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However, pouchitis may develop in up to 70% of patients after this procedure and significantly impair quality of life, more so if the inflammation becomes a chronic condition. About 10% of patients with IBD who develop pouchitis require pouch excision, and several risk factors of the failure have been reported. A phenotype that has features similar to Crohn\u2019s disease may develop in a subset of ulcerative colitis patients following proctocolectomy with IPAA and is the most frequent reason for pouch failure. In this review, we discuss the diagnosis and prognosis of pouchitis, risk factors for pouchitis development, and treatment options for pouchitis, including the newer biological agents.<\/jats:p>","DOI":"10.5217\/ir.2020.00047","type":"journal-article","created":{"date-parts":[[2020,11,3]],"date-time":"2020-11-03T06:57:07Z","timestamp":1604386627000},"page":"1-11","update-policy":"https:\/\/doi.org\/10.5217\/crossmark_policy","source":"Crossref","is-referenced-by-count":49,"title":["Pouchitis in inflammatory bowel disease: a review of diagnosis, prognosis, and 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