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Objective: To compare the effect of intraperitoneal ropivacaine with placebo for post-operative pain management in patients undergoing laparoscopic cholecystectomy. Material and Methods: All patients were pre-medicated with glycopyrrolate 0.2 mg, ondansetron 4 mg and ranitidine 150 mg intravenously half an hour prior to induction of anesthesia. All patients were given standard general anaesthesia with propofol (2-2.5 mg/kg), fentanyl 2 μg/kg, and succinylcholine (2 mg/kg) to facilitate tracheal intubation. Anesthesia was maintained with 60% N2O in oxygen with 0.5% to 1% Halothane. Group A: Patients received 20 ml of 0.9% normal saline as placebo (n = 25). Group B: Patients received 20 ml of 0.5% ropivacaine (n = 25). Results: The age and sex distribution of both the groups was similar. The heart rate, systolic & diastolic blood pressure, mean blood pressure and mean trend of SpO2 in both groups remained similar over the periods. The mean VAS varied considerably within (between time) and between the groups (treatment) and was especially comparatively higher in Group A at initial hours 15 min to 30 min and at end hours 12-24 hrs as compared with Group B. On an average, the frequent dosing of rescue analgesia and mean No. of rescue analgesia doses were higher in Group A followed by Group B. In both groups, the treatment related adverse events were mostly emetic symptoms and shoulder pain with the highest being in Group A. Conclusion: We conclude that intraperitoneal instillation of local anaesthetic is an easy, cheap, and non-invasive method which provides good analgesia in the immediate postoperative period after laparoscopic surgery.<o:p></o:p> </p

open journal of anesthesiology

The Effect of Intraperitoneal Ropivacaine for Post-Operative Pain Management in Patients Undergoing Laparoscopic Cholecystectomy: A Prospective Double-Blind Randomized Control Study