What is the role of CADASIL in the etiology of ischemic stroke?

Updated: May 27, 2020
  • Author: Edward C Jauch, MD, MS, FAHA, FACEP; Chief Editor: Helmi L Lutsep, MD  more...
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Cerebral arteriopathy, autosomal dominant, with subcortical infarcts and leukoencephalopathy (CADASIL), is caused by mutations in the NOTCH3 gene. It affects the small arteries of the brain. Strokelike episodes typically occur at a mean age of 46 years, with an age range of 19-67 years. White-matter changes in the brain are typically evident by young adulthood and progress over time. [32]

Migraine headaches occur in 30-40% of people with CADASIL. Approximately 60% of symptomatic individuals have cognitive deficits, which can start as early as age 35 years, and many develop multi-infarct dementia. [33]

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