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Aortic angiography

Aortic angiography is a procedure that uses a special dye and x-rays to see how blood flows through the aorta, the major artery leading out of the heart, and through your abdomen or belly.

Angiography is an imaging test that uses x-rays and a special dye to see inside the arteries. Arteries are blood vessels that carry blood away from the heart.

Alternative Names

Angiography - aorta; Aortography; Abdominal aorta angiogram; Aortic arteriogram

How the Test is Performed

This test is done in a special unit of the hospital. Before the test starts, you will be given a mild sedative to help you relax.

  • An area of your body, usually in your arm or groin area, is cleaned and numbed with a local numbing medicine (anesthetic).
  • A radiologist or cardiologist will place a needle into the groin blood vessel. A guidewire and a long tube (catheter) will be passed through this needle.
  • The catheter is carefully moved into the aorta. The doctor can see live images of the aorta on a TV-like monitor, and x-rays are used to guide the catheter to the correct position.
  • Once the catheter is in place, dye is injected into it. X-ray images are taken to see how the dye moves through the aorta. The dye helps detect any blockages in blood flow.

After the x-rays or treatments are finished, the catheter is removed. Pressure is immediately applied to the puncture site for 20 - 45 minutes to stop the bleeding. After that time, the area is checked and a tight bandage is applied. The leg is usually kept straight for another 6 hours after the procedure.

How to Prepare for the Test

You will be asked not to eat or drink anything for 6-8 hours before the test.

You will be asked to wear a hospital gown and sign a consent form for the procedure. Remove jewelry from the area being studied.

Tell your health care provider:

  • If you are pregnant
  • If you have ever had any allergic reactions to x-ray contrast material or iodine substances
  • If you are allergic to any medications
  • Which medications you are taking (including any herbal preparations)
  • If you have ever had any bleeding problems

How the Test will Feel

You will be awake during the test. You may feel a sting as the numbing medicine is given and some pressure as the catheter is inserted. You may feel a warm flushing when the contrast dye flows through the catheter. This is normal and usually goes away within a few seconds.

You may have some discomfort from lying on the hospital table and staying still for a long time.

Generally, you can resume normal activity the day after the procedure.

Why the Test is Performed

Your doctor may order this test if there are signs or symptoms of a problem with the aorta or its branches, including:

What Abnormal Results Mean

Abnormal results may be due to:

Risks

Risks of aortic angiography include:

  • Allergic reaction to the contrast dye
  • Blockage of the artery
  • Blood clot that travels to the lungs
  • Bruising at the site of catheter insertion
  • Damage to the blood vessel where the needle and catheter are inserted
  • Excessive bleeding or a blood clot where the catheter is inserted, which can reduce blood flow to the leg
  • Heart attack or stroke
  • Hematoma -- a collection of blood at the site of the needle puncture
  • Infection
  • Injury to the nerves at the needle puncture site
  • Kidney damage from the dye

Considerations

This procedure may be combined with left heart catheterization to look for coronary artery disease.

Aortic angiography has been mostly replaced by computed tomography (CT) or magnetic resonance (MR) angiography.

References

Jackson JE, Allison DJ, Meaney J. Angiography: Principles, techniques (including CTA and MRA) and complications. In: Grainger Rc, Allison D, Dixon AK, eds. Diagnostic Radiology: A Textbook of Medical Imaging. 5th ed. New York, NY: Churchill Livingstone; 2008:chap 6.

Nicholson T, Patel J. The Aorta. In: Grainger RC, Allison D, Adam, Dixon AK, eds. Diagnostic Radiology: A Textbook of Medical Imaging. 5th ed. New York, NY: Churchill Livingstone; 2008:chap 27.

Updated: 12/10/2012

Javed Qureshi, MD, Diplomate, American Board of Radiology, Victoria Radiology Associates, Victoria, TX. Review provided by VeriMed Healthcare Network.


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