Obstructive sleep apnea (OSA) and sleep disordered breathing (SDB) have become the primary reason to perform an adenotonsillectomy (T&A) in children. This course will present a practical approach to the management of pediatric OSA/SDB. Recently, there have been published clinical practice guidelines and clinical trials on the diagnosis, surgical indications and perioperative management of children with OSA. The course will use an evidence based approach to answer practical dilemmas that face the practicing otolaryngologist such as: who needs polysomnography? What are the criteria for overnight observation? And, how do you manage a child with persistent OSA after T&A?Learning Objectives: 1. Incorporate an evidence based approach to the diagnosis and management of pediatric OSA.2. To be familiar with clinical practice guidelines and clinical trials on pediatric OSA.3. To have a practical approach to managing a child with persistent OSA after T&A.Faculty: Ron B. Mitchell, MD (Nothing to disclose), Norman R. Friedman, MD (Nothing to disclose).