Abstract
Background:postoperative nausea and vomiting (PONV) frequently hampers implementation of ambulatory surgery in spite of so many antiemetic drugs and regimens.Aims:the study was carried out to compare the efficacy of Ramosetron and Ondansetron in preventing PONV after ambulatory surgery.Setting and Design:it was a prospective, double blinded, and randomized controlled study.Methods:124 adult patients of either sex, aged 25-55, of ASA physical status I and II, scheduled for day care surgery, were randomly allocated into Group A [(n=62) receiving (IV) Ondansetron (4 mg)] and Group B [(n=62) receiving IV Ramosetron (0.3 mg)] prior to the induction of general anesthesia in a double-blind manner. Episodes of PONV were noted at 0.5, 1, 2, 4 h, 6, 12, and 18 h postoperatively.Statistical Analysis and Results:statistically significant difference between Groups A and B (P <0.05) was found showing that Ramosetron was superior to Ondansetron as antiemetic both regarding frequency and severity.Conclusion:it was evident that preoperative prophylactic administration of single dose IV Ramosetron (0.3 mg) has better efficacy than single dose IV Ondansetron (4 mg) in reducing the episodes of PONV over 18 h postoperatively in patients undergoing day-care surgery under general anesthesia.
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