Moyamoya Disease is a Hereditary Condition Mostly Affecting Children

Dr. Michael Thomas is a neurosurgeon with more than 20 years of experience. At his Yakima, Washington, neurosurgical practice, Dr. Michael Thomas utilizes his extensive knowledge as a neurosurgeon to diagnose and treat brain conditions, including a serious brain ailment known as moyamoya disease.

Moyamoya disease is a rare condition in which blood flow to the brain becomes reduced by a narrowing of the arteries at the base of the brain. The condition mostly affects children and causes them to suffer mini-strokes. In adults, moyamoya disease can result in a hemorrhage stroke because of continuous blood clots forming in the damaged blood vessels.

Symptoms of moyamoya disease include involuntary movements, vision problems, and sensory and cognitive impairments. Research has shown that moyamoya disease tends to be hereditary and is caused by a genetic abnormality. A number of surgeries can restore blood flow to the brain by going around blocked arteries or widening narrowed blood vessels. Without surgery, individuals diagnosed with moyamoya disease will suffer from recurring strokes and declining mental facilities, and eventually, death.


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