Canadian journal of anaesthesia = Journal canadien d'anesthésie
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The aim of this quantitative systematic review is to compare the efficacy and side effects of combining one of the 5-HT(3) receptor antagonists (5-HT) with droperidol or dexamethasone for postoperative nausea and vomiting (PONV) prophylaxis. ⋯ We conclude that there is no statistically significant difference in antiemetic efficacy or side effects profile when one of the 5-HT is combined with either droperidol or dexamethasone and that both combination regimens are significantly more effective than 5-HT alone.