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What is the survival rate after a brain aneurysm? A brain aneurysm rupture is fatal for approximately 50% of people within 3 months of the event, with nearly one-quarter of people...
This article explains brain aneurysm survival rates and general outlook, including survival rates with ruptures. It also discusses factors that may affect your outcome, prevention, and some frequently asked questions.
Brain aneurysms can occur anywhere in your brain, but most of them form in the major arteries along the base of your skull. Approximately 10% to 30% of people who have a brain aneurysm have multiple aneurysms. The majority of brain aneurysms are small and don’t cause symptoms.
A brain aneurysm (AN-yoo-riz-um) — also known as a cerebral aneurysm or intracranial aneurysm — is a bulge or ballooning in a blood vessel in the brain. An aneurysm often looks like a berry hanging on a stem.
With rapid, expert treatment, patients can often recover fully. An unruptured brain aneurysm may cause zero symptoms. People can live with them for years before detection. If a brain aneurysm is unruptured, no blood has broken through the blood vessel walls.
What Is the Survival Rate and Prognosis for a Brain Aneurysm? Researchers estimate that about 6 million people in United States have an unruptured brain aneurysm, and about 10% to 15% of these people will have more than one brain aneurysm.
Research suggests that a ruptured brain aneurysm is fatal in approximately 25% of people within the first 24 hours ― and 50% of people with the condition over a 3-month period. Overall,...