Stent VideoSTENT VIDEO * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
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* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * Stent Video What Is a Stent? A stent is a small mesh tube that’s used to treat narrowed or weakened arteries in the body. You may have a stent placed in an artery as part of a procedure called angioplasty. Angioplasty can restore blood flow through narrowed or blocked arteries. Stents help prevent arteries from becoming narrowed or blocked again in the months or years after treatment with angioplasty.
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You may also have a stent placed in a weakened artery to improve blood flow and to help prevent the artery from bursting. Stents are usually made of metal mesh, but sometimes they’re made of fabric. Fabric stents, also called stent grafts, are used in larger arteries. Some stents are coated with medicines that are slowly and continuously released into the artery. These medicines help prevent the artery from becoming blocked again.
How Are Stents Used? Stents for Arteries in the Heart With age and some health conditions, the inside openings of the coronary arteries (arteries of the heart) tend to narrow due to deposits of a fatty substance called plaque. High cholesterol, diabetes, and smoking can cause the arteries to narrow. This narrowing of the coronary arteries can cause angina (chest pain) or lead to heart attack.
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During angioplasty, doctors use an expanding balloon inside the artery to compress the plaque and widen the passageway. The result is improved blood flow to the heart and a decreased chance of heart attack.
(Wide range of rehabilitation products at Elite Fitness Equipment Click Here!) Unless an artery is too small, doctors usually place a stent in the treated portion of the artery during angioplasty. The stent supports the inner artery wall and reduces the chance of the artery closing up again. A stent also can keep an artery open that was torn or injured during angioplasty. When stents are placed in coronary arteries, there's a 1 in 5 chance that the arteries will close in the first 6 months after angioplasty. When stents aren't used, the risk of the arteries closing can be twice as high.
To place a stent, your doctor makes a small opening in a blood vessel in your groin (upper thigh), arm, or neck. Through this opening, a flexible, plastic tube (catheter) with a collapsed balloon and stent on the end is threaded up to the area of the artery that needs treatment. The balloon is then expanded, which widens the narrowed artery and pushes the stent into place. The following stent video clip clearly shows how and when a stent is used. To begin viewing click on the arrow in the center of the screen.
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The placement of a stent only takes a few hours. You may have to stay in the hospital for up to 3 days, depending on which artery was treated. You may feel some pain when the balloon is expanded to push a stent into place. To prevent blood clots, you will probably take blood-thinning medicines for at least a few months after having a stent placed. Vigorous exercise and heavy lifting should be avoided for a short time after a stent procedure. Your doctor will discuss with you when you can resume normal activities. Developing a blood clot at the stent site is the main risk of having a stent. Blood clots can cause heart attack, stroke, and other serious problems. This risk is greatest during the first few months after the stent is placed in the artery. Taking blood-thinning or anticlotting medicines can decrease the risk for a blood clot. There also are risks related to angioplasty and to the placement of the stent.
Patients with drug-releasing stents are usually advised to take aspirin and an anticlotting drug, such as clopidogrel, for months to years to lower the risk of blood clots. P.S.
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