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Intestinal gas in ulcerative colitis.

P Vernia, O Colaneri, E Tomei

    Diseases of the Colon and Rectum
    |July 1, 1979
    PubMed
    Summary
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    This study found increased intestinal gas in severe ulcerative colitis, particularly in the small bowel, correlating with higher body temperature and lower blood pH. This may signal early toxic complications like impending megacolon.

    Area of Science:

    • Gastroenterology
    • Medical Imaging
    • Clinical Medicine

    Background:

    • Ulcerative colitis (UC) is an inflammatory bowel disease affecting the colon.
    • Assessing intestinal gas distribution is crucial for understanding UC severity and complications.

    Purpose of the Study:

    • To investigate the relationship between intestinal gas distribution and the severity of active ulcerative colitis.
    • To identify potential early indicators of toxic complications in UC patients.

    Main Methods:

    • Planimetric measurement of intestinal gas on abdominal X-rays.
    • Comparison of gas distribution in healthy controls and UC patients across different severity grades (mild, moderate, severe, toxic megacolon).

    Main Results:

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  • Significant colonic distention observed in toxic megacolon.
  • Increased small bowel gas in toxic megacolon and severe colitis; normal in mild/moderate UC.
  • Two distinct groups within severe colitis based on small bowel gas levels.
  • Intestinal gas correlated linearly with arterial blood pH, ESR, and body temperature.

    • Conclusions:

    • Abnormal small bowel gas accumulation in UC may indicate an early stage of toxic complications, termed 'impending megacolon'.
    • This finding, associated with metabolic alkalosis, could aid in early detection and management of severe UC.
    • Intestinal gas patterns offer insights into UC progression and potential for toxic transformation.