Effect of adenotonsillectomy on central apnea index in children with obstructive sleep apnoea

Introduction: In children with Obstructive Sleep Apnea (OSA), polysomnogram often shows central apnea events. Central apnoea index (CAI) is defined as the number of central apneas per hour of sleep. CAI ≥1 is considered abnormal in children. In children with OSA, significant improvement in CAI has been reported post-adenotonsillectomy.

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