Anastomosis of the ileum to the distal colon or rectum in cats with megacolon may result in the development of watery feces
because of loss of the ileocolic valve, which reduces access of colonic bacteria into the small intestines.3 Additionally, loss of ileum may reduce water absorption capacity of the intestines. Colocolic anastomosis results in more
tension across the anastomotic site because the vascular pedicle to the ascending colon is shorter than that to the ileum.3
Karen M. Tobias, DVM, MS, DACVS
Ryan Ayres, BS
Department of Small Animal Clinical Sciences
College of Veterinary Medicine
The University of Tennessee
Knoxville, TN 37996-4544
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