Distal subtotal gastrectomy and gastreectomy in surgical treatment of patients with gastric cancer: a systematic review and meta-analysis

Khirurgiia
S I PaninA V Bykov

Abstract

To analyze the randomized controlled trials (RCTs) devoted to distal subtotal gastrectomy and gastrectomy with D2 lymphadenectomy in patients with distal gastric cancer. RCTs were searched in the electronic library, the Cochrane Community database, and PubMed database. A systematic review and meta-analysis were carried out in accordance with the recommendations of the Cochrane Community experts (Higgins et al. 2019). Mathematical calculations of a meta-analysis were made using RevMan 5.3 software package. Statistical criteria were calculated for relative risk (RR), hazard ratio (HR), 95% confidence interval (95% CI) and significance level (p). Seven primary RCTs were selected. A total number of 1463 surgical interventions with D2 lymphadenectomy were observed (805 patients underwent distal subtotal gastrectomy, 658 - gastrectomy). Postoperative mortality is significantly higher (6.5% and 2.6%) after gastrectomy compared to subtotal distal gastrectomy (RR 2.2, 95% CI 1.34-3.64, I2 0%, fixed effect model). Postoperative complications are also significantly more common (28% and 14%) after gastrectomy (RR 1.72, 95% CI 1.16-2.55, I2 heterogeneity 49%, random effect model). Differences in overall five-year survival after gastrectomy ...Continue Reading

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