机械测试作为一个额外的决策支持工具,用于安全地移除Ilizarov圆形外部固定装置
Yulin Xu1, Jialin Liu2, Jinghong Yang1
1Department of Orthopaedics, the Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan, China.
European journal of medical research
|February 7, 2025
概括
轴承负载比率测试有效地降低了Ilizarov外固定装置移除后的折射率. 这种定量方法为固定装置的移除提供了安全的极限,改善了肢体延长手术患者的结果.
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
- 再生医学是一种再生医学.
背景情况:
- 外部固定对于肢体延长和骨缺陷重建至关重要.
- 确定移除外部固定装置的最佳时间对于防止折射等并发症至关重要.
- 目前的方法依赖于临床判断和放射学,这可能是主观的.
研究的目的:
- 评估轴承负载共享 (LS) 比率作为体内决策支持工具的有效性,以安全地去除Ilizarov外部固定器.
- 为了比较标准临床评估和通过LS比率测试补充的评估之间的折射率.
主要方法:
- 对83名患者进行前性观察性研究,这些患者经历了带有Ilizarov外部固定装置的小腿骨或大腿骨延长.
- 组I (n=38):根据临床经验和X线图,去除固定器.
- 组II (n=45):除了标准评估之外,通过LS比率测试 (10%以下表示足够的骨愈合) 引导固定器去除.
主要成果:
- 群体之间没有显著的人口统计差异.
- 第一个组的折射率为10.5% (4/38名患者).
- 第二组实现了0%的折射率 (0/45名患者),与第一组相比,统计学上有显著差异 (P<0.05).
结论:
- 轴负载比率提供了一种定量和可靠的方法,用于在移除外部固定器之前评估骨再生愈合.
- 轴负载比率低于10%被认为是拆除Ilizarov圆形外部固定装置的安全门.
- 通过LS比率测试来补充临床和放射性评估,可以显著降低折射率,提高治疗成功率.
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