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[Comment] 12 months of DAPT after acute coronary syndrome still beats 6 months

Why does the topic of optimal duration of dual antiplatelet therapy (DAPT) after an acute coronary syndrome treated by coronary stenting continue to generate such intense interest? We have sufficient evidence that acute coronary syndrome is caused by atherothrombosis. We also know that coronary stenting leads to further atherosclerotic plaque disruption, triggering thrombosis. Data from large registries have confirmed that the risk of recurrent myocardial infarction persists in the long term. Results of multiple trials have shown that DAPT reduces this risk.