Introduction: Atrial fibrillation (AF) may co-exist in patients with non-ST-elevation myocardial infarction (NSTEMI). In patients with NSTEMI, AF should therefore be regarded as an important risk factor irrespective of its presentation. To predict outcomes in AF patients presenting with NSTEMI, early risk stratification can help to identify the patients with a possible poor long-term prognosis. The development of the PRECISE-DAPT score aimed to predict the risk of bleeding in patients who underwent stent implantation and received dual antiplatelet therapy (DAPT) following percutaneous coronary intervention (PCI), providing a valuable tool for assessing bleeding risk in this specific patient population.
Aim: To assess the performance of the PRECISE-DAPT score in predicting long-term prognosis in AF patients with NSTEMI.
Material and methods: Five hundred and twenty-six consecutive AF patients presenting with NSTEMI were included in the present study. The PRECISE-DAPT score was calculated in each case and evaluated for the association of increased mortality in the study population, who survived in-hospital but died in the long term.
Results: All-cause mortality deaths occurred in 278 (52.6%) patients. Higher PRECISE-DAPT score, shorter duration of P2Y12 inhibitor therapy, decreased left ventricular ejection fraction (LVEF), and a history of diabetes mellitus (DM) were all associated with an increased risk of all-cause mortality in the multivariable logistic regression model.
Conclusions: High PRECISE-DAPT score was associated with higher long-term all-cause mortality in AF patients presenting with NSTEMI.
Keywords: PRECISE-DAPT score; atrial fibrillation; myocardial infarction.
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