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Background: Emergence delirium (ED) is common after strabismus surgery due to postoperative visual disturbance, vomiting, and pain. Total intravenous anesthesia (TIVA) has many advantages like smooth emergence from anesthesia, decreased incidence of postoperative nausea and vomiting (PONV), and postoperative analgesia. Objectives: Our study aimed to compare the incidence of ED using inhalational sevoflurane with dexmedetomidine (DEX) versus TIVA with remifentanil. Methods: Eighty-four patients aged 3 - 11 years scheduled for strabismus surgery under general anesthesia were randomly allocated into two groups. Patients in group I received sevoflurane and DEX (group I, n = 42), while group II patients received TIVA with propofol and remifentanil infusion (group II, n = 42). Mean arterial pressure (MAP), heart rate (HR), and pulse oximetry (SpO2) were monitored before induction, at induction, and every 10 minutes during the surgery. In the postanesthetic care unit (PACU), pediatric anesthesia emergence delirium (PAED), face, legs, activity, cry, and consolability (FLACC), need for rescue analgesics, recovery time, level of parents’ satisfaction, and PONV were recorded. Results: Based on the results, HR and MAP significantly decreased 10 and 20 min after induction compared to baseline in group I after infusion of DEX. The incidence of PONV was significantly lower in group II than in group I, while the recovery time was significantly shorter in group I. The incidence of emergence delirium decreased in both groups. Conclusions: The use of either total intravenous anesthesia with propofol and remifentanil or sevoflurane inhalational anesthesia with dexmedetomidine resulted in a lower incidence of emergence delirium, although dexmedetomidine resulted in hypotension, bradycardia, and PONV.

anesthesiology and pain medicine

Comparative Effects of Total Intravenous Anesthesia with Propofol and Remifentanil Versus Inhalational Sevoflurane with Dexmedetomidine on Emergence Delirium in Children Undergoing Strabismus Surgery