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[The best anastomoses after colonic resection].

Among the numerous anastomotic techniques after colonic resection, the mechanical sutures using staplers have been credited with a lower incidence of anastomotic leakage than hand-sewn anastomoses. This hypothesis has been tested in two multicentre, prospective, randomized trials after right hemicolectomy for carcinoma and after left colectomy with colorectal anastomosis. After right hemicolectomy, the stapled anastomosis using the GIA and TA staplers appeared to be superior to all hand-sewn anastomoses. This superiority was not apparent after left colectomy followed by colorectal anastomosis. Although the leakage rate of stapled anastomoses was similar to hand-sewn anastomoses, they carry a high rate of intra-operative mishaps. Furthermore, the stapler does not permit a lower anastomosis in this study. Finally, the overall cost of a stapled anastomosis is superior to the cost of an hand-sewn anastomosis.