基于多普勒超声波的腿部血流评估在单腿膝盖伸展器运动中在不受控制的环境中进行
Jacob Peter Hartmann1, Rikke Krabek2, Stine B Nymand3
1Centre for Physical Activity Research, Copenhagen University Hospital; Department of Clinical Physiology and Nuclear Medicine, Copenhagen University Hospital; Department of Biomedical Sciences, Faculty of Health and Medical Sciences, University of Copenhagen; jacob.peter.okholm.hartmann.01@regionh.dk.
Journal of visualized experiments : JoVE
|January 1, 2024
概括
多普勒超声波显示,在运动期间测量腿部血流的日内可靠性很高. 日间可靠性是可以接受的,这使得它在临床环境中对评估腿部血管功能的有用.
科学领域:
- 身体生理学 身体生理学
- 医疗成像医学成像
背景情况:
- 多普勒超声波是评估器官血液流动在临床和研究环境中的关键工具.
- 在人类中使用多普勒超声波评估腿部肌肉血流是常见的,但需要可靠性验证.
研究的目的:
- 为了评估多普勒超声波在一天内,一天之间和两者之间的可靠性,以测量腿部血流量.
- 为了评估休息时的可靠性和分级的单腿膝盖延伸炼.
主要方法:
- 30名健康成年人 (14名男性,16名女性,年龄33±9.3) 参加了两次实验室访问,间隔10天.
- 测量包括休息的腿部血流以及在0W,6W,12W和18W单腿膝盖延伸过程中,在测试之间移除探头.
- 使用变化系数 (CV) 评估可靠性.
主要成果:
- 在不同强度的炼中观察到高日内可靠性 (CV:4.0%4.3%).
- 发现可接受的日间可靠性 (CV:10.1%20.2%) 和评价者间可靠性 (CV:17.9%26.8%).
- 在不同的练习工作负载中,可靠性是一致的.
结论:
- 多普勒超声波显示在日内高可靠性,用于评估腿部血液流动在次最大膝盖伸缩运动期间.
- 可接受的日间可靠性表明其在临床实践中的实用性,特别是当由相同的超声波医生进行时.
- 该方法可用于在动态运动条件下评估腿部血管功能,即使环境变化也可行.
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