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Catheter Ablation in Combination With Left Atrial Appendage Closure for Atrial Fibrillation
28:13

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Published on: February 26, 2013

Stroke in atrial fibrillation: epidemiology and thromboprophylaxis

G Y H Lip1

  • 1University of Birmingham Centre for Cardiovascular Sciences, City Hospital, Birmingham, UK. g.y.h.lip@bham.ac.uk

Journal of Thrombosis and Haemostasis : JTH
|July 26, 2011
PubMed

Insights

Atrial fibrillation (AF) stroke risk can be reduced with oral anticoagulation (OAC). New OACs and improved risk assessments aim to optimize thromboprophylaxis and prevent AF-related strokes.

Area of Science:

  • Cardiology
  • Neurology
  • Pharmacology

Background:

  • Atrial fibrillation (AF) is a common heart rhythm disorder linked to significant stroke and thromboembolism risks.
  • Oral anticoagulation (OAC) effectively prevents AF-related stroke, yet its use remains suboptimal due to limitations of current vitamin K antagonist (VKA) therapies.
  • Newer OAC agents offer advantages over VKAs, presenting an opportunity to improve thromboprophylaxis and reduce stroke incidence.

Purpose of the Study:

  • To provide a comprehensive overview of stroke in AF, focusing on clinical epidemiology.
  • To review current stroke and bleeding risk assessment strategies for AF patients.
  • To examine the current provision and future directions of thromboprophylaxis in AF management.

Main Methods:

  • Literature review of epidemiological data and clinical trial evidence on AF and stroke.
  • Analysis of current guidelines and clinical practices for OAC and thromboprophylaxis.
  • Evaluation of emerging OAC agents and risk stratification tools.

Main Results:

  • AF is a major cause of stroke, but effective prevention is achievable with OAC.
  • Suboptimal thromboprophylaxis is partly due to VKA limitations; newer OACs show promise.
  • Enhanced stroke and bleeding risk assessments are crucial for personalized OAC decisions.

Conclusions:

  • Optimizing OAC use in AF, aided by novel agents and refined risk assessment, is key to reducing stroke burden.
  • Improved risk stratification can identify patients who truly need anticoagulation and those who do not.
  • The review highlights the need for better clinical decision-making tools for AF thromboprophylaxis.

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