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类风湿性关节炎患者行原发性斯坦莫尔全髋关节置换术时髋臼松动增加。

Primary Stanmore total hip arthroplasty with increased cup loosening in rheumatoid patients.

作者信息

van der Lugt J C T, Onstenk R, Nelissen R G H H

机构信息

Department of Orthopaedic Surgery, Leiden University Medical Center, PO Box 9600, 2300 RC Leiden, The Netherlands.

出版信息

Int Orthop. 2003;27(5):291-3. doi: 10.1007/s00264-003-0473-6. Epub 2003 Oct 8.

Abstract

We studied all Stanmore total hip arthroplasties (THA, n=325) implanted at our center between 1980 and 1990. Seven patients (seven hips), followed for less than 12 months, were excluded. Five hips were lost at follow-up. The mean follow-up was 117 (12-252) months. A total of 18 hips were revised, with median time between operation and revision 163 months. With revision as endpoint, a survival rate analysis was calculated. The mean survival for all hips was 82% at 18 years (95% confidence interval 64-101%). For hips with rheumatoid arthritis, the survival rate was 58%, whereas in osteoarthritic hips the rate was 95% after 18 years. A high proportion of acetabular loosening was seen in rheumatoid hips.

摘要

我们研究了1980年至1990年间在我们中心植入的所有斯坦莫尔全髋关节置换术(THA,n = 325)。7名患者(7髋)随访时间不足12个月,被排除在外。随访中有5髋失访。平均随访时间为117(12 - 252)个月。共有18髋进行了翻修,手术至翻修的中位时间为163个月。以翻修为终点,计算生存率分析。所有髋关节18年时的平均生存率为82%(95%置信区间64 - 101%)。类风湿性关节炎患者的髋关节生存率为58%,而骨关节炎患者的髋关节18年后生存率为95%。类风湿性髋关节中髋臼松动的比例较高。

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