人工全髋关节置换术后脱位原因

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人工全髋关节置换术后脱位
发生率
The average incidence of dislocation after total hip arthroplasty is approximately 3%.
factors
a history of previous hip surgery or revision total hip replacement （7.4%）a posterior surgical approach （5.8% vs 2.3%）faulty positioning of one or both components impingement of the femur on the pelvis or residual osteophytes impingement of the neck of the femoral component on the margin of the socket inadequate soft-tissue tension insufficient or weak abductor muscles avulsion or non ...

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关键词：全髋关节置换术 髋关节 Insufficient Approximate positioning