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Updated: Jun 4, 2026

Microfluidics in Assessing Platelet Function
Published on: November 8, 2024
[Warfarin combined with blood platelet inhibition]
1Hjertemedisinsk avdeling, St. Olavs hospital. harald.vik-mo@ntnu.no
Insights
Dual antiplatelet therapy combined with oral anticoagulation is crucial but lacks trial guidance. Triple therapy reduces thrombosis but increases bleeding risk, necessitating careful management strategies.
Area of Science:
- Cardiology
- Pharmacology
- Thrombosis Research
Context:
- Coronary stent implantation and acute coronary syndrome (ACS) management require dual antiplatelet therapy (acetylsalicylic acid and a thienopyridine).
- Many patients require concurrent oral anticoagulation, creating a complex therapeutic scenario.
- Current treatment guidelines lack prospective randomized trial data for this patient population.
Purpose:
- To review current practices and provide guidance on managing patients requiring both dual antiplatelet therapy and oral anticoagulation.
- To highlight the risks and benefits of triple antithrombotic therapy (acetylsalicylic acid, clopidogrel, and warfarin).
Summary:
- Triple antithrombotic therapy is commonly used, balancing the reduced risk of thrombosis and thromboembolism against an increased risk of bleeding.
- Key strategies to mitigate complications include careful International Normalized Ratio (INR) monitoring, minimizing triple therapy duration, utilizing radial access, and employing bare metal stents.
Impact:
- Provides evidence-based recommendations for optimizing antithrombotic therapy in high-risk cardiovascular patients.
- Aims to reduce bleeding complications while maintaining efficacy in preventing thrombotic events.
- Informs clinical decision-making in the absence of definitive randomized controlled trials.
Abstract:
Dual antiplatelet therapy (acetylsalicylic acid and a thienopyridine) is essential after coronary stent implantation, and in the treatment of acute coronary syndrome. Many patients also need oral anticoagulation. Unfortunately, there are no prospective randomised trials to guide therapy. Triple antithrombotic therapy with acetylsalicylic acid, clopidogrel and warfarin is most commonly used. This regimen can reduce the risk of thrombosis and thromboembolism, but is associated with an increased risk of bleeding. Measures that reduce the risk of complications are reduction of INR with careful monitoring, a short duration of triple therapy (when possible) and use of radial access and a bare metal stent.
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