• Jiaxiao Shi, Ang Li, Zhijian Wei, Yang Liu, Cong Xing, Hongyu Shi, Han Ding, Dayu Pan, Guangzhi Ning, and Shiqing Feng.
• Department of Orthopaedics, Tianjin Medical University General Hospital, No.154 Anshan Road, Heping District, Tianjin 300052, PR China; Tianjin Neurological Institute, Key Laboratory of Post-Neuroinjury Neuro-repair and Regeneration in Central Nervous System, Ministry of Education and Tianjin City, No. 154 Anshan Road, Heping District, Tianjin 300052, PR China.
• Am J Emerg Med. 2018 Jul 1; 36 (7): 1280-1286.

ObjectivesThe application of atropine for pediatric sedation in the emergency department remains controversial. Our objective was to perform a comprehensive review of the literature and assess the clinical indexes in groups with and without atropine use.MethodsPubMed, EMBASE, and the Cochrane Library were searched for randomized and non-randomized studies that compared ketamine and ketamine plus atropine for pediatric sedation. The risk ratio with 95% confidence interval was calculated using either a fixed- or random-effects model according to the value of I2.ResultsOne retrospective study and four randomized controlled trials were identified to compare the clinical indexes. For the clinical indexes, the ketamine plus atropine group had better outcomes than the ketamine group in hypersalivation (P<0.05), but indexes of rash and tachycardia were worse. The two methods of sedation were comparable for nausea, vomiting, desaturation, agitation and laryngospasm (P>0.05).ConclusionsBased on the current evidence, the group receiving atropine had reduced hypersalivation and increased rash and tachycardia; no differences were observed in nausea, vomiting, desaturation, agitation and laryngospasm between the two groups. Given that some of the studies were of low quality, additional high-quality randomized controlled trials should be conducted to further verify these findings.Copyright © 2018 Elsevier Inc. All rights reserved.

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