Thoracoabdominal Aortic Aneurysm

A thoracoabdominal aortic aneurysm (TAAA) is a type of aortic aneurysm, a condition in which the wall of the aorta, the largest blood vessel in the body, weakens and bulges. In a TAAA, the aneurysm extends into both the chest (thoracic) and abdominal regions of the aorta. If left untreated, a TAAA can be life-threatening due to the risk of rupture.

Symptoms

A thoracoabdominal aortic aneurysm (TAAA) may not cause any symptoms in its early stages. As it grows larger, it can cause the following symptoms:

  • Chest or back pain
  • Abdominal pain
  • Pulsating sensations in the abdomen: Some people may feel a pulsating or throbbing sensation in the abdomen caused by the blood flowing through the aneurysm.
  • Shortness of breath: In advanced cases, a TAAA can compress the lung and cause shortness of breath.
  • Weakness or numbness in the legs: If the TAAA is compressing the spinal cord, it can cause weakness or numbness in the legs.

It is important to note that symptoms of a TAAA may be similar to those of other medical conditions. If you experience any of these symptoms, see your doctor for proper evaluation and diagnosis.

Causes

The exact cause of a thoracoabdominal aortic aneurysm (TAAA) is not well understood, but there are several factors that may contribute to its development, including:

  • Aging
  • Genetics: A family history of aortic aneurysms can increase the risk of developing a TAAA
  • High blood pressure, which can cause damage to the wall of the aorta
  • Smoking
  • Atherosclerosis: The build-up of plaque in the blood vessels can weaken the wall of the aorta, increasing the risk of an aneurysm
  • Previous aortic surgery
  • Certain medical conditions, such as Marfan syndrome and bicuspid aortic valve disease, can increase the risk of developing a TAAA

It is important to note that having one or more of these risk factors does not necessarily mean a person will develop a TAAA. Additionally, some people may develop a TAAA without having any known risk factors.

Diagnosis

Diagnosis of a thoracoabdominal aortic aneurysm (TAAA) may involve the following imaging tests:

  • Computed tomography (CT) scan which uses X-rays and computer technology to produce detailed images of the aorta and other internal organs.
  • Magnetic resonance imaging (MRI) scan which uses a strong magnetic field, radio waves, and computer technology to produce detailed images of the aorta.
  • Ultrasound which uses high-frequency sound waves to produce images of the aorta

Treatment Options

Learn about the treatment options below:

Make an Appointment

To schedule an appointment to discuss a thoracoabdominal aortic aneurysm or any other cardiovascular condition, call us at 888-287-1082 or visit our Make a Cardiovascular Appointment page, where you may view other information about scheduling a cardiovascular appointment.