带有双移动组件的关节整形术:一系列回顾25545例主要病例
Pierre-Alban Bouché1, Christian Brand2, Sophie Putman1
1RENACOT, Paris, France.
The bone & joint journal
|February 28, 2026
概括
双流动组件 (DMCs) 在关节整形术 (THA) 中显示出优异的长期存活率,显著降低了脱位风险. 虽然周围假肢骨折更常见,但整体修改率是有利的,支持DMC使用.
科学领域:
- 整形外科手术 整形外科手术
- 生物材料科学 生物材料科学
- 临床流行病学临床流行病学
背景情况:
- 双移动组件 (DMC) 越来越多地用于关节整形术 (THA),以提高稳定性.
- 传统的组件 (CC) 是标准的,但可能具有更高的位移率.
- 评估DMC与CC的长期结果和不良事件至关重要,特别是对于年轻的患者.
研究的目的:
- 为了比较DMCs与CCs在初级THA中的长期存活率.
- 评估不良事件的发生率,特别是周围假肢骨折和脱位.
- 分析75岁以下患者的结局.
主要方法:
- 一项基于注册表的研究分析了来自法国SOFCOT/RENACOT注册表的58,314个初级THA (2006-2023年).
- 包括25545个有DMC的THA,并将它们与具有CC的THA进行比较.
- 使用Kaplan-Meier生存分析和Cox回归模型,并根据患者和手术因素进行调整.
主要成果:
- 使用DMC并没有显著增加修订风险 (HR 0.83;p=0.118).
- 周围假肢骨折在DMC (34.5%) 与CC (15.6%) 相比较频繁,但与位相关的修订较少.
- 脱位或骨折的综合修订率在DMC (39.4%) 较CC (51.5%) 较低.
结论:
- 双流动性组件提供了优秀的长期生存率,并有效地降低了初级THA的脱位风险.
- 尽管周围假肢骨折率较高,但DMCs显示出整体良好结果.
- 建议进行持续监测,以监测与DMCs相关的风险.
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