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Related Experiment Video

Updated: Jun 12, 2026

Improved Registration of 3D CT Angiography with X-ray Fluoroscopy for Image Fusion During Transcatheter Aortic Valve Implantation

Improved Registration of 3D CT Angiography with X-ray Fluoroscopy for Image Fusion During Transcatheter Aortic Valve Implantation

Published on: June 3, 2018

Accelerated 3D catheter visualization from triplanar MR projection images.

Carsten Oliver Schirra¹, Steffen Weiss, Sascha Krueger

¹King's College London, Division of Imaging Sciences, London, UK. carsten.schirra@kcl.ac.uk

Magnetic Resonance in Medicine

|June 24, 2010

Summary

This study introduces a novel method for 3D visualization of active catheters during MR-guided interventions, significantly reducing acquisition times. The technique uses multiplanar 2D MR images and compressed sensing for faster, more accurate catheter tracking and shape reconstruction.

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Last Updated: Jun 12, 2026

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Area of Science:

Medical Imaging
Interventional Radiology
Biomedical Engineering

Background:

Magnetic resonance (MR)-guided catheterizations face challenges due to long imaging acquisition times for visualizing interventional devices.
Current methods often rely on single-plane imaging, limiting visualization capabilities.

Purpose of the Study:

To develop a method for 3D visualization of active catheters using multiplanar 2D MR images, reducing overall acquisition time.
To improve catheter tracking and shape reconstruction for MR-guided interventions.

Main Methods:

Exploited the principle that 3D catheter shape can be derived from limited 2D projection images.
Developed a 3D visualization method from multiplanar 2D MR images, incorporating compressed sensing to reduce measurement times.
Introduced a novel single-channel catheter with a tip coil and loop antenna for simultaneous tip tracking and shape visualization, providing constraints for reconstruction.

Main Results:

Demonstrated the feasibility of the 3D visualization method in phantom studies.
Successfully validated the technique in an in vivo pig experiment.
Achieved reduced acquisition times and improved 3D catheter visualization compared to traditional methods.

Conclusions:

The developed method enables efficient 3D visualization of active catheters during MR-guided interventions.
The novel catheter design and compressed sensing approach significantly reduce acquisition times and computational load.
This technique holds promise for enhancing the precision and safety of minimally invasive procedures.