years. Radiographic analysis was performed. There were 72 FB and 68 RP knees. The RP group had a greater ROM at 6 weeks and I year. This difference was not statistically significant at 2 years. There were no differences in the ROM at any other period. There were no significant differences in Knee Society Score, Short Form-36, or Western Ontario MacMaster scores at any period. No clinically significant differences were noted in the radiographic analysis. The use of a FB or RP design did not affect the early functional outcomes after total knee arthroplasty.

引用

页码：24 / 27

页数：4

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