What is the mortality rate for aneurysmal subarachnoid hemorrhage (SAH)?

Updated: Dec 06, 2018
  • Author: David S Liebeskind, MD, FAAN, FAHA, FANA; Chief Editor: Helmi L Lutsep, MD  more...
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Answer

A consequence of cerebral aneurysm, aneurysmal subarachnoid hemorrhage (SAH) has devastating consequences. About 10% of individuals with aneurysmal SAH die before reaching medical attention, 25% die within 24 hours, and 40-49% die within 3 months. Mortality has been estimated to be as high as 65%, with most deaths occurring early in the clinical course. See the image below.


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