• Department of Anesthesiology, The First Affiliated Hospital of China Medical University, Shenyang 110001, China;
MA Hong, Email: mahong5466@yahoo.com
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Objective  To assess the influence of dexmedetomidine on the recovery of pediatric patients after sevoflurane anesthesia.
Methods  Such databases as PubMed (1966 to March 2012), The Cochrane Library (Issue 1, 2012), EBSCO (ASP) (1984 to March 2012), Journals@Ovid Full Text (1993 to March 2012), CBM (1978 to March 2012), CNKI (1979 to March 2012), VIP (1989 to March 2012), and WanFang Data (1998 to March 2012) were searched to collect randomized controlled trials (RCTs) about the influence of dexmedetomidine on the recovery of pediatric patients after sevoflurane anesthesia, and the references of the included studies were also retrieved. Two researchers extracted the data and evaluated the methodological quality of the included studies independently. Then the RevMan 5.2 software was used for meta-analysis.
Results  A total of 16 RCTs involving 1 217 patients were included. The results of meta-analysis showed that, compared with the placebo, dexmedetomidine could reduce the occurrence of emergence agitation (OR=0.18, 95%CI 0.13 to 0.25, P lt;0.000 01) and increase the occurrence of postoperative lethargy (OR=0.14, 95%CI 0.03 to 0.68, P=0.01), but there were no differences in the occurrence of side effects including bronchospasm, bucking, breathholding, and oxygen desaturation. Dexmedetomidine could also reduce mean arterial blood pressure (MAP) and heart rate (HR) of pediatric patients during the recovery period after sevoflurane anesthesia, but it increased emergence time (MD=2.14, 95%CI 0.95 to 3.33, P=0.000 4), extubation time (MD=1.26, 95%CI 0.51 to 2.00, P=0.000 9) and the time of staying in PACU (MD=4.72, 95%CI 2.07 to 7.38, P=0.000 5).
Conclusions  For pediatric patients recovering from sevoflurane-based general anesthesia, dexmedetomidine can reduce the occurrence of emergence agitation, and is helpful to maintain the hemodynamic balance. But it prolongs emergence time, extubation time (or the time of using the laryngeal mask) and the time of staying in PACU, and increases the occurrence of postoperative lethargy.

Citation: CHEN Fengshou,MA Hong. Dexmedetomidine in Pediatric Patients during the Recovery Period after Sevoflurane-Based General Anesthesia: A Meta-Analysis. Chinese Journal of Evidence-Based Medicine, 2013, 13(5): 580-587. doi: 10.7507/1672-2531.20130102 Copy

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