Joshua FP van Amerom1, Maria Kuklisova Murgasova1, Anthony N Price1, Shaihan J Malik1, Paul Aljabar2, David A Lloyd1, Kuberan Pushparajah1,3, Maelene Lohezic1, Matthew J Fox2, Joanna M Allsop2, Mary A Rutherford1,2, Reza Razavi1,3, and Joseph V Hajnal1
1Division of Imaging Sciences & Biomedical Engineering, King's College London, London, United Kingdom, 2Centre for the Developing Brain, King's College London, London, United Kingdom, 3Department of Congenital Heart Disease, Evelina London Children's Hospital, London, United Kingdom
Motion is a key limiting factor in fetal cardiac MRI as the small, rapidly beating heart is subject to various periodic and spontaneous motions. Highly accelerated real-time imaging with high temporal resolution was used to obtain serial ‘snapshots’ of the fetal heart and surrounding anatomy that could be motion-corrected and reassembled, combining several cardiac cycles into a single heartbeat. A super-resolution reconstruction was applied to increase the visibility of dynamic anatomical features in the densely sampled data. The resulting cine images provide a clear depiction of dynamic cardiac features.
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