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Abstract #0782

Motion-Compensated 3D Whole-heart Water-Fat Late Gadolinium Enhancement Imaging for Assessment of Myocardial Viability

Camila Munoz1, Radhouene Neji1,2, Karl P Kunze2, Teresa Correia1, Christoph Forman3, Michaela Schmidt3, Imran Rashid1, René M Botnar1, and Claudia Prieto1

1School of Biomedical Engineering and Imaging Sciences, King's College London, London, United Kingdom, 2MR Research Collaborations, Siemens Healthcare GmbH, Frimley, United Kingdom, 3Cardiovascular MR Predevelopment, Siemens Healthcare GmbH, Erlangen, Germany

Water/fat 2D LGE imaging has shown promising results for assessment of fibro-fatty infiltration in the myocardium and characterisation of cardiac masses. However, spatial resolution and volumetric coverage within a clinically feasible scan time remain a challenge. Here we propose a highly efficient respiratory motion-compensated 3D whole-heart water/fat inversion recovery (IR)-prepared LGE imaging sequence. Preliminary results from patients with cardiovascular disease demonstrate the feasibility of the approach, with scan duration of ~8 min. Motion-compensated 3D LGE water images offer a good depiction of myocardial scar, while motion-compensated fat images offer complementary diagnostic information, with clear delineation of epicardial and pericardial fat.

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