PMID: 8946343Nov 6, 1996Paper

Cardiac spectral power reflects parasympathetic but not sympathetic nervous system activity in a clinical population

Journal of the Autonomic Nervous System
E R MuthB Dubeshter

Abstract

The purpose of this short communication is to report our clinical findings regarding the use of the low frequency (LF, 0.02-0.15 Hz) and high frequency (HF, > 0.15 Hz) components of the spectral decomposition of heart-rate as indices of sympathetic (SNS) and parasympathetic nervous system (PNS) activity, respectively. Thirty-two females with histologically confirmed ovarian cancer, ranging in age from 46-72 years, participated in an autonomic assessment protocol consisting of a resting heart rate recording and several ANS function tests. The LF, HF and total power measures from the spectral decomposition were highly correlated with one another. In addition, the spectral components were most highly correlated with measures of PNS activity, i.e. standard deviation of heart rate at rest and the ratio of the six longest to the six shortest R-R intervals during deep breathing (E:I ratio). It is concluded, as other researchers have stated, that the use of the HF component of the HR spectrum as a measure of PNS activity is warranted, but caution must be used when interpreting the LF component.

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Citations

Aug 25, 2005·Clinical Physiology and Functional Imaging·Michal JavorkaKamil Javorka
Nov 27, 2008·Anesthesiology·Martin Neukirchen, Peter Kienbaum
Jun 21, 2008·Netherlands Heart Journal : Monthly Journal of the Netherlands Society of Cardiology and the Netherlands Heart Foundation·P van VlietM-J Goumans
Jun 2, 2009·Netherlands Heart Journal : Monthly Journal of the Netherlands Society of Cardiology and the Netherlands Heart Foundation·S A J ChamuleauR Bolli
Aug 9, 2002·Upsala Journal of Medical Sciences·D Carlander, A Larsson
Jan 22, 2019·Frontiers in Nutrition·Henri G Laurie RauchEstelle Victoria Lambert

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