• Janelle D Vaughns, Celeste Martin, Jonathon Nelson, Evan Nadler, and Zenaide M Quezado.
• Department of Anesthesiology, Pain and Perioperative Medicine and Pediatric Clinical Pharmacology, Children's Research Institute, Children's National Health System. Electronic address: jvaughns@childrensnational.org.
• J. Pediatr. Surg. 2017 Nov 1; 52 (11): 1787-1790.

BackgroundThe anesthetic management of adolescents undergoing bariatric surgery presents a number of challenges, including increased risk of postoperative opioid-related respiratory depression. These patients could benefit from adjunctive analgesics with opioid-sparring effects to optimize perioperative pain control. Dexmedetomidine, a selective α2-adrenoreceptor agonist, has sedative and analgesic properties with no respiratory depressant effects.ObjectiveTo determine the effect of intraoperative dexmedetomidine on opioid requirement and perioperative pain management in obese adolescents undergoing bariatric surgery.MethodsAn observational study of 26 consecutive patients treated with and without dexmedetomidine during the intraoperative period was conducted. The dexmedetomidine treated patients received a loading dose over 30min and a continuous infusion thereafter. The standard group represented patients who received an institutional standard anesthetic without dexmedetomidine. The primary outcome was total perioperative intravenous morphine equivalent (MEq). We also examined reported pain scores during the perioperative period.ResultsWhile there were no significant differences in age, height and weight category, there were imbalances on race distribution between the two groups. Both groups received similar doses of ketorolac and acetaminophen perioperatively. Overall, during 48h postoperatively, the dexmedetomidine group received significantly less total MEq administration compared with the standard group. Three patients in the dexmedetomidine group required ephedrine to treat an episode of hypotension.DiscussionThese results suggest that the use of dexmedetomidine during bariatric surgery in the morbidly obese adolescent population is associated with decreased opioid utilization during the perioperative period. Future randomized studies will determine the role of dexmedetomidine in the pain management of obese adolescents undergoing bariatric surgery.Study TypeTherapeutic, Level III.Copyright © 2017 Elsevier Inc. All rights reserved.

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