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Facts | Symptoms | Causes | Prevention | Treatment options
An aneurysm forms when the wall of a blood vessel dilates and causes an artery to expand abnormally. A brain aneurysm forms a weak bulge in an artery of the brain that resembles a small balloon. These aneurysms can occur in people of any age. They are generally more common in females rather than males and adults rather than children. A brain (or cerebral) aneurysm can be detected with imaging tests such as an MRI or CT scan. The bulge in the artery may burst much like a blow out on a tire, which then causes hemorrhaging in the brain. When this occurs, immediate medical attention should be sought. Early detection and prevention are key to effectively treating and recovering from aneurysms. Recovery from aneurysm treatment depends largely upon whether or not the aneurysm was ruptured. In those patients in whom an aneurysm is unruptured, a recovery with little or no neurological loss is much more likely than if the aneurysm had ruptured. [top]
A small aneurysm may produce no symptoms at all, while a larger one is more likely to display severe symptoms.
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Possible causes of aneurysm include hypertension (high blood pressure), trauma, disease, injury, heredity and infection. Studies have shown that smoking is significantly associated with aneurysm rupture. [top]
Click here to learn about specific ways to prevent aneurysms. [top]
Click here for information on treating aneurysms. [top]
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