The migraine-ischemic stroke connection: potential pathogenic mechanisms.

Abstract excerpt

Strong epidemiological evidence indicates that migraine, especially migraine with aura, is associated with increased risk of ischemic stroke. However, the precise mechanisms of such a relation are currently not fully elucidated and are still a matter of speculation. Migraine may directly cause an ischemic event (i.e, migrainous infarct), by inducing cerebral microcirculatory vasoconstriction (cortical spreading...

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