初次全膝关节置换术后因假体旋转不良行膝关节翻修的获益。
The benefit of revision knee arthroplasty for component malrotation after primary total knee replacement.
机构信息
Division of Orthopaedic Surgery, Mount Sinai Hospital, 600 University Ave Suite 476A, Toronto, Ontario, M5G 1X5, Canada.
出版信息
Int Orthop. 2012 Dec;36(12):2473-8. doi: 10.1007/s00264-012-1675-6. Epub 2012 Oct 16.
Abstract
PURPOSE
Revision surgery for component malrotation in the painful TKA is a relatively novel indication. The purpose of this study was to assess the benefit of revision TKA for component malrotation with regard to the clinical and functional outcomes.
METHODS
Our retrospective case-control study included 51 patients who underwent revision surgery for malrotation with mean follow up of 42 months. They were equally matched to patients who had surgery for aseptic loosening.
RESULTS
Knee society scores improved from 44/49 to 75/60 (p < 0.001) for the study group and 44/47 to 76/57 (p < 0.001) for the control group. There was no statistical difference between the groups, including for VAS scores, narcotic reduction or patient satisfaction. Our study showed that revision surgery for malrotation is as beneficial as surgery for aseptic loosening with regard to clinical and functional outcome.
CONCLUSIONS
We recommend CT in painful TKA to assess component malrotation for which revision TKA is beneficial.
摘要
目的
对于疼痛性全膝关节置换术中的组件旋转不良，翻修手术是一种相对较新的适应证。本研究的目的是评估翻修全膝关节置换术治疗组件旋转不良的临床和功能效果。
方法
我们的回顾性病例对照研究纳入了 51 例因旋转不良而行翻修手术的患者，平均随访 42 个月。他们与因无菌性松动而行手术的患者相匹配。
结果
研究组的膝关节协会评分从 44/49 提高到 75/60（p<0.001），对照组从 44/47 提高到 76/57（p<0.001）。两组之间在 VAS 评分、阿片类药物减少或患者满意度方面均无统计学差异。我们的研究表明，对于旋转不良的翻修手术与无菌性松动的手术一样，在临床和功能效果方面是有益的。
结论
我们建议在疼痛性全膝关节置换术中进行 CT 检查，以评估组件旋转不良的情况，从而进行翻修全膝关节置换术。
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