Why do revision knee arthroplasties fail?

被引：89

作者：

Suarez, Juan ^{[1
]}

Griffin, William ^{[3
]}

Springer, Bryan ^{[3
]}

Fehring, Thomas ^{[3
]}

Mason, J. Bohannon ^{[3
]}

Odum, Susan ^{[2
]}

机构：

[1] Vet Adm Hosp, San Juan, PR USA

[2] OrthoCarolina Res Inst, Charlotte, NC USA

[3] OrthoCarolina Hip & Knee Ctr, Charlotte, NC 28207 USA

来源：

JOURNAL OF ARTHROPLASTY | 2008年 / 23卷 / 06期

关键词：

revision knee arthroplasty; failure; survivorship;

D O I：

10.1016/j.arth.2008.04.020

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：

This study identified the mechanisms of failure and the variables associated with fail-Lire after revision knee arthroplasty. Five hundred sixty-six index revision knee arthroplasties were studied. Of index revisions, 12.0% failed at all average of 40.1 months. Predominant revision failure modes included infection (46%), aseptic loosening (19%), and instability (13%). Only 4.3% of knees revised for aseptic loosening required rerevision as compared to 21% of knees revised for infection. Revision knee arthroplasty was more likely to fail in younger patients and in those who underwent polyethylene exchanges. Mechanisms of failure for revision arthroplasties are different than for primary knee arthroplasties. Revisions for infection are 4 times more likely to fail than revisions for aseptic loosening. The Survivorship for the entire cohort, with revision for any reason as an end point, was 82% at 12 years.

引用

页码：99 / 103

页数：5

共 13 条

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