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A 31-year-old member asked:

What are possible causes of most aneurysms of the abdominal aorta?

2 doctor answers4 doctors weighed in
Dr. J Roberts
Vascular Surgery 28 years experience
4 things: Tobacco, diabetes, hypertension & hyperlipidemia... Are the primary causative factors... Genetics is a distant secondary cause...
Dr. Creighton Wright
surgery 57 years experience
Atherosclerosis: Some theories about collagen, ischemic wall etc, but most are in atherosclerotic vessels in abdomen or elsewhere. Aneurysms can happen in any blood vessel, but AAA is the most common. Some rare infections , congenital, traumatic.

Similar questions

A 43-year-old member asked:

What is the presumed cause of most aneurysms of the abdominal aorta?

2 doctor answers3 doctors weighed in
Dr. Robert Vorhies
Vascular Surgery 26 years experience
Several theories: Most common belief is that aneurysms develop due to some inherent weakness in the artery's muscular layer due to an imbalance of collagen metabolism or genetic collagen abnormalities. The only independent risk of aneurysm growth is high blood pressure and smoking.

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Last updated Mar 18, 2019
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