全膝关节置换术中无骨水泥高多孔钛胫骨基板的中期结果。

Smit N. Shah, N. Coulshed, R. Sorial
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引用次数: 0

摘要

引言和目的TKA在更活跃和年轻的患者中引起了人们对骨与非骨水泥成分整合的更持久和生物方法的兴趣。随着多孔钛等改良生物材料的出现和成功,寻找具有长期耐久性和存活率的无水泥TKA可能已经结束。这是一项对492例使用非骨水泥胫骨内固定的连续TKA的回顾性研究,报告了早期4年的临床和放射学结果。方法我们研究了492例TKA,由一名外科医生于1月1日连续进行。2010年和12月31日。2015年,使用无骨水泥固定胫骨托(多孔Regenerex、Vanguard、Zimmer Biomet)和无骨水泥股骨组件(Vanguard),无排除标准。对这些患者进行了临床和放射学随访,此外对整个队列进行了全面的联合登记审查(II级证据)。结果最终随访时膝关节社会评分平均为89.33,术前平均为42.06。术后WOMAC平均得分为43.45,术前平均得分为77.78。在放射学检查中,没有患者出现胫骨底板周围骨溶解。在我们的系列中,9名患者接受了翻修,其中只有4名患者进行了胫骨托和股骨组件的翻修,5名患者进行髌骨表面置换或衬垫置换。根据AOANJRR的综合数据,非骨水泥胫骨组件的总生存率非常好,5.9年时的生存率为99.4%。结论使用多孔钛结构的非骨水泥胫骨内固定可以在胫骨侧提供稳定的骨向内生长固定,并具有良好的可预测的早期4至5年的临床和放射学结果。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Cementless Highly Porous Titanium Tibial Base Plate in Total Knee Arthroplasty – Midterm Outcomes.
Introduction & Aims TKA in more active and young patients has prompted the interest in more durable and biological methods of Osteo-integration with cementless components. With the emergence of improved biomaterials like porous titanium and the success, search for a cementless TKA with long-term durability and survivorship may have ended. This is a retrospective study of 492 consecutive TKAs using Cementless tibial fixation, reporting on the early 4 years clinical and radiological outcomes. Method We studied 492 TKAs performed consecutively by a single surgeon between 1stJan. 2010 and 31stDec. 2015 using a cementless, fixed bearing tibial tray (porous–Regenerex, Vanguard, Zimmer-Biomet) and a cementless femoral component (Vanguard) with no exclusion criteria. Clinical and radiological follow-up was done on these patients and in addition a comprehensive joint registry review was performed on the whole cohort (Level II evidence). Results  The average Knee Society Score at final follow-up was 89.33, average pre-op being 42.06. Average post-op WOMAC score was 43.45 and average pre-op was 77.78. On radiological examination, no patients had osteolysis around tibial base plate. In our series 9 patients were revised, out of which only 4 patients had the tibial tray and femoral component revised and 5 patients had patella resurfacing or liner exchange. Overall survivorship of the cementless tibial component is excellent with a survivorship of 99.4% at 5.9 years based on a comprehensive AOANJRR data. Conclusions Cementless tibial fixation using a porous titanium construct  can provide stable bone ingrowth fixation on the tibial side with excellent and predictable early 4 to 5 year clinical and radiological outcomes.
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