股骨翻修术伴广泛羟基磷灰石涂层股骨部件。
Femoral revision with an extensively hydroxyapatite-coated femoral component.
机构信息
Department of Orthopaedic Surgery, Hospital for Special Surgery, 535 E 70th Street, New York, NY 10021, USA.
出版信息
HSS J. 2008 Feb;4(1):55-61. doi: 10.1007/s11420-007-9068-x. Epub 2007 Dec 1.
Between December 1996 and April 2003, 26 consecutive femoral component revisions in 24 patients were performed with an extensively hydroxyapatite-coated femoral stem. Two patients were lost to follow-up, and two patients died of unrelated causes. Of the 22 femoral revisions in 20 patients, there was a 0% incidence of mechanical loosening at average follow-up of 3.2 years (2-6.3 years). The Harris Hip Score improved from 59 (36 to 83) to 95 (84 to 100) postoperatively (p < 0.001). Rate of revision was 18.2% (4.5% for sepsis, 9.1% for instability, and 4.5% for polyethelene wear). All 22 femoral components had evidence of bone ingrowth. The extensively coated hydroxyapatite stem in this series produced excellent clinical results with a low incidence of thigh pain (4.5%) and severe stress shielding (4.5%).
1996 年 12 月至 2003 年 4 月，对 24 例患者的 26 例股骨部件进行了广泛的羟基磷灰石涂层股骨柄翻修。2 例患者失访，2 例患者因其他原因死亡。20 例患者中的 22 例股骨翻修中，平均随访 3.2 年（2-6.3 年）时机械松动的发生率为 0%。术后 Harris 髋关节评分从 59（36 至 83）提高至 95（84 至 100）（p<0.001）。翻修率为 18.2%（4.5%为感染，9.1%为不稳定，4.5%为聚乙烯磨损）。所有 22 个股骨部件均有骨长入的证据。在本系列中，广泛涂层的羟基磷灰石柄产生了极好的临床结果，大腿疼痛（4.5%）和严重的应力遮挡（4.5%）发生率较低。
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