According to the literature report, the aim of this prospective study was to assess the influence of morphological characteristics of anastomotic doughnuts on the risk of anastomotic leakage (al) after double-stapled colorectal anastomosis.This single-center prospective study enrolled all patients undergoing double-stapled colorectal anastomosis between december 2012 and december 2015.Maximal diameter and minimal and maximal heights and widths of both colonic and rectal doughnuts were measured by surgeons in the operating room.In patients undergoing laparoscopic surgery for colorectal cancer, a 5-cm incision in the right iliac fossa was used for colonic purse placement.The technique for suture of the purse was either hand-sewn or using a purse string device.Post-operative complications included: 17 patients had anastomotic leakage, 12 patients had intra-abdominal abscess, 3 patients had peritonitis, 13 patients had wound infection, 18 patients had ileus, and 13 patients had re-operation.
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