Department of Orthopaedic Surgery, University of Louisville, School of Medicine, Louisville, KY 40202, USA.
J Arthroplasty. 2009 Oct;24(7):1068-73. doi: 10.1016/j.arth.2008.07.008. Epub 2008 Sep 26.
Biologic ingrowth can be difficult to achieve in acetabular component revision, especially in cases with significant bone loss. The purpose of this study was to review our clinical results of acetabular component revisions in patients with significant bone loss using a porous tantalum biomaterial. This is a retrospective review of 25 patients. There were 16 females and 9 males with a mean age of 71.7 +/- 10.54 years. The mean follow up was 39 +/- 11.09 months (range, 28-55 months). All patients in this series had combined segmental and cavitary bone loss, Paprosky type 2 or type 3. Of 22 patients in this series, 21 had a well-fixed and functioning implant at latest follow up. All 21 patients developed ingrowth along the tantalum surface despite compromised host bone. There were no cases of dislocation or aseptic loosening. Porous tantalum appears to be a promising material for use in revision hip arthroplasty to facilitate biologic ingrowth in patients with acetabular bone loss.
生物性内生长在髋臼组件翻修中可能难以实现，尤其是在严重骨质流失的情况下。本研究旨在回顾使用多孔钽生物材料治疗严重骨质流失患者的髋臼组件翻修的临床结果。这是对 25 名患者的回顾性研究。其中女性 16 名，男性 9 名，平均年龄 71.7 +/- 10.54 岁。平均随访时间为 39 +/- 11.09 个月（范围 28-55 个月）。本系列所有患者均存在节段性和腔性骨质流失，Paprosky 2 型或 3 型。在本系列的 22 名患者中，21 名在最新随访时具有固定良好且功能正常的植入物。尽管宿主骨受到影响，所有 21 名患者的钽表面都出现了内生长。没有脱位或无菌性松动的病例。多孔钽似乎是一种有前途的材料，可用于髋关节翻修术，以促进髋臼骨质流失患者的生物性内生长。
