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Once the aorta reaches 4.5 cm in diameter, it is classified as an aneurysm. For this reason, conventional discussions on the topic of thoracic aortic aneurysms all say something like "Enlarged ...


Before discussing about this topic of enlarged aorta, let’s tackle first the aorta’s main function in our body. Aorta is the largest artery in the heart. The function of the aorta carries oxygenated blood from the heart passing through the left ventricle, passing the chest, to the belly or abdomen and the pelvis.


The typical size of an abdominal aorta is 2.0 to 3.0 centimeters. An enlarged abdominal aorta is typically greater than 3.0 centimeters, but each patient is different. For patients requiring open surgical repair of their aorta, a large incision is made in the abdomen to expose the aorta.

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The typical size of an abdominal aorta is 2.0 to 3.0 centimeters. An enlarged abdominal aorta is typically greater than 3.0 centimeters, but each... Enlarged Aorta - Symptoms, Causes, Treatment


Surgery to remove an enlarged aorta is recommended for most people with Bicuspid Aortic Valve at 4.5 cm if they are already having valve or other heart surgery; Surgery to remove an enlarged aorta is NOT recommended if the size of the aorta is under 5.0 cm if the valve is still working well and the patient is of average height/body size.


This can occur at any point along the aorta and poses a serious health concern for an individual. An enlarged aorta is defined by its location on the blood vessel, the size of the bubble and what shape it takes. It is possible for the aorta to become enlarged in all directions or simply develop a small bulge on one side of the blood vessel.


An enlarged aorta, however, may allow blood to leak back into the heart, due to aortic valve insufficiency. This can cause shortness of breath and a pounding heartbeat. More severe aortic enlargement can further weaken the aortic wall, causing the aneurysm to enlarge or dissect.


The symptoms of an enlarged aorta include back pain, chest pain, swallowing difficulty, hoarseness, swelling, coughing, shortness of breath, sweating, dizziness and rapid pulse. An enlarged aorta leads to the formation of a bulge in the aorta referred to as an aortic aneurysm.


The size of the aortic root and ascending aorta should be evaluated annually or biannually, although more frequent studies are warranted (3–6 months) when the aorta exceeds 4.5 cm or the growth rate > 0.5 cm/yr. Patient who is newly diagnosed of TAA needs to have another imaging in 6 months to determine the growth rate.


The aorta is the largest and most important artery in the body. To care for it when something goes wrong, turn to the Aortic Program at the Heart Institute. The program’s interdisciplinary team detects and treats the full range of diseases that affect the artery, and provides access to groundbreaking surgical techniques and leading-edge ...