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Published on: February 28, 2012
Risk of bleeding related to antithrombotic treatment in cardiovascular disease
Rikke Sørensen1, Jonas B Olesen, Mette Charlot
1Department of Cardiology, Copenhagen University Hospital Gentofte, Niels Andersens Vej 65, 2900 Hellerup, Denmark. rs@heart.dk.
Insights
Antithrombotic therapy is crucial for cardiovascular disease, but bleeding is a major risk. This review details bleeding risks with various drug combinations for conditions like acute coronary syndrome and atrial fibrillation.
Area of Science:
- Cardiology
- Pharmacology
Background:
- Antithrombotic therapy is essential for cardiovascular disease (CVD) management.
- Bleeding is the most significant complication associated with antithrombotic treatments.
- Understanding bleeding risks across different antithrombotic drug combinations is critical.
Purpose of the Study:
- To review and compare bleeding risks associated with various antithrombotic drug combinations.
- To evaluate risk assessment schemes and bleeding definitions in cardiovascular disease.
- To provide guidance on antithrombotic therapy selection for specific cardiovascular conditions.
Main Methods:
- Literature review of antithrombotic therapy in acute coronary syndrome (ACS), atrial fibrillation (AF), cerebrovascular disease (CVD), and peripheral arterial disease (PAD).
- Comparison of different bleeding risk assessment tools, including HAS-BLED score.
- Analysis of current guidelines for dual antiplatelet therapy (DAPT) and anticoagulation.
Main Results:
- The HAS-BLED score is recommended for AF and ACS patients with AF.
- Dual antiplatelet therapy (P2Y12 inhibitor and aspirin) is recommended for 12 months in ACS patients, preferably with prasugrel or ticagrelor.
- Warfarin is recommended for moderate-to-high stroke risk in AF, with newer agents emerging.
- Clopidogrel is recommended for secondary prevention in CVD; aspirin or clopidogrel for PAD.
Conclusions:
- Individualized antithrombotic therapy is warranted, balancing thromboembolic risk and bleeding.
- Emerging antithrombotic drugs and regimens require careful consideration for optimal patient management.
- Future focus should be on tailoring therapy to minimize bleeding while maximizing efficacy.
Abstract:
Antithrombotic therapy is a cornerstone of treatment in patients with cardiovascular disease with bleeding being the most feared complication. This review describes the risk of bleeding related to different combinations of antithrombotic drugs used for cardiovascular disease: acute coronary syndrome (ACS), atrial fibrillation (AF), cerebrovascular (CVD) and peripheral arterial disease (PAD). Different risk assessment schemes and bleeding definitions are compared. The HAS-BLED risk score is recommended in patients with AF and in ACS patients with AF. In patients with ACS with or without a stent dual antiplatelet therapy with a P2Y12 receptor antagonist and acetylsalicylic acid (ASA) is recommended for 12 months, preferable with prasugrel or ticagrelor unless there is an additional indication of warfarin or increased risk of bleeding. In patients with AF, warfarin is recommended if the risk of stroke is moderate to high, but newer emerging antithrombotic drugs will be recommended along with/or preferred to warfarin in the nearby future. Patients with CVD (without cardiogenic causes) are recommended clopidogrel treatment for secondary prevention, where as patients with PAD are recommended ASA or clopidogrel. With future implementation of new antithrombotic treatment regimens as monotherapy and in combinations with antiplatelet therapy, increased focus on risk of thromboembolic events and bleeding and individual tailoring of antithrombotic therapy is warranted.
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