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Chronic Bowel Disorders: Introduction01:17

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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.
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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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.
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Altered...
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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...
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DefinitionIrritable bowel syndrome (IBS) is a functional gastrointestinal disorder characterized by recurrent combinations of abdominal pain, bloating, diarrhea, or constipation.Pathophysiology of irritable bowel syndromeIts pathophysiology is multifactorial, involving disturbances in motility, sensory processing, microbial balance, barrier integrity, and gut–brain communication. These mechanisms interact to produce symptoms that vary across IBS subtypes.Altered Motility...
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Irritable bowel syndrome.

Y Ringel1, A D Sperber, D A Drossman

  • 1UNC Center for Functional GI and Motility Disorders, Division of Digestive Diseases and Nutrition, University of North Carolina School of Medicine, Chapel Hill, North Carolina 27599-7080, USA. ringel@med.unc.edu

Annual Review of Medicine
|February 13, 2001
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Summary
This summary is machine-generated.

Irritable bowel syndrome (IBS) is a common gut disorder caused by disrupted brain-gut communication. Understanding this complex interaction is key to effective diagnosis and management.

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Area of Science:

  • Gastroenterology
  • Neurogastroenterology
  • Psychosomatic Medicine

Background:

  • Irritable bowel syndrome (IBS) is a prevalent functional gastrointestinal disorder affecting 8-23% of adults in Western countries.
  • IBS incurs significant socioeconomic costs due to its chronic nature and impact on quality of life.
  • Current understanding positions IBS as a disorder of brain-gut axis dysregulation.

Purpose of the Study:

  • To elucidate the mechanisms underlying IBS symptom generation.
  • To emphasize the role of bidirectional brain-gut communication in IBS.
  • To highlight the integration of physical and psychosocial factors in understanding IBS.

Main Methods:

  • Review of current research on brain-gut interactions in IBS.
  • Application of the biopsychosocial model for a holistic patient approach.
  • Utilizing the Rome II criteria for symptom-based diagnosis.

Main Results:

  • IBS symptoms arise from dysregulated communication between the gastrointestinal tract and the brain.
  • Neuroendocrine, immunological, and psychosocial factors modulate this communication.
  • The biopsychosocial model provides a framework for integrating contributing factors.

Conclusions:

  • Effective IBS management requires a comprehensive approach integrating physical and psychosocial aspects.
  • The Rome II criteria offer a standardized basis for diagnosis.
  • Understanding brain-gut dysregulation is crucial for advancing IBS treatment strategies.