BACKGROUND: The recent publication of 5-year survival data for the Italian Gastric Cancer Study Group (IGCSG) D1 versus D2 lymphadenectomy for gastric cancer trial adds important data for analysis of whether a D2 lymphadenectomy improves survival. METHODS: Systematic searches were conducted using Medline, Embase, and the Cochrane Central Register of Controlled Trials from January 1, 1985 to February 1, 2014. Meta-analyses were performed using RevMan version 5 software. Long-term outcomes were analyzed. Subgroup analyses of T and N stage were performed. RESULTS: Outcomes of four randomized, controlled trials involving 1,599 patients (823 D1: 776 D2) enrolled from 1982 to 2005 were included for qualitative analysis and quantitative meta-analysis. Despite the addition of long-term survival data from the IGCSG, 5-year overall and nodal status survival was similar between D1 and D2 trials. However, subgroup analysis revealed a survival benefit for T3 patients (odds ratio 1.64, 95 % confidence interval 1.01-2.67) and a trend for survival benefit for advanced nodal stage (odds ratio 1.36, 95 % confidence interval 0.98-1.87) with D2 compared with D1 lymphadenectomy. CONCLUSIONS: As recent studies have demonstrated comparable short-term surgical outcomes for both D1 and D2 lymphadenectomies, consideration should be made for more extensive lymph node dissection among patients with advanced stage.
BACKGROUND: The recent publication of 5-year survival data for the Italian Gastric Cancer Study Group (IGCSG) D1 versus D2 lymphadenectomy for gastric cancer trial adds important data for analysis of whether a D2 lymphadenectomy improves survival. METHODS: Systematic searches were conducted using Medline, Embase, and the Cochrane Central Register of Controlled Trials from January 1, 1985 to February 1, 2014. Meta-analyses were performed using RevMan version 5 software. Long-term outcomes were analyzed. Subgroup analyses of T and N stage were performed. RESULTS: Outcomes of four randomized, controlled trials involving 1,599 patients (823 D1: 776 D2) enrolled from 1982 to 2005 were included for qualitative analysis and quantitative meta-analysis. Despite the addition of long-term survival data from the IGCSG, 5-year overall and nodal status survival was similar between D1 and D2 trials. However, subgroup analysis revealed a survival benefit for T3 patients (odds ratio 1.64, 95 % confidence interval 1.01-2.67) and a trend for survival benefit for advanced nodal stage (odds ratio 1.36, 95 % confidence interval 0.98-1.87) with D2 compared with D1 lymphadenectomy. CONCLUSIONS: As recent studies have demonstrated comparable short-term surgical outcomes for both D1 and D2 lymphadenectomies, consideration should be made for more extensive lymph node dissection among patients with advanced stage.
Authors: Alexandre Gosselin-Tardif; Jessica Lie; Ioana Nicolau; Juan Carlos Molina; Jonathan Cools-Lartigue; Liane Feldman; Jonathan Spicer; Carmen Mueller; Lorenzo Ferri Journal: J Gastrointest Surg Date: 2017-11-09 Impact factor: 3.452
Authors: K E Mulder; S Ahmed; J D Davies; C M Doll; S Dowden; S Gill; V Gordon; P Hebbard; H Lim; A McFadden; J P McGhie; J Park; R Wong Journal: Curr Oncol Date: 2016-12-21 Impact factor: 3.677
Authors: Piotr Małczak; Grzegorz Torbicz; Mateusz Rubinkiewicz; Natalia Gajewska; Nadia Sajuk; Kamil Rozmus; Michał Wysocki; Piotr Major; Andrzej Budzyński; Michał Pędziwiatr Journal: Cancer Manag Res Date: 2018-12-06 Impact factor: 3.989