• Ahmed Mostafa Abd El-Hamid and Hany Mahmoud Yassin.
• Department of Anesthesia, Faculty of Medicine, Benha University, Benha, Egypt.
• Saudi J Anaesth. 2017 Apr 1; 11 (2): 137-143.

BackgroundEmergence agitation (EA) after sevoflurane anesthesia is common in children during recovery from general anesthesia and may result in postoperative complications. This study investigated safety and effectiveness of intranasal dexmedetomidine in reducing the incidence and severity of EA.MethodsThis prospective, randomized double-blinded controlled trial included 86 patients scheduled for the tonsillectomy and/or adenoidectomy under general anesthesia with sevoflurane. They were randomly allocated into two groups. Group D received intranasal dexmedetomidine at 1 μg/kg, and Group C received intranasal saline 0.9% after the induction of general anesthesia. Four-point agitation scale and Face, Legs, Activity, Cry and Consolability (FLACC) scale for pain assessment were measured at six time points (after extubation, leaving the operating room, on arrival to postanesthesia care unit [PACU], 10, 20, and 30 min after arrival in PACU). Extubation, emergence, and discharge times were recorded in addition to any adverse effects.ResultsThere was a significant difference in the incidence of EA between Groups D and C (6.98% and 58%, respectively, with P = 0.001). The median four-point agitation scales and the median scores of FLACC pain scales of Group D were significantly lower than those of Group C at the all six time points with P < 0.05. Extubation, emergence, and discharge times were comparable in both groups, and none of the subjects reported any adverse effects.ConclusionThis study demonstrates that a 1 μg/kg dose of intranasal dexmedetomidine administered after the induction of anesthesia reduces post-sevoflurane incidence and severity of EA in children undergone tonsillectomy and/or adenoidectomy with no adverse effects and smooth recovery profile.

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