Abstract
Objective: To assess the effects of lidocaine infusion on postoperative pain. Methodology: Our study was done on 40 patients between the ages of 25-45 years who were previously healthy and underwent various abdominal surgeries. Patients were classified into case (A) and control (B) groups with randomized double blind fashion. Calculations of intra- and post-operative morphine consumption were done and pain was verbally assessed according to Visual Analogue scale (VAS) using pain score of 10. In group A 2% lidocaine was given in a dose of 1.5 mg/kg bolus IV half hour before induction followed by IV infusion 1.5mg/kg/hr before skin incision). InGroup B, saline was given. Results: The scale of pain among group A was significantly less in comparison to group B. Conclusion: Our study was consistent with previous studies about lidocaine, which showed significant decrease in pain by using lidocaine infusion.

Jamal Rahaymeh, Mufeed Alkhalaileh, Abdulelah Meqbel, Balgees Almajali, Rawan Al Dabas. (2016) Effect of preoperative lidocaine infusion on postoperative morphine requirements in major laparotomy surgery, , Volume-41, Issue-3.
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