A brain aneurysm is a bulge in a blood vessel in the brain. The bulge is filled with blood. It can put pressure on parts of the brain. The blood vessel can also burst and cause bleeding in the brain. Finding an aneurysm early can help prevent severe or fatal problems in some people.
Cerebral aneurysm. American Association of Neurological Surgeons website. Available at: https://www.aans.org/Patients/Neurosurgical-Conditions-and-Treatments/Cerebral-Aneurysm. Accessed September 6, 2021.
Cerebral aneurysms fact sheet. National Institute of Neurological Disorders and Stroke website. Available at: https://www.ninds.nih.gov/Disorders/Patient-Caregiver-Education/Fact-Sheets/Cerebral-Aneurysms-Fact-Sheet. Accessed September 6, 2021.
Flow diversion on aneurysms with stents. Neurology and Neurosurgery—Johns Hopkins Medicine website. Available at: https://www.hopkinsmedicine.org/neurology_neurosurgery/centers_clinics/aneurysm/treatment/flow-diversion.html. Accessed September 6, 2021.
Hu S, Yu N, et al. A meta-analysis of risk factors for the formation of de novo intracranial aneurysms. Neurosurgery. 2019;85(4):454-465.
Subarachnoid hemorrhage. EBSCO DynaMed website. Available at: https://www.dynamed.com/condition/subarachnoid-hemorrhage. Accessed September 6, 2021.
Last reviewed July 2021 by
EBSCO Medical Review Board
Nicole Meregian, PA
Last Updated: 9/6/2021
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