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Abstract #0050

Whole heart SMS-bSSFP perfusion imaging with high resolution at 1.5T

Sarah McElroy1, Giulio Ferrazzi2, Muhummad Sohaib Nazir1, Carl Evans1, Filippo Bosio1, Nabila Mughal1, Karl P Kunze3, Radhouene Neji3, Peter Speier4, Daniel Stäb5, Christoph Forman4, Pier Giorgio Masci1, Reza Razavi1, Amedeo Chiribiri1, and Sébastien Roujol1
1King's College London, London, United Kingdom, 2IRCCS San Camillo Hospital, Venice, Italy, 3Siemens Healthcare Limited, Frimley, United Kingdom, 4Siemens Healthcare GmbH, Erlangen, Germany, 5Siemens Healthcare Ltd, Melbourne, Australia

First-pass cardiac magnetic resonance (CMR) perfusion imaging is widely used for non-invasive assessment of coronary artery disease (CAD). Conventional CMR perfusion sequences are limited in spatial coverage and resolution. We have developed a SMS-bSSFP sequence with a total acceleration factor of 16 (multiband (MB) acceleration of 3 x in-plane acceleration of 5.5) and compressed sensing reconstruction to enable 1.5 T CMR perfusion with whole-heart coverage and high (1.4 x 1.4 mm2) in-plane spatial resolution. The results from a preliminary study in 6 patients comparing the proposed acquisition against a conventional 3-slice acquisition are presented.

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