Abstract #4293

Wideband bright- and black-blood late gadolinium enhancement imaging for patients with cardiac implantable electronic device

Pauline Gut^1,2, Hubert Cochet^1,3, Frederic Sacher^1,4, Pierre Jaïs^1,4, Matthias Stuber^1,2,5, and Aurélien Bustin^1,2,3

¹IHU LIRYC, Electrophysiology and Heart Modeling Institute, Université de Bordeaux – INSERM U1045, Pessac, France, ²Department of Diagnostic and Interventional Radiology, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland, ³Department of Cardiovascular Imaging, Hôpital Cardiologique du Haut-Lévêque, CHU de Bordeaux, Pessac, France, ⁴Department of Cardiac Pacing and Electrophysiology, Hôpital Cardiologique du Haut-Lévêque, CHU de Bordeaux, Pessac, France, ⁵CIBM Center for Biomedical Imaging, Lausanne, Switzerland

Synopsis

Keywords: Myocardium, Tissue Characterization, Metallic device

Conventional LGE PSIR provides very good contrast between healthy and scar tissue, but scar patterns may be confused with blood signal. Joint LGE bright- and black-blood imaging allows for improved scar contrast and detailed cardiac anatomy. However, many patients with cardiac implantable electronic device (CIED) do not undergo cardiac imaging due to severe hyperintensity artefacts. Here we propose a technology to image myocardial scars with unprecedent scar contrast in patients with CIED by combining bright- and black-blood SPOT imaging with wideband MRI. We showed that wideband SPOT can suppress CIED-related hyperintensity artefacts, while maintaining improved scar contrast and localization.

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