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Intestinal permeability in Behçet's syndrome.

I Fresko1, V Hamuryudan, M Demir

  • 1Department of Rheumatology, Cerrahpaşa Medical Faculty, Istanbul, Turkey. freskoi@superonline.com

Annals of the Rheumatic Diseases
|December 15, 2000
PubMed
Summary

Intestinal permeability is increased in patients with Behçet's syndrome (BS) compared to healthy individuals. This finding suggests a potential gut involvement in BS, though its specificity is questioned due to similar results in other diseases.

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Area of Science:

  • Gastroenterology
  • Immunology
  • Clinical Medicine

Background:

  • Behçet's syndrome (BS) is a multisystem inflammatory disease.
  • Intestinal permeability is a key indicator of gastrointestinal health.
  • The role of gut barrier function in BS pathogenesis is not fully understood.

Purpose of the Study:

  • To quantify intestinal permeability in patients with Behçet's syndrome.
  • To compare intestinal permeability in BS patients with healthy controls and patients with other inflammatory conditions.

Main Methods:

  • Utilized chromium-51 EDTA ((51)Cr-EDTA) as a radioactive tracer to measure intestinal permeability.
  • Measured the percentage of (51)Cr-EDTA excreted in 24-hour urine samples.
  • Included 34 BS patients, 10 ankylosing spondylitis (AS), 6 inflammatory bowel disease (IBD), 17 systemic lupus erythematosus (SLE) patients, and 15 healthy controls (HC).

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Main Results:

  • Patients with BS exhibited significantly higher intestinal permeability (4.6% excretion) compared to healthy controls (2.3% excretion).
  • Increased intestinal permeability was also observed in AS (6%), IBD (5.2%), and SLE (5.56%) patients.
  • Statistical analysis (ANOVA) revealed significant differences between BS and HC, AS and HC, and SLE and HC groups (p=0.0002).

Conclusions:

  • Intestinal permeability is significantly elevated in patients with Behçet's syndrome.
  • The observed increase in permeability is not specific to BS, as similar elevations were found in other systemic inflammatory diseases.
  • These findings suggest a potential disruption of the gut barrier in BS, but further research is needed to determine its specific role and diagnostic value.