使用机械对齐指南和基于CT的导航系统评估手术内大腿茎逆转的准确性
Yoshinobu Masumoto1,2, Shigeo Fukunishi2, Takuya Nakai2
1Orthopaedic Surgery, Kawasaki Hospital, Kobe, JPN.
Cureus
|January 26, 2026
概括
在全关节整形术 (THA) 中,精确的股骨干前转变测量至关重要. 与机械指南相比,基于手术内CT的导航提供了更高的准确性,用于测量茎前转,改善THA结果.
科学领域:
- 整形外科手术 整形外科手术
- 医疗成像医学成像
- 生物医学工程 生物医学工程
背景情况:
- 在全关节整形术 (THA) 中,植入物定位显著影响寿命,结果和并发症.
- 基于CT导航的骨部件精度正在研究中,但大腿茎前转精度的精度需要更多的研究.
研究的目的:
- 为了比较基于手术内CT导航与机械对齐指南的准确性,用于测量THA中的大腿茎前转.
主要方法:
- 包括83名接受初级THA或双极性心关节整形手术的患者.
- 腿部茎前倒转同时使用基于CT的导航和机械对齐指南进行测量.
- 使用3D坐标系统将手术期间的测量与手术后的测量值进行了比较.
主要成果:
- 机械对齐指南显示,与术后测量相比,平均绝对差异为7.6° ± 5.2°.
- 基于CT的导航显示平均绝对差异明显较低,为2.9° ± 3.1° (p = 0.001).
结论:
- 基于手术内CT的导航可以比机械对齐指南更准确地测量股骨干前转.
- 提高干部逆转前测量的准确性可以导致更好的THA结果.
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