Ulcerative colitis hub
When Surgery Cures UC: Colectomy & J-Pouch (IPAA)
Last Updated Nov 11, 2025

Curative surgery for ulcerative colitis removes the diseased colon and rectum. Many people then choose an ileal pouch–anal anastomosis, often called a J‑pouch or IPAA. This creates an internal pouch from the small intestine, so stool still passes through the anus. Surgery can be done in stages. Recovery takes time, and most regain good daily function. Long‑term risks include pouchitis and, for some, lower fertility.
Key takeaways
Colectomy cures colitis by removing the colon and rectum. Extraintestinal issues, like primary sclerosing cholangitis, may persist. (pubmed.ncbi.nlm.nih.gov)
After adaptation, typical pouch function is about 4–8 stools per day and 0–2 at night. (pmc.ncbi.nlm.nih.gov)
Pouchitis is common. About half have an episode within 2 years, and some develop chronic forms that need ongoing treatment. (pubmed.ncbi.nlm.nih.gov)
Pouch failure is uncommon. About 6% overall, rising to about 9% after 10 years. (pmc.ncbi.nlm.nih.gov)
In women, fertility is lower after IPAA, roughly a three to fourfold increased risk of infertility compared with pre‑surgery. (pubmed.ncbi.nlm.nih.gov)
What “curative” surgery means
A total proctocolectomy removes the colon and rectum, which cures colitis in the large bowel.
An IPAA connects a new pouch, made from the ileum, to the anus. Stool passes normally, without a permanent bag.
Some extraintestinal manifestations can improve, but others may continue. Primary sclerosing cholangitis is a key example that usually persists. (pubmed.ncbi.nlm.nih.gov)
Who is surgery for
Common reasons include:
Severe disease that does not respond to medicines.
Complications, such as bleeding, perforation, toxic megacolon, or hospitalization for acute severe UC.
Cancer or high‑grade dysplasia, or dysplasia not safely removable.
Intolerable side effects or poor quality of life despite optimized therapy.
Guidelines favor a staged approach when patients are on high‑dose steroids or certain biologics, and in emergencies. (reference.medscape.com)
The operations and stages
Most people have a two‑ or three‑stage plan. Timing can vary based on health, nutrition, and medicines.
Three‑stage approach
1) Total abdominal colectomy with end ileostomy, rectum left in place.
2) Remove rectum, create the pouch, and make a temporary loop ileostomy.
3) Close the ileostomy after healing, often 8 to 12 weeks later. (crohnscolitisfoundation.org)Two‑stage approach
1) Remove colon and rectum, create the pouch and a temporary loop ileostomy.
2) Close the ileostomy after healing tests.One‑stage, without diversion, is uncommon and reserved for very low‑risk cases.
Enhanced Recovery After Surgery programs shorten hospital stays and reduce complications with steps like early eating, early walking, and optimized pain control. Pre‑op stoma teaching reduces dehydration risk. (pubmed.ncbi.nlm.nih.gov)
Life right after surgery
Hospital stay is usually a few days, longer if complications occur.
With a temporary ileostomy, output is liquid. Hydration, salt, and stoma teaching are essential to prevent dehydration.
Before ileostomy closure, the pouch is checked for healing, often with contrast imaging and a brief scope.
Adapting to a new normal
After ileostomy closure, stool frequency is high at first, then falls over weeks to months as the pouch stretches.
Most settle near 4–8 stools by day and up to 2 at night. Small leakage or urgency can happen, especially early. Diet tweaks, fiber, and antidiarrheals often help. Pelvic floor therapy can help control. (pmc.ncbi.nlm.nih.gov)
Long‑term outcomes and risks
Pouchitis
The most common problem. About 48% have pouchitis within 2 years. Many respond to a short antibiotic course. Recurrent or chronic pouchitis may need probiotics, rotating antibiotics, budesonide, or advanced therapies used in IBD. (pubmed.ncbi.nlm.nih.gov)Crohn’s‑like disease of the pouch
A subset develop fistulas, strictures, or prepouch ileitis that behave like Crohn’s. Estimates vary, around 10% over time. These cases often need biologics or small‑molecule medicines. (pmc.ncbi.nlm.nih.gov)Pouch failure
Most pouches last. Meta‑analysis shows about 6% overall failure, increasing to about 9% with follow‑up beyond 10 years. Failure means permanent diversion or pouch removal. (pmc.ncbi.nlm.nih.gov)Cancer risk after IPAA
The colon is gone, so colorectal cancer risk falls greatly. Rare cancers can occur in the small rectal cuff or pouch, especially in people with primary sclerosing cholangitis or prior dysplasia. Many centers scope high‑risk patients, or those with symptoms. (pubmed.ncbi.nlm.nih.gov)Fertility, sexual, and urinary function
In women, infertility risk rises after IPAA, likely from pelvic adhesions. Meta‑analysis shows a fourfold increase compared with pre‑surgery. Early fertility counseling is important. Men and women can have temporary sexual or urinary changes from pelvic nerve irritation. (pubmed.ncbi.nlm.nih.gov)
Choosing between IPAA and a permanent ileostomy
Both options can provide excellent quality of life. IPAA avoids a permanent stoma but carries risks of pouchitis and more trips to the bathroom. A permanent end ileostomy avoids pouchitis and may have steadier bowel control, but it requires appliances and skin care. Studies generally find overall quality of life similar when surgery solves symptoms, so personal preference matters. (pubmed.ncbi.nlm.nih.gov)
Options at a glance
Option | What it involves | Bowel route | Pros | Considerations |
|---|---|---|---|---|
IPAA (J‑pouch) | Remove colon and rectum, create ileal pouch, usually with temporary ileostomy | Through anus | No permanent bag, good long‑term function for most | Pouchitis common, small risk of failure, female fertility lower |
Permanent end ileostomy | Remove colon and rectum, bring small bowel to skin | Ostomy bag | No pouchitis, predictable routine | Requires lifelong appliances and stoma care |
Ileorectal anastomosis (rare in UC) | Remove colon, keep rectum | Through anus | Fewer pelvic adhesions | Not typical in UC due to rectal disease and cancer risk (reference.medscape.com) |
Follow‑up after surgery
Early: wound and stoma checks, hydration review, and teaching on diet and medicines.
After pouch creation: pouchoscopy if symptoms recur, and before ileostomy closure.
Long term: visit the care team if frequency, urgency, bleeding, fevers, or pelvic pain appear. People with PSC or prior dysplasia usually need periodic pouch or cuff surveillance. (pubmed.ncbi.nlm.nih.gov)
FAQs
How many bowel movements are typical with a mature pouch
Most people average 4–8 stools during the day and up to 2 at night after the pouch adapts. (pmc.ncbi.nlm.nih.gov)
How long between stages
When a loop ileostomy is used, closure often happens 8 to 12 weeks after pouch creation, once healing is confirmed. (crohnscolitisfoundation.org)
Can pouchitis be prevented
There is no proven way to prevent first‑time pouchitis. For recurrent episodes, guideline‑supported options include probiotics after antibiotics, rotating antibiotics, and advanced therapies for chronic cases. (gastro.org)
What if someone prefers no internal pouch
A permanent end ileostomy is a valid choice with good quality of life for many. Shared decision‑making is key. (pubmed.ncbi.nlm.nih.gov)