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Catheter Ablation in Combination With Left Atrial Appendage Closure for Atrial Fibrillation
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Atrial fibrillation decision support tool: Population perspective.

Mark H Eckman1, Alexandru Costea2, Mehran Attari2

  • 1Division of General Internal Medicine and Center for Clinical Effectiveness, University of Cincinnati, Cincinnati, OH; Center for Health Informatics, University of Cincinnati, Cincinnati, OH.

American Heart Journal
|December 11, 2017
PubMed
Summary

Direct oral anticoagulants (DOACs) increase oral anticoagulant therapy (OAT) recommendations for atrial fibrillation (AF) patients. This shift to DOACs in AF management offers substantial gains in quality-adjusted life-years (QALYs).

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Area of Science:

  • Cardiology
  • Pharmacology
  • Health Economics

Background:

  • Atrial fibrillation (AF) management poses challenges in appropriate thromboprophylaxis.
  • Direct oral anticoagulants (DOACs) offer improved safety and comparable efficacy to warfarin.
  • Assessing the net benefit of DOACs versus warfarin in real-world AF populations is crucial.

Purpose of the Study:

  • To evaluate the impact of DOACs as an alternative to warfarin on the net clinical benefit of oral anticoagulant therapy (OAT).
  • To analyze treatment recommendations using an updated Atrial Fibrillation Decision Support Tool (AFDST) incorporating DOACs.
  • To quantify potential gains in quality-adjusted life-years (QALYs) with DOAC-guided OAT in AF patients.

Main Methods:

  • Retrospective cohort study of 5,121 adult patients with nonvalvular AF.
  • Utilized an updated AFDST with a decision analytic model to calculate patient-specific QALYs for different treatment strategies.
  • Included inpatient and ambulatory data from an academic health center over a 1-year period (2016).

Main Results:

  • DOACs as an option led to OAT recommendations for 81% of AF patients, compared to 63% with warfarin alone.
  • A significant increase in OAT recommendations was observed when DOACs were available.
  • Potential gain of 1,508 QALYs if all patients received AFDST-recommended thromboprophylaxis.

Conclusions:

  • DOAC availability increases the proportion of AF patients recommended for OAT.
  • Implementing DOACs as recommended by the AFDST can significantly improve projected QALYs in AF patients.
  • DOACs represent a valuable advancement in optimizing thromboprophylaxis and net clinical benefit for AF patients.