• Lv Yong and Bai Guang.
• Department of Surgery, The First Affiliated Hospital of JinZhou Medical University, China. Electronic address: 18141646570@163.com.
• Int J Surg. 2016 Dec 1; 36 (Pt A): 358-368.

AbstractThe aim is to assess the benefits and harms of routine abdominal drainage in laparoscopic cholecystectomy. We searched the Cochrane Central Register of Controlled Trials (CENTRAL) in The Cochrane Library, MEDLINE, EMBASE, and Science Citation Index Expanded until August 2016. We included all randomised clinical trials comparing drainage versus no drainage after laparoscopic cholecystectomy irrespective of language and publication status. We used standard methodological procedures in accordance with the PRISMA guidelines. A total of 2398 participants were randomised to drain (1197 participants) versus 'no drain' (1201 participants) in 16 trials included in this article. Pain 24 h after surgery was less severe in the no drain group (MD1.31; 95% CI, 0.96 to 1.65; p < 0.00001). Abdominal drainage prolonged operative time (MD 5.77 min; 95% CI 4.98 min-6.57 min; p < 0.00001) but not the length of hospital stay (MD 0.21 days; 95% CI -0.00 days to 0.42 days; p = 0.05). No significant difference was present with respect to the intra-abdominal fluid, wound infection, nausea or vomit, mortality after operation. There is no significant advantage of drain placement after laparoscopic cholecystectomy. Further well designed randomized clinical trials should be carefully re-considered.Copyright © 2016 IJS Publishing Group Ltd. Published by Elsevier Ltd. All rights reserved.

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