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Abstract #1052

Fetal whole-heart 3D cine reconstruction using motion-corrected multi-slice dynamic imaging

Joshua FP van Amerom1, David FA Lloyd1, Maria Kuklisova Murgasova1, Anthony N Price1, Shaihan J Malik1, Milou Van Poppel1, Kuberan Pushparajah1,2, Mary A Rutherford3, Reza Razavi1,2, and Joseph V Hajnal1

1School of Biomedical Engineering & Imaging Sciences, King's College London, London, United Kingdom, 2Department of Congenital Heart Disease, Evelina London Children's Hospital, London, United Kingdom, 3Centre for the Developing Brain, King's College London, London, United Kingdom

Cine fetal cardiac imaging with whole heart coverage presents numerous challenges due to maternal and fetal motion as well as high heart rate and lack of reliable independent synchronisation signal. To overcome these challenges, highly accelerated multi-slice 2D dynamic images were retrospectively reordered in time and aligned in space to produce a 3D cine using scattered interpolation methods with outlier rejection. The proposed methods were tested on ten human fetal subjects and validated using a numerical phantom.

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