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Related Concept Videos

Inflammatory Bowel Disease II: Ulcerative Colitis01:20

Inflammatory Bowel Disease II: Ulcerative Colitis

Ulcerative colitis is a chronic inflammatory disorder of the colon characterized by continuous mucosal inflammation that typically begins in the rectum and extends proximally in a uniform pattern. Its pathogenesis involves a complex interplay of genetic predisposition, immune dysregulation, and environmental influences. These factors converge to impair the colon’s epithelial defenses and promote an exaggerated inflammatory response against luminal contents.Breakdown of the Mucosal BarrierA...
Inflammatory Bowel Disease I: Ulcerative Colitis01:27

Inflammatory Bowel Disease I: Ulcerative Colitis

Introduction
Inflammatory bowel disease, or IBD, encompasses a group of disorders characterized by chronic inflammation or ulceration of the gastrointestinal tract.
Risk Factors
The exact cause of IBD remains unclear, although it is believed to be due to a mix of genetic, environmental, microbial, and immune factors. Genetic factors are significant in determining susceptibility to IBD, with family history being a critical risk factor. Individuals with a first-degree relative who has IBD are at...
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Drugs for Treatment of Ulcerative Colitis in IBD

Ulcerative colitis is a chronic inflammatory condition primarily affecting the colon and rectum. The primary drugs used in the treatment of ulcerative colitis are aminosalicylates. They exhibit anti-inflammatory and immunosuppressive properties. They modulate inflammatory mediators and inhibit the activity of nuclear factor κB (NF-κB). Aminosalicylates also reduce inflammation by inhibiting prostaglandin and leukotriene production and decreasing neutrophil chemotaxis and superoxide generation. 
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...
Inflammatory Bowel Disease IV: Clinical Manifestations01:20

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 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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Related Experiment Video

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Experimental Autoimmune Uveitis: An Intraocular Inflammatory Mouse Model
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[Acute uveitis in nonspecific ulcerative colitis].

I Iu Razumova, A R Ambartsumian

    Vestnik Oftalmologii
    |February 11, 2010
    PubMed
    Summary

    This study presents a case linking uveitis to ulcerative colitis flare-ups. Advanced ultrasound imaging improves diagnosis and monitoring of the uveal tract in such cases.

    Area of Science:

    • Ophthalmology
    • Gastroenterology
    • Medical Imaging

    Background:

    • Nonspecific ulcerative colitis (UC) is a chronic inflammatory bowel disease.
    • Uveitis, inflammation of the uveal tract, can sometimes be associated with systemic conditions.
    • Traditional methods may fail to image the uveal tract in certain inflammatory conditions.

    Observation:

    • A case of uveitis manifestation linked to an exacerbation of nonspecific ulcerative colitis was observed.
    • The uveal tract was not amenable to imaging with traditional examination methods.

    Findings:

    • Advanced ultrasound techniques, including ultrasound biomicroscopy and B-scanning, were employed.
    • These ultrasound methods successfully evaluated the previously unimageable uveal tract.

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  • The diagnostic capabilities for assessing uveal inflammation were significantly extended.

    • Implications:

    • Ultrasound biomicroscopy and B-scanning offer objective monitoring for patients with uveitis and ulcerative colitis.
    • These imaging modalities enhance the understanding and management of ocular complications in inflammatory bowel disease.
    • Improved diagnostic tools can lead to better patient outcomes through timely and accurate assessment.