The need to carry out this study is to evaluate the analgesic effects after the administration of ketamine and dexamethasone intravenously perioperatively in patients undergoing lumbar arthrodesis and, likewise, study the incidence of pain and protocolize perioperative analgesia.
KETAMINE AND DEXAMETASONE IN THE MANAGEMENT OF PAIN IN LUMBAR ARTHRODESISPhase IV prospective randomized controlled single-center clinical trial to determine the effect of intravenous ketamine and dexamethasone administration perioperatively in patients undergoing lumbar arthrodesis.