Moyamoya Disease

Moyamoya Disease

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Duke is a leading regional referral center for moyamoya disease, a rare condition in which large arteries thicken and reduce the brain's blood supply. Our specialists surgically bypass affected arteries to restore blood flow.

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About Moyamoya Disease

Moyamoya is a potentially devastating condition that occurs when the walls of the brain's large arteries thicken, and and gradually shut down blood flow. As the large arteries thicken, the brain recruits smaller vessels to distribute blood, which can increase your risk for stroke.  As a result, blood leaks into the brain from the smaller vessels.  The small vessels are often described during imaging procedures as  a puff of smoke, which is why the disease is called moyamoya. Moyamoya is the Japanese term for “puff of smoke.”

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Duke Health offers locations throughout the Triangle. Find one near you.

Treatments

Medication

Anti-clotting drugs may be prescribed to reduce the risk of clots.

Cerebral Artery Bypass

Reroutes blood flow around blocked, narrowed or damaged arteries in the brain. Often essential in emergencies, a cerebral bypass may be required to restore healthy blood flow.

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Tests

Angiogram

Dye or contrast material is injected to create images of the blood vessels in the brain. Identifies limited blood flow and/or blockages.

Best Neurology, Neurosurgery in North Carolina
When it comes to your care, you want the very best. Duke University Hospital's nationally ranked neurology and neurosurgery program was named best in North Carolina by U.S. News & World Report for 2019–2020.

Why Choose Duke

Surgical Experience
Our cerebrovascular surgeons’ experience treating this complex, sometimes life-threatening condition ensures consistently successful outcomes for our moyamoya patients.  We work regularly with patients facing challenging conditions that require surgery on blood vessels within the brain.

Moyamoya Referral Center
Our consistently successful outcomes has solidified our reputation as a referral center.  Because the disease is rare, some patients receive their first accurate diagnosis and treatment plan while in our care.