不结合类型K-NOW全肘关节整形术的中期临床结果
Tomoki Matsuo1, Takuji Iwamoto1, Yasuhiro Kiyota1
1Department of Orthopaedic Surgery, Keio University School of Medicine, Tokyo, Japan.
The bone & joint journal
|October 31, 2025
概括
无链接的K-NOW全肘关节整形术与无固定显示了良好的中期结果,改善了运动范围和功能. 这种肘部置换技术提供了有希望的生存率,并发症发生率低.
科学领域:
- 整形外科手术 整形外科手术
- 生物材料工程 生物材料工程
- 医疗器械技术 医疗器械技术
背景情况:
- 整体肘部关节整形术 (TEA) 是对严重的肘部关节破坏的重建选择.
- 在TEA中无固定旨在改善长期植入物稳定性和骨整合.
- 无链接的K-NOW假肢是一种专门用于整体肘部置换的设计.
研究的目的:
- 评估未连接的K-NOW全肘关节整形手术的中期临床结果.
- 为了评估K-NOW假肢的无固定后的并发症率和生存率.
- 分析运动范围的功能性改善和患者报告的得分.
主要方法:
- 使用未连接的K-NOW假肢 (无固定) 进行41个初级TEA的回顾性分析.
- 对37名患者 (41个肘部) 进行至少两年的随访.
- 临床评估包括运动范围 (ROM) 和梅奥肘性能得分 (MEPS);生存分析使用卡普兰-梅尔方法.
主要成果:
- 在手术后五年观察到ROM (p < 0.001) 和MEPS (p < 0.001) 的显著改善.
- 并发症率为14.6% (无菌松动7.3%,周围假肢骨折7.3%).
- 宽松和修订的五年生存率分别为92.7%和97.1%.
结论:
- 未结合的K-NOW TEA与无固定显示了有利的中期临床结果和生存率.
- 运动范围的改善和梅奥肘部表现得分得到了注意.
- 对于患有骨质疏松症或不稳定的患者来说,可以考虑固化固定或三关闭方法,以减轻早期并发症.
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