Related Experiment Video

Updated: Nov 2, 2025

Ablation of Ischemic Ventricular Tachycardia Using a Multipolar Catheter and 3-dimensional Mapping System for High-density Electro-anatomical Reconstruction
06:57

Ablation of Ischemic Ventricular Tachycardia Using a Multipolar Catheter and 3-dimensional Mapping System for High-density Electro-anatomical Reconstruction

Published on: January 31, 2019

15.0K

Coronary Venous Mapping and Catheter Ablation for Ventricular Arrhythmias

Jackson J Liang1, Frank Bogun1

  • 1University of Michigan, Ann Arbor, Michigan.

Methodist Debakey Cardiovascular Journal
|June 9, 2021
PubMed

Insights

Catheter ablation effectively treats ventricular arrhythmias (VAs). When VAs originate deep within the heart muscle or on the outer surface, the coronary venous system (CVS) offers a unique approach for mapping and ablation.

Area of Science:

  • Cardiology
  • Electrophysiology
  • Medical Devices

Background:

  • Catheter ablation is a primary treatment for ventricular arrhythmias (VAs).
  • Standard ablation targets the endocardium of the left and right ventricles.
  • Intramural or epicardial VA origins present challenges for endocardial ablation.

Purpose of the Study:

  • To review the utility of the coronary venous system (CVS) for mapping and ablation of VAs.
  • To identify specific clinical scenarios where CVS mapping is advantageous.
  • To discuss the techniques employed for CVS mapping and ablation.

Main Methods:

  • Review of existing literature on catheter ablation for VAs.
  • Analysis of cases where VA origin was intramural or epicardial.
  • Description of CVS mapping and ablation techniques.

Main Results:

  • The CVS provides an alternative access route for mapping and ablation when endocardial approaches fail.
  • Specific VA substrates and origins are better visualized and treated via the CVS.
  • Successful ablation of challenging VAs has been achieved using CVS mapping.

Conclusions:

  • CVS mapping and ablation are valuable tools for managing complex ventricular arrhythmias.
  • This approach expands the therapeutic options for VAs originating from difficult-to-reach substrates.
  • Further research may refine CVS-based ablation strategies.

Keywords:
PVCablationcoronary venous mappingventricular tachycardia

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