Related Experiment Video
Updated: Jan 29, 2026

The WATCHMAN Left Atrial Appendage Closure Device for Atrial Fibrillation
Published on: February 28, 2012
Antithrombotic Strategies in Patients With Atrial Fibrillation Undergoing Percutaneous Coronary Intervention
Bharath Rajagopalan1, Christopher Madias2
1The Cardiovascular Center, Tufts Medical Center, Boston, MA, 02111, USA.
Insights
Dual antithrombotic therapy significantly reduces bleeding in atrial fibrillation (AF) patients undergoing percutaneous coronary intervention (PCI) without increasing ischemic events. This approach is preferred over traditional triple therapy for better safety outcomes.
Area of Science:
- Cardiology
- Pharmacology
- Interventional Cardiology
Background:
- Atrial fibrillation (AF) patients undergoing percutaneous coronary intervention (PCI) require antithrombotic therapy to prevent thrombotic events.
- Traditional triple antithrombotic therapy (aspirin, P2Y12 inhibitor, oral anticoagulant) is associated with high bleeding rates.
Purpose of the Study:
- To review contemporary antithrombotic management strategies for AF patients undergoing PCI.
- To evaluate the balance between ischemic and bleeding risks in this patient population.
Main Methods:
- Analysis of recent clinical trials evaluating dual antithrombotic therapy in AF patients undergoing PCI.
- Comparison of dual versus triple antithrombotic therapy regimens.
Main Results:
- Dual antithrombotic therapy significantly reduces bleeding events compared to triple therapy.
- Dual therapy demonstrates no increase in ischemic events.
- Clopidogrel is the preferred P2Y12 inhibitor in dual regimens.
- Novel oral anticoagulants (NOACs) like rivaroxaban and dabigatran are preferred oral anticoagulants.
Conclusions:
- Dual antithrombotic therapy represents a safer and effective alternative to triple therapy for AF patients undergoing PCI.
- Current evidence supports the use of specific NOACs and P2Y12 inhibitors in dual regimens.
Purpose Of Review:
The choice of appropriate antithrombotic therapy in patients with atrial fibrillation (AF) undergoing percutaneous coronary interventions (PCI) should be approached prudently. Careful consideration is necessary, balancing the ischemic and bleeding risk. Traditionally, triple antithrombotic therapy comprising of aspirin, a P2Y12 inhibitor, and an oral anticoagulant is associated with high bleeding rates.
Recent Findings:
Recent trials have evaluated the safety and effectiveness of dual antithrombotic therapy in AF patients undergoing PCI. These studies have shown a significant reduction in bleeding with no increase in ischemic events. Clopidogrel is the preferred P2Y12 agent in the dual antithrombotic regimens. The novel oral anticoagulants (NOAC) rivaroxaban and dabigatran have been evaluated as part of dual antithrombotic therapy and are preferred options for oral anticoagulation in AF patients undergoing PCI. Studies are in progress to evaluate the role of alternate NOACs in this clinical scenario. This review explores the contemporary management of antithrombotic therapy in AF patients undergoing PCI.
Related Concept Videos
Amyloid Fibrils
Amyloid deposits were observed as early as 1639 in the liver and the spleen. In 1854, Rudolph Virchow performed iodine staining,...
Amyloid Fibrils
Nursing Interventions I: Taxonomy of Nursing Interventions
A nursing intervention is a treatment or action based on scientific concepts and knowledge from the nursing, behavioral, and physical sciences. Identifying and prioritizing nursing interventions based on the desired outcome...
Nursing Interventions II: Selecting and Classifying the Nursing Interventions
Fibril-associated Collagen
For example, the type II collagen fibrils in cartilage have covalently bound type IX fibril-associated collagens at regular intervals. Other types of fibril-associated collagens are...
Coronary Circulation
Coronary circulation begins at the base of the aorta, where two main arteries arise—the left and right coronary arteries. These arteries encircle the heart in the coronary sulcus and supply the...

