Abdominal aortic aneurysm

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Aortic aneurysm

Aortic rupture, chest X-ray

An abdominal aortic aneurysm is when the large blood vessel that supplies blood to the abdomen, pelvis, and legs becomes abnormally large or balloons outward.

Aneurysm - aortic; AAA

The exact cause is unknown, but risk factors for developing an aortic aneurysm include:

• Smoking
• High blood pressure
• High cholesterol
• Male gender
• Emphysema
• Genetic factors
• Obesity

An abdominal aortic aneurysm can develop in anyone, but is most often seen in males over 60 who have one or more risk factors. The larger the aneurysm, the more likely it is to rupture and break open.

Review Date: 08/21/2009
Reviewed By: James Lee, MD, Department of Surgery, Columbia Presbyterian Medical Center, New York, NY. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

A.D.A.M., Inc. is accredited by URAC, also known as the American Accreditation HealthCare Commission (www.urac.org).

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