Clinical variables determining the success of adenotonsillectomy in children with Down syndrome.

Objectives: To evaluate the evolution of polysomnographic parameters of children with Down syndrome and obstructive sleep apnea syndrome submitted to adenotonsillectomy and the interaction of comorbidities on therapeutic outcome.

Methods: Ninety patients with Down syndrome and habitual snoring were identified between 2005 and 2015 in a Pediatric Otorhinolaryngology Clinic. Parent's complaints were evaluated by the test of equality of two proportions.