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Related Concept Videos

Chronic Bowel Disorders: Introduction01:17

Chronic Bowel Disorders: Introduction

646
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...
646
Irritable Bowel Syndrome II: Clinical Features and Diagnostic Evaluation01:30

Irritable Bowel Syndrome II: Clinical Features and Diagnostic Evaluation

553
Irritable Bowel Syndrome II: Clinical Features and Diagnostic Evaluation
Irritable Bowel Syndrome (IBS) is classified into subtypes based on the predominant bowel habits as determined by the Bristol Stool Form Scale (BSFS). The subtypes are:
553
Inflammatory Bowel Disease I: Ulcerative Colitis01:27

Inflammatory Bowel Disease I: Ulcerative Colitis

647
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...
647
Irritable Bowel Syndrome I: Introduction01:17

Irritable Bowel Syndrome I: Introduction

737
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...
737
Inflammatory Bowel Disease III: Diagnostic Studies and Management I-Nutritional Therapy01:30

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

518
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...
518
Inflammatory Bowel Disease II: Crohn's Disease01:30

Inflammatory Bowel Disease II: Crohn's Disease

706
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...
706

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Related Experiment Video

Updated: Nov 29, 2025

Using Multi-fluorinated Bile Acids and In Vivo Magnetic Resonance Imaging to Measure Bile Acid Transport
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Functional Bowel Disease.

Aiya Aboubakr1, Michelle S Cohen2

  • 1Department of Medicine, NewYork-Presbyterian Hospital/Weill Cornell Medical Center, 530 East 70th Street, M-507, New York, NY 10021, USA.

Clinics in Geriatric Medicine
|November 20, 2020
PubMed
Summary

Functional bowel disorders, including Irritable Bowel Syndrome (IBS), impact gut-brain interaction and quality of life. Recognizing and tailoring treatments based on IBS subtype and symptom severity is crucial for effective management.

Keywords:
Functional bowel disordersFunctional gastrointestinal disordersIrritable bowel syndrome

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Area of Science:

  • Gastroenterology
  • Neurogastroenterology
  • Functional Bowel Disorders

Background:

  • Functional bowel disorders are characterized by altered gut-brain interactions.
  • Irritable Bowel Syndrome (IBS) is the most prevalent functional bowel disorder.
  • IBS significantly impairs quality of life and increases healthcare utilization.

Purpose of the Study:

  • To highlight the importance of recognizing and managing functional bowel disorders.
  • To emphasize the clinical diagnosis of IBS based on symptoms.
  • To outline the classification and individualized treatment approaches for IBS.

Main Methods:

  • Diagnosis relies on clinical symptom assessment.
  • Categorization is based on predominant bowel habits: constipation, diarrhea, mixed, or unclassified.
  • Treatment strategies are tailored to individual patient needs.

Main Results:

  • IBS diagnosis is symptom-driven.
  • Subtyping IBS aids in treatment selection.
  • Personalized management improves patient outcomes.

Conclusions:

  • Effective management of IBS requires accurate diagnosis and subtype identification.
  • Tailored treatment plans are essential for addressing symptom severity and improving patient well-being.
  • Understanding functional bowel disorders is key to optimizing patient care.