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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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