在休息和深呼吸期间的心率变化的稳定性进行一周的测试-重新测试
Andy Schumann1, Franziska Lukas1, Katrin Rieger1
1Lab for Autonomic Neuroscience, Imaging and Cognition (LANIC), Department of Psychosomatic Medicine and Psychotherapy, Jena University Hospital, Jena, Germany.
Physiological measurement
|January 24, 2025
概括
心率变化 (HRV) 评估的可靠性因测量而异. 静止时的时间域HRV指数显示出良好的测试-重新测试稳定性,这表明对心脏自主功能评估的可靠临床应用.
科学领域:
- 心脏病学和自主神经系统研究
- 生物医学信号处理和分析.
背景情况:
- 心率变化 (HRV) 是心脏自主功能的关键指标.
- 准确可靠的HRV评估对于临床应用至关重要.
- 测试-重新测试稳定性是评估HRV测量的可靠性的关键指标.
研究的目的:
- 评估各种心率变化指数 (HRV) 的测试-重新测试稳定性.
- 在相同的条件下重复测量时确定HRV测量的一致性.
- 确定哪些HRV测量方法在临床使用中最可靠.
主要方法:
- 这是一项涉及49名健康参与者的观察性研究.
- 记录了20分钟的心电图在休息和深呼吸期间在一周内两次会议.
- 通过时间域,频率域,非线性动态和复杂度指标分析HRV;通过类内相关性 (ICC) 和变化系数 (CVs) 评估稳定性.
主要成果:
- 休息时HRV的试验复试可靠性 (ICC) 从0.50到0.83不等,CVs从5%到41%.
- 时间域和非线性HRV测量结果显示实质性到近乎完美的一致性.
- 频谱HRV测量不太可靠;复杂性测量具有较低的CV,但相关性有限.
结论:
- 心率变化 (HRV) 的测试-重新测试稳定性高度依赖于所采用的特定措施.
- 静止状态下测量的时间域HRV指数为评估心脏自主功能提供了可靠和一致的结果.
- 可能需要进一步的研究来优化其他HRV指标的可靠性.
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