Abstract #4063

Fetal dynamic phase-contrast angiography using Doppler ultrasound gating and comparison with Doppler ultrasound measurements

Jin Yamamura¹, Fabian Kording², Roland Fischer^3,4, Gerhard Adam¹, Christian Ruprecht², Kai Fehrs², Manuela Tavares de Sousa⁵, and Björn Schönnagel¹

¹Diagnostic and Interventional Radiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany, ²NortHH Medical GmbH, Hamburg, Germany, ³Diagnsotic and Interventional Radiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany, ⁴UCSF Benioff Children's Hospital Oakland, Oakland, CA, United States, ⁵Gynaecology & Obstetrics, University Medical Center Hamburg-Eppendorf, Hamburg, Germany

In this prospective study 2D PC-MRI angiography was performed in nine human fetuses (gestational age 32.2 ± 2.4 weeks) using a novel MR compatible DUS device for gating of the fetal heart at a 1.5T MR scanner. The novel MR compatible DUS device for fetal cardiac gating allowed successful application of PC-MRI angiography and quantification of hemodynamics in the fetal AoD. This new technique for direct gating of the fetal heart demonstrates the diagnostic potential of PC-MRI for the quantification of fetal hemodynamics.

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