Is an aortic aneurysm dangerous?

Aortic aneurysms are the 13th leading cause of death in the United States, accounting for an estimated 15,000-20,000 deaths annually.

Aortic disease is often insidious. Most people with aortic aneurysms experience no symptoms, unless they are extremely large or an aortic dissection occurs. For most people, their aortic condition is discovered incidentally while being tested for other reasons.  

Aortic aneurysms can lead to rupture or aortic dissection. The risk of these events increases as the size of the aneurysm increases. Rupture of the aorta most frequently results in immediate death. Aortic dissection is the most common catastrophe of the aorta.  As many as 40% of people with aortic dissection die instantly, and the risk of the death increases 1-3% every hour.  

A number of famous people have died of aortic catastrophes, including: Albert Einstein, Olympic volleyball champion Flo Hyman, Broadway composer of “Rent” Jonathan Larson, diplomat Richard Holbrook, musician Gordon Lightfoot, Lucille Ball, George C. Scott, and actor John Ritter.

How can I prevent an aortic dissection  and/or further growth of an aneurysm?  

You can help prevent an aortic dissection and/or further growth of an aneurysm by doing the following:

  • Control your blood pressure. If you have high blood pressure, get a home blood pressure measuring device to help you monitor and keep your blood pressure well controlled.
  • Don't smoke. Or, if you do, take steps to stop.
  • Maintain an ideal weight. Follow a low-salt diet and exercise regularly.
  • Watch your cholesterol. Keep your cholesterol levels within a range that is recommended by your doctor.
  • Continue low-impact exercise (eg brisk walking).  Avoid high-impact exercise that significantly increases your blood pressure (eg weight training)
  • Wear a seat belt. This reduces the risk of traumatic injury to your chest area.
  • Keep your doctor well-informed. If you have a family history of aortic dissection, let your doctor know.


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