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Stents are used in most angioplasties. Two types are used:
Bare Metal Stents(or uncoated stents), and Drug-Eluting Stents (also called coated stents).
Bare Metal Stents have been available for many years and are the most commonly used. Drug-Eluting Stents are coated with a drug which reduces the risk of the artery becoming narrow again after the angioplasty. However, there is a slightly greater risk of clots forming with this type of stent. So, if you have a drug-eluting stent, you will have to take clopidogrel for longer. more.