Ruptured brain aneurysms are fatal in about 50% of cases. Of those who survive, about 66% suffer some permanent neurological deficit. Approximately 15% of people with a ruptured aneurysm die before reaching the hospital.

How long can you live after a brain aneurysm?

About 75% of people with a ruptured brain aneurysm survive longer than 24 hours. A quarter of the survivors, though, may have life-ending complications within six months. Call 911 or go to an emergency room if you think you are having symptoms of a brain aneurysm or ruptured aneurysm.

What are the odds of surviving a brain aneurysm?

The survival rate for those with a ruptured brain aneurysm is about 60% (40% die). For those who survive and recover, about 66% have some permanent neurological defect.