An aneurysm is an outpouching of a blood vessel wall. This can occur anywhere there are blood vessels, including in the brain. The bulging, blood-filled pocket can put pressure on parts of the brain, potentially causing symptoms. In addition, the blood vessel can rupture (hemorrhage). Early detection and diagnosis may help prevent severe or fatal complications in some patients. Many aneurysms go unnoticed for a lifetime and cause no symptoms.
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Talk with your doctor about the best treatment plan for you. Other medical conditions; lifestyle factors; as well as the type, size, and location of the aneurysm will direct treatment. For a known aneurysm that is not leaking or ruptured, treatment options include the following:
Your doctor may need to monitor you to see if the aneurysm gets larger or begins to leak.
Medicines are not used to fix an aneurysm. Medicines may be used to help lower blood pressure, treat pain, or stop side effects of the aneurysm, like seizures.
During this procedure, a catheter is thread up to the aneurysm. Coils, a special liquid, or balloons are used to fill the aneurysm and stop circulation, causing it to clot. This may need to be done more than once.
Surgical options include microvascular clipping or occlusion.
- Microvascular clipping—A neurosurgeon cuts off blood flow to the aneurysm.
- Microvascular occlusion—A neurosurgeon clamps off the entire artery leading to the aneurysm. Sometimes a bypass procedure (rerouting a new blood vessel) is done too.