- Mon Nov 13, 2017 2:24 pm
Stents will last forever if they are made of some sort of metal as most are.
(From: Scrutiny of Stent Problems Turns to Doctors, WSJ, May 29, 2007)
Therefore the question is not about stent durability, but about keeping the coronary artery opened up in the location where it was deployed. Because a stent destroys the artery locally, there will be scar tissue that rapidly grows over the stent. In addition, there is a strong tendency for clots to form at the site where the stent damages the arterial wall. Since platelets are involved in the clotting process, patients must take anti-platelet therapy afterwards, usually clopidogrel (Plavix) for six months and aspirin indefinitely.
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