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Chronic Bowel Disorders: Introduction01:17

Chronic Bowel Disorders: Introduction

Chronic bowel diseases are a group of long-term conditions affecting the digestive tract, characterized by inflammation and damage to the gut lining. These conditions primarily include irritable bowel syndrome and inflammatory bowel disease.
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Crohn's disease
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Inflammatory Bowel Disease V: Surgical Management

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Inflammatory Bowel Disease I: Introduction01:26

Inflammatory Bowel Disease I: Introduction

Inflammatory bowel disease is a group of chronic disorders marked by recurrent inflammation of the gastrointestinal tract due to an abnormal immune response against gut microflora. This leads to tissue damage. The two main forms are Crohn’s disease and ulcerative colitis.Crohn’s DiseaseCrohn’s disease is a relapsing inflammatory disorder that can affect any part of the GI tract, from the mouth to the anus. It involves all layers of the bowel wall (transmural) and shows “skip lesions” in which...
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Inflammatory Bowel Disease III: Crohn's Disease

Crohn’s disease is a chronic, relapsing form of inflammatory bowel disease characterized by segmental, transmural inflammation that can affect any part of the gastrointestinal tract. Its pathogenesis arises from a combination of genetic susceptibility, environmental exposures, epithelial barrier dysfunction, and immune dysregulation. Together, these factors lead to an exaggerated immune response against components of the gut microbiome.Genetic and Environmental InfluencesMultiple genetic...
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Inflammatory Bowel Disease IV: Clinical Manifestations

Inflammatory bowel disease (IBD) encompasses two major chronic disorders—ulcerative colitis and Crohn’s disease—each characterized by relapsing episodes of gastrointestinal inflammation. Although they share certain clinical features, their patterns of involvement and manifestations differ in ways that aid diagnosis and guide management.Ulcerative ColitisUlcerative colitis is limited to the colon and rectum and involves continuous inflammation of the mucosal layer. The disease course is marked...

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Chronic Salmonella Infection Induced Intestinal Fibrosis
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Refractory pouchitis: does it reflect underlying Crohn's disease?

K Subramani1, N Harpaz, J Bilotta

  • 1Department of Medicine, Mount Sinai Hospital, University of New York.

Gut
|November 1, 1993
PubMed
Summary
This summary is machine-generated.

Refractory pouchitis (RP) in ulcerative colitis patients does not appear to be misdiagnosed Crohn's disease. Instead, RP may involve immune system issues, potentially linked to extraintestinal complications.

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Area of Science:

  • Gastroenterology
  • Immunology
  • Colorectal Surgery

Background:

  • Pouchitis is a common complication following ileal pouch construction for ulcerative colitis.
  • Refractory pouchitis (RP) can present with features mimicking Crohn's disease, raising questions about initial diagnosis.

Purpose of the Study:

  • To investigate whether refractory pouchitis represents a misdiagnosis of underlying Crohn's disease.
  • To identify potential risk factors associated with the development of refractory pouchitis.

Main Methods:

  • Retrospective review of ulcerative colitis patients with ileal pouches (1973-1986).
  • Comparison of clinical variables between refractory pouchitis cases and controls.
  • Blind histological review of colectomy specimens to assess for Crohn's disease or ulcerative colitis.

Main Results:

  • No significant clinical differences were found between RP and control groups, except for increased extraintestinal manifestations and male preponderance in RP.
  • Histological analysis did not reveal significant differences, suggesting RP is not indicative of underlying Crohn's disease.

Conclusions:

  • Refractory pouchitis likely does not stem from a misdiagnosis of Crohn's disease.
  • Immune system mechanisms may underlie refractory pouchitis, potentially manifesting as extraintestinal complications.