Circadian rhythms of migraine attacks in episodic and chronic patients: a cross sectional study in a headache center population.

ABSTRACT:

Background

Migraine is considered a disease with diurnal and 24 h pattern, though the existence of a prevalent circadian rhythm associated to migraine frequency and severity is still not clear. This observational cross-sectional study aimed to: 1. Assess the circadian rhythm of migraine attacks onset in a large patients' population selected in a headache center and including episodic and chronic migraine 2. Analyze the principal characteristic of the different onset time groups 3. Verify if migraine features, particularly those associated to chronic and disabling migraine, could be discriminant factors for time of onset group.

Methods

We selected 786 consecutive migraine outpatients, who correctly completed the headache diaries for 3 consecutive months and who fulfilled the

SUBMITTER: de Tommaso M 

PROVIDER: S-EPMC6027564 | biostudies-literature | 2018 Jul

REPOSITORIES: biostudies-literature