A Drug-Eluting Stent

Drug-Eluting Stents (DES) are coated with one or more medications that are released in the body post-implantation.

The purpose of the medication is to prevent excessive growth of scar tissue in the artery lining.

This enables the artery to remain smooth and patent, ensuring full-fledged blood flow while reducing the chances of artery constriction and restenosis.

It should be considered, however, that using a DES increases the probability of blood clot appearance (stent thrombosis).

How can the risk of stent thrombosis be reduced?

As the healing process is relatively slow, patients with implanted drug-eluting stents should strictly follow their physician’s recommendations regarding dual anti-platelet therapy (DAT) to reduce the risk of stent thrombosis.

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A minimum therapy mentioned above is recommended for at least 12 months after the implantation of a DES.

While all types of stents use the same common components, they differ in design, the polymer used and the type of anti-restenotic drugs. Also, certain differences may exist in terms of availability (the ease of placement), efficacy (restenosis prevention) and risk (the incidence of stent thrombosis and myocardial infarction).

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