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Related Concept Videos

Irritable Bowel Syndrome I: Introduction01:17

Irritable Bowel Syndrome I: Introduction

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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

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

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

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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...
328
Bacterial Flora of the Large Intestine01:29

Bacterial Flora of the Large Intestine

400
The gut microbiome is formed by a vast and diverse community of bacteria that colonizes our large intestine. These bacteria start residing in the gut from birth and continue diversifying throughout life, influenced by factors such as diet, lifestyle, and stress. The gut bacterial community also includes bacteria from food and those that enter the colon through the anus.
The normal gut flora of the colon plays a critical role in generating essential vitamins such as vitamins K, B5, and B7.
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The Microbiome in Inflammatory Bowel Disease.

Aranzazu Jauregui-Amezaga1,2, Annemieke Smet2

  • 1Department of Gastroenterology and Hepatology, University Hospital Antwerp, 2650 Edegem, Belgium.

Journal of Clinical Medicine
|August 29, 2024
PubMed
Summary
This summary is machine-generated.

Inflammatory bowel disease (IBD) management faces challenges with current immunosuppressants. New therapies targeting the gut microbiome show promise for IBD, but their long-term safety requires further investigation.

Keywords:
Crohn’s diseasebiofilmbiomarkerdysbiosismicrobiotaulcerative colitis

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Area of Science:

  • Gastroenterology
  • Immunology
  • Microbiology

Background:

  • Current inflammatory bowel disease (IBD) treatments have limited long-term efficacy and significant side effects.
  • IBD is a multifactorial condition involving genetic susceptibility and an inappropriate immune response, with the gut microbiome playing a key role.
  • Gut dysbiosis, characterized by altered microbial composition and reduced diversity, is implicated in IBD pathogenesis.

Purpose of the Study:

  • To review the role of the gut microbiome in IBD.
  • To explore novel therapeutic strategies targeting the gut microbiome for IBD management.
  • To highlight the importance of considering viruses and fungi, in addition to bacteria, in IBD-related dysbiosis.

Main Methods:

  • Review of current literature on IBD pathophysiology and treatment.
  • Analysis of studies investigating the gut microbiome in IBD patients.
  • Examination of emerging therapies that modulate the gut microbiome.

Main Results:

  • Gut dysbiosis, including changes in bacteria, viruses, and fungi, is a significant factor in IBD.
  • While microbiome alterations with biological agents are noted, their utility as biomarkers is uncertain.
  • Therapies targeting the gut microbiome offer potential for IBD treatment.

Conclusions:

  • Modulating the gut microbiome presents a promising avenue for future IBD therapies.
  • Further research is needed to understand the safety and long-term effects of microbiome-targeted IBD treatments.