Abdominal Aortic Aneurysm - a Dilated Abdominal Aorta

>> Sunday, February 15, 2009

An aneurysm is an abnormal dilatation of an artery. The serious nature of arterial aneurysms relates to the weakened vessel wall and potential for rupture or vascular compromise.

An abdominal aortic aneurysm is a dilatation of the abdominal aorta which lies between the diaphragm and above the iliac arteries. Its branches include the celiac trunk, superior mesenteric artery, inferior mesenteric artery, renal arteries and gonodal arteries. Most aneurysms usually occur at the distal part located near the renal arteries.

95% of aneurysms of the abdominal aorta are due to atherosclerosis, other causes include trauma, infection, syphilis and Marfan's syndrome. Men are affected 10 times more frequently than women with an age of onset usually between 50 to 70. Most of them are asymptomatic. Pain usually signifies a change ion the aneurysm, commonly enlargement, rupture or compromise of vascular supply and should therefore be considered an ominous symptom.

Any patient presenting with symptoms on physical examination suggesting a catastrophic aortic even should undergo emergent diagnostic evaluation and workup. Treatment of asymptomatic abdominal aortic aneurysms depends on the size of the lesion, usually medical for smaller lesions and surgical for bigger lesions which are usually at a higher risk of rupturing.

1 comments:

Richard Hay March 2, 2009 at 5:26 PM  

Abdominal aortic aneurysm is a ballooning or widening of the main artery. It is a gradual process that occurs primarily in elderly people. It doesn't really occur in young people. A new treatment procedure called endovascular treatment is now being used and patients can go home in 24 hours. To know more visit here http://www.asiasbestdoctors.com/story_1305.html and consult Dr.Sateesh Babu to know - WHAT IS AN AORTIC ANEURYSM?

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