The effect of epidural vs intravenous analgesia for posterior spinal fusion surgery.

Background: The study objective was to compare epidural vs intravenous postoperative analgesia in posterior spinal fusion surgery patients.

Methods: This prospective, double-blinded, randomized study was performed in a tertiary care teaching hospital involving 31 American Society of Anesthesiologists physical status I and II adolescent/young adult patients scheduled for elective posterior spinal fusion surgery for idiopathic scoliosis. Patients were divided into three treatment groups according to the epidural solution infused: group 1 (n = 10) 0.