目的　探讨无柄髋关节置换治疗中青年股骨头坏死患者的中近期疗效。  方法　对19例中青年股骨头坏死患者19髋采用无柄髋关节置换术，对其临床效果进行评述分析。  结果　19例患者疗效满意，术后随访6~65个月，按Harris评分为平均（89.4±6.5）分。优13例，良5例，中1例。优良率为　94.7%。  结论　无柄髋关节置换术，适用于中青年股骨头缺血性坏死晚期患者，中近期疗效好，能有效保存骨量，但远期效果有待长时间观察。

Objective    To explore the short-term effects of the stemless hip prosthesis replacement on treating middle and young-aged patients with femoral head necrosis.   Methods   19 cases (middle or young-aged) suffered from femoral head necrosis received the stemless hip replacement surgery, and followed by the evaluation of clinical effects.    Results    The follow up time was about 6 to 65 months. All patients recovered, with the Harris score of 89.4± 6.5 points averagely ( excellent in 13 cases, good in 5 cases, medium in 1 case). Excellent and good rate was about 94.7%.   Conclusions    The stemless hip arthroplasty is suitable for treating middle and young-aged patients with avascular necrosis, for its excellent short-term curative effects. However, the long-term effects need to be revealed.