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Antithrombotic treatment in atrial fibrillation patients undergoing PCI: Is dual therapy the winner?

Christos Mantis1, Dimitrios Alexopoulos2

  • 1Cardiology Department, Konstantopoulio General Hospital, Athens, Greece.

Thrombosis Research
|March 4, 2019
PubMed

Insights

Dual antithrombotic therapy (DAT) may be a safer alternative to triple antithrombotic therapy (TAT) for patients with atrial fibrillation undergoing percutaneous coronary intervention (PCI). DAT reduces bleeding risk while maintaining similar efficacy for preventing ischemic events.

Area of Science:

  • Cardiology
  • Pharmacology

Background:

  • Atrial fibrillation affects approximately 7% of patients undergoing percutaneous coronary intervention (PCI) with stent implantation.
  • Optimal antithrombotic treatment in this high-risk population is a significant clinical challenge.
  • Triple antithrombotic therapy (TAT) is effective but associated with increased bleeding risk.

Purpose of the Study:

  • To define the role of dual antithrombotic therapy (DAT) versus TAT in patients with atrial fibrillation undergoing PCI.
  • To analyze controversial issues and future expectations regarding antithrombotic strategies.

Main Methods:

  • Review of recent clinical trials comparing DAT and TAT.
  • Analysis of efficacy and safety data, focusing on bleeding and ischemic events.
  • Expert opinion and consensus on simplified antithrombotic strategies.

Main Results:

  • Recent trials suggest DAT (single antiplatelet + oral anticoagulant) reduces bleeding risk compared to TAT (dual antiplatelet + oral anticoagulant).
  • DAT appears to maintain similar efficacy in preventing ischemic events as TAT.
  • A simplified DAT strategy using a non-vitamin K antagonist oral anticoagulant and clopidogrel is gaining expert support.

Conclusions:

  • DAT represents an attractive, simplified strategy for many patients with atrial fibrillation undergoing PCI.
  • Further research is needed to address remaining controversies and establish definitive guidelines.
  • Optimizing antithrombotic treatment balances efficacy and safety in this complex patient group.

Keywords:
Antithrombotic therapyAtrial fibrillationDual therapyPercutaneous coronary interventionTriple therapy

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