Abstract #4055

Fetal cardiac 4D phase-contrast MRI using Doppler ultrasound gating to visualize fetal hemodynamics in utero: preliminary results

Fabian Kording¹, Björn Schönnagel¹, Christian Ruprecht¹, Manuela Tavares de Sousa², Jin Yamamura¹, and Daniel Giese³

¹University Medical Center Hamburg-Eppendorf, Hamburg, Germany, ²Department of Obstetrics and Fetal Medicine, Germany, University Medical Center Hamburg-Eppendorf, Hamburg, Germany, ³Department of Radiology, University Hospital Cologne, Cologne, Germany

In this study 2D and 4D phase contrast MRI angiography was performed in six foetuses (gestational week 30-35) with direct cardiac gating using Doppler ultrasound at 1.5T. The fetal vasculature and hemodynamics could be visualised in detail including the ductus arteriosus. Blood flow was similar between 2D and 4D PCA. This method may provide an important additional tool for prenatal diagnosis of CHD such as coartation of the aorta.

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