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Cardiac Catheterization III: Left Heart Catheterization

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Related Experiment Video

Updated: Jun 20, 2026

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

Initial experience with remote magnetic navigation for left ventricular lead placement.

Karl Mischke¹, Christian Knackstedt, Michael Schmid

¹Department of Cardiology, Department of Cardiothoracic Surgery, RWTH Aachen University, Aachen, Germany. kmischke@ukaachen.de

Acta Cardiologica

|September 4, 2009

Summary

This summary is machine-generated.

Magnetic guidewire navigation offers a feasible and safe method for left ventricular lead placement during cardiac resynchronization therapy (CRT) procedures, achieving high success rates.

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Benefits of Cardiac Resynchronization Therapy in an Asynchronous Heart Failure Model Induced by Left Bundle Branch Ablation and Rapid Pacing

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Benefits of Cardiac Resynchronization Therapy in an Asynchronous Heart Failure Model Induced by Left Bundle Branch Ablation and Rapid Pacing

Benefits of Cardiac Resynchronization Therapy in an Asynchronous Heart Failure Model Induced by Left Bundle Branch Ablation and Rapid Pacing

Published on: December 11, 2017

Area of Science:

Cardiovascular Interventions
Medical Device Technology

Background:

A novel magnetic navigation system enables remote catheter and guidewire steering.
This technology presents a potential advancement for left ventricular lead placement in cardiac resynchronization therapy (CRT).

Purpose of the Study:

To assess the feasibility and safety of employing magnetic guidewire navigation for CRT procedures.

Main Methods:

123 patients undergoing CRT implantation/revision procedures were analyzed.
Procedures involved either conventional or magnetic navigation (Niobe system) for coronary sinus lead placement.
Patient groups were assigned based on room availability (conventional n=93, magnetic n=30).

Main Results:

Magnetic navigation achieved 100% guidewire access to target vessels, compared to 87% with conventional methods (P < 0.05).
No significant differences were observed in implantation success rates, procedure duration, or fluoroscopy time between the groups.
One instance of magnetic guidewire rupture occurred; no periprocedural deaths or device dysfunctions were reported.

Conclusions:

Magnetic guidewire navigation is a successful technique for left ventricular lead placement in CRT.
The system allows for effective engagement of coronary sinus side branches for lead implantation.