• Ron B Mitchell and James Kelly.
• Division of Pediatric Otolaryngology, Department of Otolaryngology-Head and Neck Surgery, St. Louis University School of Medicine, St. Louis, Missouri 63104, USA. rmitch11@slu.edu
• Laryngoscope. 2007 Sep 1; 117 (9): 1685-8.

ObjectiveTo compare changes in behavior after adenotonsillectomy in children with either mild sleep-disordered breathing (SDB) or obstructive sleep apnea (OSA).Study DesignProspective cohort study.MethodsChildren at the University of New Mexico Children's Hospital, Albuquerque with mild SDB or OSA were included in the study. All children underwent preoperative polysomnography before adenotonsillectomy. Mild SDB was defined as an apnea-hypopnea index (AHI) less than 5 or an apnea index (AI) less than 1. OSA was defined as an AHI 5 or greater or an AI 1 or greater. Pre- and postoperative scores from the Behavioral Assessment System for Children (BASC) survey were compared using repeated measures analysis of variance.ResultsThe mean preoperative AHI for children with mild SDB (n=17) was 3.1 (range, 1.7-4.7), and for children with OSA (n=23) it was 25.3 (range, 10.0-48.0). The mean preoperative BASC scores for children with mild SDB were not significantly different from the scores for children with OSA. The demographics in the two groups of children were similar. The behavior symptom index, a global measure of behavior, showed significant improvement after surgery for both groups of children (P<.01). Children also showed significant improvement after adenotonsillectomy in the BASC scales of atypicality, depression, hyperactivity, and somatization. Mean changes in BASC scores after adenotonsillectomy were not significantly different in the two groups of children.ConclusionsBehavioral problems are prevalent in children with either mild SDB or OSA, and both groups of children show significant improvements in behavior after adenotonsillectomy.

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