Abstract #3438

Feasibility of 4D phase-contrast MRI for the assessment of blood flow in the fetal aorta using Doppler ultrasound gating: preliminary results

Fabian Kording¹, Bjoern P Schoennagel¹, Christian Ruprecht¹, Daniel Giese², Einar Heiberg ³, Manuela Tavares⁴, and Jin Yamamura¹

¹Department of Diagnostic and Interventional Radiology and Nuclear Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany, ²Department of Radiology, University Hospital Cologne, Cologne, Germany, ³Lund University, Lund, Sweden, ⁴University Medical Center Hamburg-Eppendorf, Hamburg, Germany

Fetal magnetic resonance imaging (MRI) is increasingly used as a second-line imaging tool for prenatal evaluation. The recet Doppler ultrasound trigger method enables the use of cardiovascular imaging techniques which may be usefull to improve prenatal cardiovascular imaging. This work investigates the use of 4D phase contrast measurements for the visualisation and quantification of fetal blood flow in the great vessels. In a small study group (n=2) it was shown for the first time that 4D flow measurements are feasible in the fetal vessels which may be beneficial for visualization and quantification of complex congenital cardiovascular malformations.

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