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Related Experiment Videos

Post-infectious irritable bowel syndrome.

Dolores Y Rhodes1, Mark Wallace

  • 1Naval Medical Center 34800 Bob Wilson Drive,San Diego CA 92134, USA. dyrhodes@mnmcsd.med.navy.mil

Current Gastroenterology Reports
|July 14, 2006
PubMed
Summary
This summary is machine-generated.

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Post-infectious irritable bowel syndrome (PI-IBS) can develop after acute gastroenteritis, with inflammation playing a key role. PI-IBS patients often experience symptom resolution within 5-6 years, showing a better prognosis than other IBS types.

Area of Science:

  • Gastroenterology
  • Immunology
  • Epidemiology

Background:

  • Irritable bowel syndrome (IBS) affects a significant portion of the general population.
  • A subset of IBS cases, termed post-infectious IBS (PI-IBS), arise after acute gastroenteritis.
  • Risk factors for PI-IBS include female sex and prolonged initial illness duration.

Purpose of the Study:

  • To summarize the understanding of post-infectious IBS (PI-IBS).
  • To explore the pathogenesis and prognosis of PI-IBS.

Main Methods:

  • Review of existing studies on IBS and PI-IBS.
  • Analysis of risk factors and clinical characteristics of PI-IBS.

Main Results:

  • Ongoing inflammation is implicated in PI-IBS pathogenesis, leading to increased enterochromaffin cells, T-lymphocytes, and altered intestinal permeability.

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  • PI-IBS patients generally have a better prognosis compared to those with idiopathic IBS.
  • Symptom resolution in PI-IBS is observed within 5 to 6 years.

    • Conclusions:

    • Post-infectious IBS is a distinct subtype of IBS triggered by infection.
    • Inflammatory processes are central to PI-IBS development.
    • PI-IBS demonstrates a favorable prognosis with a tendency towards symptom resolution over time.