Outcomes Positive After Migraine-Linked Stroke

Eleanor McDermid

Migraine-associated stroke in women is likely to have good outcomes, shows an analysis of the Women's Health Study (WHS).

Many studies have linked migraine, especially when associated with aura, to an increased risk for ischemic stroke.

But the current study, by Tobias Kurth (Harvard Medical School, Boston, Massachusetts, USA) and colleagues, suggests that the increased risk is restricted to mild strokes.

This supports "the idea that the association between migraine with aura and ischemic stroke may be due to microvascular phenomena, instead of other mechanisms," the team writes in the journal Circulation.

Among 27,852 WHS participants, aged at least 45 years at baseline, 1435 had active migraine with aura and 2177 had migraine without aura. Over an average of 13.5 years, 398 women suffered a transient ischemic attack (TIA) and 345 had a stroke.

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