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Sleep Med ; 47: 44-50, 2018 07.
Article in English | MEDLINE | ID: mdl-29880147

ABSTRACT

OBJECTIVE: To determine the scope of sleep concerns, clinical features, and polysomnography (PSG) results and to identify factors that predict obstructive sleep apnea (OSA) in a cohort of children with obesity. METHODS: The study was a multicenter retrospective chart review. Data were collected from three pediatric sleep laboratories over a two year period for all children of age 8-16 years with a body mass index [BMI] ≥95th centile who were undergoing PSG. Data sources included clinical charts and PSG results. Clinical and PSG factors were examined as predictors of OSA. RESULTS: A total of 210 children met inclusion criteria, and 205 had sufficient data for analysis. The mean age was 12.5 ± 2.7 years; and 65% were male. Multiple sleep concerns and comorbidities were reported in most children (90% and 91%, respectively). OSA was identified by PSG in 44% of children; and 28% of children demonstrated moderate/severe OSA. Mouth breathing/nasal congestion (odds ratio [OR] = 0.33, 95% confidence interval [CI] = 0.18-0.61), syndrome/multiple anomalies (OR = 2.4, 95% CI = 1.22-4.93), and family history of OSA (OR = 2.7, 95% CI = 1.2-5.8) or sleep problems (OR = 12.4, 95% CI = 1.5, 99.6) were the only factors predictive of OSA. Oxygen desaturation index <6 events/h measured by PSG showed an OR of 4.96 (95% CI = 2.27-10.86) for the absence of OSA. CONCLUSIONS: Children with obesity who undergo PSG are medically complex with multiple sleep concerns including a high burden of daytime symptoms; slightly less than half of children demonstrate polysomnographic features of OSA. Earlier identification of OSA, recognition of non-OSA sleep concerns, and treatment strategies to improve sleep may contribute to overall health outcomes for children with obesity.


Subject(s)
Comorbidity , Obesity/epidemiology , Sleep Apnea, Obstructive/diagnosis , Adolescent , Body Mass Index , Canada , Child , Female , Humans , Male , Polysomnography/methods , Retrospective Studies
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