PMID: 8604272Mar 1, 1996Paper

Differentiating cyclic from chronic vomiting patterns in children: quantitative criteria and diagnostic implications

Pediatrics
B T PfauJ R Hayes

Abstract

To establish criteria to differentiate two patterns of vomiting and to identify the predominant diagnoses for each group. All children 2 to 18 years of age referred to a pediatric gastroenterology service who presented with recurrent vomiting (three episodes of vomiting within a 3-month period) as a primary complaint from 1985 to 1991 were retrospectively reviewed (n = 106). The vomiting pattern (emeses per hour and episodes per month), diagnostic studies, and therapeutic responses were compared by Mann-Whitney U and chi-squared tests. Based on the criteria of peak intensity (four or more emeses per hour) and frequency (nine or fewer episodes per month), two subgroups were differentiated: chilcren with a cyclic pattern (n = 34), who vomited at a higher peak intensity (12.6 +/- 1.6 vs 1.5 +/- 0.1 emeses per hour) but at a lower frequency (1.9 +/- 4.8 vs 36.6 +/-0.3 episodes per month) than those with a chronic pattern (n = 72). Among children with a cyclic patern, nongastrointestinal (65%) causes, especially peptic and infectiouus disorders, predominated over nongastrointestinal ones (10%). On the basis of quantitative historical criteria, children with recurrent vomiting can be classified into two subgroups that seem to be clin...Continue Reading

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