Tags: migraine | stroke | aura

Some Migraines Tied to Increased Stroke Risk

Image: Some Migraines Tied to Increased Stroke Risk
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By    |   Tuesday, 10 Oct 2017 03:15 PM

Migraine sufferers who also experience visual disturbances, called auras, face much higher risks for stroke, according to a new study of twins.

The findings, published in the journal Brain, could offer a new way to identify those at higher risk for cardiovascular problems, the leading cause of death in the U.S.

An estimated 39 million Americans are affected by migraine, a brain disorder that leads to moderate or severe throbbing pain on one or both sides of the head.

About 25 percent of people with migraine experience auras – neurological symptoms that can include visual disturbances, such as colored spots or temporary blindness, dizziness, numbness, or tingling on one side of the body, and speech difficulties.

For the new research, Dr. Maria Lantz, of the Department of Clinical Neuroscience at Karolinska Institutet in Sweden- and colleagues analyzed data from the Swedish Twin Registry, identifying more than 53,000 twins who were born between 1935 and 1958 or between 1959 and 1985.

The researchers found 8,635 twins experienced migraine, of whom 5,082 had migraine without auras, and 3,553 had migraine with auras.

Over 12 years of follow up, there were 1,297 stroke incidents among the twins.

The analysis showed twins who experienced migraine with auras were 27 percent more likely to have had a stroke during follow-up than those who did not.

No increased stroke risk was found for twins who had migraine without aura, even when such stroke risk factors as blood pressure and smoking were taken into account.

“In conclusion, we observed no increased stroke risk related to migraine overall but there was a modestly increased risk for stroke related to migraine with aura, and within-pair analyses suggested that familial factors might contribute to this association,” the researchers reported.

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Migraine sufferers who also experience visual disturbances, called auras, face higher risks for stroke, according to a new study of twins.
migraine, stroke, aura
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2017-15-10
Tuesday, 10 Oct 2017 03:15 PM
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