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Related Experiment Videos

Cyclic vomiting: the pattern and syndrome paradigm

B U Li1

  • 1Department of Pediatrics, Ohio State University, Columbus, USA.

Journal of Pediatric Gastroenterology and Nutrition
|January 1, 1995
PubMed
Summary
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Cyclic vomiting syndrome (CVS) is more common than previously believed. Specific criteria can help distinguish CVS from chronic vomiting, aiding in the diagnosis of this mysterious disorder.

Area of Science:

  • Pediatric Gastroenterology
  • Neurology
  • Internal Medicine

Background:

  • Cyclic vomiting syndrome (CVS) is a poorly understood disorder.
  • CVS prevalence may be underestimated.
  • Differentiating CVS from chronic vomiting is crucial for diagnosis.

Purpose of the Study:

  • To establish criteria for differentiating cyclic vomiting from chronic vomiting patterns.
  • To improve the detection of cyclic vomiting syndrome in children.
  • To propose standardized terminology for vomiting patterns.

Main Methods:

  • Defined quantitative historical criteria: peak intensity (≥4 emeses/h) and episode frequency (≤9/month).
  • Compared explosive, intermittent cyclic patterns with low-grade, daily chronic patterns.

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  • Reviewed potential organic disorders mimicking CVS.

    • Main Results:

    • Peak intensity and episode frequency can differentiate cyclic from chronic vomiting.
    • Several organic conditions can mimic cyclic vomiting patterns.
    • Idiopathic subgroup identified within cyclic vomiting pattern.

    Conclusions:

    • Proposed terminology: cyclic pattern (high intensity, low frequency) vs. chronic pattern (low intensity, high frequency).
    • Diagnostic evaluation is essential to rule out organic causes.
    • Idiopathic cyclic vomiting syndrome defined as cases without identifiable underlying disorders.