单阶段和双阶段修订之间没有失调率差距,没有无双流动性杯
Justine Bidard1, Nory Elhadjene2, Nicolas Zadel1
1Orthopaedic and Traumatology Surgery, Saint-Etienne University Hospital, Jean Monnet University, 42055 Saint-Etienne Cedex 2, France.
SICOT-J
|March 6, 2026
概括
双流动性杯 (DMC) 在单阶段和两阶段修复关节整形术中显示出类似的脱位率. 这一发现支持DMC在复杂的关节修复手术中的实用性,无论手术方法如何.
科学领域:
- 整形外科手术 整形外科手术
- 生物医学工程 生物医学工程
- 临床研究 临床研究
背景情况:
- 关节整形脱是一个显著的并发症,在修复病例中发生率更高,特别是那些涉及假肢关节感染和两阶段手术的病例.
- 双流动性杯 (DMC) 在修复关节整形术中显示出潜力,但与其他技术的直接比较是有限的.
- 这项研究调查了无水泥DMC在单阶段和两阶段修复关节整形术 (THA) 期间减少脱位率的有效性.
研究的目的:
- 为了比较单阶段和双阶段修改THA之间的失位率,使用无水泥双流动性杯 (DMC).
- 为了评估两种手术方法之间的无脱生存率,再修改率和死亡率.
- 为了确定与修复关节整形术中脱相关的风险因素.
主要方法:
- 从2011年1月到2020年12月进行了一项单一中心的回顾性病例控制研究.
- 40名接受双阶段修订THA和DMC的患者与80名根据年龄,性别和帕普洛斯基等级进行单阶段修订THA的对照进行了匹配.
- 主要终点是位率,次要终点包括无位生存率和再修订率.
主要成果:
- 在两阶段 (7.5%) 和单阶段 (3.8%) 修订THA (p=0.40) 之间没有观察到异位率的显著差异.
- 在单变体分析中,自发炎性疾病和免疫抑制剂的使用被确定为脱位的危险因素.
- 无位生存率 (p=0.40),再修订率 (p=0.92) 和死亡率在两组之间没有显著差异.
结论:
- 无水泥双流动性杯 (DMC) 在单阶段和两阶段修复全关节整形术 (THA) 中表现出可比的脱位率.
- 这些发现表明,DMC是复杂的关节修复病例中管理不稳定的可行选择.
- 建议进行进一步的研究,以充分阐明DMC在预防脱位方面的益处,特别是在两阶段修订THA程序中.
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