Abstract
Method The study was part of a large longitudinal epidemiological study (Nord-Trondelag Health Survey (HUNT)). The 1006 participants were 50-65 years at inclusion, had participated in all previous HUNT studies (1, 2 and 3), and had been randomly selected to a population-based imaging study of the head (MRI-HUNT, 2007-2009). The number of dilated PVS in the basal ganglia (BG) and hemispheric white matter (HWM) was compared in headache sufferers (migraine with and without aura, non-migrainous headache) and headache-free. Both cross-sectional and longitudinal analyses were performed.
Highlights
In three former studies headache sufferers had more perivascular spaces (PVS) on MRI than headache-free
Aim To evaluate the association between headache and PVS in a relatively large and population-based imaging study with a blinded design
In contrast to the findings of previous studies the present study showed no increase in number of dilated PVS among headache sufferers
Summary
From 4th European Headache and Migraine Trust International Congress: EHMTIC 2014 Copenhagen, Denmark. 18-21 September 2014
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