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首页> 外文期刊>The Journal of Bone and Joint Surgery. American Volume >Charnley low-friction arthroplasty in young patients with osteoarthritis: outcomes at a minimum of twenty-two years.
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Charnley low-friction arthroplasty in young patients with osteoarthritis: outcomes at a minimum of twenty-two years.

机译：年轻的骨关节炎患者的Charnley低摩擦人工关节置换术：至少22年的预后。

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BACKGROUND: We previously reported the outcomes at a minimum of twelve years after eighty-four Charnley low-friction arthroplasties performed in patients with osteoarthritis who were less than fifty-six years old at the time of the surgery. We now update the results of that cohort at a minimum of twenty-two years postoperatively. METHODS: Eighty-four hips (in sixty-nine patients) with osteoarthritis, which was secondary to congenital hip disease in sixty-four (76%) of them, were followed prospectively with use of the Merle D'Aubigne and Postel scoring system as modified by Charnley and with serial radiographs. RESULTS: At the time of the latest follow-up, thirty-seven hips (44%) had failed. Twenty-eight acetabular and thirty femoral components, in a total of thirty-two hips, had been revised because of aseptic loosening; six of the loose femoral components were broken. Three hips were infected and were converted to a resection arthroplasty. A periprosthetic femoral fracture occurred in two additional hips, three and ten years postoperatively, and both were treated with internal fixation. Thirty-seven original acetabular components and thirty-six original femoral components were in place for an average of twenty-nine years. The probability of survival for both components, with failure for any reason as the end point, was 0.51 (95% confidence interval, 0.39 to 0.62) at twenty-five years. CONCLUSIONS: These long-term results can be used as a benchmark with which to compare outcomes of different designs when total hip arthroplasty is performed in young patients when the majority have congenital hip disease.
机译：背景：我们先前报道了在手术时年龄不到五十六岁的骨关节炎患者中进行八十四次Charnley低摩擦人工关节置换术后至少十二年的结果。现在，我们至少在术后22年更新该队列的结果。方法：对84例（69例）骨关节炎患者（其中有64例（76％）继发于先天性髋部疾病）进行了随访，并采用Merle D'Aubigne和Postel评分系统由Charnley修改并带有系列射线照相。结果：在最近一次随访时，三十七髋（44％）出现了失败。由于无菌性松动，共修订了38个髋臼和30个股骨组件，共32个髋部。六个股骨松动部分断裂。感染了三只髋关节，并将其转换为切除关节置换术。假体周围股骨骨折发生在术后3年和10年的另外两个髋部，并且均接受了内固定治疗。平均有二十九年的三十七原始髋臼组件和三十六原始股骨组件。在25年中，由于任何原因而导致故障的两个部件的生存概率均为0.51（95％置信区间，0.39至0.62）。结论：这些长期结果可以用作比较在大多数先天性髋部疾病的年轻患者中进行全髋关节置换术时不同设计结果的基准。

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