• Ping Yang, Xiu-Feng Lin, Kai Lin, and Wei Li.
• Department of Gastrointestinal Surgery, Eastern Hospital, Sichuan Academy of Medical Sciences & Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China Affiliated Hospital & Sichuan Provincial People's Hospital. Sichuan Province, China.
• Rev Invest Clin. 2018 Jan 1; 70 (6): 269-278.

BackgroundThe role of self-expanding metallic stents (SEMS) as a bridge to surgery for acute left-sided obstructive colorectal cancer has remained controversial.ObjectiveTo study the efficacy of this approach, we performed a meta-analysis at the gastrointestinal surgery center of Sichuan Academy of Medical Sciences and Sichuan Provincial People's Hospital (Eastern Hospital).MethodsTwo PubMed and science-direct electronic databases were searched up to December 30, 2017. Eligible studies were randomized controlled trials (RCTs).ResultsWe selected 8 RCTs articles, which included 497 cases. The directly stoma rates were significantly lower in the stent group (odds ratio [OR] = 0.46, 95% confidence intervals [CIs] = 0.30-0.70, p = 0.0003). The successful primary anastomosis rates were significantly higher in the stent group (OR = 2.29, 95% CIs = 1.52-3.45, p < 0.0001). The post-procedural complication rates were significantly lower in the stent group (OR = 0.39, 95% CI = 0.18-0.82, p = 0.01). However, tumor recurrence rates were significantly higher in the stent group (OR = 1.79, 95% CI = 1.09-2.93, p = 0.02). Conclusions This meta-analysis confirms that SEMS placement could reduce direct stoma rate and increases the successful primary anastomosis rate; however, it was associated with a seemingly higher incidence of tumor recurrence.Copyright: © 2017 SecretarÍa de Salud.

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