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Biomarkers in atrial fibrillation: an overview

J A Vílchez1, V Roldán, D Hernández-Romero

  • 1Department of Cardiology, Hospital Universitario Virgen de la Arrixaca, University of Murcia, Murcia, Spain; Department of Clinical Analysis, Hospital Universitario Virgen de la Arrixaca, University of Murcia, Murcia, Spain.

International Journal of Clinical Practice
|December 31, 2013
PubMed

Insights

Biomarkers can improve risk assessment for atrial fibrillation (AF) patients, identifying those at higher risk of stroke. This review explores current biomarkers and their role in predicting adverse events in AF.

Area of Science:

  • Cardiology
  • Biomarker Research
  • Atrial Fibrillation Pathophysiology

Background:

  • Atrial fibrillation (AF) significantly increases stroke and death risk, exacerbated by cardiovascular risk factors.
  • AF pathophysiology involves inflammation, structural remodeling, apoptosis, and fibrosis, leading to a prothrombotic state.
  • Current clinical risk scores for oral anticoagulant therapy in AF have limited predictive accuracy for thromboembolic events.

Purpose of the Study:

  • To review published data on biomarkers studied in atrial fibrillation.
  • To focus on data from randomized prospective clinical trials and large community-based cohorts.
  • To assess the application of biomarkers in predicting prognosis and improving risk stratification in AF.

Main Methods:

  • Systematic review of literature on AF biomarkers.
  • Analysis of data from prospective clinical trials and community cohorts.
  • Evaluation of biomarker utility in risk stratification schemes for AF.

Main Results:

  • Biomarkers, including those in blood, urine, and imaging, offer potential to enhance understanding of AF pathophysiology.
  • Biomarkers show promise in identifying 'high risk' patients beyond traditional clinical scores.
  • The review synthesizes evidence on biomarker application for AF prognosis and risk assessment.

Conclusions:

  • Biomarkers are crucial for improving the identification and management of high-risk individuals with atrial fibrillation.
  • Further research and validation of biomarkers are needed to refine prognostic accuracy and clinical decision-making in AF.
  • Biomarker integration into risk stratification schemes can optimize oral anticoagulant therapy and patient outcomes in AF.

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