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Abstract #2000

Inter-Scanner, Inter-Software, and Inter-Reader Cross-over Interindividual Comparison of Quantitative Parameters in 4D Flow MRI

Malte Maria Sieren1, Andre Nowak1, Nicolas Kirschke1, Joachim Graessner2, Hendrik Kooijman3, Joerg Barkhausen1, Alex Frydrychowicz1, and Thekla Helene Oechtering1

1Department of Radiology and Nuclear Medicine, University Hospital Schleswig-Holstein, Campus Lübeck, Lübeck, Germany, 2Siemens Healthcare GmbH, Hamburg, Germany, 3Philips GmbH, Hamburg, Germany

Before introduction into clinical routine 4D Flow MRI has to be tested in larger scale studies. For data to meet quality standards for these studies various potential error sources have to be addressed. The aim of this study was to provide a comprehensive inter-scanner, inter-vendor, inter-individual cross-over evaluation of a 4D Flow sequence. The thoracic aorta of eight volunteers was examined on two 3T MRI-Scanners of different vendors and analyzed by two readers using three different software. While there was no significant difference between readers and MRI scanners, differences between analysis-software where beyond clinically acceptable limits.

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