Oximetry in obese children with sleep-disordered breathing

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Melania Evangelisti1, Hanaa Shafiek2, Jole Rabasco1

  • 1Pediatric Sleep Disease Center, Child Neurology, NESMOS Department, School of Medicine and Psychology, Sapienza University of Rome, S. Andrea Hospital, Rome, Italy.

Sleep Medicine
|December 13, 2016
PubMed

Insights

Obese children with sleep-disordered breathing experience worse oxygen desaturation. Malocclusions, not just tonsillar hypertrophy, are key risk factors for severe desaturation in these children.

Area of Science:

  • Pediatric Pulmonology
  • Sleep Medicine
  • Obesity Research

Background:

  • Obesity is a significant risk factor for obstructive sleep apnea syndrome (OSAS).
  • Obese children with OSAS often exhibit more pronounced oxygen desaturations than normal-weight peers.
  • Sleep-disordered breathing (SDB) impacts pediatric health, particularly in the context of obesity.

Purpose of the Study:

  • To investigate the oximetry characteristics in children with obesity and SDB.
  • To identify factors contributing to oxygen desaturation in obese children with SDB.

Main Methods:

  • Study enrolled children referred for suspected OSAS.
  • Data collected included sleep clinical records (SCR), pulse oximetry, and polysomnography (PSG).
  • Comparison between obese (n=128) and normal-weight (n=120) children with SDB.

Main Results:

  • Obese children with SDB demonstrated a higher oxygen desaturation index (ODI) and lower nadir oxygen saturation (nadir SaO2) compared to non-obese children (p < 0.05).
  • ODI and nadir SaO2 significantly correlated with obesity.
  • Skeletal malocclusion and tonsillar hypertrophy were identified as significant risk factors for severe desaturation in obese children (p < 0.05).

Conclusions:

  • Obese children with SDB experience more significant oxygen desaturation.
  • Adeno-tonsillar hypertrophy is not the sole significant risk factor; malocclusions also play a crucial role in the development of severe desaturation in obese children with SDB.
Abstract

Keywords:
ObesityObstructive sleep apneaOxygen desaturation

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