Abstract #0349

Clinical fetal cardiovascular MRI based on Doppler ultrasound gating at 3T and 1.5T: On a technical aspect of imaging pulse sequence optimization

Shuo Zhang¹, Janine Knapp², Roland Cronenberg³, Björn Schönnagel², Manuela Tavares de Sousa⁴, Barbara Ulm⁵, Daniela Prayer³, Vanessa Berger-Kulemann³, and Fabian Kording^2,6

¹Philips, Hamburg, Germany, ²Department of Diagnostic and Interventional Radiology and Nuclear Medicine, University Hospital Hamburg-Eppendorf, Hamburg, Germany, ³Department of Biomedical Imaging and Image-Guided Therapy, Division of Neuroradiology and Musculoskeletal Radiology, Medical University of Vienna, Vienna, Austria, ⁴Department of Obstetrics and Fetal Medicine, University Hospital Hamburg-Eppendorf, Hamburg, Germany, ⁵Department of Gynecology and Obstetrics, Division of Feto-Maternal Medicine, Medical University of Vienna, Vienna, Austria, ⁶northh medical GmbH, Hamburg, Germany

Cardiovascular MRI is considered a valuable diagnostic tool for studying congenital abnormalities in children and adults. However, simple, high-quality imaging of the fetal heart is challenging due to lack of direct in-utero cardiac gating. We aimed to employ a recently introduced Doppler ultrasound (DUS) device and combine with optimized routine imaging techniques for structural and functional studies of the fetal heart and to establish a standard acquisition approach for high-quality fetal cardiovascular MRI in the clinical practice.

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