Drug coated vs. Bare Metal Stents: Which One Better for Diabetes or Blocked Coronary Arteries (Risk of Heart Attacks)

Drug coated vs. Bare metal stents: which one better for diabetes or blocked coro

Stents have been used for many years to clear blockages in the arteries of the heart and neck. But the arteries in the brain present a very different challenge because they are more fragile and have many more curves, making it harder to get the stent to the site of the blockage. Physicians use a minimally invasive technique to deploy the stent inside the brain.


A coronary stent is stainless tube with slots. It is mounted on a balloon catheter in a "crimped" or collapsed state. When the balloon of is inflated, the stent expands or opens up and pushes itself against the inner wall of the coronary artery. This holds the artery open when the balloon is deflated and removed. Coronary artery stents were designed to overcome some of the short comings of angioplasty.

Angioplasty is a technique that is used to dilate an area of arterial blockage with the help of a catheter with an inflatable, small, sausage-shaped balloon at its tip. It helps to keep arteries open after balloon angioplasty. The stent then allows the normal flow of blood and oxygen to the heart.

There are two basic kinds of stents: bare-metal stents and drug-eluting stents:

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