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 Obmann^1,2, Nino Trussardi¹, Davide Piccini^3,4, 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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