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Risk Factor and Complications of a Brain Aneurysm

A brain aneurysm causes a leak or rupture of a brain Aneurysm. It causes enough bleeding around the brain.

It also causes a hemorrhagic stroke.  Ruptured of a brain Aneurysm occurs in the space between the brain. It is a weak spot on the wall of a blood vessel that is inside the brain.

This types of hemorrhagic stroke are also known as subarachnoid hemorrhage.

A brain aneurysm doesn’t because of any symptoms. A person enjoys and lives a long life without ever realizing that you have a brain aneurysm.

It is very serious and requires emergency medical care. Ruptured brain aneurysm prevents the blood flow to the brain.

A Brain Aneurysm is most common in people between 40 to 60 years old. It is mostly found in women as compared to men.

There are various factors that are responsible for weakening in the artery wall. It also increases the risk of a brain aneurysm or aneurysm rupture.

Signs and Symptoms of a Brain Aneurysm

Old age group people


High blood pressure  or hypertension

Drug abuse, particularly the use of cocaine

Heavy alcohol consumption


Risk Factors for a Brain Aneurysm. These include:

There are various inherited connective tissue disorders like Ehlers-Danlos syndrome that weakening the blood vessels.

1. Polycystic Kidney Disease

Polycystic kidney disease is an inherited disorder. It results in fluid-filled sacs in the kidneys.It also increases the blood pressure.

2. Abnormally Narrow Aorta


In these the large blood vessel that delivers oxygen-rich blood from the heart to all over the body.

3. Cerebral Arteriovenous Malformation

The cerebral arteriovenous malformation is also called brain AVM.  In these, there is an abnormal connection between arteries and veins in the brain. It also interrupts the normal flow of blood between them.

Complications in a Brain Aneurysm

1. Re-Bleeding

There is a chance of a Brain aneurysm that has ruptured or leaked is at risk of bleeding again. Re-bleeding can also damage brain cells.

2. Vasospasm

When a brain aneurysm ruptures the blood vessels.  This condition can limit blood flow to brain cells and cause additional cell damage.

3. Hydrocephalus

When an aneurysm rupture results in bleeding in the brain and surrounding tissue. The blood can block the circulation of the fluid surrounding the brain and spinal cord.


Excess of the cerebrospinal fluid increases pressure on the brain and can damage tissues.

4. Hyponatremia

In the subarachnoid hemorrhage, the ruptured brain aneurysm can disrupt the balance of sodium in the blood. This may occur from damage to the hypothalamus near the base of the brain.

These are the several risk and complications of a brain aneurysm. Ruptured brain aneurysms are a medical emergency and require critical care management from experienced doctors. So that best possible outcome is given.