Improved Myocardial Scar Visualization with Two-minute Free-breathing Joint Bright- and Black-blood Late Gadolinium Enhancement Imaging
Aurelien Bustin1,2,3, Soumaya Sridi2, Aurelien Maillot1, Xavier Pineau2, Marta Nuñez-Garcia1, Maxime Sermesant1,4, Dounia El Hamrani1, Julie Magat1, Jérôme Naulin1, Stéphanie Clément-Guinaudeau2, Claire Bazin2, Gäel Dournes2, Michel Montaudon2, François Laurent2, Pierre Jaïs1,5, Matthias Stuber1,3,6, and Hubert Cochet1,2
1IHU LIRYC, Electrophysiology and Heart Modeling Institute, Université de Bordeaux – INSERM U1045, Bordeaux, France, 2Department of Cardiovascular Imaging, Hôpital Cardiologique du Haut-Lévêque, CHU de Bordeaux, Bordeaux, France, 3Department of Diagnostic and Interventional Radiology, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland, 4INRIA, Université Côte d’Azur, Sophia Antipolis, France, 5Department of Cardiac Electrophysiology, Hôpital Cardiologique du Haut-Lévêque, CHU de Bordeaux, Bordeaux, France, 6CIBM Center for Biomedical Imaging, Lausanne, Switzerland
Black-blood late gadolinium enhancement (LGE) techniques are increasingly being used to uncover myocardial scar patterns that may be otherwise confused with blood signal on conventional bright-blood LGE, especially when involving the subendocardium. With signal-attenuated blood and dark muscle representation, these techniques may however be hampered by a lack of anatomical information, making spatial localization of myocardial injuries a challenging task. Here we aim to assess the clinical performance of a novel LGE technique that combines both bright- and black-blood imaging in a single time-efficient free-breathing exam to obtain LGE images with unprecedented scar contrast and localization.
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