J H Sun1, X Y Wu, W J Wang, L L Jin. 1. Department of Anaesthesia, The First Affiliated Hospital, Wenzhou Medical College, 2 Fu-Xue Street, Lucheng District, Wenzhou, China. sun_jiehao@126.com
Abstract
OBJECTIVE: A meta-analysis to compare the incidence of postoperative cognitive dysfunction (POCD) following off-pump coronary artery bypass grafting (OPCAB) versus after conventional coronary artery bypass grafting (CABG). METHODS: A systematic search of the Medline(®), EMBASE(®) and Cochrane Library databases was performed to identify randomized controlled trials published until the end of November 2011. Data were analysed using RevMan version 5.0 software. RESULTS: The literature search identified 13 randomized controlled trials which included a total of 2326 cases. Meta-analysis found that the incidence of POCD was significantly higher following CABG than after OPCAB during the perioperative period (1-2 weeks) and at 3 months postsurgery. There were no significant between-group differences at 6 or 12 months postsurgery. CONCLUSIONS: Compared with CABG, OPCAB was found to be associated with a reduced incidence of early-stage POCD. Caution must be taken when interpreting these findings because of limitations in the available data.
OBJECTIVE: A meta-analysis to compare the incidence of postoperative cognitive dysfunction (POCD) following off-pump coronary artery bypass grafting (OPCAB) versus after conventional coronary artery bypass grafting (CABG). METHODS: A systematic search of the Medline(®), EMBASE(®) and Cochrane Library databases was performed to identify randomized controlled trials published until the end of November 2011. Data were analysed using RevMan version 5.0 software. RESULTS: The literature search identified 13 randomized controlled trials which included a total of 2326 cases. Meta-analysis found that the incidence of POCD was significantly higher following CABG than after OPCAB during the perioperative period (1-2 weeks) and at 3 months postsurgery. There were no significant between-group differences at 6 or 12 months postsurgery. CONCLUSIONS: Compared with CABG, OPCAB was found to be associated with a reduced incidence of early-stage POCD. Caution must be taken when interpreting these findings because of limitations in the available data.
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