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早期股骨远端假体生存率:骨水泥柄与Compress植入物的对比

Early distal femoral endoprosthetic survival: cemented stems versus the Compress implant.

作者信息

Bhangu A A, Kramer M J, Grimer R J, O'Donnell R J

机构信息

Royal Orthopaedic Hospital NHS Trust, Woodlands, Northfield, Birmingham, UK.

出版信息

Int Orthop. 2006 Dec;30(6):465-72. doi: 10.1007/s00264-006-0186-8. Epub 2006 Sep 16.

Abstract

Aseptic loosening is well known following endoprosthetic replacement (EPR) using cemented intramedullary stems (CISs). The Compress (CPS) implant uses a novel spring system, achieving immediate, high compression fixation that induces bone hypertrophy and avoids stress shielding. We compared 26 oncologic distal femoral CPS patients treated at the University of California, San Francisco (UCSF, USA) with 26 matched CIS patients from the Royal Orthopaedic Hospital, Birmingham (ROH, UK). The predominant diagnosis was osteosarcoma. Each centre had only one device-related prosthetic failure. In the short term these results show CPS to be safe and effective. We await longer follow-up to assess the ongoing potential for prosthetic failure.

摘要

使用骨水泥型髓内柄进行假体置换(EPR)后,无菌性松动是众所周知的。Compress(CPS)植入物采用了一种新型弹簧系统,实现了即时的高压缩固定,可诱导骨肥大并避免应力遮挡。我们将美国加利福尼亚大学旧金山分校(UCSF)治疗的26例肿瘤性股骨远端CPS患者与英国伯明翰皇家骨科医院(ROH)的26例匹配的CIS患者进行了比较。主要诊断为骨肉瘤。每个中心只有1例与器械相关的假体失败。短期内,这些结果表明CPS是安全有效的。我们等待更长时间的随访,以评估假体失败的持续可能性。

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