What is the role of cerebral blood flow (CBF) in the etiology 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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Answer

Cerebral blood flow (CBF) rates of less than 20 mL/100 g/min may produce infarction depending on these individual differences plus the duration of oligemia, with lower CBF rates (< 10 mL/100 g/min) requiring less time to produce irreversible injury. Rapid restoration of blood flow is the most effective means of preserving brain tissue.


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