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Related Concept Videos

Inflammatory Bowel Disease III: Crohn's Disease01:25

Inflammatory Bowel Disease III: Crohn's Disease

Crohn’s disease is a chronic, relapsing form of inflammatory bowel disease characterized by segmental, transmural inflammation that can affect any part of the gastrointestinal tract. Its pathogenesis arises from a combination of genetic susceptibility, environmental exposures, epithelial barrier dysfunction, and immune dysregulation. Together, these factors lead to an exaggerated immune response against components of the gut microbiome.Genetic and Environmental InfluencesMultiple genetic...
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 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...
Inflammatory Bowel Disease II: Ulcerative Colitis01:20

Inflammatory Bowel Disease II: Ulcerative Colitis

Ulcerative colitis is a chronic inflammatory disorder of the colon characterized by continuous mucosal inflammation that typically begins in the rectum and extends proximally in a uniform pattern. Its pathogenesis involves a complex interplay of genetic predisposition, immune dysregulation, and environmental influences. These factors converge to impair the colon’s epithelial defenses and promote an exaggerated inflammatory response against luminal contents.Breakdown of the Mucosal BarrierA...
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...
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...

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Chronic Salmonella Infection Induced Intestinal Fibrosis
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Published on: September 22, 2019

Vicious circles in inflammatory bowel disease.

Amnon Sonnenberg1, Judith F Collins

  • 1From the Portland VA Medical Center and Oregon Health and Science University, Portland, Oregon 97239, USA. sonnenbe@ohsu.edu

Inflammatory Bowel Diseases
|October 3, 2006
PubMed
Summary

Influence diagrams help manage complex inflammatory bowel disease (IBD) by visualizing interactions between disease factors, complications, and treatments. This decision tool aids in understanding subtle influences on patient health for better management strategies.

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Area of Science:

  • Medical decision-making
  • Systems biology
  • Health informatics

Background:

  • Inflammatory bowel disease (IBD) presents complex manifestations, complications, and treatment side effects, complicating patient management.
  • Conflicting ideas on optimal patient care arise due to the intricate nature of IBD.
  • Influence diagrams offer a novel approach to resolve management conflicts in complex diseases.

Purpose of the Study:

  • To evaluate the utility of influence diagrams in resolving management conflicts in complex disease processes.
  • To demonstrate how influence diagrams can clarify decision-making in challenging clinical scenarios.

Main Methods:

  • Modeled IBD patient health using an influence diagram, representing health as a focal point of multiple interacting influences.
  • Utilized influence diagram formalism, similar to decision trees, to analyze additive and inhibitory factors.
  • Incorporated diverse parameters including diagnoses, complications, side effects, and therapeutic outcomes into the model.

Main Results:

  • Exemplary cases of Crohn's disease illustrate the application of influence diagrams.
  • Identified negative feedback loops where disease manifestations interfered with therapy, complicating management.
  • Influence diagrams revealed subtle interactions and their combined impact on patient health, surpassing verbal reasoning.

Conclusions:

  • Influence diagrams serve as a valuable decision tool for improving management of inflammatory bowel disease.
  • This method effectively highlights critical factors within complex disease processes.
  • Influence diagrams facilitate the quantitative assessment of interactions among various health determinants.