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Meta-analysis of Outcomes Compared between Robotic and Laparoscopic Gastrectomy for Gastric Cancer

  • Liao, Gui-Xiang (Department of Radiation Oncology, Nanfang Hospital of Southern Medical University) ;
  • Xie, Guo-Zhu (Department of Radiation Oncology, Nanfang Hospital of Southern Medical University) ;
  • Li, Rong (Department of Radiation Oncology, Nanfang Hospital of Southern Medical University) ;
  • Zhao, Zhi-Hong (Department of Nephrology, The Third Affiliated Hospital of Southern Medical University) ;
  • Sun, Quan-Quan (Department of Radiation Oncology, Nanfang Hospital of Southern Medical University) ;
  • Du, Sha-Sha (Department of Radiation Oncology, Nanfang Hospital of Southern Medical University) ;
  • Ren, Chen (Department of Radiation Oncology, Nanfang Hospital of Southern Medical University) ;
  • Li, Guo-Xing (Department of General Surgery, Nanfang Hospital of Southern Medical University) ;
  • Deng, Hai-Jun (Department of General Surgery, Nanfang Hospital of Southern Medical University) ;
  • Yuan, Ya-Wei (Department of Radiation Oncology, Nanfang Hospital of Southern Medical University)
  • Published : 2013.08.30

Abstract

This meta-analysis was performed to evaluate and compare the outcomes of robotic gastrectomy (RG) and laparoscopic gastrectomy (LG) for treating gastric cancer. A systematic literature search was carried out using the PubMed database, Web of Knowledge, and the Cochrane Library database to obtain comparative studies assessing the safety and efficiency between RG and LG in May, 2013. Data of interest were analyzed by using of Review Manager version 5.2 software (Cochrane Collaboration). A fixed effects model or random effects model was applied according to heterogeneity. Seven papers reporting results that compared robotic gastrectomy with laparoscopic gastrectomy for gastric cancer were selected for this meta-analysis. Our metaanalysis included 2,235 patients with gastric cancer, of which 1,473 had undergone laparoscopic gastrectomy, and 762 had received robotic gastrectomy. Compared with laparoscopic gastrectomy, robotic gastrectomy was associated with longer operative time but less blood loss. There were no significant difference in terms of hospital stay, total postoperative complication rate, proximal margin, distal margin, numbers of harvested lymph nodes and mortality rate between robotic gastrectomy and laparoscopic gastrectomy. Our meta-analysis showed that robotic gastrectomy is a safe technique for treating gastric cancer that compares favorably with laparoscopic gastrectomy in short term outcomes. However, the long term outcomes between the two techniques need to be further examined.

Keywords

Meta-analysis;robotic;laparoscopic;gastrectomy;gastric cancer

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