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Abstract #2059

Radial self-navigated non contrast-enhanced (CE-) MRA in comparison to conventional navigator-gated CE-MRA of the thoracic aorta in a vascular patient collective

Martina Correa Londono1, Verena Obmann1,2, Nino Trussardi1, Davide Piccini3,4, Michael Ith1, Hendrik von Tengg-Kobligk1, and Bernd Jung1

1Department of Diagnostic, Interventional and Pediatric Radiology, Inselspital, University of Bern, Bern, Switzerland, 2Department of Radiology, UH Cleveland Medical Center, Cleveland, USA, Cleveland, OH, United States, 3Advanced Clinical Imaging Technology, Siemens Healthcare, Lausanne, Switzerland, Bern, Switzerland, 4Department of Radiology, University Hospital (CHUV) and University of Lausanne (UNIL), Lausanne, Switzerland, Lausanne, Switzerland

This study compares a conventional Cartesian contrast-enhanced MRA sequence with a native 3D radial MRA sequence for imaging the aortic root and the ascending aorta. The difference in image quality between those two MRA sequences has been shown to be highly significant at the ascending aorta and the aortic arch with higher quality for the radial self-navigated non-contrast enhanced MRA. The results of our study support the potential of a native MRA protocol as a diagnostic tool in monitoring the geometry or size of the aortic root and the ascending aorta.

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