Prevalence of Obstructive Sleep Apnea in Children with Down Syndrome

Mieke Maris1, Stijn Verhulst2, Marek Wojciechowski2

  • 1Department of Otorhinolaryngology, Head and Neck Surgery, University of Antwerp, Antwerp University Hospital, Antwerp, Belgium.

Sleep
|November 28, 2015
PubMed

Insights

Obstructive sleep apnea (OSA) affects two-thirds of children with Down syndrome (DS). Parental reports of snoring or witnessed apneas indicate higher OSA prevalence and severity, with younger age linked to more severe disease.

Area of Science:

  • Pediatric Pulmonology
  • Genetics
  • Sleep Medicine

Background:

  • Down syndrome (DS) is associated with an increased risk of obstructive sleep apnea (OSA).
  • Early identification and management of OSA are crucial for improving health outcomes in children with DS.

Purpose of the Study:

  • To determine the prevalence of OSA in a large cohort of children with Down syndrome.
  • To identify patient-related factors associated with OSA severity in this population.

Main Methods:

  • Retrospective, cross-sectional study design.
  • Full overnight polysomnography (PSG) was conducted.
  • Data from 122 children with DS were analyzed.

Main Results:

  • Overall OSA prevalence was 66.4% in children with DS.
  • Severe OSA was diagnosed in nearly half of affected children.
  • Parental reports of snoring or witnessed apneas correlated with higher OSA prevalence and severity (75.7% vs 53.8%, P=0.019).
  • Younger age showed a significant inverse correlation with OSA severity (oAHI) (P=0.028).
  • Sex and BMI z-score did not significantly correlate with OSA severity.

Conclusions:

  • A high prevalence of OSA (66.4%) exists in children with Down syndrome, even in those without typical symptoms (53.8%).
  • Parental observation of snoring or apneas is a key indicator for OSA risk.
  • Younger age is a significant factor associated with more severe OSA in children with DS.
Abstract

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