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  • Title: Sleep Architecture in Children With Common Phenotype of Obstructive Sleep Apnea.
    Author: Durdik P, Sujanska A, Suroviakova S, Evangelisti M, Banovcin P, Villa MP.
    Journal: J Clin Sleep Med; 2018 Jan 15; 14(1):9-14. PubMed ID: 29198306.
    Abstract:
    STUDY OBJECTIVES: In children, the effect of the common phenotype of obstructive sleep apnea (OSA) on sleep architecture is not adequately documented. The aim of this study was to evaluate sleep architecture in a pediatric population with the common phenotype of OSA. METHODS: The prospective cross-sectional study included 116 children in the age range of 3 to 8 years with suspected OSA and 51 healthy children. All children underwent standard overnight in-laboratory video polysomnography. Patients with obstructive apnea-hypopnea index ≥ 1, adenotonsillar hypertrophy, a long face, narrow palate or minor malocclusions, and no obesity were defined as a common phenotype. Polysomnographic parameters of sleep architecture and sleep clinical record were statistically analyzed according to OSA and its severity. RESULTS: In total, 94 pediatric patients (59.60% male) received the diagnosis of the common phenotype of OSA (mean age of 5.25 ± 1.39 years). A lower percentage of stage N3 sleep (27.70 ± 3.76% versus 31.02 ± 4.23%; P < .05), a greater percentage of stage N1 sleep (8.40 ± 3.98% versus 2.68 ± 3.02%, P < .01), reduced deep sleep efficiency (46.01 ± 4.98% versus 50.25 ± 3.72%; P < .05) and longer sleep latency (18.40 ± 8.48 minutes versus 9.90 ± 11.55 minutes, P < .01) were found in children with the common phenotype of OSA compared with healthy controls. No significant differences were found in total sleep time, sleep efficiency, and percentage of stage R sleep and stage N2 sleep between groups and in sleep stage distribution and cyclization. CONCLUSIONS: These findings suggest that the most common phenotype of pediatric OSA has a negative effect on the structure of sleep, but other clinical studies are needed to confirm this result.
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