CAUSES & RISK FACTORS OF BRAIN ANEURYSMS

The following risk factors may increase your risk of developing an aneurysm or increase your risk of a rupture if you already have one. Fortunately, some can be controlled. 

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  • Hypertension 

  • Smoking

  • Excessive Alcohol Use 

  • Drug Use ( particularly cocaine)

  • Head Injury

  • Family history of brain aneurysm, particularly of first degree relative such as a parent, brother, sister or child. However, it has been known for brain aneurysms to be found in second degree relatives such as grandparents, grandchildren, uncles, aunts, nephews, nieces  and half siblings.

  • Inherited connective tissue disorders such as Ehlers-Danlos syndrome, that weakens blood vessels

  • Polycystic kidney disease, an inherited disorder that results in fluid-filled sacs in the kidneys and usually increases blood pressure

  • Abnormally narrow aorta (coarctation of the aorta), the large blood vessel that delivers oxygen rich blood from the heart to the body

  • Presence of a Cerebral AVM (Arteriovenous Malformation) an abnormal connection between arteries and veins in the brain that interrupts the normal blood flow between them

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