Dual antiplatelet therapy, combining aspirin with a platelet P2Y12 receptor inhibitor, is the standard treatment for acute coronary syndrome patients undergoing percutaneous coronary intervention. The optimal type and duration of dual antiplatelet therapy depend on the patient's risk for ischemic and hemorrhagic complications. De-escalation strategies, such as switching to a less potent P2Y12 inhibitor, reducing the dose, or discontinuing one of the antiplatelet agents, may be suitable for high-risk bleeding patients with low risk of recurrent ischemic events, and platelet function testing and genetic testing can guide de-escalation. For patients at high ischemic risk, strategies include drug switching, dose escalation, or adding a new drug. Patients at high ischemic and hemorrhagic risk require individualized treatment decisions and trade-off considerations.
Keywords: Aspirin; Dual antiplatelet therapy; P2Y(12) receptor inhibitor; Trade-off.
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