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Abstract #3104

Fetal Cardiac MRI with self-gated iGRASP

Kostas Haris1,2, Erik Hedstrom2,3, Sebastian Bidhult2, Frederik Testud4, George Kantasis1,2, Henrik Engblom2, Marcus Carlsson2, Nicos Maglaveras1, Einar Heiberg2, Stefan R Hansson5, Hakan Arheden2, and Anthony H Aletras1,2

1Laboratory of Medical Informatics, Department of Medicine, Aristotle University of Thessaloniki, Thessaloniki, Greece, 2Lund Cardiac MR Group, Department of Clinical Physiology and Nuclear Medicine, Skåne University Hospital, Lund University, Lund, Sweden, 3Department of Diagnostic Radiology, Skåne University Hospital, Lund University, Lund, Sweden, 4Siemens Healthcare AB, Malmoe, Sweden, 5Department of Obstetrics and Gynecology, Skåne University Hospital, Lund University, Lund, Sweden

The aim of this study was to demonstrate the feasibility of CINE fetal MRI within a breath-hold with self-gated retrospective binning applied with continuous golden angle radial sampling and iGRASP acceleration. A bSSFP radial acquisition scheme was applied with 0.7x0.7mm2 in-plane resolution and a small golden angle of 23.1o. A total of 3800 radial spokes were acquired within a breath hold of 15s. Cardiac triggering was obtained from the centers of the readouts via Principal Component Analysis. The final images were obtained by using iGRASP. Good quality CINE images from the fetus in the third trimester were acquired.

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