Abstract
Background The clinical translation of MRI-guided cardiovascular catheterization has been limited by the unavailability of devices that are both visible and safe under MRI. In particular, rigid metallic guidewires are essential for most catheterization procedures and are at risk of heating during MR imaging [1]. Here we present an MRI method that simultaneously improves the visualization of commercially available nitinol guidewires and minimizes RF induced heating.
Highlights
The clinical translation of MRI-guided cardiovascular catheterization has been limited by the unavailability of devices that are both visible and safe under MRI
Image processing occurred in real-time and a color overlay of the device on the anatomy was displayed to the operator for guidance during catheterization
Authors’ details 1Division of Intramural Research, Cardiovascular and Pulmonary Branch, National Heart Lung and Blood Institute, National Institutes of Health, Bethesda, MD, USA. 2Institute of Biomedical Engineering, Bogazici University, Istanbul, Turkey
Summary
The clinical translation of MRI-guided cardiovascular catheterization has been limited by the unavailability of devices that are both visible and safe under MRI. Rigid metallic guidewires are essential for most catheterization procedures and are at risk of heating during MR imaging [1]. We present an MRI method that simultaneously improves the visualization of commercially available nitinol guidewires and minimizes RF induced heating
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