The majority of aortic aneurysms occur as part of the aorta in the abdomen. Although the exact cause of abdominal aortic aneurysm is unknown, a number of factors may play a role, including:
Tobacco use. Smoking and other tobacco use appear to increase the risk of abdominal aortic aneurysm. In addition, the harmful effects that smoking directly causes the arteries, smoking affects the accumulation of fatty plaques in arteries (atherosclerosis) and high blood pressure. Smoking can also cause aneurysms to grow faster than further damage to the aorta.
High blood pressure. High blood pressure, especially if poorly controlled, increases the risk of developing an aortic aneurysm. This is due to high blood pressure can damage and weaken the arteries.
Infection of the aorta (vasculitis). In rare cases, aortic be caused by an infection or inflammation that weakens a part of the wall of the aorta.
Aneurysm can develop anywhere in the aorta, the aorta, but when they appear at the top, they are called thoracic aortic aneurysms. More generally, the aneurysm in the shape of the lower part of the aorta, and are called abdominal aortic aneurysm. Rarely, an aneurysm can occur between the upper and lower portions of the aorta. This type of aneurysm called a thoracoabdominal aneurysm.
Tobacco use. Smoking and other tobacco use appear to increase the risk of abdominal aortic aneurysm. In addition, the harmful effects that smoking directly causes the arteries, smoking affects the accumulation of fatty plaques in arteries (atherosclerosis) and high blood pressure. Smoking can also cause aneurysms to grow faster than further damage to the aorta.
High blood pressure. High blood pressure, especially if poorly controlled, increases the risk of developing an aortic aneurysm. This is due to high blood pressure can damage and weaken the arteries.
Infection of the aorta (vasculitis). In rare cases, aortic be caused by an infection or inflammation that weakens a part of the wall of the aorta.
Aneurysm can develop anywhere in the aorta, the aorta, but when they appear at the top, they are called thoracic aortic aneurysms. More generally, the aneurysm in the shape of the lower part of the aorta, and are called abdominal aortic aneurysm. Rarely, an aneurysm can occur between the upper and lower portions of the aorta. This type of aneurysm called a thoracoabdominal aneurysm.
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