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Abdominal Aortic Aneurysm

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Science
Subject:
Human Anatomy
Grade:
8,9,10,11,12

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Abdominal Aortic Aneurysm

Disea e

Abdominal Aortic Aneurysm

An abdominal aortic aneurysm is an enlarged area in the lower part of the aorta. This happens when the wall of a blood vessel weakens and a dilation occurs. The incidence of AAA varies with age; in ages 65-74 the incidence is 55 per 100,000; in ages 75-85 the incidence increases to 112 per 100,000; all ages over 85 the incidence is 298 per 100,000.

People who are at greater risk for this disease include males of advanced age, Caucasian race, positive family history, smoking, and history of other large vessel aneurysms. The exact cause of AAA is unknown, but there are a few factors including tobbacco use, hardening of arteries, high blood pressure, blood vessel diseases in the aorta, infection in the aorta, trauma, and heredity.

Treatments depend on the severity of the aneurysm. If it's less than 5 cm in diameter, daily exercise, blood pressure regulation, and quitting smoking are treatments due to the low risk of rupturing. If the aneurysm is more than 5 cm in diameter, a vascular surgeon can assess the aortic artery through an abdominal incision. An alternative, less invasive treatment is making two groin incisions and inserting a tiny device into the artery.

Some symptoms include a pulsating feeling near the navel, a deep constant pain in the abdomen or on the side of the abdomen, and back pain.

Some ways to prevent AAA are to follow a healthy, low-sodium diet, maintaining a healthy weight, getting regular exercise, regulating blood pressure and cholesterol regularly, and quitting smoking.

CAUSES

WHAT IS IT?

TREATMENT

Citations

SYMPTOMS

PREVENTION

“Abdominal Aortic Aneurysm.” Harvard Health, Harvard Health Publishing, Web. 23 Jan 2018.“Abdominal Aortic Aneurysm.” Mayo Clinic, Mayo Foundation for Medical Education and Research, 28 Dec. 2017, Web. 22 Jan 2018.“Abdominal Aortic Aneurysm.” MedlinePlus Medical Encyclopedia, Web. 22 Jan 2018.“Abdominal Aortic Aneurysm.” SVS, Web. 22 Jan 2018.Collins, Caroline Ana. “Abdominal Aortic Aneurysms: The New Treatment Option.” Coastal Surgery Specialists - Abdominal Aortic Aneurysms - The New Treatment Option, web. 23 Jan 2018. 23 Jan 2018.Chung, Jayer. “Epidemiology, Risk Factors, Pathogenesis, and Natural History of Abdominal Aortic Aneurysm.” UpToDate, Web.


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