[从失败的单腔假体转为全膝关节置换术]。

Acta ortopedica mexicana Pub Date : 2024-09-01
R Olivetto
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引用次数: 0

摘要

本文探讨了单隔间膝关节假体(UNIS)的演变和挑战,重点介绍了自 20 世纪 70 年代以来作为截骨手术替代方案的使用情况。多年来,这种假体越来越受欢迎,尽管与全膝关节置换术(TKA)相比,它们最初因较高的翻修率而受到批评。Heck 等人进行的多中心研究显示,与体重指数和女性性别相关的失败率有所增加。尽管如此,Vasso 等人最近的综述显示,UNIS 的结果有了积极的变化,尽管翻修的比例高于 TKA。他们还强调了充分选择患者、细致的手术技巧和避免过度矫正对手术成功的重要性。其中提到,外置 UNIS 虽然在全膝关节假体中只占很小的比例,但在长期存活率方面却显示出良好的效果。此外,还讨论了对假体性能至关重要的最小骨切除和聚乙烯磨损等技术问题。最后,强调了进一步研究和改进技术的必要性,以优化单间室关节置换术的效果。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
[Conversions from failed unicompartmental prostheses to total knee replacement].

The evolution and challenges of unicompartmental knee prostheses (UNIS) are addressed, highlighting their use since the 1970s as an alternative to osteotomies. Over the years, these prostheses have gained popularity, although they initially faced criticism due to higher revision rates compared to total knee arthroplasties (TKA). Multicenter studies, such as that of Heck et al., revealed an increase in failures associated with body mass index and female sex. Despite this, recent reviews, such as that of Vasso et al., have shown a positive evolution in the results of UNIS, although with a higher percentage of revisions than TKA. The importance of adequate patient selection, meticulous surgical technique, and avoidance of overcorrection for surgical success is also emphasized. It is mentioned that external UNIS, although representing a small percentage of total prosthetic knees, have shown favorable results in terms of long-term survival. In addition, technical aspects such as minimal bone resection and polyethylene wear, which are crucial for the performance of prostheses, are discussed. In conclusion, the need for further research and improvement of techniques to optimize the results of unicompartmental arthroplasties is highlighted.

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