BACKGROUND: This study aims to evaluate the colonic anastomotic healing testing of all layers suture and single layer suture using an intraluminal protector. The intraluminal protector was shaped from a Penrose drain and then fixed 10 cm from the superior end of the anastomotic site. METHODS: Colonic anastomoses were done in 10 dogs, which were sutured, in the proximal segment with an intraluminal protector made of Penrose n.3 drain, using interrupted mucosal / submucosal suture. In the subsequent anastomoses, the animals were subdivided in two experimental groups: 1 - in all layers and 2 - extramucosal. In the seventh postoperative day, a tissue fragment was collected for histopathological analysis. RESULTS: Group 2 histopathological examinations had a better scar (extramucosal suture), characterized by a lesser inflammatory process than in animals in which all layers suture was used (group 1). CONCLUSION: The use of extramucosal suture was better than total suture in colonic anastomoses with the presence of an intraluminal protector.
Anastomosis, surgical; Colon; Dogs; Suture Techniques; Wound healing
