Related Experiment Video

Updated: May 20, 2026

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

Catheter Ablation in Combination With Left Atrial Appendage Closure for Atrial Fibrillation

Published on: February 26, 2013

Risk stratification of patients with atrial fibrillation: Biomarkers and other future perspectives

Rui Providência1, Luís Paiva, Sérgio Barra

  • 1Rui Providência, Luís Paiva, Sérgio Barra, Department of Cardiology, Coimbra's Hospital Centre and University, 3041-801 S.Martinho do Bispo, Coimbra, Portugal.

World Journal of Cardiology
|July 5, 2012
PubMed

Insights

Stratifying atrial fibrillation (AF) risk is crucial for preventing stroke. New methods using biomarkers and echocardiography may improve upon current clinical risk scores for better anticoagulation decisions.

Area of Science:

  • Cardiology
  • Biomarkers
  • Medical Diagnostics

Background:

  • Atrial fibrillation (AF) management relies on risk stratification for thromboembolism prophylaxis.
  • Current scores like CHADS(2) and CHA(2)DS(2)-VASc have limitations in optimizing anticoagulation.
  • Biomarkers and echocardiography show promise for enhancing risk assessment.

Purpose of the Study:

  • To provide an overview of current AF risk stratification methods.
  • To discuss the potential of novel biomarkers and echocardiography in improving risk scores.
  • To explore future developments in AF risk stratification.

Main Methods:

  • Review of existing literature on AF risk stratification.
  • Analysis of biomarker data (troponin, NT-proBNP) from studies like RE-LY.
  • Evaluation of echocardiography's role in risk assessment.

Main Results:

  • Clinical risk scores are foundational but have suboptimal risk/benefit weighting.
  • Biomarkers like troponin and NT-proBNP demonstrate potential in refining risk stratification.
  • Echocardiography is under investigation for its utility in improving risk score performance.

Conclusions:

  • Current AF risk stratification needs enhancement for precise anticoagulation.
  • Biomarkers and echocardiography represent promising avenues for future risk assessment tools.
  • Integrating novel approaches may lead to more personalized AF management strategies.

Keywords:
AnticoagulationAtrial fibrillationRisk stratificationStrokeThromboembolism

More Related Videos

Estimating Bilateral Atrial Function by Cardiovascular Magnetic Resonance Feature Tracking in Patients with Paroxysmal Atrial Fibrillation08:10

Estimating Bilateral Atrial Function by Cardiovascular Magnetic Resonance Feature Tracking in Patients with Paroxysmal Atrial Fibrillation

Published on: July 20, 2022

The WATCHMAN Left Atrial Appendage Closure Device for Atrial Fibrillation23:33

The WATCHMAN Left Atrial Appendage Closure Device for Atrial Fibrillation

Published on: February 28, 2012

Related Concept Videos

Dysrhythmias V: Evaluating Dysrhythmias01:30

Dysrhythmias V: Evaluating Dysrhythmias

Dysrhythmias, also known as arrhythmias, are disturbances in the heart's rhythm that range from benign to life-threatening. A thorough evaluation is crucial for appropriate management and involves a comprehensive medical history, physical examination, and various diagnostic tests.Medical HistorySymptoms: Collect detailed information on palpitations, dizziness, syncope, chest pain, and fatigue. Note their onset, frequency, and triggers.Previous Cardiac Issues: Document any history of heart...
Types of Biopharmaceutical Studies: Controlled and Non-Controlled Approaches01:23

Types of Biopharmaceutical Studies: Controlled and Non-Controlled Approaches

Biopharmaceutical studies constitute a vital field aiming to enhance drug delivery methods and refine therapeutic approaches, drawing upon diverse interdisciplinary knowledge. In research methodologies, the choice between controlled and non-controlled studies significantly influences the study's reliability and accuracy.
Non-controlled studies, commonly employed for initial exploration, lack a control group, rendering them susceptible to biases and external influences. In contrast, controlled...
Heart Failure IV: Classification and Diagnostic Evaluation01:30

Heart Failure IV: Classification and Diagnostic Evaluation

Heart failure can be classified in various ways, with the most common classifications based on physical activity limitations, disease progression, severity, and treatment strategies.The Functional Classification of Heart Failure divides patients into four categories based on physical activity limitation due to symptom burden.Class I: Patients in this class have cardiac disease but no physical activity limitations. Ordinary activities like walking, climbing stairs, or routine tasks do not cause...
Blood Studies for Cardiovascular System I: Cardiac Biomarkers01:20

Blood Studies for Cardiovascular System I: Cardiac Biomarkers

Cardiac biomarkers are enzymes, proteins, and hormones released into the blood when cardiac cells are injured. They are powerful tools for triaging.
The essential diagnostic tools for detecting myocardial necrosis and monitoring individuals suspected of having acute coronary syndrome (ACS) include:
Troponins
Troponins, particularly cardiac troponins I and T, are the most precise and sensitive markers of myocardial injury. They are detectable within 4-6 hours of myocardial injury and remain...
Blood Studies for Cardiovascular System II: CRP, Hcy, and Cardiac Natriuretic Peptide Markers01:19

Blood Studies for Cardiovascular System II: CRP, Hcy, and Cardiac Natriuretic Peptide Markers

Cardiac biomarkers are critical in diagnosing, prognosing, and managing cardiovascular diseases. Routine measurement of specific biomarkers such as B-type natriuretic peptide (BNP), C-reactive protein (CRP), and homocysteine (Hcy) is common practice in clinical settings to evaluate heart function and predict cardiovascular events.
These markers indicate stress or strain on the heart muscle:
Natriuretic Peptides (BNP)
Cardiac myocytes produce these hormones in response to ventricular stretching...
Venous Thrombosis III: Interprofessional Care01:29

Venous Thrombosis III: Interprofessional Care

Venous thrombosis requires effective prevention and treatment strategies to improve patient outcomes and reduce potential complications.Prevention StrategiesHealthcare providers must prioritize preventing venous thromboembolism (VTE) for all adult patients upon admission. Interventions depend on bleeding and thrombosis risk, medical history, current medications, diagnoses, planned procedures, and patient preferences. Patients on bed rest should change positions every two hours and, if not...