COMPARISON OF THE EFFECTS OF ORAL VS. PERITONSILLAR INFILTRATION OF KETAMINE IN PAIN REDUCTION AFTER TONSILLECTOMY: A RANDOMIZED CLINICAL TRIAL.

Background: Although oral ketamine has been used in some cases to reduce pain in children, the use of this drug to reduce pain after tonsillectomy has not been studied yet.

Methods: This double-blind clinical trial was conducted in 2009 in 92 children who were aged three to nine years old, met ASA I or II criteria, and were candidate for tonsillectomy. Patients were divided randomly into two groups.