Perioperative Dextromethorphan as an Adjunct for Postoperative Pain: a Meta-Analysis of Randomized Controlled Trials

摘要

BackgroundN-methyl-D-aspartate (NMDA) receptor antagonists have been shown to reduce perioperative pain and opioid use. We performed a meta-analysis to determine whether the use of perioperative dextromethorphan lowers opioid consumption or pain scores.