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  /  LifeStyle   /  Health   /  Brain Aneurysm: Causes, Diagnosis, Symptoms And Treatment
Brain Aneurysm : Causes, Diagnosis, Symptoms And Treatment

Brain Aneurysm: Causes, Diagnosis, Symptoms And Treatment

A brain aneurysm is a condition when a weak spot in the brain’s arterial wall bulges and fills with blood. It may also be called an intracranial aneurysm or cerebral aneurysm.

A brain aneurysm is a potentially life-threatening condition that can affect a person at any age. If a brain aneurysm bursts, it’s an emergency situation that can result in a stroke, brain damage, and even death if not treated immediately.

Brain Aneurysm : Causes, Diagnosis, Symptoms And Treatment

Brain Aneurysm : Causes, Diagnosis, Symptoms And Treatment

Not all aneurysms will rupture. Around 6 million people in the United States have aneurysms that haven’t ruptured, according to the Brain Aneurysm Foundation. An estimated 50 to 80 per cent of all aneurysms never rupture in a person’s lifetime.

Only about 30,000 of people in the United States experience ruptured aneurysms each year. Forty per cent of ruptured aneurysms are fatal.

What does a brain aneurysm look like?

Brain aneurysms can take several forms. Stanford Health Care states that almost 90 percent are saccular, or “berry,” aneurysms. This type forms a sac outside the artery that looks like a berry. A fusiform aneurysm is an uncommon aneurysm that causes the artery to bulge all the way around.

A dissecting aneurysm is a tear in one of an artery’s several linings. It can leak blood into the other layers and balloon out or block the artery.

What causes a brain aneurysm?

Some events encourage the development or rupture of an aneurysm in the brain. A study in the American Heart Association’s journal Stroke concluded that the following factors may trigger the rupture of an existing aneurysm:

  • Excessive exercise.
  • Coffee or soda consumption.
  • Straining during bowel movements.
  • Intense anger.
  • Startling.
  • S*xual intercourse.
  • Some aneurysms develop over the course of a person’s lifetime, some are inherited, and some result from brain injuries.

Who’s at risk for a brain aneurysm?

Brain aneurysms can affect anyone, but people with atherosclerosis (hardening of the arteries) are at high risk of forming brain aneurysms.

The Brain Aneurysm Foundation also states that brain aneurysms are most common in people between 35 and 60 years old. Women are more likely to get aneurysms than men due to low estrogen levels after menopause. If aneurysms run in your immediate family, your risk of having one is higher.

Other risk factors for brain aneurysms include:

  • Old age.
  • Drug abuse, especially cocaine.
  • Alcohol abuse.
  • Congenital problems that affect the arterial walls, such as Ehlers-Danlos syndrome.
  • Head injury.
  • Cerebral arteriovenous malformation.
  • Congenital narrowing of the aorta known as coarctation

What are the symptoms of a brain aneurysm?

Aneurysms are unpredictable and may not show any symptoms until they rupture. Large or ruptured aneurysms will usually show definite symptoms and require emergency medical care.

The symptoms and warning signs of an aneurysm vary based on whether it’s ruptured or not.  Below are the symptoms of an unruptured aneurysm:

  • Headache or pain behind or above the eye, which can be mild or severe.
  • Blurred or double vision.
  • Dizziness.
  • Visual deficits.
  • Seizures.

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

Symptoms of a ruptured aneurysm include:

  • Sudden, severe headache, “the worst headache of my life”.
  • Neck stiffness.
  • Blurry or double vision.
  • Sensitivity to light.
  • Drooping eyelid.
  • Trouble speaking or a change in awareness and mental state.
  • Trouble walking or dizziness.
  • Nausea or vomiting.
  • Seizure (convulsion).
  • Loss of consciousness.
  • If you have an aneurysm that is “leaking,” you may only experience a sudden, severe headache.

Seek emergency medical attention right away if you experience one or more of these symptoms.

How is a brain aneurysm diagnosed?

Unless an aneurysm ruptures, it may be difficult to diagnose the condition. Doctors can use certain tests to locate aneurysms in people who have family histories of the condition, risk factors, and inherited aneurysm-related health issues.

Brain Aneurysm : Causes, Diagnosis, Symptoms And Treatment

CT and MRI scans take pictures of the brain tissues and arteries. CT scans take several X-rays and then provide a 3-D image of your brain on a computer. MRI scans work by scanning your brain with radio waves and magnetic fields and creating images.

CT scans are better at revealing bleeding that may already be present. A spinal tap, where a doctor draws the fluid from the spine, can check for signs of bleeding in the brain. Cerebral angiograms can also check for bleeding and any abnormalities in the brain arteries.

Also read:
– Regularly Eating Spicy Peppers May Be Damaging Your Brain
– “Game of Thrones” Star Emilia Clarke Opens Up About Near-Fatal Battle With Brain Aneurysms
– Digital Health: Give Your Brain And Eyes Needed Rest With These Tips

Treating brain aneurysms

Treatment for aneurysm can vary based on the size, location, and severity of the aneurysm as well as whether or not it has ruptured or is leaking. Pain medication can soothe headaches and eye pain.

If the aneurysm is accessible, surgery can repair or cut off blood flow to the aneurysm. This can prevent further growth or rupture. Some surgeries include:

  • Surgical clipping, in which an aneurysm is closed using a metal clip.
  • Endovascular coiling, in which a catheter is inserted through an artery to your aneurysm and blood flow is blocked, which ultimately closes off the aneurysm

Several lifestyle changes can help you manage aneurysms, including:

  • Quitting smoking.
  • Eating a diet of fruit, vegetables, whole grains, lean meat, and low-fat dairy products.
  • Exercising regularly, but not excessively.
  • Managing high blood pressure or high cholesterol.

What are the complications of brain aneurysms?

Pressure from the blood leaking into your brain from a ruptured aneurysm can build up quickly. If the pressure becomes too high, it can result in unconsciousness. Death can occur in some cases.

After a brain aneurysm ruptures, it can rupture again at any time, even after treatment. Your brain’s blood vessels can also become narrow without warning (vasospasms) in response to elevated pressure around the brain.

What is the outlook for someone with a brain aneurysm?

Be vigilant in monitoring an aneurysm for signs of rupture. If you get immediate treatment for a rupture, your survival and recovery rates are much higher than if you don’t seek emergency medical care right away.

Recovery in the hospital from surgery on an unruptured aneurysm is usually quick. For surgeries involving a ruptured aneurysm, maximum recovery can take weeks to months, and it’s possible you may never fully recover, depending on the severity of the damage.

Be alert about warning signs. If you have any risk factors, see your doctor immediately for an examination. Unruptured brain aneurysms are serious and need to be addressed as soon as possible once they are discovered. Leaking or ruptured brain aneurysms are a medical emergency and require critical care management from experienced physicians in order to ensure the best possible outcome.


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