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Effect of perioperative intravenous lignocaine   infusion on postoperative pain in laparoscopic cholecystectomy


Journal of Anesthesia & Critical Care: Open Access
Dr. Anish Augustine, Dr. Shoba Philip

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Abstract

Background and Aims: Postoperative pain delays recovery after laparoscopic cholecystectomy which is done as a daycare surgery. Opioid analgesia carries adverse effects like nausea, vomiting and respiratory depression which can affect postoperative recovery. Our aim was to compare lignocaine infusion with saline infusion as perioperative ERAS measure for postoperative analgesia in laparoscopic cholecystectomy.Method: After obtaining ethical clearance, 40 patients undergoing laparoscopic cholecystectomy were randomised by computer generated codes in to two groups A and B. In group B two subjects were moved out of study, so two in group A were also excluded to make the two groups equal. Group A received saline and group B received 2mg/kg/h lignocaine infusion intravenously which were stopped at the end of the surgery. Postoperative pain was assessed by NRS score at definite time intervals 0 (admission to postoperative anesthesia care unit), 2nd, 4th, 6th, 8th, 10th, 12th and 24th hours. Time at which first rescue analgesia was requested, total analgesic requirements, mean NRS score and side effects were noted. Results: At every time interval, patients in lignocaine group had delayed time to request for rescue analgesia, less analgesic requirements and mean NRS. (P value <0.05). No side effects or signs of toxicity were noted in lignocaine group. Conclusion: Perioperative lignocaine infusion is an efficient, safe and cost-effective armamentarium in implementing ERAS in laparoscopic cholecystectomy.

Keywords

Lignocaine, ERAS, Postoperative analgesia, Laparoscopic cholecystectomy

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