Dual versus triple antithrombotic therapy in patients undergoing percutaneous coronary intervention-meta-analysis and

Nayan Agarwal1, Ahmed N Mahmoud2, Mohammad Khalid Mojadidi2

  • 1Department of Cardiology, Cardiovascular Institute of the South, 225 Dunn Street, Houma, LA, 70360, United States of America.

Insights

For patients needing long-term anticoagulation after coronary intervention, dual therapy (P2Y12 inhibitor and anticoagulant) significantly reduces major bleeding compared to triple therapy, without increasing adverse cardiac events.

Area of Science:

  • Cardiology
  • Pharmacology
  • Clinical Trials

Background:

  • Managing anti-thrombotic therapy in patients on long-term anticoagulation undergoing coronary intervention presents significant clinical challenges.
  • Optimizing treatment strategies is crucial to balance the risk of thrombosis and bleeding.

Purpose of the Study:

  • To compare the efficacy and safety of dual therapy versus triple therapy in patients on long-term anticoagulation after percutaneous coronary intervention (PCI).
  • To determine the optimal anti-thrombotic regimen to minimize bleeding while maintaining cardiovascular protection.

Main Methods:

  • A meta-analysis was conducted, including observational studies and randomized controlled trials.
  • The analysis compared dual therapy (P2Y12 inhibitor and anticoagulant) with triple therapy (dual antiplatelet therapy and anticoagulant).
  • Major bleeding was the primary outcome of interest.

Main Results:

  • The meta-analysis included 6654 patients across 3 observational studies and 3 randomized controlled trials.
  • Dual therapy was associated with significantly lower rates of major bleeding (2.2% vs 5.2%) compared to triple therapy.
  • No significant differences were observed between the groups for major adverse cardiac events, all-cause mortality, myocardial infarction, target vessel revascularization, thromboembolic events, or stent thrombosis.

Conclusions:

  • A dual therapy strategy (P2Y12 inhibitor plus anticoagulant) is beneficial for patients undergoing PCI who require long-term anticoagulation.
  • This approach reduces major bleeding without compromising cardiovascular outcomes like major adverse cardiac events or mortality.
  • Dual therapy offers a safer alternative to triple therapy in this patient population.
Abstract

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