Abstract #1080

Fetal Cardiac MRI using Self-gating with a Cartesian K-space Trajectory

Henrik von Kleist^1,2,3, Natalie Copeland⁴, P. Ellen Grant^4,5,6, Wayne Tworetzky^1,2, Andrew J. Powell^1,2, and Mehdi H. Moghari^1,2

¹Department of Cardiology, Boston Children's Hospital, Boston, MA, United States, ²Department of Pediatrics, Harvard Medical School, Boston, MA, United States, ³Department of Informatics, Technical University of Munich, Garching, Germany, ⁴Department of Medicine, Fetal Neonatal Neuroimaging and Developmental Science Center, Boston Children's Hospital, Boston, MA, United States, ⁵Department of Radiology, Boston Children's Hospital, Boston, MA, United States, ⁶Department of Radiology, Harvard Medical School, Boston, MA, United States

Fetal cardiac MRI may be a useful compliment to echocardiography given its ability to measure blood flow and produce quality images independent of body habitus. Fetal cardiac MRI is, however, technically challenging since the fetal electrocardiogram signal cannot be sampled for cardiac gating. Self-gating is a method to extract the cardiac gating signal directly from MRI data, and its performance has been validated on adults. In this work, we investigated the feasibility of using self-gating for fetal cardiac MRI and show the results from three pregnant volunteers.

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