Abstract #2139

Imaging of the Pulmonary Vasculature in Congenital Heart Disease Using Relaxation-Enhanced Angiography Without Contrast and Triggering

Lenhard Pennig¹, Anton Wagner¹, Kilian Weiss², Simon Lennartz¹, Jan-Peter Grunz³, David Maintz¹, Kai Roman Laukamp¹, Tilman Hickethier¹, Claas Philip Naehle¹, Alexander Bunck¹, and Jonas Doerner¹

¹Institute for Diagnostic and Interventional Radiology, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, Germany, Cologne, Germany, ²Philips GmbH, Hamburg, Germany, ³Department of Diagnostic and Interventional Radiology,, University Hospital Würzburg, Würzburg, Germany, Würzburg, Germany

Patients with Congenital heart disease (CHD) require repetitive imaging of the pulmonary vasculature with CE-MRA showing risks like anaphylactic reactions and uncertain long-term effects of gadolinium deposition in the brain. We adapted a Compressed SENSE (CS) accelerated 3D REACT (navigator- and ECG-triggered) to the pulmonary vessels and compared it to standard 4D CE-MRA in the clinical routine. With REACT providing significant higher image quality and slightly higher interobserver agreement in a reasonable scan time, it may be regarded as a clinically applicable alternative for patients in need of repetitive imaging of the pulmonary vasculature without the use of contrast agents.

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