Background: Ticagrelor or prasugrel are recommended to reduce ischemic events in patients with acute myocardial infarction (AMI) undergoing percutaneous coronary intervention (PCI). However, in clinical practice, patients are often switched from a potent P2Y12 inhibitor to clopidogrel prior to or at discharge ('de-escalation'). We sought to assess the incidence and predictors of de-escalation.
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