基于超声波的旋转手套肌肉质量的定量评估
Andrew J Nasr1, Henry Wang2, Michael Khazzam3
1School of Physical Therapy, Texas Woman's University, Dallas, Texas, USA.
PM & R : the journal of injury, function, and rehabilitation
|February 9, 2026
概括
定量超声波技术可以在眼中评估旋转手套肌肉质量. 虽然剪切波速度和横截面积相关,但它们与强度的联系在临床应用中是有限的.
科学领域:
- 肌肉骨成像技术 肌肉骨成像技术
- 骨科生物力学 骨科生物力学
- 诊断性超声波的使用
背景情况:
- 旋转袖口撕裂导致脂肪透和肌肉缩,影响患者的结果.
- 定量超声波,包括B模式和剪切波弹性图 (SWE),为评估软组织形态和机制提供了新的方法.
研究的目的:
- 评估B模式超声波和SWE的联合使用,以量化旋转手腕肌肉质量.
- 评估剪切波速度 (SWS) 和横截面积 (CSA) 测量的心理特征.
主要方法:
- 研究了20名有和没有旋转手套撕裂的参与者 (共32个肩膀).
- 测量包括SWS通过SWE和CSA通过使用线性传感器的B模式超声波.
- 用手持式动力表来评估肌肉力量;在被动和活性条件下计算SWS和CSA的心理特征.
主要成果:
- 对于旋转带撕裂的上,SWS的标准测量误差为0.195m/s,最小可检测差异为0.541m/s.
- 对于旋转带撕裂的上,CSA的标准测量误差为0.265 cm2,最小可检测差异为0.733 cm2.
- 在被动平均SWS和CSA之间发现了一种强烈的相关性 (r=0.652,p=0.003).
结论:
- 在旋转袖口撕裂的患者中,上脊柱的SWS和CSA之间存在显著的正相关性.
- 与主动条件相比,SWS和CSA的被动状态评估显示出优越的心理测量特性.
- 由于SWS与肌肉力量之间缺乏关联,因此SWE在量化旋转手腕肌肉质量的临床应用受到限制.
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