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Interventional Cardiovascular Magnetic Resonance Imaging

A New Opportunity for Image-Guided Interventions

Translational Medicine Branch, Division of Intramural Research, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, Maryland

^_* Reprint requests and correspondence: Dr. Robert J. Lederman, Translational Medicine Branch, Division of Intramural Research, National Heart, Lung, and Blood Institute, National Institutes of Health, Building 10, Room 2c713, MSC1538, Bethesda, Maryland 20892-1538 (Email: ledermar{at}nhlbi.nih.gov).

Cardiovascular magnetic resonance (CMR) combines excellent soft-tissue contrast, multiplanar views, and dynamic imaging of cardiac function without ionizing radiation exposure. Interventional cardiovascular magnetic resonance (iCMR) leverages these features to enhance conventional interventional procedures or to enable novel ones. Although still awaiting clinical deployment, this young field has tremendous potential. We survey promising clinical applications for iCMR. Next, we discuss the technologies that allow CMR-guided interventions and, finally, what still needs to be done to bring them to the clinic.

Key Words: iCMR • CMR • MRI • image-guided interventions • endovascular • structural heart disease • electrophysiology • pediatrics

Abbreviations and Acronyms   3D = 3-dimensional   CMR = cardiovascular magnetic resonance   EP = electrophysiology   iCMR = interventional cardiovascular magnetic resonance   RF = radiofrequency   VSD = ventricular septal defect   XFM = X-ray–fused with magnetic resonance imaging

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