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Updated: Apr 25, 2026

Interventional Diagnostic Procedure: A Practical Guide for the Assessment of Coronary Vascular Function
Published on: March 15, 2022
[Treatment of anti-thrombotic therapy in coronary artery disease]
Insights
Dual antiplatelet therapy (DAPT) reduces coronary events but increases bleeding risk. New anti-thrombotic strategies, including novel oral anticoagulants (NOACs), are being explored for coronary artery disease patients.
Area of Science:
- Cardiology
- Pharmacology
- Thrombosis Research
Background:
- Anti-platelet therapy, including dual antiplatelet therapy (DAPT) with aspirin and clopidogrel, is standard for coronary artery disease (CAD) and post-stenting.
- Drug-eluting stents (DES) reduce restenosis but are linked to increased long-term stent thrombosis, potentially due to CYP2C19 polymorphisms affecting clopidogrel efficacy.
- Long-term DAPT is necessary to prevent stent thrombosis but can cause bleeding complications.
Purpose of the Study:
- To review the evolution of anti-thrombotic treatments for CAD patients.
- To discuss current and emerging therapeutic strategies.
- To explore the potential role of novel oral anticoagulants (NOACs) in CAD management.
Main Methods:
- Review of existing literature on anti-thrombotic therapies in CAD.
- Discussion of clinical trial data regarding new anti-platelet agents and NOACs.
- Analysis of the benefits and risks associated with different anti-thrombotic regimens.
Main Results:
- DAPT effectively reduces major adverse cardiovascular events in CAD patients.
- Stent thrombosis remains a concern with DES, prompting research into alternative anti-platelet strategies.
- NOACs are established for stroke prevention in atrial fibrillation and are under investigation for CAD.
Conclusions:
- Anti-thrombotic treatment for CAD has advanced significantly, with ongoing research into safer and more effective options.
- Balancing the prevention of thrombotic events against bleeding risk is crucial in managing CAD.
- Novel anticoagulants and anti-platelet agents represent the future direction for anti-thrombotic therapy in CAD.
Abstract:
Anti-platelet therapy is well known to reduce coronary events such as mortality, myocardial infarction and improving the prognosis in patients with coronary artery disease. In addition, dual antiplatelet therapy(DAPT) using aspirin and thienopyridine (usually clopidogrel) is a standard regimen after stenting as one of the standard therapy of revascularization. Recently, drug eluting stents (DES) were developed for preventing restenosis after bare metal stent; however, stent thrombosis after DES has been increasing for long-term period. Polymorphism of CYP2C19 affecting clopidogrel activity might be one cause of such problems. New anti-platelet drugs have been developed to overcome this point. For preventing stent thrombosis, long-term DAPT is necessary right now and lead the occasional bleeding complications. On the other hands, novel oral anti-coagulant drugs have been used for the stroke prevention in patient with atrial fibrillation instead of antivitamin K drug. Several clinical trials are now ongoing to investigate the utility of NOAC in patients with coronary artery disease. In this review, anti-thrombotic treatment for the patients with coronary artery disease from the past to the future is discussed.
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