Incidence of pouch-related complications in patients with IPAA compares favorably with incidence in patients with ileostomy or Kock pouch. Operative rate for complications was 0 percent in IPAA patients compared with 9 percent in patients with ileostomy and 19 percent in patients with Kock pouch. The cesarean section rate was higher in patients with IPAA than in those with ileostomy or Kock pouch, and this may be caused by uncertainty about how to manage delivery in patients with IPAA. Pregnancy and childbirth are well tolerated in women with IPAA, with a lower complication rate and a higher cesarean section rate than women with ileostomy or Kock pouch. Type of delivery should be influenced by obstetric considerations, with vaginal delivery avoided in patients with a noncompliant, rigid perineum.
The ileal pouch-anal operation is the procedure of choice for those suitable patients requiring surgery for chronic ulcerative colitis or familial adenomatous polyposis. The functional results are generally good but pouchitis remains a significant and poorly understood complication. This review encompasses factors relating to pouchitis, e.g., bacteriological, functional and histological changes, with emphasis on its biology and treatment, and the long-term implications.
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