Atherosclerosis, also known as blocked coronary arteries, is the build-up of fatty deposits called plaques on the inner walls of the arteries. These plaques can affect the blood flow to the heart muscle, leading to heart diseases. A stent is a metal mesh that opens a blocked artery and reduces the risk of a heart attack Angioplasty and stenting are performed to widen the blocked artery. A preliminary research has found that stents coated with an erectile dysfunction drug may help prevent arteries from becoming narrow or blocked again.
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