Brain aneurysm: Are you at risk?

Though you’ve likely heard of brain aneurysm, many people aren’t sure exactly what it is or if they are at risk. Simply put, an aneurysm is an abnormal bulging in the wall of an artery. A brain aneurysm is when this occurs in an artery in the brain.

Most brain aneurysms cause no symptoms until they get very large, begin to leak blood or rupture. A ruptured aneurysm is called a stroke.

Risk factors

Men are more likely to suffer an aneurysm than women. Brain aneurysms tend to occur more often in middle age. Many of the risk factors for aneurysm, however, are unhealthy lifestyle behaviors.

  • Smoking
  • Severe and persistent high blood pressure
  • Atherosclerosis (buildup of fatty deposits in the arteries)
  • Obesity or extra weight
  • Use of stimulant drugs such as cocaine

Signs of aneurysm

According to the National Brain Aneurysm Center, formerly the HealthEast Neurovascular Institute, most people who have an aneurysm will not have any symptoms until it bursts or puts pressure on the surrounding brain tissue.

Call 911 immediately if you experience:

  • Sudden numbness or weakness of the face, arm or leg, especially on one side of the body
  • Sudden confusion, trouble speaking or understanding
  • Sudden trouble seeing in one or both eyes
  • Sudden trouble walking, dizziness, loss of balance or coordination
  • Sudden, severe headache with no known cause
  • Sensitivity to light
  • Neck stiffness
  • Nausea and vomiting

The danger of a brain aneurysm depends on its size and location in the brain, whether it leaks or ruptures, and a person's age and overall health. An unruptured aneurysm, if it is small, will likely go undetected. Larger aneurysms, however, can press on the brain or the nerves stemming out of the brain and result in double vision, weakness, numbness, seizures and difficulty speaking.

Take charge of your health

While we cannot predict who will or will not suffer from brain aneurysm, anyone can reduce his or her risk by eliminating unhealthy lifestyle habits. A healthy diet, exercise and addressing health conditions such as high blood pressure can help you avoid any number of health conditions. If you need help managing your health, make an appointment to talk to your HealthEast clinician today.

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This publication does not constitute professional medical advice. Although it is intended to be accurate, neither the publisher nor any other party assumes liability for loss or damage due to reliance on this material. If you have a medical question, consult your medical professional. Images may be from one or more of these sources: ©Jupiterimages, ©Getty Images, ©iStock, ©PhotoSpin, ©SnapVillage. ©2008 HealthEast Care System
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