Evaluation of the Functional Impact of Adenotonsilectomy

Spirometric assessment of respiratory function before and after adenotonsillectomy surgery Study site at CHUPorto: Department of Otorhinolaryngology at CHUPorto, Portugal. Study design: Institutional, observational, cohort, prospective. Classification of studies according to the law of clinical investigation (Dec. Law No. 21/2014): Clinical study without intervention. Main objective of the study: To collect a database referring to pediatric patients enrolled for surgery in an outpatient setting, in order to compare vital, spirometric and clinical parameters at two different times: pre and post surgical intervention. Secondary objectives of the study: Based on validated indices, to assess the impact of surgical intervention on the child's respiratory and cardiovascular system. Participants: Patients undergoing surgery in the field of Pediatric Otorhinolaryngology at CHUPorto, a tertiary referral Hospital in Portugal.