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Craniofacial morphology and sleep apnea in children with obstructed upper airways: differences between genders

Renata Di Francesco1, Roberta Monteiro, Maria Luiza de Melo Paulo

  • 1Otolaryngology Department, University of São Paulo, School of Medicine, Brazil. renatadifran@uol.com.br

Sleep Medicine
|March 31, 2012
PubMed

Insights

Craniofacial morphology impacts sleep apnea severity in boys, but not girls. This study found specific facial measurements correlated with sleep apnea in males, highlighting gender differences in obstructive sleep apnea.

Area of Science:

  • Pediatric Sleep Medicine
  • Craniofacial Biology
  • Otolaryngology

Background:

  • Obstructive sleep apnea (OSA) is common in children with tonsil and adenoid enlargement.
  • Craniofacial characteristics may influence airway obstruction and OSA severity.
  • Understanding gender-specific correlations is crucial for diagnosis and treatment.

Purpose of the Study:

  • To investigate the correlation between sleep apnea and craniofacial characteristics.
  • To analyze these correlations based on gender in children aged 3-12 years.

Main Methods:

  • Prospective study of 77 children with upper airway obstruction.
  • Exclusion criteria included lung problems, neurological disorders, obesity, and prior surgeries.
  • Methods included physical examination, endoscopy, polysomnography, and cephalometric analysis of craniofacial measurements (e.g., facial depth, mandibular plane angle).

Main Results:

  • Sleep apnea prevalence was 46.75%, with no gender difference in prevalence but higher Apneia Hypopnea Index (AHI) in boys.
  • A dolichofacial pattern was predominant (81.9%).
  • In boys, facial depth, mandibular plane angle, and vertical growth index correlated with AHI; no correlations were found in girls.

Conclusions:

  • Craniofacial morphology appears to influence sleep apnea severity in boys.
  • This influence was not observed in girls, suggesting gender-specific mechanisms.
  • Further research is needed to elucidate these gender differences in pediatric OSA.
Abstract

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