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Post operative nausea and vomiting (PONV) continue to be frequent occurrences, even when conventional antiemetics are prophylactically used. In a randomized double blind study, 100 female patients scheduled for elective laparoscopic cholecystectomy under general anaesthesia were divided into 2 groups of 50 patients each and received 0.1mg/Kg of Ondansetron (Group X) or 0.04mg/Kg of Granisetron (Group Y) pre- operatively. Patients were observed for 24 hours post operatively and interpretation of symptoms of nausea and vomiting was done according to Gan and Alexander scale (0-2). 80% of patients in Group Y and 48 % patients in Group X did not experience PONV; the difference was statistically significant (p<0.001). 2 patients (4%) in Group Y and 15patients (30%) in Group X required rescue antiemetic medication during the 24 hour study period. The difference was found to be highly significant (p<0.001) The difference in the incidence of PONV between the two groups after 6 hours to 24 hours was highly significant (p<0.001). It was concluded that prophylactic administration of Granisetron is more effective than Ondansetron, in reducing in incidence of PONV with prolonged effects.

iosr journal of dental and medical sciences

Comparative evaluation of ondansetron and granisetron in prevention of postoperative nausea and vomiting following laparoscopic cholecystectomy in females