Abdominal aortic aneurysm

Abdominal aortic aneurysm (AAA or triple A) The peak number of new cases per year among males is around 70 years of age, the percentage of males affected over 60 years is 2–6%. The frequency is much higher in smokers than in non-smokers (8:1), and the risk decreases slowly after smoking cessation. In the U.S., the incidence of AAA is 2–4% in the adult population.
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