Wednesday, September 17, 2008

Research Finding May Explain Migraine Stroke Risk


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New research in the journal Neurology indicating that migraineurs are at a greater risk of vein-related blood clots, such as deep vein thrombosis, than people without migraines is thought to provide an explanation for the increased risk of stroke among migraineurs.

Migraines Linked to Vein Blood Clots

Researchers studied the medical records of around 500 Italians over age 55, 111 of whom had a history of migraine disease. They found that twice as many migraineurs are non-migraineurs had a history of deep vein thrombosis (18% to 9%).

Deep vein thrombosis has been linked to stroke in other well-respected studies, leading the author to speculate this finding is a possible explanation for the increased stroke risk among migraineurs, which has been established by previous research studies.

The study's author said further research is needed, but considers the preliminary findings to be an exciting development in the field.

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