Diet inserting stant in heart
The balloon is deflated and pulled out along with the catheter. The stent will expand when the balloon is inflated and remains in place when the balloon is deflated and removed. When the catheter is in place, a thin wire is guided down the length of the affected coronary artery, delivering a small balloon to the affected section of artery. Coronary angioplasties are also often used as an emergency treatment after a heart attack. This widens the artery and helps restore blood flow. The combination of coronary angioplasty with stenting is usually referred to as percutaneous coronary intervention (PCI). Share this page from the NHLBI on LinkedIn. A stent is placed around the deflated balloon. Share this page from the NHLBI on Facebook. To place a stent, your doctor will make a small opening in a blood vessel in your groin (upper thigh), arm, or neck. Over time, cells in your artery grow to cover the mesh of the stent. A coronary angioplasty usually takes between 30 minutes and two hours. As the balloon inflates, it pushes the plaque against the artery wall. Add this link to the NHLBI to my browser. In older people, these arteries can become narrowed and hardened (known as atherosclerosis ), which can cause coronary heart disease. Around 75,000 procedures are performed in England each year. These movies will help your doctor position the catheter. Figure B shows the deflated balloon catheter and closed stent inserted into the narrow coronary artery. Your doctor will use special dye to help show narrow or blocked areas in the artery. This is then inflated to widen the artery, squashing fatty deposits against the artery wall so blood can flow through it more freely when the deflated balloon is removed. Through this opening, your doctor will thread a thin, flexible tube called a catheter.
He or she will then move the catheter to the area and inflate the balloon. Search the NHLBI, use the drop down list to select: the entire site, the Health Topics section only, or the News and Resources section. Share this page from the NHLBI on Tumblr. The fully extended balloon also expands the stent, pushing it into place in the artery. Send a link to NHLBI to someone by E-MAIL. Share this page from the NHLBI on MySpace. Coronary angioplasty is sometimes known as percutaneous transluminal coronary angioplasty (PTCA). Share this page from the NHLBI on Messenger. They create an inner layer that looks like the inside of a normal blood vessel. A coronary angioplasty is a procedure used to widen blocked or narrowed coronary arteries (the main blood vessels supplying the heart). Share this page from the NHLBI on Stumble. The catheter will have a deflated balloon at its tip. Your doctor will move the tip of the catheter to the narrow section of the artery or to the aneurysm or aortic tear site. Share this page from the NHLBI on Twitter. However, most modern angioplasty procedures also involve inserting a short wire-mesh tube, called a stent, into the artery during the procedure. The stent is left in place permanently to allow blood to flow more freely. Share this page from the NHLBI on Blogger. Share this page from the NHLBI on Delicious. Doctors refer to this as a minimally invasive form of treatment. Like all organs in the body, the heart needs a constant supply of blood. Figure A shows the location of the heart and coronary arteries.
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