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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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