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What Is a Brain Aneurysm?

There are two types of surgery for a brain aneurysm. The neurosurgeon removes a section of your skull to access the aneurysm and locates the blood vessel that feeds the aneurysm.  The Circle of Willis is that the junction of the four major arteries, two carotid arteries, and two vertebral arteries, that provide the brain with nutrition (especially oxygen and glucose). This loop of arteries is found at the bottom of the brain and sends out smaller branch arteries to all or any parts of the brain. The junctions where these arteries close may develop weak spots. These weak spots can balloon out and fill with blood, creating the outpouchings of blood vessels referred to as aneurysms. These sac-like areas may leak or rupture, spilling blood into surrounding brain tissue.

brain aneurysm


Aneurysms have a spread of causes including high vital sign and atherosclerosis, trauma, heredity, and abnormal blood flow at the junction where arteries close.

There are other rare causes of aneurysms. Tumors and trauma also can cause aneurysms to make. substance abuse, especially cocaine, can cause the artery walls to inflame and weaken.

Brain aneurysms are a standard occurrence. At autopsy, incidental aneurysms that haven't caused any symptoms or issues are found in additional than 1% of individuals. Most aneurysms remain small and are never diagnosed. Some, however, may gradually become larger and exert pressure on surrounding brain tissue and nerves and should be diagnosed due to stroke-like symptoms including:

• headache,

• numbness, or weakness of 1 side of the face,

• a dilated pupil, or

• change in vision.

</h4>What are the symptoms of a brain aneurysm?</h4>

Aneurysms are unpredictable and should not show any symptoms until they rupture. Large or ruptured aneurysms will usually show definite symptoms and need emergency medical aid.

The symptoms and warning signs of an aneurysm vary supported by whether it’s ruptured or not.

Symptoms of an unruptured aneurysm include:

• headache or pain behind or above the attention, which may be mild or severe

• blurred or diplopia

• dizziness

• visual deficits

• seizures

See your doctor as soon as possible if you experience any of those symptoms.

Symptoms of a ruptured aneurysm include:

• neck stiffness

• blurry or diplopia

• sensitivity to light

• drooping eyelid

• trouble speaking or a change in awareness and psychological state

• trouble walking or dizziness

• nausea or vomiting

• seizure (convulsion)

• loss of consciousness

If you've got an aneurysm that's “leaking,” you'll only experience a sudden, severe headache.

Seek emergency medical attention directly if you experience one or more of those symptoms.

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