反侧脚关节是一个可靠的参考,用于测试使用双边外部扭矩CTCT的综合性稳定性
Anna-Katharina Calek1, Esteban Ongini2, Bettina Hochreiter1
1Department of Orthopedics, Balgrist University Hospital, University of Zurich, Zurich, Switzerland.
Foot & ankle international
|July 30, 2024
概括
外部扭矩装置可靠地通过比较健康的侧面来评估脚综合症的稳定性,观察到的差异很小. 这种方法有助于检测细微的脚不稳定性,指导临床治疗决策.
科学领域:
- 骨科生物力学 骨科生物力学
- 放射性成像分析的分析.
- 脚关节诊断 脚关节诊断 脚关节诊断
背景情况:
- 细微的慢性或潜伏的脚不稳定性是当前方法难以诊断的挑战.
- 关节功能评估在诊断综合性损伤时是有限的.
- 在尸体研究中,双边外部扭矩计算断层扫描 (CT) 方法在检测综合性损伤方面表现有前途.
研究的目的:
- 评估外部扭矩装置在健康年轻成年人中评估综合症稳定性的有效性.
- 为了比较不同扭矩水平下对侧脚关节之间的测量.
- 建立基线数据以识别潜在的综合症不稳定性.
主要方法:
- 十名健康人接受了四次CT扫描,使用外部扭矩装置施加0,2.5,5和7.5Nm的外部旋转.
- 分析了包括前距离 (AD),小骨清空 (TCS),后距离 (PD),外部旋转 (ER) 和β角度在内的放射测量.
- 对每个受试者的左和右脚关节之间的测量结果进行了比较.
主要成果:
- 增加外部扭矩导致AD,ER和β角度略微增加,TCS和PD略微减少.
- 在所有参数中观察到显著的个体间变异性.
- 个体内副作用差异很小,在AD中观察到的最小差异 (最大0.5毫米).
结论:
- 反侧健康脚作为一个可靠的参考来评估使用外部扭矩装置的综合性稳定性.
- 侧面差异超过AD的0.5毫米或PD的0.9毫米可能表明显著的综合症不稳定性.
- 需要进一步的研究来确定确切的切断值来诊断急性和慢性综合症的不稳定性.
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