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Measuring Cardiac Autonomic Nervous System ANS Activity in Children
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Measuring Cardiac Autonomic Nervous System ANS Activity in Children

Published on: April 29, 2013

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Cardiac autonomic function and its association with cardiometabolic disease risk factors in Black South African

Anneke van Biljon1, Andrew J McKune2, Katrina D DuBose3

  • 1Department of Biokinetics and Sports Science, University of Zululand, South Africa.

Autonomic Neuroscience : Basic & Clinical
|May 25, 2019
PubMed

Insights

Higher resting parasympathetic activity in children is linked to fewer cardiometabolic disease risks and increased HDL cholesterol. This finding highlights the protective role of autonomic nervous system balance in pediatric health.

Area of Science:

  • Cardiology
  • Pediatrics
  • Autonomic Nervous System Research

Background:

  • Cardiometabolic disease (CMD) risk factors are a growing concern in pediatric populations.
  • Understanding the role of the cardiac autonomic nervous system (ANS) in CMD development is crucial for early intervention.

Purpose of the Study:

  • To investigate the association between cardiac autonomic nervous system (ANS) activity and cardiometabolic disease (CMD) risk factors in black South African children.
  • To identify specific ANS parameters that correlate with CMD risk indicators in this demographic.

Main Methods:

  • The study included 34 black South African children.
  • Cardiac ANS activity was assessed using heart rate variability (HRV) measures.
  • CMD risk factors such as waist circumference, blood pressure, lipid profiles, fasting glucose, and vessel stiffness were evaluated.

Main Results:

  • Parasympathetic activity markers (lnRMSSD, pNN50, lnSD1) were inversely associated with fasting insulin, waist circumference, and hip circumference.
  • High-density lipoprotein cholesterol (HDL) showed a positive association with lnRMSSD and lnSD1.
  • Waist circumference emerged as a primary predictor for parasympathetic modulation.

Conclusions:

  • Elevated resting parasympathetic activity in children is associated with reduced CMD risk factors.
  • Increased parasympathetic activity correlates with higher levels of protective HDL cholesterol.
  • These findings suggest that enhanced cardiac ANS activity may play a protective role against CMD in children.
Abstract

Keywords:
Black childrenCardiac autonomic nervous systemCardiometabolic disease risk factorsInsulin concentrationsLipid profileObesity indicators

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