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Related Concept Videos

Inflammatory Bowel Disease I: Ulcerative Colitis01:27

Inflammatory Bowel Disease I: Ulcerative Colitis

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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 IBD01:29

Drugs for Treatment of Ulcerative Colitis in IBD

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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...
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Chronic Bowel Disorders: Introduction01:17

Chronic Bowel Disorders: Introduction

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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.
Irritable Bowel Syndrome (IBS) is a common disorder affecting the gastrointestinal tract. The distinctive feature is recurrent abdominal pain associated with altered bowel movements, manifesting as constipation, diarrhea, or fluctuating between both. The...
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Inflammatory Bowel Disease II: Crohn's Disease01:30

Inflammatory Bowel Disease II: Crohn's Disease

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Introduction
Inflammatory bowel disease, commonly known as IBD, refers to a collection of disorders that lead to persistent inflammation of the gastrointestinal tract. The two types of IBD are ulcerative colitis, which impacts the colon, and Crohn's disease, which can involve any part of the gastrointestinal segment.
Crohn's disease
Crohn's disease is a chronic, systemic inflammatory bowel disease (IBD) that predominantly affects the gastrointestinal tract. It is marked by...
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Peptic Ulcer Disease I: Introduction01:30

Peptic Ulcer Disease I: Introduction

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Peptic Ulcer Disease (PUD) is characterized by mucosal excavation in the esophagus, stomach, pylorus, or duodenum. It can manifest as acute or chronic based on the extent and duration of mucosal involvement.
An acute ulcer, marked by superficial erosion and minimal inflammation, swiftly resolves upon identifying and addressing the underlying cause. In contrast, a chronic ulcer persists, potentially eroding through the muscular wall and forming fibrous tissue.
Peptic ulcers can also be...
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Pathophysiology of Peptic Ulcer Disease: Injurious Factors01:22

Pathophysiology of Peptic Ulcer Disease: Injurious Factors

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Peptic ulcers are sores on the stomach's inner lining and the upper small intestine, which are the result of disruptions in the mucosal layer that houses parietal cells which produce gastric acid, and chief cells which secrete pepsinogen.
In the antrum region, G cells secrete the gastrin hormone that binds to gastrin-cholecystokinin-B (CCK2) receptors on parietal and enterochromaffin-like (ECL) cells in the fundic glands. Simultaneously, the vagus nerve releases acetylcholine, which binds...
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Chronic Salmonella Infection Induced Intestinal Fibrosis
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Factors precipitating acute ulcerative colitis.

A S Puri, C C Chaubal, Vandana Midha

    Tropical Gastroenterology : Official Journal of the Digestive Diseases Foundation
    |March 5, 2015
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    Summary
    This summary is machine-generated.

    Ulcerative colitis patients may experience worsening symptoms due to superinfections like C. difficile and CMV. Guidelines for diagnosing and managing these infections in ulcerative colitis patients are discussed.

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    Area of Science:

    • Gastroenterology
    • Infectious Diseases
    • Immunology

    Background:

    • Ulcerative colitis involves colonic mucosal inflammation with unknown causes, often linked to genetic susceptibility and abnormal immune responses to gut bacteria.
    • The disease course is marked by relapses and remissions, with potential exacerbations from Cytomegalovirus (CMV) and Clostridioides difficile (C. difficile) infections.
    • CMV reactivation occurs in severe, steroid-refractory cases, while C. difficile exacerbations are linked to antibiotic use.

    Purpose of the Study:

    • To review diagnostic and management guidelines for CMV and C. difficile superinfections in ulcerative colitis patients.
    • To assess the applicability of existing international guidelines in the Indian context, considering endemic tropical infections.
    • To provide a comprehensive overview of superinfection management relevant to ulcerative colitis.

    Main Methods:

    • Review of current international guidelines (ACG, ECCO) for CMV and C. difficile testing in ulcerative colitis.
    • Discussion of clinical scenarios necessitating pathogen testing.
    • Consideration of the Indian epidemiological context for infectious diseases.

    Main Results:

    • CMV and C. difficile are significant pathogens associated with ulcerative colitis exacerbations.
    • International guidelines recommend testing for these pathogens in specific clinical situations.
    • The applicability of these guidelines in India requires further evaluation due to prevalent endemic infections.

    Conclusions:

    • Superinfections with CMV and C. difficile can complicate ulcerative colitis management.
    • Adherence to diagnostic and management guidelines is crucial for appropriate patient care.
    • Context-specific adaptations of guidelines may be necessary for regions like India.