• P E Scuderi, R G Weaver, R L James, G Mims, W G Elliott, and D B Weeks.
• Department of Anesthesia, Bowman Gray School of Medicine, Wake Forest University, Winston-Salem, NC 27157-1009, USA.
• J Clin Anesth. 1997 Nov 1;9(7):551-8.

Study ObjectiveTo compare the efficacy of ondansetron, droperidol, or metoclopramide with placebo in preventing postoperative vomiting following strabismus surgery.Study DesignRandomized, double-blind, placebo-controlled clinical trial.SettingUniversity outpatient surgery center.Patients160 ASA physical status I and II children ages 1 to 12 years who were scheduled for strabismus surgery.InterventionsAdministration of either ondansetron 100 mcg/kg, metoclopramide 250 mcg/kg, droperidol 75 mcg/kg, or placebo intravenously after induction of anesthesia.Measurements And Main ResultsBoth ondansetron and droperidol were superior to metoclopramide and placebo in preventing predischarge vomiting, with incidences of 5%, 5%, 32%, and 25%, respectively. However, there was no difference in the incidence of postdischarge vomiting among the groups (ondansetron 25%, droperidol 25%, metoclopramide 20%, and placebo 25%).ConclusionsWhile both ondansetron and droperidol are more effective than metoclopramide when compared with placebo in decreasing the incidence of predischarge vomiting, none of these drugs was more effective than placebo in decreasing the incidence of postdischarge vomiting. Recovery from anesthesia was not significantly different among the groups as assessed by time to awakening, initial Steward score, and time to discharge.

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