Trigger Factors in Childhood Migraine: A Prospective Clinic-Based Study From North of France

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Abstract

The objective was to study the prevalence and characterization of pediatric migraine triggers and to compare results to this retrospective study. A total of 101 pediatric patients with ICHD-II migraine with and/or without aura were instructed to prospectively complete a diary dealing with attacks triggers for a 3-month period. Each subject reported at least 1 trigger (range: 1-14) with a total number of 532 attacks and a median per subject of 3. Lack of sleep (51.4%), stress (44.6%), warm climate (41.9%), noise (32.4%), and excitation (29.7%) were the most frequently reported. The delay between trigger exposure and attack onset was between 0 and 3 hours in 67.6% of attacks. This prospective study confirmed the findings of the authors’ previous study, with the exception that number of triggers was smaller, probably due to recall bias. The 4 most frequent triggers (lack of sleep, stress, hot weather, and noise) were identical in both studies.

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