AAA

Screening for AAA in patients with any smoking history with one time abdominal US.

The 30-day mortality ranges from 1-2% for endovascular surgical repair and 4-5% for open surgical repair of AAA. Since this is equal to the annual rupture risk of AAA < 5.5 cm, surgery is recommended for AAA > 5.5 cm or an increase in diameter > 0.5 cm in a 6-month period. Surgery is also recommended in symptomatic patients, regardless of the size of the aneurysm. Endovascular repair is being used with increasing frequency for elective treatment of abdominal aortic aneurysms. Prospective studies demonstrate lower acute morbidity and mortality and fewer late interventions with endovascular repair in experienced hands. However, long-term survival appears comparable to open repair.

This individual’s aneurysm is considered to be relatively small with a low incidence of spontaneous rupture and does not need referral for repair. He may have a repeat ultrasound or CT scan in 6 - 12 months to monitor the diameter.

25 Vascular

25 Vascular

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AAA

The abdominal aorta is the most common site of an arterial aneurysm. Abdominal aortic aneurysms (AAA) are usually located below the renal artery (infrarenal aorta).

The abdominal aorta is 1-3 cm in diameter in most individuals, and a diameter >3 cm at the level of the renal arteries is considered to be an aneurysm. Unlike thoracic aortic aneurysms, an AAA involves all aortal layers and doe
Cardiology
Cardiology
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AAA

25 Vascular

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AAA

Cardiology

Anatomy