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在青少年中使用两种不同的设备进行重复评估时,脉冲波速度和增强指数的可重复性和一致性
Wesley Torres1,2, Earric Lee3,4, Emilia Laitinen2
1Laboratory of Investigation in Exercise (LIVE), São Paulo State University (UNESP), School of Technology and Sciences, Presidente Prudente, Brazil.
Clinical physiology and functional imaging
|January 30, 2026
概括
脉冲波速度 (PWV) 和增强指数 (AIx%) 的测量显示了青少年的可变可靠性. 脉冲笔显示出比动脉计更好的PWV可复制性,这表明在解释动脉计数据时需要谨慎.
科学领域:
- 心血管生理学心血管生理学
- 生物医学工程 生物医学工程
- 儿科健康 儿科健康
背景情况:
- 脉冲波速度 (PWV) 和增强指数 (AIx%) 是动脉刚性的关键指标.
- 在青少年中评估这些参数需要可靠和可重复的测量技术.
- 了解控制与现实环境对这些测量的影响对于临床应用至关重要.
研究的目的:
- 为了比较控制的禁食条件和不受控制的现实环境之间的PWV和AIx%测量的一致性.
- 为了评估PWV和AIx%测量的可重复性,在控制的禁食条件下,在重复访问中重复测量.
- 评估两种设备的性能,PulsePen和动脉计,测量青少年的PWV和AIx%.
主要方法:
- 在28名青少年 (年龄在12-14岁) 中测量了PWV和AIx%在一次不受控制的访问和三次受控的禁食访问期间.
- 在受控条件下,在躺着休息10分钟后进行测量.
- 使用类内相关系数 (ICC) 来评估设备和条件之间的一致性和可重复性.
主要成果:
- 在受控条件下,PulsePen显示了PWV的更好的可重现性,与动脉计相比.
- 这两种设备的可靠性有限,AIx%测量的变异性很高.
- 对于PWV和AIx%来说,两种设备之间的一致性都很差.
结论:
- 该PulsePen设备展示了在青少年医疗保健环境中可靠的PWV测量潜力.
- 对于PWV和AIx%的动脉谱衍生结果需要谨慎解释,因为复制性和一致性较低.
- 由于设备的显著不一致性,不建议直接比较PulsePen和动脉计数据.
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