Does Paced Breathing Improve the Reproducibility of Heart Rate Variability Measurements?
Does Paced Breathing Improve the Reproducibility of Heart Rate Variability Measurements?
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DOI：
10.2114/jpa2.28.225
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发表时间：
2009-09-01
影响因子：
3.1
通讯作者：
Kobayashi, Hiromitsu
中科院分区：
文献类型：
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作者：
Kobayashi, Hiromitsu
本文观察了55例20~54岁男性受试者起搏呼吸(PB)对心率变异性(HRV)测量重复性的影响。在两种呼吸状态(自发和4s PB)和两种体位(站立和仰卧)下测量心率变异性的频谱成分。这些程序在第一次测量后3周重复进行。根据205s心电记录计算心率变异性的对数变换低频(InLF)和高频(InHF)分量。铅对INHF和InLF的个体间变异系数(约13-16%)和频率分量的个体内变异(5-6%)无显著影响。两种体位的心率、InHF和InLF的个体内变异系数均与年龄无关。铅对个体内变异的影响大小在-0.04~0.13之间。尽管PB在某些情况下组内相关系数(ICCs)略有改善，但差异可以忽略不计。上述结果表明，PB对HRV测量的重复性改善有限，如果提醒受试者避免不规则呼吸，HRV测量不一定需要节拍器引导的呼吸。J Phlysiol Anthropol28(5)：225-230,2009年http://www.jstage.jst.gojp/browse/jpa2[doi：10.2114/jpa2.28.225]
The effects of paced breathing (PB) on the reproducibility of heart rate variability (HRV) measurements were examined in 55 male subjects (age range: 20-54 years). Spectral components of HRV were measured under a combination of two respiratory conditions (spontaneous and 4s PB) and two postures (standing and supine). The procedures were repeated 3 weeks after the first measurement. Log-transformed low-frequency (InLF) and high-frequency (InHF) components of HRV were calculated from a 205s electrocardiography (ECG) recording. The coefficients of interindividual variations of InHF and InLF (ca. 13-16%) and the intraindividual variations of the frequency components (5-6%) were not significantly affected by PB. The coefficients of intraindividual variation of heart rate, InHF and InLF did not correlate with age in either posture. Effect sizes of PB on the intraindividual variation ranged from -0.04 to 0.13. Although intraclass correlation coefficients (ICCs) were slightly improved by PB in some cases, the differences were negligible. The above results suggest that PB provides a limited improvement in the reproducibility of HRV measurements, and metronome-guided respiration is not necessarily required for HRV measurement if subjects are reminded to avoid irregular respiration. J Phlysiol Anthropol 28(5): 225-230, 2009 http://www.jstage.jst.gojp/browse/jpa2 [DOI: 10.2114/jpa2.28.225]