Abstract #0271

Improved Myocardial Scar Visualization with Two-minute Free-breathing Joint Bright- and Black-blood Late Gadolinium Enhancement Imaging

Aurelien Bustin^1,2,3, Soumaya Sridi², Aurelien Maillot¹, Xavier Pineau², Marta Nuñez-Garcia¹, Maxime Sermesant^1,4, Dounia El Hamrani¹, Julie Magat¹, Jérôme Naulin¹, Stéphanie Clément-Guinaudeau², Claire Bazin², Gäel Dournes², Michel Montaudon², François Laurent², Pierre Jaïs^1,5, Matthias Stuber^1,3,6, and Hubert Cochet^1,2

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

Synopsis

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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