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Drawing of an abdominal aortic aneurysm.

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    • Services and providers for Aortic Aneurysm in the U.S.

  • National Institutes of Health

Also called: AAA, TAA

Most aneurysms -- abnormal bulges or "ballooning" in the wall of an artery -- occur in the aorta. The aorta is the main artery that carries blood from the heart to the rest of the body.

There are two types of aortic aneurysm:

  • Thoracic aortic aneurysms occur in the part of the aorta running through the chest.
  • Abdominal aortic aneurysms occur in the part of the aorta running through the abdomen.

Because aneurysms can develop and become large before causing any symptoms, it is important to look for them in people who are at high risk. Ultrasound screening for abdominal aortic aneurysms is recommended for men who have ever smoked and are between the ages of 65 and 75. Medicines and surgery are the two main treatments for aneurysms.

National Heart, Lung, and Blood Institute

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U.S. National Library of Medicine, 8600 Rockville Pike, Bethesda, MD 20894
National Institutes of Health | Department of Health & Human Services 		Date last updated: 27 April 2009
Topic last reviewed: 02 March 2009