What is the prevalence of posterior cerebral artery (PCA) stroke?

Updated: Jul 30, 2018
  • Author: Erek K Helseth, MD; Chief Editor: Helmi L Lutsep, MD  more...
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An estimated 5-10% of ischemic strokes in the United States involve the posterior cerebral artery (PCA) or its branches. While stroke is the third leading cause of death in the United States and the leading cause of adult disability, death from PCA stroke is uncommon and would more likely occur in the setting of concomitant brainstem infarction.

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