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Related Concept Videos

Inflammatory Bowel Disease III: Diagnostic Studies and Management I-Nutritional Therapy01:30

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Various diagnostic tests are employed in the diagnostic process for Inflammatory Bowel Disease (IBD), particularly to differentiate between Crohn's disease and ulcerative colitis.
Diagnostic studies
A colonoscopy is the definitive screening test, distinguishing ulcerative colitis from other colon diseases with similar symptoms. During a colonoscopy test, inflamed mucosa with exudate ulcerations can be observed, and biopsies are taken to determine the histologic characteristics of the...
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Irritable Bowel Syndrome I: Introduction01:17

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Irritable Bowel Syndrome (IBS) is characterized by functional disturbances in the gastrointestinal system, presenting a cluster of symptoms without evident structural or biochemical abnormalities. It primarily affects the large intestine and may cause abdominal pain, bloating, excessive gas, diarrhea, constipation, or both.
IBS is a chronic condition that can persist over a long period or recur frequently.
The pathogenesis of IBS involves a complex interplay of the following factors:
Altered...
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Inflammatory Bowel Disease I: Ulcerative Colitis01:27

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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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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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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.
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Inflammatory Bowel Disease IV: Pharmacological Management01:29

Inflammatory Bowel Disease IV: Pharmacological Management

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Upon diagnosis, managing Inflammatory Bowel Disease (IBD) involves addressing several crucial aspects. The primary goals include resting the bowel, correcting malnutrition, and providing symptomatic relief. Resting the bowel may consist of medications to reduce inflammation and promote healing. Correcting malnutrition is essential, often requiring dietary adjustments and nutritional supplements. Symptomatic relief aims to ease pain, diarrhea, and other discomforts in IBD.
Pharmacologic...
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Challenges in IBD Research 2024: Environmental Triggers.

Ashwin N Ananthakrishnan1, Kostantinos Gerasimidis2, Shuk-Mei Ho3

  • 1Division of Gastroenterology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA.

Inflammatory Bowel Diseases
|May 23, 2024
PubMed
Summary
This summary is machine-generated.

Environmental factors significantly impact inflammatory bowel diseases (IBD). Research gaps exist in understanding these triggers across diverse populations and disease stages, necessitating better exposure measurement and intervention strategies.

Keywords:
environmental factorsexposomeexposure biomarkersinflammatory bowel diseases

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Area of Science:

  • Environmental health
  • Gastroenterology
  • Epidemiology

Background:

  • Environmental factors are crucial in the development and progression of inflammatory bowel diseases (IBD), including Crohn's disease (CD) and ulcerative colitis (UC).
  • The Crohn's & Colitis Challenges 2024 Environmental Triggers workgroup reviewed recent advancements and identified key areas for future research.

Purpose of the Study:

  • To summarize progress in understanding environmental impacts on IBD.
  • To identify unmet research needs and future directions in the field of environmental triggers for IBD.

Main Methods:

  • The workgroup identified four broad categories of unmet needs: Epidemiology, Exposomics and environmental measurement, Biologic mechanisms, and Interventions and Implementation.
  • Emphasis was placed on moving beyond traditional questionnaires to identify measurable biomarkers for environmental exposure assessment.

Main Results:

  • Significant gaps remain in studying environmental factors in underrepresented populations and in regions with rising IBD incidence.
  • A need exists to understand how environmental factors influence different disease stages and outcomes.
  • The development of biomarkers for quantifying environmental exposure is a high priority.

Conclusions:

  • Future research should leverage existing cohorts and initiate new prospective studies to address epidemiological gaps.
  • Identifying biologic mechanisms linking environmental exposures to IBD is essential for understanding disease heterogeneity.
  • Developing scalable and sustainable interventions for environmental modification is critical for both individual and societal levels.