J Pouch

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Also known as ileo-anal pouch, the j-pouch is an internal pouch created out of the end of the small intestine (ileum), a surgery performed generally in conjunction with the removal of the colon and rectum. The name is derived from the shape of the pouch that is created from the ileum during surgery. J-pouch surgery is an option for Crohn’s disease and ulcerative colitis sufferers who require a proctocolectomy (removal of the colon and rectum), but who can retain healthy sphincter muscles and anus. The first stage of the surgery removes the colon and rectum, creates a j-pouch that is connected to the anus, and performs a temporary ileostomy (external valve through which waste can drain into a bag). The temporary ileostomy is removed after three months, allowing the internal j-pouch sufficient time to heal. Patients can then pass stool through their anus as prior to the surgery.

While j-pouch surgery is considered a cure for patients with ulcerative colitis, patients suffering from Crohn’s disease may not benefit from the surgery, due to the risk of inflammation occurring in the pouch or other areas of the intestine. Complications may include pouchitis (inflammation of the pouch), bowel obstruction, or total pouch failure.