Abstract
Objective
Prospective survey of children up to 14 years of age with OSA submitted to adenotonsillectomy.
Methods
Clinical evaluation, with questionnaires and clinical scales evaluating facial structures including tonsils and Mallampati scales and otolaryngologic evaluation; nocturnal polysomnography and repeat evaluation three to five months postsurgery.
Results
Of 207 successively seen children, 199 had follow-up polysomnography, and 94 had still abnormal sleep recording. Multivariate analysis indicates that Mallampati scale score 3 and 4, retro-position of mandible, enlargement of nasal inferior turbinates at +3 (subjective scale 1 to 3), and deviated septum were significantly associated with persistence of abnormal polysomnography (with high 95% CI for Mallampati scale and deviated septum).
Conclusion
Mallampati scale scores are resultant of several facial factors involving maxilla, mandible, and oral versus oral breathing but add information on risk of partial response to adenotonsillectomy.
Significance
Adenotonsillectomy may not resolve obstructive sleep apnea in children.
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