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Ventricular Tachycardia in Structural Heart Disease

Eliany Mejia Lopez1, Rohit Malhotra1

  • 1Cardiac Electrophysiology Department, Cardiovascular Division, Department of Medicine, University of Virginia Health System, Charlottesville, VA, USA.

The Journal of Innovations in Cardiac Rhythm Management
|June 2, 2020
PubMed

Insights

Managing ventricular tachycardia (VT) in structural heart disease (SHD) often requires a combination of therapies. This review discusses current treatment options for VT in SHD patients, focusing on diagnosis and management strategies.

Area of Science:

  • Cardiology
  • Electrophysiology
  • Internal Medicine

Background:

  • Structural heart disease (SHD) poses a significant risk for ventricular tachycardia (VT), a challenging clinical management problem.
  • Coronary artery disease with myocardial infarction (MI) is the most frequent cause of SHD-associated VT, primarily due to scar-mediated reentry.
  • Other conditions like cardiomyopathies and congenital heart disease also contribute to VT in SHD.

Purpose of the Study:

  • To review current therapeutic strategies for managing ventricular tachycardia in patients with structural heart disease.
  • To highlight the importance of accurate diagnosis and mechanism identification for guiding treatment decisions.
  • To discuss the role and limitations of antiarrhythmic drugs and catheter ablation.

Main Methods:

  • Review of existing literature on ventricular tachycardia management in structural heart disease.
  • Analysis of diagnostic approaches including patient history, ECG, and imaging.
  • Evaluation of therapeutic options such as antiarrhythmic drugs and catheter ablation.

Main Results:

  • No single treatment guarantees perfect results; combination therapy is often necessary for effective VT control.
  • Accurate diagnosis and localization of VT origin are crucial for successful catheter ablation.
  • Antiarrhythmic drugs may reduce VT burden but do not improve mortality and can worsen heart failure.

Conclusions:

  • Effective management of VT in SHD necessitates a comprehensive approach integrating diagnostic findings with therapeutic interventions.
  • Catheter ablation is a key option when indicated, guided by precise arrhythmia localization.
  • Careful consideration of antiarrhythmic drug risks, particularly negative inotropic effects, is essential.

Keywords:
Ablationmappingventricular tachycardia

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