Abstract #3629

3D Whole Heart Grey-blood PSIR Slow Infusion Imaging for High-resolution Isotropic LGE Imaging

Alina Psenicny¹, Reza Hajhosseiny¹, Giorgia Milotta², Karl P Kunze³, Radhouene Neji^1,3, Amedeo Chiribiri¹, Pier Giorgio Masci¹, Claudia Prieto¹, and René M Botnar¹

¹School of Biomedical Engineering and Imaging Sciences, King's College London, London, United Kingdom, ²Wellcome Centre for Human Neuroimaging, UCL Queen Square Institute of Neurology, University College London, London, United Kingdom, ³MR Research Collaborations, Siemens Healthcare Limited, Frimley, United Kingdom

A free-breathing water/fat motion corrected 3D grey blood phase sensitive inversion recovery (PSIR) late gadolinium enhancement (LGE) technique that achieves whole heart coverage and provided excellent agreement with 2D grey blood LGE MRI has been recently proposed. However, contrast washout due to the relatively long scan time of ~10 minutes may impact scar detection and limit spatial resolution. We therefore sought to investigate the feasibility of high-resolution slow infusion motion-corrected 3D grey blood PSIR-LGE in comparison with a conventional clinically used breath-held 2D grey blood PSIR-LGE MRI technique. Here we report first qualitative and quantitative results.

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