Mesenteric arteriography

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Mesenteric arteriography

Definition:

Mesenteric arteriography is a type of X-ray examination that looks at the vessels that provide blood to the organs of the abdomen (including the small and large bowel).

Alternative Names:

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Abdominal arteriogram; Arteriogram - abdomen

How the test is performed:

This test is done in a hospital. You will be asked to lie on an X-ray table. The groin area is cleansed, a local anesthetic is given, and a needle is inserted into the artery. The catheter (a long, narrow, flexible tube) is inserted through the needle and into the artery. It is then threaded through the main vessels of the abdomen and chest until it is properly placed into a mesenteric artery.

This procedure is monitored by a fluoroscope (an X-ray machine that projects the images on a TV monitor). The contrast medium is then injected into the vessels via the catheter, and the X-ray pictures are taken.

The catheter is kept open by flushing it periodically with a saline solution containing a drug called heparin, which will keep the blood in the catheter from clotting. Your pulse, blood pressure, and breathing are monitored during the procedure. After the X-rays are taken, the needle and catheter are withdrawn.

Pressure is immediately applied to the puncture site for 10-15 minutes to stop the bleeding. After that time the area is checked and a tight bandage is applied. The leg should be kept straight for an additional 4 hours after the procedure.

How to prepare for the test:

Your food and fluids will be restricted 8 hours before the test is done. Inform the health care provider if you are pregnant and if you have any bleeding problems. Report any allergic reactions to X-ray contrast material or iodine substance and any other allergic reactions you have had.

You must sign an informed consent form. You will be given a hospital gown to wear and asked to remove all jewelry. You may be given a sedative or pain pill before the procedure.

For infants and children:

The preparation you can provide for this test depends on your child's age and experience. For specific information regarding how you can prepare your child, see the following topics: