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 Pushparajah^1,2, Mary A Rutherford³, Reza Razavi^1,2, 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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