Affiliation:
1. CIBER‐BBN, Instituto de Salud Carlos III Madrid Spain
2. BSICoS Group University of Zaragoza Zaragoza Aragon Spain
3. GIB Group University of Valladolid Valladolid Spain
4. Department of Neurology University of Missouri School of Medicine Columbia Missouri United States
5. Office of the Dean, Joan C. Edwards School of Medicine Marshall University Huntington Virginia United States
Abstract
AbstractBackgroundObstructive sleep apnea (OSA) is a risk factor for metabolic syndrome (MetS) in adults, but its association in prepubertal children is still questionable due to the relatively limited cardiometabolic data available and the phenotypic heterogeneity.ObjectiveTo identify the role of OSA as a potential mediator of MetS in prepubertal children.MethodsA total of 255 prepubertal children from the Childhood Adenotonsillectomy Trial were included, with standardized measurements taken before OSA treatment and 7 months later. MetS was defined if three or more of the following criteria were present: adiposity, high blood pressure, elevated glycemia, and dyslipidemia. A causal mediation analysis was conducted to assess the effect of OSA treatment on MetS.ResultsOSA treatment significantly impacted MetS, with the apnea–hypopnea index emerging as mediator (p = .02). This mediation role was not detected for any of the individual risk factors that define MetS. We further found that the relationship between MetS and OSA is ascribable to respiratory disturbance caused by the apnea episodes, while systemic inflammation as measured by C‐reactive protein, is mediated by desaturation events and fragmented sleep. In terms of evolution, patients with MetS were significantly more likely to recover after OSA treatment (odds ratio = 2.56, 95% confidence interval [CI] 1.20–5.46; risk ratio = 2.06, 95% CI 1.19–3.54) than the opposite, patients without MetS to develop it.ConclusionThe findings point to a causal role of OSA in the development of metabolic dysfunction, suggesting that persistent OSA may increase the risk of MetS in prepubertal children. This mediation role implies a need for developing screening for MetS in children presenting OSA symptoms.
Subject
Pulmonary and Respiratory Medicine,Pediatrics, Perinatology and Child Health
Cited by
1 articles.
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