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

Abstract: Introduction: Obesity in children is assumed to serve as a major risk factor in pediatric obstructive sleep apnea syndrome (OSAS). However, the prevalence of OSAS in otherwise healthy obese children from the community is unknown. Aim: To determine the prevalence of OSAS in obese children identified and recruited from primary care centers. Methods: A cross-sectional, prospective, multicenter study. Spanish children ages 3-14 y with a body mass index (BMI) greater than or equal to the 95th percentile for age and sex were randomly selected, and underwent medical history, snoring, and Pediatric Sleep Questionnaire (PSQ) assessments, as well as physical examination, nasopharyngoscopy, and nocturnal polysomnography (NPSG) recordings. Results: Two hundred forty-eight children (54.4% males) with mean age of 10.8 ± 2.6 y were studied with a BMI of 28.0 ± 4.7 kg/m(2) corresponding to 96.8 ± 0.6 percentile when adjusted for age and sex. The mean respiratory disturbance index (RDI), obstructive RDI (ORDI), and obstructive apnea-hypopnea index (OAHI) were 5.58 ± 9.90, 5.06 ± 9.57, and 3.39 ± 8.78/h total sleep time (TST), respectively. Using ? 3/h TST as the cutoff for the presence of OSAS, the prevalence of OSAS ranged from 21.5% to 39.5% depending on whether OAHI, ORDI, or RDI were used. Conclusions: The prevalence of obstructive sleep apnea syndrome (OSAS) in obese children from the general population is high. Obese children should be screened for the presence of OSAS. ClinicalTrials.gov identifier: NCT01322763.

 Fuente: Sleep . 2014 May 1;37(5):943-9

Editorial: Oxford University Press

 Año de publicación: 2014

Nº de páginas: 7

Tipo de publicación: Artículo de Revista

 DOI: 10.5665/sleep.3666

ISSN: 0161-8105,1550-9109

Autores/as

ALONSO ÁLVAREZ, MARÍA LUZ

CORDERO GUEVARA, JOSÉ AURELIO

TERÁN SANTOS, JOAQUIN

JURADO LUQUE, MARÍA JOSÉ

CORRAL PEÑAFIEL, JAIME

DURAN CANTOLLA, JOAQUIN

KHEIRANDISH GOZAL, LEILA

GOZAL, DAVID