A randomized prospective evaluation of outcomes after total hip arthroplasty using cross-linked marathon and non-cross-linked Enduron polyethylene liners

被引：147

作者：

Engh, C. Anderson, Jr. ^{[1
]}

Stepniewski, Adam S. ^{[1
]}

Ginn, Stuart D. ^{[1
]}

Beykirch, Sarah E. ^{[1
]}

Sychterz-Terefenko, Christi J. ^{[1
]}

Hopper, Robert H., Jr. ^{[1
]}

Engh, Charles A. ^{[1
]}

机构：

[1] Anderson Orthoped Res Inst, Alexandria, VA 22306 USA

来源：

JOURNAL OF ARTHROPLASTY | 2006年 / 21卷 / 06期

关键词：

primary total hip arthroplasty; prospective clinical outcome study; cross-linked vs non-cross-linked polyethylene; radiographic wear; osteolysis; Marathon; Enduron;

D O I：

10.1016/j.arth.2006.05.002

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：

Cross-linked liners were introduced with the promise that they would substantially reduce polyethylene wear. In 1999, our institution initiated a prospective study to compare the outcome of total hip arthroplasty patients who were randomized to non-cross-linked Enduron liners with that of total hip arthroplasty patients who were randomized to Marathon polyethylene liners that had been cross-linked with 5 Mrad (50 kGy) of gamma-irradiation and heat-treated to eliminate free radicals. At a mean follow-up of 5.7 years, the clinical outcomes among the Marathon and Enduron liners were similar. However, the mean wear rate was 0.01 +/- 0.07 mm/y for the Marathon group, which represents a 95% reduction compared with the mean wear rate of 0.19 +/- 0.12 mm/y for the Enduron group. In addition, the incidence of osteolysis was lower in the Marathon group.

引用

页码：17 / 25

页数：9

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