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Related Experiment Video

Updated: May 20, 2026

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

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

Cardiac MRI visualization for ventricular tachycardia ablation.

Corine J Godeschalk-Slagboom¹, Rob J van der Geest, Katja Zeppenfeld

¹Division of Image Processing, Department of Radiology, Leiden University Medical Center, Leiden, The Netherlands.

International Journal of Computer Assisted Radiology and Surgery

|July 4, 2012

Summary

This study developed a system for integrated visualization of cardiac MRI data and voltage measurements during ventricular tachycardia (VT) ablation, showing potential to improve catheter guidance and tissue assessment.

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Remote Magnetic Navigation for Accurate, Real-time Catheter Positioning and Ablation in Cardiac Electrophysiology Procedures

Remote Magnetic Navigation for Accurate, Real-time Catheter Positioning and Ablation in Cardiac Electrophysiology Procedures

Published on: April 21, 2013

Area of Science:

Cardiovascular Imaging
Medical Visualization
Electrophysiology

Background:

Ventricular tachycardia (VT) ablation procedures require precise catheter guidance and accurate tissue assessment.
Integrated visualization of cardiac magnetic resonance imaging (MRI) and electrophysiological data can enhance procedural outcomes.

Purpose of the Study:

To develop and evaluate a system for simultaneous visualization of intracardiac voltage measurements and MRI-derived myocardial scar information during VT ablation.
To explore the added value of this integrated visualization for catheter guidance and tissue assessment.

Main Methods:

A synchronized 3D and 2D visualization system was developed, incorporating MRI-based volume rendering of scar tissue and voltage measurements.
3D visualization included scar characteristics and contextual heart structures; 2D views displayed three adjacent slices with linking elements to the 3D view.
Visualization techniques focused on optimal catheter guidance and detailed tissue assessment.

Main Results:

A case study simulation demonstrated positive reception of MRI-based scar rendering and 3D/2D view linking.
Visualization of voltage measurements was challenging due to colormap interpretation issues.
The integrated approach showed promise for improving VT ablation procedures.

Conclusions:

The developed system for integrating cardiac MRI data with voltage measurements shows potential to enhance VT ablation procedures.
Further refinement of visualization techniques, particularly for voltage data, may be necessary for optimal clinical utility.