Research Article

Antithrombotic Therapy in Patients with Acute Coronary Syndrome in the Intermountain Heart Collaborative Study

Table 4

Postdischarge AT therapyfor specific procedures and AC indications (i.e., AF with CHADS2 score ≥2 or VTE during hospitalization). The bolded cells are the suggested postdischarge AT therapy based on one or more guidelines.

ProceduresAC indicationTotal No antiplatelet Single antiplatelet Dual antiplatelet
No ACACNo ACACNo ACAC

StentNo AC indication30970.0%0.0%1.0%0.1%95.1%3.8%
AF with CHADS2 ≥22980.7%0.3%0.7%0.7%70.8%26.8%
VTE during hospitalization370.0%0.0%5.4%5.4%43.2%46.0%

CABGNo AC indication4060.5%0.3%85.0%6.7%7.1%0.5%
AF with CHADS2 ≥21031.0%1.9%58.3%21.4%17.5%0.0%
VTE during hospitalization160.0%0.0%31.3%56.3%12.5%0.0%

PCI No StentNo AC indication2501.2%0.0%18.0%2.8%74.8%3.2%
AF with CHADS2 ≥2313.2%6.5%29.0%12.9%25.8%22.6%
VTE during hospitalization60.0%0.0%16.7%50.0%0.0%33.3%

Note: AT: antithrombotic treatment; AC: anticoagulant; VTE: vascular thrombus event; AF: atrial fibrillation; PCI: percutaneous coronary intervention; CABG: coronary artery bypass graph.