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Stroke prevention in atrial fibrillation.

Ilyas Mohammed1, Adam Mohmand-Borkowski, James F Burke

  • 1Lankenau Hospital and Institute for Medical Research Center, Wynnewood, Pennsylvania, USA.

Journal of Cardiovascular Medicine (Hagerstown, Md.)
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Atrial fibrillation (AF) increases stroke risk. This review covers AF thromboembolism mechanisms, risk assessment tools, and therapies, including novel oral anticoagulants and non-pharmacological options for stroke prevention.

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Area of Science:

  • Cardiology
  • Neurology
  • Pharmacology

Background:

  • Atrial fibrillation (AF) is a prevalent arrhythmia linked to significant morbidity and mortality.
  • Thromboembolic strokes are a major complication of AF, with rising prevalence projected.
  • Understanding AF-related thromboembolism is crucial for patient management.

Purpose of the Study:

  • To review the mechanisms of thromboembolism in AF.
  • To compare risk stratification models for stroke and bleeding in AF patients.
  • To highlight current and emerging therapeutic strategies for stroke prevention in AF.

Main Methods:

  • Literature review of mechanisms, risk stratification, and therapies for AF-related stroke.
  • Comparative analysis of newer oral anticoagulants (NOACs) and non-pharmacological interventions.
  • Discussion of advantages and disadvantages of various treatment modalities.

Main Results:

  • Complex mechanisms contribute to AF-related thromboembolism.
  • Various risk stratification tools aid in identifying high-risk individuals.
  • NOACs (Dabigatran, Rivaroxaban, Apixaban) and left atrial appendage (LAA) interventions offer therapeutic options.

Conclusions:

  • Effective risk stratification and tailored therapies are essential for preventing stroke in AF.
  • NOACs and LAA occlusion/ligation represent significant advancements in AF stroke prevention.
  • Clinicians require updated knowledge on risk assessment and treatment options for optimal patient care.