VSR 421: Regional Veterinary Surgery (2+1)

ENTEROANASTOMOSIS

Indications

• For removing ischemic, necrotic, neoplastic or infected segments of intestine.
• Irreducible intussusceptions.

Surgical technique

• Along mid line of the abdomen,  incision, is made sufficient enough to explore the abdomen.
• Explore the abdomen thoroughly and collect any non intestinal specimens, then exteriorize and isolate the diseased intestine from the abdomen by packing with laparotomy sponges
• Assess intestinal viability prior to determining the length of intestine requirng  resection
•  Double ligate and transect the arcadial mesenteric vessels from the cranial mesenteric artery.
• Double ligate the terminal arcade vessels within the mesenteric fat at the points of proposed intestinal transection.
• Place forceps across each end of the diseased bowel segment.
• Transect the intestine with either scapel blade or metzenbaum scissors along the out side of the forceps.
• Make the incision either perpendicular or oblique to the long axis.
• Make the oblique incision such that the antimesenteric border is shorter than the mesenteric border.
• Suction the intestinal ends and remove any debris adhering to the intestinal edges of the segment with a mositered gauge sponge.
•  Trim everting mucosa with metzenbaum scissors prior to application of anastomotic sutures.
• Place simple interrupted suture through all layers of intestinal wall.
• Laparotomy incision is sutured and bandaged.