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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

MR-based real time path planning for cardiac operations with transapical access.

Erol Yeniaras¹, Nikhil V Navkar, Ahmet E Sonmez

¹Medical Robotics Lab, Department of Computer Science, University of Houston, Houston, TX 77004, USA. yeniaras@cs.uh.edu

Medical Image Computing and Computer-Assisted Intervention : MICCAI ... International Conference on Medical Image Computing and Computer-Assisted Intervention

|October 19, 2011

Summary

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This study introduces a real-time path planning algorithm for minimally invasive surgeries (MIS) in the beating heart. It uses real-time MRI to create a dynamic safety zone for robotic device deployment, enhancing surgical precision.

Area of Science:

Medical imaging
Robotic surgery
Cardiovascular interventions

Background:

Minimally invasive surgeries (MIS) offer improved patient outcomes and cost-effectiveness.
Real-time magnetic resonance imaging (MRI) shows promise for guiding interventions in the beating heart.
Enhanced visualization and precision are crucial for complex intracardiac procedures.

Purpose of the Study:

To introduce a novel real-time path planning algorithm for intracardiac procedures.
To create and dynamically update a volumetric safety zone within a beating heart during robotic device deployment.
To assess the feasibility of the algorithm using a virtual transapical aortic valve replacement case study.

Main Methods:

Development of a real-time path planning algorithm utilizing real-time MRI data.

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On-the-fly creation and updating of a volumetric safety zone.

Simulation of a transapical aortic valve replacement procedure in a beating heart model.

Main Results:

The algorithm successfully generated a dynamic safety zone within the beating heart model.
Real-time MRI integration allowed for on-the-fly updates of the safety zone.
The virtual case study demonstrated the feasibility of the approach for robotic intracardiac interventions.

Conclusions:

The proposed real-time path planning algorithm, guided by real-time MRI, is a feasible approach for intracardiac procedures.
Dynamic safety zone creation enhances precision and safety during robotic interventions in the beating heart.
This technology has the potential to advance minimally invasive cardiac surgery.