Gastroenterology Research and Practice / 2017 / Article / Tab 1 / Review Article
Routine Drainage of Colorectal Anastomoses: An Evidence-Based Review of the Current Literature Table 1 Summary of the studies that favored routine drainage after colorectal anastomosis.
Studies of prodrainage Type of study Level of evidence† Level of anastomosis Method of anastomosis Use of diverting stoma Peeters et al. 2005 [5 ] Retrospective VI Colorectal Side to end or colonic pouch anastomosis 56.6% Qu et al. 2015 [6 ] Systematic review and meta-analysis IIa Colorectal Double stapled in 8 trials and handsewn or stapled in 6 trials 22.5% (4 trials) Kawada et al. 2014 [7 ] Retrospective VI Colorectal Double stapled 0 Akiyoshi et al. 2011 [8 ] Prospective cohort IIb Colorectal Double stapled 18.5% Rondelli et al. 2014 [9 ] Systematic review and meta-analysis IIa Colorectal Stapled in 2 trials and handsewn or stapled in 8 trials 43.5% (five trials) Tsujinaka et al. 2008 [11 ] Retrospective VI Colorectal Stapled 88% and handsewn 12% 23.5%
† indicates levels of evidence proposed by the Oxford Centre for Evidence-Based Medicine (Meakins JL. Innovations in surgery: the rules of evidence. Am J Surg. 2002; 183: 399–405).