In this paper, we evaluated the long-term results of uncemented total hip arthroplasties using tapered fully porous-coated cobalt-chrome stems (Autophor 900S). The average follow-up was 206 months in 127 hips (113 patients). The articulations of the joints were ceramic-on-polyethylene in 43 hips and ceramic-on-ceramic in 84. The survival rate of the stems at 17 years was 94.5%. A stable stem with bony ingrowth was identified in all 120 hips, excluding femoral revision cases (seven hips). The causes of the seven femoral revisions were aseptic loosening in four, infection in two, and stem fracture in one. No surgical intervention was performed for osteolysis or stress shielding. The Autophor 900S tapered fully porous-coated cobalt-chrome femoral stem revealed encouraging radiographic long-term stability.

译文

在本文中,我们评估了使用锥形完全多孔涂层的钴铬茎 (Autophor 900S) 进行非骨水泥全髋关节置换术的长期结果。127髋 (113例患者) 平均随访206个月。关节的关节为43 hips的聚乙烯陶瓷和84 hips的陶瓷陶瓷。17年时茎的存活率为94.5%。除股骨翻修病例 (7髋) 外,在所有120髋中都发现了一个稳定的茎,具有骨向内生长。七次股骨翻修的原因是四次无菌性松动,两次感染和一次骨折。未对骨溶解或应力屏蔽进行手术干预。Autophor 900S锥形完全多孔涂层的钴铬股骨干显示出令人鼓舞的影像学长期稳定性。

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