Migraine increases the risk of ischaemic but not haemorrhagic stroke in young women

In women of childbearing age, migraine significantly increases the risk of ischaemic but not haemorrhagic stroke. This finding comes from a large European hospital based case-control study of women aged 20 to 44, in whom both simple and classical migraine were associated with about a threefold increase in risk of ischaemic stroke (p 13). Chang et al found that use of oral contraceptives, high blood pressure, and smoking all had a greater than multiplicative effect on the risk of ischaemic stroke associated with migraine. In migrainous women, 20% to 40% of strokes developed directly from a migraine attackso called migrainous strokes.


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Migraine and stroke in young women: case-control study

C L Chang, Michael Donaghy, and Neil Poulter
BMJ 1999 318: 13-18. [Abstract] [Full Text] [PDF]