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  • Title: Parental history of adenotonsillectomy is associated with obstructive sleep apnea severity in children with snoring.
    Author: Alexopoulos EI, Charitos G, Malakasioti G, Varlami V, Gourgoulianis K, Zintzaras E, Kaditis AG.
    Journal: J Pediatr; 2014 Jun; 164(6):1352-7. PubMed ID: 24582010.
    Abstract:
    OBJECTIVE: To test the hypothesis that history of adenoidectomy and/or tonsillectomy (AT) in at least 1 of the parents during childhood, is a risk factor for moderate-to-severe obstructive sleep apnea (OSA) (apnea-hypopnea index [AHI] >5 episodes/hour) in the offspring with snoring. STUDY DESIGN: Data of children with snoring who were referred for polysomnography over 12 years by primary care physicians were reviewed. RESULTS: Data of 798 children without history of prior AT, neuromuscular, or genetic disorders or craniofacial abnormalities were analyzed. Of these children, 69.3% had tonsillar hypertrophy, 25.8% were obese, 26.8% had at least 1 parent with history of AT, and 22.1% had AHI >5 episodes/hour. Parental history of AT was significantly associated with moderate-to-severe OSA (logit model including sex, tonsillar hypertrophy, obesity, and physician-diagnosed wheezing; OR [95% CI], 1.70 [1.18-2.46]; P < .01). When significant variables from the logit model (tonsillar hypertrophy, obesity, parental history of AT) were considered independently or in combination, tonsillar hypertrophy combined with history of AT in at least 1 of the parents had high specificity (84.4%) and the highest positive likelihood ratio (1.78) for identifying children with AHI >5 episodes/hour. CONCLUSIONS: Among children with snoring who are referred for polysomnography by primary care physicians, those with tonsillar hypertrophy and parental history of AT have increased risk of moderate-to-severe OSA and represent 1 of the subgroups that should be prioritized for a sleep study in settings with limited resources.
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