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Assessment of simple methods of measuring intestinal transit times in children with gastroenteritis

R H Higgs, R B Ellis-Pegler, H P Lambert

    Gut
    |June 1, 1975
    PubMed

    Insights

    Carmine suspension showed shorter intestinal transit times in children with gastroenteritis, which normalized upon recovery. Solid markers like radioopaque pellets may be misleading in acute childhood diarrhea.

    Area of Science:

    • Pediatrics
    • Gastroenterology
    • Clinical Medicine

    Background:

    • Gastroenteritis is a common illness in young children.
    • Accurate measurement of intestinal transit time (ITT) is crucial for understanding gastrointestinal function.
    • Previous studies have not fully elucidated the impact of acute illness on different methods of ITT measurement in this age group.

    Purpose of the Study:

    • To compare intestinal transit times measured by carmine suspension and radioopaque pellets in children under 3 years old with acute gastroenteritis.
    • To assess the influence of acute diarrheal illness on the reliability of different transit time markers.
    • To evaluate the recovery of normal intestinal transit after resolution of gastroenteritis.

    Main Methods:

    • A prospective study involving children under 3 years old diagnosed with gastroenteritis.
    • Measurement of intestinal transit time using both carmine suspension (a liquid marker) and radioopaque pellets (a solid marker).
    • Comparison of transit times during the acute phase of illness and after clinical recovery, with a control group of healthy children.

    Main Results:

    • Carmine suspension revealed significantly shorter intestinal transit times during acute gastroenteritis compared to recovery.
    • Intestinal transit times measured with radioopaque pellets were comparable between children with gastroenteritis and healthy controls.
    • Post-recovery carmine transit times returned to levels observed in children without diarrhea.

    Conclusions:

    • Liquid markers like carmine suspension accurately reflect the altered intestinal transit in acute childhood gastroenteritis.
    • Solid markers, such as radioopaque pellets, may not be reliable indicators of transit time changes during acute diarrheal illness in young children.
    • The findings suggest that different markers are affected differently by acute gastrointestinal inflammation, impacting their utility in clinical assessment.

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