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Body Fat Composition: A Predictive Factor for Sleep Related Breathing Disorder in Obese Children

Rajeev Bhatia1, Daniel J Lesser1, Flavia G S A Oliveira2

  • 1Division of Pediatric Pulmonology and Sleep Medicine, Department of Pediatrics, Children's Hospital Los Angeles, Keck School of Medicine, University of Southern California, Los Angeles, CA.

Journal of Clinical Sleep Medicine : JCSM : Official Publication of the American Academy of Sleep Medicine
|June 23, 2015
PubMed

Insights

Obesity in children is linked to sleep breathing issues. Body fat composition, measured by DEXA, correlates with arousal and desaturation indices in pediatric sleep-related breathing disorders.

Area of Science:

  • Pediatric Endocrinology
  • Sleep Medicine
  • Body Composition Analysis

Background:

  • The relationship between body fat composition and pediatric sleep-related breathing disorder (SRBD) is not well-established.
  • Obesity is a growing concern in children, and its impact on sleep health requires further investigation.

Purpose of the Study:

  • To investigate the association between body mass index (BMI) and dual energy x-ray absorptiometry (DEXA) parameters with SRBD in obese children.
  • To explore how body fat composition relates to sleep disturbances in pediatric populations.

Main Methods:

  • Overnight polysomnography was conducted on obese/overweight children aged 10-17 years with habitual snoring.
  • Body fat mass and percentage were quantified using DEXA scanning, including total and trunk fat measurements.

Main Results:

  • Log total arousal index correlated with BMI, total body fat mass, and trunk fat mass.
  • Log desaturation index showed correlations with BMI, total body fat mass, and trunk fat mass.
  • BMI correlated with DEXA parameters in all subjects and specifically in 10-12-year-old males, but not in older males.

Conclusions:

  • Total body fat mass and trunk fat mass, along with BMI, are associated with increased arousal and desaturation indices in pediatric SRBD.
  • The utility of DEXA scanning in studying obesity and SRBD may vary based on the child's age and pubertal stage.
Abstract

Keywords:
DEXA scanbody fat compositionbody mass indexpediatric obesitypediatric obstructive sleep apneasleep related breathing disorder

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