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Cyclic vomiting syndrome and migraine in children.

AbstractBACKGROUND:
Cyclic vomiting syndrome (CVS) is an episodic nausea and non-bilious vomiting disorder characterized by recurrent stereotypic symptoms with disease-free intervals. CVS in children is associated with a high prevalence of migraine, and is commonly considered a precursor to migraine. This study aimed to investigate the clinical manifestations of pediatric CVS and its prognosis, and to clarify its relationship with the risk of migraine development in children.
METHODS:
The clinical features of children diagnosed with CVS before the age of 18 years at the designated hospital were retrospectively studied over the past 30 years (1976-2006) based on the Rome III or ICHD II criteria. Clinical evaluations, including age of onset, sex, family history, symptoms and duration during attacks, frequency, trigger events, electroencephalogram, treatment and subsequent development of migraine were assessed from chart records and telephone interviews.
RESULTS:
Thirty-five children (17 males and 18 females) were enrolled. Their age of onset ranged from 2 to 17 years (mean, 6.8 ± 3.1 years) and frequency of attacks ranged from once to 36 times per year (mean, 8.2 ± 7.6 times). Duration of symptoms during each attack ranged from 1 to 45 days (mean, 5.9 ± 7.3 days). Of 20 children assessed for migraine development, seven subsequently developed typical migraine symptoms. There was younger onset age in the migraine-positive subgroup (5 ± 1.7 years) than in the migraine-negative subgroup (8.9 ± 3 years; p = 0.001). Co-morbid headache during CVS attack was also more evident in the migraine-positive subgroup (28.6%vs. 0%).
CONCLUSION:
Results of the study show that younger onset age and headache during CVS attacks may have increased risk of migraine development. Large-scale prospective studies are warranted to further clarify the relationship between CVS and migraine.
AuthorsYi-Pei Lin, Yen-Hsuan Ni, Wen-Chin Weng, Wang-Tso Lee
JournalJournal of the Formosan Medical Association = Taiwan yi zhi (J Formos Med Assoc) Vol. 110 Issue 6 Pg. 382-7 (Jun 2011) ISSN: 0929-6646 [Print] Singapore
PMID21741006 (Publication Type: Journal Article)
CopyrightCopyright © 2011 Formosan Medical Association & Elsevier. Published by Elsevier B.V. All rights reserved.
Topics
  • Adolescent
  • Age of Onset
  • Child
  • Child, Preschool
  • Female
  • Humans
  • Male
  • Migraine Disorders (epidemiology, etiology, physiopathology)
  • Precipitating Factors
  • Prevalence
  • Retrospective Studies
  • Severity of Illness Index
  • Sex Factors
  • Taiwan (epidemiology)
  • Vomiting (complications, epidemiology, physiopathology)

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