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What Causes Abdominal Aortic Aneurysm
"Aneurysm" has scary implications for many people. It just means an enlargement of an artery. The problem is that when arteries (including the aorta) get too large, their walls become weak and prone to tear (dissection) or rupture. If this happens in the aorta it can be a catastrophe. Management of aortic aneurysms depends on where it is, how big, whether it's growing, ...Read more
Involve renal artery: A juxtarenal AAA is an aneurysm that involves or is associated with the renal arteries which are vital as they supply the kidneys with blood. The repair of this type of aneurysm is very challenging and so be sure and see a board certified Vascular Surgeon with a great deal of experience for consultation and treatment. ...Read moreSee 3 more doctor answers
Cysticmedialnecrosis: The aorta is a living organ. Has 3 layers. Intima, media, adventitia. The aortic wall is nourished by the vasa vasorum. Arteriosclerosis creates cholesterol plaque, the vasa vasorum occlude, the media slowly dies and becomes replaced by collagenous tissue, pressure and Collagenase activity weaken wall and it dilates excessively, if not repaired claims 17, 000 americans/yr.70%infrarenal. ...Read moreSee 2 more doctor answers
Bulging Aorta: Ballooning of the abdominal portion of the aorta. The aorta is one of the major arteries that carry blood from your heart to the rest of the body. Sometimes patients with high blood pressure, cholesterol plaque formation can have weakened wall of this big artery, causing it to bulge ( balloon out) like when one blow air into a balloon; if ruptured, instant death can occur. ...Read moreSee 2 more doctor answers
Ballooning : An aneurysm is diffuse or focal dilatation of an artery like the abdominal aorta of more than 1.5 times its normal size. For abdominal aortic aneurysm generally anything above 3 cm in 50-60yr old patient. They typically don't need fixed unless above 5 cm in females and 5.5 cm in males or rapidly enlarging or causing symptoms. ...Read moreSee 2 more doctor answers
Lower part: Infra renal aneurysm means it is involving the lower part of the abdominal aorta after it gives rise to the blood vessels supplying the kidneys. Infra renal aneurysms can be generally treated with a stent graft which is implanted going through the artery in the groin. It is thus possible that a major surgery involving opening the abdomen can be avoided. ...Read moreSee 2 more doctor answers
Size & location: This really depends on size of the aneurysm , the bigger one especially above 5-5.5 cm will have higher risk of rupture and death. Also location so if aneurysm involves major branches to brain or arteries to kidneys or intestinal arteries all this will make the surgical repair more risky. ...Read moreSee 1 more doctor answer
Inflammatory process: The exact mechanism for AAA formation is not known. There are several etiologies/theories. The most widely accepted is that aaas form due to an inflammatory process in the wall of the aorta associated with atherosclerosis. Inflammatory cells are thought to degrade structural proteins (such as elastin) in the wall of the aorta, weakening it and allowing for aneurysm formation. ...Read moreSee 2 more doctor answers
With twists/bends: The term "tortuous" simply means: full of twists, turns and bends. In medicine we use this to describe the pathway of veins or arteries. When either veins or arteries "grow" to become varicose veins or aneurysms, not only do they grow in diameter, but also in length. As they grow longer, they start bending and twisting to accommodate and "fit" into the same body. ...Read moreSee 2 more doctor answers
No: Trauma such as falling does not cause aaas. They typically form slowly over time due to inflammation in the wall of the aorta. Risk factors are age >65, smoking, male gender and a family history. Interestingly high speed motor vehicle accidents can cause a tear in the thoracic aorta. These are called dissections. ...Read moreSee 2 more doctor answers
Largest AAA repaired: You shouldn't think about it as, " is it too big to repair?" many anatomic details as well as a person's overall medical condition go into the decision as to if an aneurysm can be repaired. Its overall size is not a main consideration (though if its still small, they can usually be watched without repair). ...Read moreSee 1 more doctor answer
SEVERAL: If it is not tool larger, medicines to control your blood pressure will help prevent it from getting larger. However, if it is expanding rapidly or is large, then there is the danger of it rupturing, which could be fatal. Depending on the location and size, sometimes this can be repaired with a stent meaning that no incision is necessary. Otherwise, an open operation is needed. ...Read moreSee 2 more doctor answers
Rare: In general this is really a common associated symptom, as aortic aneurysm often don't have any symptoms. If they do, the symptoms tend to be abdominal and/or back pain or nerve pain radiating into the legs. In rare cases when the aneurysm extends to the iliac artery, this can compress on of the major "leg vein"(external iliac vein" which can lead to unilateral leg swelling. ...Read more
Usually none: Most of AAA have no symptoms and discovered by routine physical exams, screening ultrasound or incidental finding on ct scans. If symptomatic then usually pain in upper to mid abdomen sometimes radiating to the back or just back pain , rupture with severe pain and shock , sometimes present as clots traveling to the legs with acute pain or blue toes. Rare type is infected or inflammatory /fever. ...Read moreSee 2 more doctor answers
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