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Postoperative pain continues to be inadequately managed. While opioids remain the mainstay for postoperative analgesia, their use can be associated with adverse effects, including ileus, which can prolong hospital stay. A number of studies have investigated the use of perioperative intravenous lidocaine infusion for improving postoperative analgesia and enhancing recovery of bowel function.

This systematic review was performed to determine the overall efficacy of intravenous lidocaine infusion on postoperative analgesia and recovery from surgery in patients undergoing various surgical procedures. We searched the databases of MEDLINE, CINAHL and the Cochrane Library from 1966 to December 2009. We searched for randomized controlled comparisons of lidocaine infusion with placebo in the surgical setting and reporting on postoperative analgesia and other aspects of patient recovery …