How long should Plavix/Clopidogrel be used for bare metal stents?

How long should Plavix/Clopidogrel be used for bare metal stents?

• A. 6 months
• B. 18 months
• C. 30 days to 12 months
• D. 24 hours

Answer: (C)

The main idea here is how long to keep dual antiplatelet therapy after placing a bare-metal stent. Bare-metal stents rely on rapid endothelial healing, so you want enough antiplatelet protection to prevent stent thrombosis during that vulnerable period, but not so long that bleeding risks outweigh benefits. Endothelialization typically completes within about a month, which is why the minimum duration is around 30 days. At the same time, if the patient’s bleeding risk is acceptable and the ischemic risk is higher, continuing clopidogrel up to about a year helps further reduce thrombosis risk. Drug-eluting stents, by contrast, usually require longer DAPT, but for bare-metal stents the commonly recommended range is roughly 30 days to 12 months. So the best fit is a course from 30 days to 12 months. Shorter than that (like 24 hours) would be unsafe, and longer fixed durations such as 6 months or 18 months exceed typical guidelines for bare-metal stents.

The main idea here is how long to keep dual antiplatelet therapy after placing a bare-metal stent. Bare-metal stents rely on rapid endothelial healing, so you want enough antiplatelet protection to prevent stent thrombosis during that vulnerable period, but not so long that bleeding risks outweigh benefits. Endothelialization typically completes within about a month, which is why the minimum duration is around 30 days. At the same time, if the patient’s bleeding risk is acceptable and the ischemic risk is higher, continuing clopidogrel up to about a year helps further reduce thrombosis risk. Drug-eluting stents, by contrast, usually require longer DAPT, but for bare-metal stents the commonly recommended range is roughly 30 days to 12 months. So the best fit is a course from 30 days to 12 months. Shorter than that (like 24 hours) would be unsafe, and longer fixed durations such as 6 months or 18 months exceed typical guidelines for bare-metal stents.