Follow-up duration were 1~4 years, according to H arrs criterion, excellent or good results of unipolar hemiarthroplasty was 84.62%, that of bipolar hemiarthroplasty was 93.22% and that of total arthroplasty w as 90.91%.

• 所有病例术后1~3周下地行走；随访1~4年；按Harrs评分标准；术后髋关节功能优良率分别为:单极股骨头置换84.；62%25；双极股骨头置换93