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Background: Pouchitis is the most common long-term complication in patients with ulcerative colitis who underwent restorative proctocolectomy with ileal pouch-anal anastomosis. The incidence of acute pouchitis is 20% after 1 year and up to 40% after 5 years. Chronic antibiotic-refractory pouchitis develops in approximately 10% of patients.
Aim: To present a narrative review of published literature regarding the management of chronic antibiotic-refractory pouchitis.
Methods: Current relevant literature was summarized and critically evaluated.
Results: Clear definitions should be used to classify pouchitis into acute versus chronic, and responsive versus dependent versus refractory to antibiotics. Before treatment is started for chronic antibiotic-refractory pouchitis, secondary causes should be ruled out. There is a need for validated scoring systems to measure the severity of the disease. Because chronic antibiotic-refractory pouchitis is a rare condition, only small studies with often a poor study design have been performed. Treatments with antibiotics, aminosalicylates, steroids, immunomodulators and biologics have shown to be effective and safe for chronic antibiotic-refractory pouchitis. Also, treatments with AST-120, hyperbaric oxygen therapy, tacrolimus enemas, and granulocyte and monocyte apheresis suggested some efficacy.
Conclusion: The available data are weak but suggest that therapeutic options for chronic antibiotic-refractory pouchitis are similar to the treatment strategies for inflammatory bowel diseases. However, randomized controlled trials are warranted to further identify the best treatment options in this patient population.
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http://dx.doi.org/10.2147/CEG.S219556 | DOI Listing |
United European Gastroenterol J
August 2025
Gastro Unit, Medical Section, Copenhagen University Hospital-Amager and Hvidovre, Hvidovre, Denmark.
Background: Ileal pouch-anal anastomosis (IPAA) is the preferred intervention for ulcerative colitis (UC) patients whose medical treatment fails. Acute severe ulcerative colitis (ASUC) can precipitate the need for urgent surgery, potentially influencing post-IPAA outcomes.
Objective: This study details the incidence, disease course, and treatment of pouchitis and pouch failure in a population-based cohort of UC patients following IPAA construction.
Clin Gastroenterol Hepatol
July 2025
Division of Gastroenterology, Department of Medicine, Western University, London, Ontario, Canada; Alimentiv Inc, London, Ontario, Canada; Department of Epidemiology and Biostatistics, Western University, London, Ontario, Canada. Electronic address:
Background & Aims: No fully validated indices to measure pouchitis activity exist. We aimed to develop and externally validate a novel endoscopic and histologic index.
Methods: Endoscopists and pathologists used 11 (4 endoscopic, 4 histologic, 3 composite) existing indices and items from a prior Research and Development/University of California Los Angeles appropriateness exercise to assess pouchitis disease activity in videos and images from 98 patients with chronic antibiotic-refractory pouchitis who participated in a randomized placebo-controlled alicaforsen trial.
Case Rep Gastrointest Med
June 2025
Department of Gastroenterology, University of Balamand, Beirut, Lebanon.
We present the case of a 39-year-old woman with a history of severe ulcerative colitis (UC) that was refractory to 5-aminosalicylates, corticosteroids, and biologics, and who subsequently underwent total colectomy with ileal pouch-anal anastomosis (IPAA). She developed chronic antibiotic-refractory pouchitis (CARP) characterized by recurrent abdominal pain, cramping, and diarrhea unresponsive to standard treatments. A comprehensive workup, including testing for anti-tissue transglutaminase IgA antibodies, led to the diagnosis of de novo celiac disease, confirmed by endoscopic and histopathologic findings.
View Article and Find Full Text PDFCurr Gastroenterol Rep
June 2025
Vatche and Tamar Manoukian Division of Digestive Diseases, Department of Medicine, David Geffen School of Medicine at UCLA, Los Angeles, CA, USA.
Purpose Of Review: Pouchitis is a common complication in patients with ulcerative colitis who undergo total colectomy with ileal pouch anal anastomosis that presents a challenge to clinicians. In the article, we review the management of patients with pouchitis based on best available evidence.
Recent Findings: Pouchitis can be practically classified into acute intermittent pouchitis (AIP), chronic antibiotic dependent pouchitis (CADP) and chronic antibiotic refractory pouchitis (CARP) based on the frequency of pouchitis episodes and response to antibiotics.
Oral Surg Oral Med Oral Pathol Oral Radiol
September 2025
Department of Oral Surgery, Guy's & St Thomas' Hospital London, England, UK. Electronic address:
Objective: Secondary chronic osteomyelitis (SCO) is a complex condition and often requires the use of long-term antimicrobial treatment, surgical input, or, in severe cases, a combined aggressive approach. The current clinical outcome review examines the use of oral bisphosphonates in the management of antimicrobial refractory SCO.
Study Design: The current case series retrospectively reviews refractory SCO cases which have failed to achieve control and healing via antimicrobial treatment using both broad spectrum and long-term antimicrobials leaving radical surgery as the only viable option.