What is an abdominal aortic aneurysm?

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An abdominal aortic aneurysm is an engorged site in the inferior section of the aorta. As the main provider of blood, it is considered dangerous if an abdominal aortic aneurysm ruptures.

Depending on the size and growth rate, the treatment might range from close monitoring to emergency surgery.

If an abdominal aortic aneurysm is detected, the doctor will carefully monitor it, so surgery can be planned if needed. It is important to note that emergency surgery for a ruptured aneurysm is considered risky.

What are the signs?

An abdominal aortic aneurysm often grows in a slow manner and there are no symptoms which makes it hard to detect. Some aneurysm will not rupture.

abdominal aortic aneurysm
Deep, persistent abdominal pain or on the side of the abdomen.

Most start small and remain small but might expand over time. Others might grow rapidly.

Once the aneurysm grows big, some might notice:

  • Back pain
  • Pulsating sensation near the navel
  • Deep, persistent abdominal pain or on the side of the abdomen

If any of these signs are present such as abrupt back or abdominal pain, seek medical care right away.

What are the usual causes?

In most cases, an abdominal aortic aneurysm occurs in the region of the aorta in the abdomen. Even though the precise cause is unknown, various factors might play a role such as:

  • High blood pressure
  • Tobacco use
  • Atherosclerosis
  • Blood vessel diseases
  • Heredity
  • Trauma
  • Infection in the aorta

Management of an abdominal aortic aneurysm

The objective of treatment for an abdominal aortic aneurysm is to prevent it from rupturing. Essentially, the treatment options involve monitoring or surgery. The decision of the doctor is based on the size of the aneurysm and rate of growth.

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