Modular Femoral Head and Liner Exchange for the Unstable Total Hip Arthroplasty

被引:19
作者
Biviji, Ayaz A.
Ezzet, Kace A. [2 ]
Pulido, Pamela [1 ]
Colwell, Clifford W., Jr. [1 ]
机构
[1] Scripps Clin, Shiley Ctr Orthopaed Res & Educ, La Jolla, CA 92037 USA
[2] Scripps Clin, Div Orthopaed Surg, La Jolla, CA 92037 USA
关键词
hip instability; modular exchange; nonconstrained liners; hip dislocation; RECURRENT DISLOCATION; ACETABULAR COMPONENT; REPLACEMENT; REVISION; IMPINGEMENT; INSTABILITY; ORIENTATION; EXPERIENCE; MANAGEMENT; RISK;
D O I
10.1016/j.arth.2008.03.015
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
Outcomes of femoral head and nonconstrained liner exchange in treating hip instability were evaluated, Forty-eight modular component exchanges performed in 45 patients for recurrent hip dislocations were retrospectively reviewed. Mean follow-up was 4.7 years. Overall Success rate was 73% (35/48 hips). Thirty-two (67%) of 48 hips experienced no further dislocations. Three patients had 1 dislocation each with no subsequent dislocations. Ten patients (13 hips) had additional surgery to stabilize their hips (27% failure rate). Demographic, clinical, and implant variables were not associated with outcome. Isolated modular component exchange call be successful in treating recurrent hip dislocations; however, a significant failure rate, not easily predicted, exists. This represents the largest series of modular head and nonconstrained liner exchange for hip dislocation (122/125).
引用
收藏
页码:625 / 630
页数:6
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