Migraine may be a risk factor for stroke

doi:10.1136/bmj.330.7482.0-b

BMJ 2005;330 (8 January), doi:10.1136/bmj.330.7482.0-b

Migraine may be a risk factor for stroke

Migraine may be an independent risk factor for ischaemic stroke,and the risk is higher among oral contraceptive users and youngeradults. Pooling the data from 11 case-control studies and threecohort studies, Etminan and colleagues (p 63) found that havingmigraines more than doubles the risk for an ischaemic stroke(relative risk 2.16, 95% confidence interval 1.89 to 2.48).The risk was greater in people who had migraine with aura thanin those without aura, and was about eightfold greater in usersof oral contraceptives than in those not using them.

Credit: CHARING CROSS HOSPITAL/SPL

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Relevant Article

Risk of ischaemic stroke in people with migraine: systematic review and meta-analysis of observational studies: Mahyar Etminan, Bahi Takkouche, Francisco Caamaño Isorna, and Ali Samii
BMJ 2005 330: 63. [Abstract] [Full Text] [PDF]