We prospectively investigated the outcomes after cementless total hip arthroplasties with contemporary alumina bearings in patients with osteonecrosis of the femoral head in this age group.

• 我们前瞻性的调查了在此年龄段的使用现代铝球轴承非骨水泥全髋关节成形术治疗股骨头坏死患者术后的情况。