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Abstract #2137

Non-contrast Enhanced 3D Cartesian Aortic MR Angiography in 3 minutes

Camila Munoz1, Aurelien Bustin1, Gastao Cruz1, Pier Giorgio Masci1, Rene M Botnar1, and Claudia Prieto1
1Biomedical Engineering Department, School of Biomedical Engineering and Imaging Sciences, King's College London, London, United Kingdom

MR angiography is a useful technique for the diagnosis, monitoring and treatment planning of thoracic aortic disease. However, clinically used contrast-free approaches based on diaphragmatic navigator gating commonly result in long and unpredictable scan times. This study extends our previously introduced technique for non-contrast enhanced (non-CE) accelerated 3D Cartesian non-rigid motion-compensated whole-heart MR angiography for the visualization of the thoracic and suprarenal abdominal aorta from a short and efficient 3-minute scan. The proposed method was tested in five healthy subjects and two patients with cardiovascular disease, resulting in high-quality depiction of the aorta, holding promise for integration in clinical routine.

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