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Author (up) Husoy, A.K.; Indergaard, M.K.; Honningsvag, L.M.; Haberg, A.K.; Hagen, K.; Linde, M.; Garseth, M.; Stovner, L.J. url  doi
  Title Perivascular spaces and headache: A population-based imaging study (HUNT-MRI) Type Journal Article
  Year 2016 Publication Cephalalgia Abbreviated Journal Cephalalgia  
  Volume 36 Issue 3 Pages 232-239  
  Keywords HUNT1; HUNT2; HUNT3; Virchow-Robin spaces; epidemiology; headache; magnetic resonance imaging; migraine; population-based  
  Abstract BACKGROUND: In four previous clinic-based MRI studies headache sufferers (in particular migraineurs) had more perivascular spaces (PVS) than individuals who were headache-free. METHODS: The present study was part of a large longitudinal, epidemiological study (Nord-Trondelag Health Survey (HUNT)). The 1006 participants, age 50-65 years at inclusion, had participated in all previous HUNT surveys (1-3), and been randomly selected to a population-based imaging study of the head (HUNT-MRI, 2007-2009). The number of visible 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 people who were headache-free. RESULTS: The results showed in general small differences between headache sufferers and headache-free participants. In the cross-sectional analysis migraineurs without aura had fewer PVS than headache-free individuals in BG (OR = 0.84, 95% CI = 0.76--0.94, p value = 0.003) and in BG and HWM together (OR = 0.97, 95% CI = 0.95-1.00, p value = 0.046). No difference between long-term headache sufferers and long-term headache-free individuals with regard to number of PVS was found. DISCUSSION: In contrast to previous studies, the present large, blinded, population-based study showed no increase in number of dilated PVS among headache sufferers. Fewer PVS among those with migraine without aura may be a spurious finding.  
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  Publisher Place of Publication Department of Neuroscience, Norwegian University of Science and Technology, Norway ahusoy@gmail.com. Editor  
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  Notes Husoy, Andreas KattemIndergaard, Marit KristinaHonningsvag, Lasse-MariusHaberg, Asta KHagen, KnutLinde, MattiasGarseth, MariStovner, Lars JacobengResearch Support, Non-U.S. Gov'tEngland2015/05/31 06:00Cephalalgia. 2016 Mar;36(3):232-9. doi: 10.1177/0333102415587691. Epub 2015 May 29. Approved no  
  Call Number HUNT @ maria.stuifbergen @ Husoy2016 Serial 1753  
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