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Obstructive sleep apnea in obese community-dwelling children: the NANOS study

María Luz Alonso-Álvarez1, José Aurelio Cordero-Guevara1, Joaquin Terán-Santos1

  • 1Sleep Unit, Hospital Universitario de Burgos, Burgos, Spain ; CIBER Enfermedades Respiratorias (CIBERES), Instituto de Salud Carlos III, Madrid, Spain ; Hospital Universitario de Burgos (HUBU), Burgos, Spain.

Sleep
|May 3, 2014
PubMed

Insights

Obese children have a high prevalence of obstructive sleep apnea syndrome (OSAS). Early screening for OSAS in obese children is recommended to improve health outcomes.

Area of Science:

  • Pediatric Sleep Medicine
  • Obesity Research
  • Public Health

Background:

  • Childhood obesity is a known risk factor for pediatric obstructive sleep apnea syndrome (OSAS).
  • The community-based prevalence of OSAS in healthy obese children remains largely unknown.

Purpose of the Study:

  • To determine the prevalence of OSAS in obese children identified through primary care settings.
  • To assess the diagnostic criteria for OSAS in this pediatric population.

Main Methods:

  • A prospective, multicenter, cross-sectional study involving 248 Spanish children (ages 3-14) with BMI ≥95th percentile.
  • Participants underwent medical history, sleep questionnaires (PSQ), physical examination, nasopharyngoscopy, and nocturnal polysomnography (NPSG).

Main Results:

  • The prevalence of OSAS in obese children ranged from 21.5% to 39.5%, based on different diagnostic indices (OAHI, ORDI, RDI).
  • Mean RDI, ORDI, and OAHI values were 5.58, 5.06, and 3.39 per hour of total sleep time, respectively.

Conclusions:

  • Obstructive sleep apnea syndrome (OSAS) is highly prevalent in obese children within the general population.
  • Routine screening for OSAS is recommended for all obese children to facilitate early diagnosis and intervention.
Abstract

Keywords:
adenotonsillar hypertrophychildrenobesityprevalencesleep apnea

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