Comparing low frequency heart rate variability and preejection period: Two sides of a different coin.

A.D. Goedhart, G. Willemsen, J.H. Houtveen, D.I. Boomsma, E.J.C. de Geus

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Abstract

It has been hypothesized that the ratio of heart rate variability in the low- (LF) and high- (HF) frequency bands may capture variation in cardiac sympathetic control. Here we tested the temporal stability of the LF/HF ratio in 24-h ambulatory recordings and compared this ratio to the preejection period (PEP), an established measure of cardiac sympathetic control. Good temporal stability was found across a period of 3.3 years (.46<r<.78), but the LF/HF ratio did not show the expected negative correlation to PEP, either between or within subjects. We conclude that the evidence to support the LF/HF ratio as a potential marker of cardiac sympathetic control in epidemiology-scaled research is currently insufficient. Copyright © 2008 Society for Psychophysiological Research.
Original languageEnglish
Pages (from-to)1086-1090
JournalPsychophysiology
Volume45
Issue number6
DOIs
Publication statusPublished - 2008

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