• Department of Anesthesiology, The First Affiliated Hospital of China Medical University, Shenyang 110001, China;
MAHong, Email: mahong5466@yahoo.com
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Objective To systematically evaluate the effect of Dexmedetomidine (Dex) on postoperative cognitive dysfunction (POCD) of Chinese patients undergoing abdominal surgeries. Methods We searched databases including PubMed, Web of Science, CNKI, CBM, VIP and WanFang Data from inception to April 2015, to collect randomized controlled trials (RCTs) about evaluating the effect of Dex on POCD of Chinese patients undergoing abdominal surgeries. Two reviewers independently screened literature, extracted data and assessed the risk of bias of included studies. Then, RevMan 5.3 software was used for meta-analysis. Results A total of 8 RCTs were included. The results of meta-analysis showed that:compared with the control group, the MMSE scores of the Dex group were higher after surgeries in the first day (MD=1.46, 95%CI 0.98 to 1.95, P<0.000 01), the second day (MD=2.46, 95%CI 2.11 to 2.81, P<0.000 01), the third day (MD=1.81, 95%CI 0.37 to 3.25, P=0.01) and the seventh day (WMD=2.03, 95%CI 1.64 to 2.43, P<0.000 01). Conclusion Current evidence shows that the usage of Dex during abdominal surgeries can reduce the incidence of POCD in Chinese patients. Due to the limited quantity and quality of included studies, more high quality studies are needed to verify the above conclusion.

Citation: SHIYue, LIYu, MAHong. Effect of Dexmedetomidine on Postoperative Cognitive Dysfunction of Chinese Patients undergoing Abdominal Surgeries: A Meta-analysis. Chinese Journal of Evidence-Based Medicine, 2015, 15(10): 1168-1173. doi: 10.7507/1672-2531.20150194 Copy

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