What is the global prevalence of cyclic vomiting syndrome (CVS)?

Updated: Oct 31, 2018
  • Author: Thangam Venkatesan, MD; Chief Editor: Carmen Cuffari, MD  more...
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On the basis of limited epidemiologic data, Cullen and MacDonald estimated the prevalence of periodic vomiting in western Australia to be 2.3%. [6] Similarly, Abu-Arafeh and Russell observed a prevalence of 1.9% in school-aged children in Aberdeen, Scotland. [31] Both of these figures are derived from white populations and may not accurately reflect prevalence in all races or ethnic populations. In a study performed at KEM Hospital in Pune, India, CVS accounted for 0.5% of admissions to pediatric wards during 1998-2000.

In a population-based study from Ireland, the incidence of CVS was relatively high at 3.15 cases per 100,000 children. This incidence is comparable to those of other major GI diseases of childhood (eg, Crohn disease) in Ireland. [32]

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