An Overview of Heart Rate Variability Metrics and Norms.
An Overview of Heart Rate Variability Metrics and Norms.
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DOI：
10.3389/fpubh.2017.00258
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发表时间：
2017
影响因子：
5.2
通讯作者：
Ginsberg JP
中科院分区：
文献类型：
--
作者：
Shaffer F;Ginsberg JP
健康的生物系统表现出复杂的可变性模式，可以用数学混沌来描述。心率变异性(HRV)包括连续心跳之间的时间间隔的变化，称为心跳间隔(IBIS)。健康的心脏不是节拍器。健康心脏的振荡是复杂和不断变化的，这使得心血管系统能够迅速调整，以适应突然的生理和心理挑战，以实现体内平衡。本文简要综述了产生24 小时、短期(~5 分钟)和超短期(<；5 分钟)心率变异性的机制、心率变异的重要性及其对健康和表现的影响。作者提供了广泛使用的心率变异性的时域、频域和非线性指标的概述。时间域指数量化监测期间观察到的心率变异性的量，范围从~2 分钟到24 小时。频域值计算各分量带内信号能量的绝对或相对量。非线性测量量化了一系列IBIS的不可预测性和复杂性。作者的调查公布了临床、健康和最佳表现人群的标准值。他们强调测量环境的重要性，包括记录期间长度、受试者年龄和性别对基线心率变异值的影响。他们警告说，24 h、短期和超短期规范性价值不能互换。他们鼓励专业人员用他们自己的专业人群的研究结果来补充已公布的规范。最后，作者提供了临床和最佳绩效干预的HRV评估策略的概述。
Healthy biological systems exhibit complex patterns of variability that can be described by mathematical chaos. Heart rate variability (HRV) consists of changes in the time intervals between consecutive heartbeats called interbeat intervals (IBIs). A healthy heart is not a metronome. The oscillations of a healthy heart are complex and constantly changing, which allow the cardiovascular system to rapidly adjust to sudden physical and psychological challenges to homeostasis. This article briefly reviews current perspectives on the mechanisms that generate 24 h, short-term (~5 min), and ultra-short-term (<5 min) HRV, the importance of HRV, and its implications for health and performance. The authors provide an overview of widely-used HRV time-domain, frequency-domain, and non-linear metrics. Time-domain indices quantify the amount of HRV observed during monitoring periods that may range from ~2 min to 24 h. Frequency-domain values calculate the absolute or relative amount of signal energy within component bands. Non-linear measurements quantify the unpredictability and complexity of a series of IBIs. The authors survey published normative values for clinical, healthy, and optimal performance populations. They stress the importance of measurement context, including recording period length, subject age, and sex, on baseline HRV values. They caution that 24 h, short-term, and ultra-short-term normative values are not interchangeable. They encourage professionals to supplement published norms with findings from their own specialized populations. Finally, the authors provide an overview of HRV assessment strategies for clinical and optimal performance interventions.
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