Abstract
Antiplatelet and anticoagulant drugs work at different places in the coagulation system.
Antiplatelet drugs are usually indicated in patients with atherosclerosis. Anticoagulant
drugs are mostly used in patients with atrial fibrillation, venous thromboembolism,
or technical heart valves. In some clinical situations, combination of antiplatelet
and anticoagulant therapy can be indicated. The most recent situations are a more
intensive antithrombotic therapy for risk reduction in patients with atherosclerosis
and temporary addition of antiplatelet drugs in patients with indication for long-term
anticoagulation. Temporary combination of antiplatelet and anticoagulant drugs is
usually necessary after coronary intervention in patients with atrial fibrillation.
In patients with high-risk atherosclerosis, the combination of low-dose rivaroxaban
and aspirin reduces major adverse cardiovascular events (myocardial infarction, stroke,
cardiovascular death) and major adverse limb events. But every combination of antiplatelet
and antithrombotic drugs can increase bleeding risk. Therefore, a careful assessment
of thrombotic versus bleeding risk is necessary for each patient.
Keywords
antiplatelet drugs - anticoagulant drugs - bleeding risk - thrombotic risk - prognosis