Treatment

Peripheral Arterial Angiography and Angioplasty

Overview

A peripheral angiogram is a test that uses X-rays and contrast dye to help your doctor find narrowed or blocked areas in the arteries that supply blood to your legs, feet, or, your arms and hands

Why do people have this test?

The peripheral angiogram helps you and your doctor decide if a surgical procedure is needed to open blocked arteries. Peripheral angioplasty is one such procedure. It uses a balloon catheter to open the blocked artery from the inside. A small wire mesh tube called a stent is usually placed in the artery during angioplasty to help keep it open. Bypass surgery is another procedure. It re-routes blood around the blocked arteries.

What are the risks?

Serious risks from peripheral angiograms are very unlikely. Some complications may include:
  • Bruising, bleeding, or tenderness at the area the artery was entered
  • Injury or damage to an artery caused by the thin tube (catheter) that’s inserted into your artery during the test
  • Blood clot at the location of the needle puncture
  • Some people may have allergic reactions to the dye used in the test. This reaction may manifest itself with itching, rash, or breathing problems.
  • Tell your doctor if you have ever had an allergic reaction to X-ray contrast dye or iodine substances.

How do I prepare for the test?

  • You’ll get instructions about what you can eat or drink 24 hours before the test. Usually, you’ll be asked not to eat or drink anything for 6 to 8 hours before your peripheral angiogram.
  • Tell your doctor about medicines you take, including over-the-counter drugs, herbs, and vitamins. They may ask you not to take your medicines before your test. But don’t stop taking your medicines until your doctor tells you to.
  • Tell your doctor or nurse if you’re allergic to anything, especially iodine, latex, or rubber products, medicines such as penicillin, or X-ray dye.
  • Tell your doctor or nurse if you’re pregnant or have ever had any bleeding problems.
  • Leave all of your jewelry at home.
  • Arrange for someone to drive you home.

What happens during the test?

  • Before the test, a nurse will put an IV (intravenous line) into a vein in your arm so you can get medicine and fluids. You’ll be awake during the test.
  • A nurse will clean and shave the area where the doctor will be working. This is usually an artery in your groin.
  • A local anesthetic will be administered to numb the needle puncture site.
  • The doctor will make a needle puncture through your skin and into your artery, and insert a long, thin tube called a catheter into the artery. You may feel some pressure but you shouldn’t feel any pain.
  • The doctor will inject a small amount of dye into the catheter. This makes the narrowed or blocked sections of your arteries appear clearly on X-rays. The dye may cause you to feel flushed or hot for a few seconds.

What happens after the test?

  • You will go to a recovery room for a few hours.
  • To prevent bleeding, the nurse will put pressure on the puncture site for 10 to 20 minutes. Then a bandage is applied to the wound.
  • The nurse will ask you not to move the leg used for the catheter and will continue to monitor you for bleeding or swelling.
  • Before you leave, you will get written instructions about what to do at home.

What happens after I get home?

  • Drink lots of liquids to make up for what you missed while you were preparing for the angiogram and to help flush the dye from your body. For most people, this means drinking at least six glasses of water, unsweetened juice, or tea.
  • You can start eating solid food and taking your regular medicines four to six hours after your angiogram.
  • A small bruise at the puncture site is common. If you start bleeding from the puncture site, lie flat and press firmly on that spot. Ask someone to call the doctor who performed your peripheral angiogram.
  • Don’t drive for at least two days.
  • The puncture site may be tender for several days, but you can probably return to most of your normal activities the next day.
  • Increase your activity slowly to allow for the incision to heal.
  • Your doctor will get a written report of the test results to discuss with you.
Peripheral Angiography

Peripheral Angiography

A peripheral angiography scan showing a blocked artery near the knee joint.



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