目的探讨金属对金属人工全髋表面置换术治疗类风湿性关节炎和股骨头无菌性坏死的临床价值。

Purpose Present study investigated the role of metal on metal surface replacement of the hip in treating the young patients suffering rheumatoid arthritis or aseptic necrosis of femoral head.

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髋关节表面置换术是治疗中青年患者股骨头缺血性坏死的较佳选择，临床效果满意。

Conclusion Total hip surface replacement is one of the best choice for the treatment of osteonecrosis of the femoral head in young and middle-aged, and gets satisfactory result.

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