J Clin Monit Comput - A comparative study of pulse rate variability and heart rate variability in healthy subjects.

Tópicos

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Resumo

Both heart rate variability (HRV) and pulse rate variability (PRV) are noninvasive means for the assessment of autonomic nervous control of the heart. However, it is not settled whether or not the PRV obtained from either hand can be the surrogate of HRV. The HRV measures obtained from electrocardiographic signals and the PRV measures obtained from the pulse waves recorded from the index fingers of both hands were compared in normal subjects by using linear regression analysis and Bland and Altman method. Highly significant correlations (P?<?0.001, 0.89?<?r?<?1.0) were found between all HRV measures and the corresponding PRV measures of both hands. However, there were insufficient agreements in some measures between pairwise comparisons among HRV, right PRV and left PRV except heart rate and ultra-low frequency power (ULFP). The PRV of either hand is close to, but not the same as the HRV in healthy subjects. The HRV, right PRV and left PRV are not surrogates of one another in normal subjects except heart rate and ULFP. Since HRV is generally accepted as the standard method for the assessment of the autonomic nervous modulation of a subject, the PRV of either hand may not be suitable for the assessment of the cardiac autonomic nervous modulation of the subject.

Resumo Limpo

heart rate variabl hrv puls rate variabl prv noninvas mean assess autonom nervous control heart howev settl whether prv obtain either hand can surrog hrv hrv measur obtain electrocardiograph signal prv measur obtain puls wave record index finger hand compar normal subject use linear regress analysi bland altman method high signific correl p r found hrv measur correspond prv measur hand howev insuffici agreement measur pairwis comparison among hrv right prv left prv except heart rate ultralow frequenc power ulfp prv either hand close hrv healthi subject hrv right prv left prv surrog one anoth normal subject except heart rate ulfp sinc hrv general accept standard method assess autonom nervous modul subject prv either hand may suitabl assess cardiac autonom nervous modul subject

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