- The ileoanal reservoir procedure is a surgical treatment option for chronic ulcerative colitis, colon cancer and familial polyposis patients who need to have their large intestine (colon) removed. An ileoanal reservoir (or pouch) is an internal pouch formed of small intestine. This pouch provides a storage place for stool in the absence of the large intestine. Anal sphincter muscles assist in holding in the stool. Several times a day, stool is passed through the anus.
- Ileoanal reservoir surgery is a widely accepted surgical treatment for ulcerative colitis or familial polyposis because it eliminates the disease, gives the patient control of bowel movements and does not require a permanent ileostomy. Each patient considering this surgery is carefully evaluated to determine if this procedure is appropriate for them. This procedure is performed in one, two or three stages, but is most often done in two stages, usually 2-3 months apart.
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