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Medium-term follow-up of 92 femoral component revisions using a third-generation cementing technique

机译:使用第三代固井技术对92例股骨成分进行中期随访

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摘要

Background and purpose — Very little has been published on the outcome of femoral cemented revisions using a third-generation cementing technique. We report the medium-term outcome of a consecutive series of patients treated in this way.Patients and methods — This study included 92 consecutive cemented femoral revisions performed in our department with a third-generation cementing technique and without instrumented bone impaction grafting between 1996 and 2007. The average age of the patients at revision was 66 (25–92) years. None of the patients were lost to follow-up. At review in December 2013, 55 patients were still alive and had a non-re-revised femoral revision component in situ after a mean follow-up of 11 (5–17) years.Results — The mean preoperative Harris hip score was 50, and improved to 73 at final follow-up. 2 patients died shortly after the revision surgery. 1 stem was re-revised for aseptic loosening; this was also the only case with radiolucent lines in all 7 Gruen zones. A femoral reoperation was performed in 19 hips during follow-up, and in 14 of these 19 reoperations the femoral component was re-revised. Survivorship at 10 years, with femoral re-revision for any reason as the endpoint, was 86% (95% CI: 77–92). However, excluding 8 patients with reinfections after septic index revisions and 1 with hematogenous spread of infection from the survival analysis, the adjusted survival for re-revision for any reason at 10 years was 92% (95% CI: 83–96). With re-revision for aseptic loosening as endpoint, the survival at 10 years was 99% (CI: 90–100).Interpretation — Femoral component revision with a third-generation cemented stem results in acceptable survival after medium-term follow-up. We recommend the use of this technique in femoral revisions with limited loss of bone stock.
机译:背景与目的—关于使用第三代固井技术进行股骨固位翻修的结果的报道很少。我们报告了以这种方式治疗的一系列连续患者的中期结果。患者和方法—本研究包括在我们科室进行的92例连续性股骨翻修术,采用的是第三代骨水泥技术,并且在1996年至2006年之间未进行任何仪器的骨冲击移植2007年。接受修订的患者的平均年龄为66(25-92)岁。没有患者失去随访。在2013年12月进行的回顾中,有55位患者仍活着,平均随访11(5–17)年,原位未经修订的股骨翻修组件。结果—术前Harris髋关节评分平均为50,并在最终随访中提高到73。翻修手术后不久有2例患者死亡。再次修订了1个茎以进行无菌性松动;这也是在所有7个Gruen区域中唯一具有射线可透线的情况。随访期间,对19例髋关节进行了股骨再手术,在这19例再手术中,有14例的股骨成分被重新修订。以任何原因进行股骨翻修为终点的10年生存率为86%(95%CI:77–92)。但是,从生存率分析中排除了8例败血症指数修订后发生再感染的患者和1例血行感染扩散后再感染的患者,由于任何原因在10年后再次修订的调整生存率为92%(95%CI:83-96)。以无菌性松动的重新修订为终点,其10年生存率为99%(CI:90–100)。解释—中期随访后,使用第三代骨干进行股骨组件修订可得到可接受的生存。我们建议在股骨缺损有限的股骨翻修术中使用该技术。

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