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Abstract #1501

Novel iNAV-based 3D Whole-Heart Late Gadolinium Enhancement Low-Field (0.55T) Cardiovascular MRI

Simon J. Littlewood1, Michael G. Crabb1, Carlos Castillo-Passi1,2,3, Dongyue Si1, Karl P. Kunze4, Claudia Prieto1,2, Amedeo Chiribiri1, and René M. Botnar1,2,5
1School of Biomedical Engineering and Imaging Sciences, King's College London, London, United Kingdom, 2School of Engineering, Pontificia Universidad Católica de Chile, Santiago, Chile, 35Millenium Institute for Intelligent Healthcare Engineering, Santiago, Chile, 4MR Research Collaborations, Siemens Healthcare Limited, Camberley, United Kingdom, 5Institute for Biological and Medical Engineering, Pontificia Universidad Católica de Chile, Santiago, Chile

Synopsis

Keywords: Atherosclerosis, Low-Field MRI, Late gadolinium enhanced

Motivation: 3D whole-heart late gadolinium enhancement imaging has previously been demonstrated at 1.5T, but not at low-field (0.55T).

Goal(s): To develop a novel free breathing, whole-heart, late gadolinium enhancement imaging framework at low field.

Approach: Patients with known ischaemic heart disease were scanned and results of the proposed 3D sequence were compared with 2D LGE images.

Results: There is excellent agreement between the 3D and 2D datasets in the detection of myocardial scar.

Impact: Preliminary results demonstrate the feasibility of the proposed framework for comprehensive 3D whole-heart late gadolinium enhancement imaging for the detection of myocardial scar at 0.55T.

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Abstract

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