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Related Concept Videos

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

Inflammatory Bowel Disease II: Crohn's Disease

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

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

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 colonic...
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...
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...
Chronic Bowel Disorders: Introduction01:17

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.
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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Related Experiment Video

Updated: May 15, 2026

Chronic Salmonella Infection Induced Intestinal Fibrosis
08:40

Chronic Salmonella Infection Induced Intestinal Fibrosis

Published on: September 22, 2019

Deadly ibd.

A Sonnenberg1

  • 1The University of New Mexico and The Department of Veterans Affairs Medical Center Albuquerque, New Mexico, U.S.A.

Inflammatory Bowel Diseases
|January 4, 2013
PubMed
Summary
This summary is machine-generated.

This population-based cohort study found that individuals with inflammatory bowel disease (IBD) have a slightly increased risk of mortality. However, IBD does not significantly increase the risk of death from specific causes like cancer or cardiovascular disease.

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Area of Science:

  • Gastroenterology
  • Epidemiology
  • Public Health

Background:

  • Inflammatory Bowel Disease (IBD) encompasses Crohn's disease and ulcerative colitis.
  • Understanding long-term survival and mortality patterns in IBD is crucial for patient care and public health.
  • Previous studies have yielded conflicting results regarding IBD's impact on overall and cause-specific mortality.

Purpose of the Study:

  • To investigate the survival rates of patients diagnosed with IBD.
  • To determine if IBD increases the risk of death from specific causes.
  • To analyze mortality trends in a large, population-based cohort.

Main Methods:

  • A population-based cohort study design was employed.
  • Data were collected from a defined geographical region, ensuring representativeness.
  • Survival analysis techniques were used to compare mortality in IBD patients versus the general population.

Main Results:

  • Patients with IBD exhibited a slightly elevated overall mortality risk compared to the general population.
  • No significant increase in cause-specific mortality was observed for major causes such as cancer or cardiovascular disease.
  • The findings suggest that while IBD impacts longevity, it may not be a primary driver of death from other common diseases.

Conclusions:

  • IBD is associated with a modest increase in overall mortality.
  • The study provides reassurance regarding the absence of significantly elevated risks for major cause-specific mortality in IBD patients.
  • These findings have implications for clinical management and patient counseling regarding prognosis.