A stent is a small metal mesh tube that acts as a scaffold to provide support inside your coronary artery. A balloon catheter, placed over a guide wire, is used to insert the stent into the narrowed coronary artery. Once in place, the alloon tip is inflated and the stent expands to the size of the artery and holds it open. The balloon is then deflated and removed while the stent stays in place permanently. Over a several-week period, your artery heals around the stent. Stents are commonly placed during interventional procedures such as angioplasty to help keep the coronary artery open. Some stents contain medicine and are designed to reduce the risk of reblockage (restenosis). The interventional cardiologist will determine if this type of stent is appropriate for your type of blockage.
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