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Angioplasty(also called percutaneous transluminal angioplasty, or PTA) is a procedure in which a thin, flexible tube called a catheter is inserted through an artery and guided to the place where the artery is narrowed.
When the tube reaches the narrowed artery, a small balloon at the end of the tube inflates for a short time. The pressure from the inflated balloon presses the fat and calcium (plaque) against the wall of the artery to improve blood flow.
In angioplasty of the aorta (the major abdominal artery) or the iliac arteries (which branch off from the aorta), a small, expandable tube called a stent is usually put in place at the same time. Reclosure (restenosis) of the artery is less likely to occur if a stent is used. Stents are less commonly used in angioplasty of smaller leg arteries like the femoral, popliteal, or tibial arteries, because they are subject to trauma and damage in these locations.
After the procedure, pressure will be applied to the area where the catheter was put into your blood vessel. Then the area may be covered with a bandage or a compression device. This will prevent bleeding. Nurses will check your heart rate and blood pressure. The nurse will also check the catheter site for bleeding.
You will need to lie still and keep your leg straight for several hours. The nurse may put a weighted bag on your leg to keep it still.
You may have to stay overnight in the hospital. After you leave the hospital, you can most likely return to normal activities. You may have a bruise or a small lump where the catheter was put in your blood vessel. This is normal and will go away.
This procedure is commonly used to open narrowed arteries that supply blood flow to the heart. It may be used on short sections of narrowed arteries in people who have peripheral arterial disease(PAD).footnote 1, footnote 2
Angioplasty can restore blood flow and relieve intermittent claudication.footnote 1, footnote 2 Angioplasty may help you walk farther without leg pain than you did before the procedure.footnote 3
How well angioplasty works depends on the size of the blood vessel, the length of blood vessel affected, and whether the blood vessel is completely blocked.
In general, angioplasty works best in the following types of arteries:
Complications related to the catheter include:
Serious complications are rare. These complications may include:
There is always a slight risk of damage to cells or tissues from being exposed to any radiation, including the low levels of X-ray used for this test. But the risk of damage from the X-rays is usually very low compared with the potential benefits of the test.
In some cases, bypass surgery may be the best treatment choice. This treatment choice depends on your risks with the procedure, the size of the arteries, and the number and length of the blockages or narrowing in the arteries.
Your doctor may recommend that you try an exercise program and medicine before he or she recommends that you have angioplasty.
Gerhard-Herman MD, et al. (2016). 2016 AHA/ACC guideline on the management of patients with lower extremity peripheral artery disease. Circulation, published online November 13, 2016. DOI: 10.1161/CIR.0000000000000471. Accessed November 25, 2016. Conte MS, et al. (2015). Society for Vascular Surgery practice guidelines for atherosclerotic occlusive disease of the lower extremities: Management of asymptomatic disease and claudication. Journal of Vascular Surgery, 61(3S): 2S-41S. DOI: 10.1016/j.jvs.2014.12.009. Accessed November 25, 2016. Cassar K (2011). Peripheral arterial disease, search date May 2010. Online version of BMJ Clinical Evidence: http://www.clinicalevidence.com.
Other Works Consulted
Conte M , et al. (2015). Society for Vascular Surgery practice guidelines for atherosclerotic occlusive disease of the lower extremities: Management of asymptomatic disease and claudication. Journal of Vascular Surgery, 61(3S): 2S-41S. DOI: 10.1016/j.jvs.2014.12.009. Accessed November 25, 2016. Fuad Jan, M, et al. (2011). Minimally invasive treatment of peripheral vascular disease. In V Fuster et al., eds., Hurst's The Heart, 13th ed., vol. 2, pp. 2355-2385. New York: McGraw-Hill. Gerhard-Herman MD, et al. (2016). 2016 AHA/ACC guideline on the management of patients with lower extremity peripheral artery disease. Circulation, published online November 13, 2016. DOI: 10.1161/CIR.0000000000000471 . Accessed November 25, 2016. Kinlay S, Bhatt DL (2015). Treatment of noncoronary obstructive vascular disease. In DL Mann et al., eds., Braunwald's Heart Disease: A Textbook of Cardiovascular Medicine, 10th ed., vol. 2, pp. 1347-1364. Philadelphia: Saunders.
ByHealthwise Staff Primary Medical Reviewer Rakesh K. Pai, MD - Cardiology, Electrophysiology E. Gregory Thompson, MD - Internal Medicine Martin J. Gabica, MD - Family Medicine Adam Husney, MD - Family Medicine David A. Szalay, MD - Vascular Surgery
Current as ofDecember 6, 2017
Current as of:
December 6, 2017
Rakesh K. Pai, MD - Cardiology, Electrophysiology & E. Gregory Thompson, MD - Internal Medicine & Martin J. Gabica, MD - Family Medicine & Adam Husney, MD - Family Medicine & David A. Szalay, MD - Vascular Surgery
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