Effect of Intravenous Low-Dose Ketamine Infusion With Intravenous Lignocaine Infusion on Post-Operative Pain in Patients Undergoing Laparoscopic Choleysystectomy Under General Anesthesia

Objective: To determine the effect of low-dose ketamine versus lignocaine on post-operative pain in patients undergoing LC under general anesthesia in a tertiary care hospital. Sample Selection: Patients of both the gender of age at least 18 years, planned for elective LC with ASA grade I-II were included. Patients with obesity, history of alcohol consumptions, drug abusers, uncontrolled hypertension and diabetics, with chronic pain, allergic to study drugs, having neurological disorders, unable to understand pain scoring system and converted to open LC were excluded.