YANGJie 1,2 , WEIShi-you 2 , ZHOUYing 2 , YULe 2 , GAOQiang 1,2 , CHENLong-qi 1,2
  • 1. Department of Thoracic Surgery, West China Hospital, Sichuan University, Chengdu 610041, P. R. China;
  • 2. West China School of Medicine, Sichuan University, Chengdu 610041, P. R. China;
CHENLong-qi, Email: drchenlq@gmail.com
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Objective To investigate the influence of semi-mechanical and hand-sewn esophagogastric anastomoses on postoperative anastomostic complications in patients undergoing esophagectomy. Methods A systematic, computer-aided literature search was performed in PubMed, OVID, CNKI and BioMed databases for studies which were published from database establishment to December 2013. A manual literature search was also performed. We included randomized controlled trials (RCT)and observational studies which investigated the influence of semi-mechanical and conventional hand-sewn esophagogastric anastomoses on postoperative anastomostic complications. Quality assessment and data extraction were performed, and RevMan 5.2 was used for meta-analysis. Results Twelve relevant studies with 1 271 patients were included (3 RCTs and 9 observational studies).No significant heterogeneity among the 12 trials was found, so fixed effects model was used for meta-analysis.There was statistical difference in the incidence of postoperative anastomotic leak between hand-sewn and semi-mechanical esophagogastric anastomoses[RCT RR=0.34, 95%CI (0.12, 0.97), P < 0.05;observational studies OR=0.40, 95%CI (0.26, 0.62), P < 0.05]. Postoperative incidence of anastomostic stricture was reported in all 12 studies. There was statistical difference in the incidence of postoperative anastomotic stricture between hand-sewn and semi-mechanical esophagogastric anastomoses[RCT RR=0.14, 95%CI (0.04, 0.47), P < 0.05;observational studies OR=0.22, 95%CI (0.15, 0.34), P < 0.000 1]. Conclusions Compared with conventional hand-sewn anastomosis, semi-mechanical esophagogastric anastomosis can significantly reduce the incidence of postoperative anastomostic leak and stricture. Due to limited quantity and quality of included studies, more high-quality studies with larger sample size including RCT and non-randomized studies are needed to confirm these findings.

Citation: YANGJie, WEIShi-you, ZHOUYing, YULe, GAOQiang, CHENLong-qi. Comparison of Influence of Semi-mechanical and Hand-sewn Esophagogastric Anastomoses on Postoperative Anastomotic Complications:A Systematic Review and Meta-analysis. Chinese Journal of Clinical Thoracic and Cardiovascular Surgery, 2014, 21(5): 663-669. doi: 10.7507/1007-4848.20140192 Copy

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