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Posterior spinal fusion treatment is one of the most painful options accessible to teenagers with idiopathic scoliosis. This study evaluated the opioid-sparing anesthesia analgesic effect using a combination of dexmedetomidine, ketamine and lidocaine versus opioid-based anesthesia (OBA) with fentanyl in adolescent patients undergoing scoliosis surgery. This prospective, double-blinded, randomized study was conducted on 50 patients, American Society of Anesthesiologists (ASA) physical state I–II, scheduled for surgical correction of adolescent idiopathic scoliosis under general anesthesia. Patients were equally categorized into two groups: group I – opioid-free anesthesia (OFA) and group II – OBA. Intraoperative magnesium, total postoperative morphine consumption, time to first postoperative rescue analgesia and adverse effects were recorded. Total postoperative morphine consumption at 24 h was insignificantly different between groups. The proportion of patients requiring intraoperative magnesium was significantly higher in OBA ( P  &lt; 0.001). Visual analog scale was only significant at 1 and 2 h which was significantly higher in group OBA than group OFA ( P  = 0.012 and &lt; 0.001, respectively). Time to first postoperative rescue analgesia was significantly earlier in OBA than in OFA. Hemodynamic stability was insignificantly different between both groups. Bradycardia, postoperative nausea and vomiting and respiratory depression were insignificantly different between groups. In adolescent patients ASA I-II undergoing scoliosis correction surgery, OFA with a combination of dexmedetomidine, ketamine and lidocaine could provide adequate intra- and postoperative pain management, which can obviate the use of intraoperative opioids minimizing the total postoperative opioid requirements compared to OBA using fentanyl.

egyptian journal of anaesthesia

The perioperative analgesic effect of opioid free anesthesia using combination of dexmedetomidine, ketamine and lidocaine in adolescent patients undergoing Scoliosis Surgery; A randomized Controlled Trial