Ketamine, Lidocaine and Combination for Postoperative Analgesia in Open Liver Resection

Abstract

Lidocaine and ketamine both are being used for perioperative analgesia. Perioperative lidocaine infusion has been shown to reduce postoperative pain and opioid consumption. Perioperative low dose Ketamine has shown improved postoperative pain and reduced opioid usage. We therefore tested the hypothesis that the combination would provide better analgesia in the milieu of intrathecal morphine.

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