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Abstract #0335

3-Dimensional DANTE-prepared sequence with non-rigid motion-correction for high-resolution dark-blood aortic imaging

Anastasia Fotaki1, Camila Munoz1, Alina Hua1, Karl P Kunze1,2, Radhouene Neji1,2, Tevfik F Ismail1, Rene M Botnar1,3,4,5, and Claudia Prieto1,3,4,5
1Biomedical Engineering, King's College London, London, United Kingdom, 2MR Research Collaborations, Siemens Healthcare Limited, Camberley, United Kingdom, 3Institute for Biological and Medical Engineering, Pontificia Universidad Católica de Chile, Santiago, Chile, 4Millennium Institute for Intelligent Healthcare Engineering, Santiago, Chile, 5School of Engineering, Pontificia Universidad Católica de Chile, Santiago, Chile

Synopsis

Keywords: Vessels, New Signal Preparation Schemes, Pulse Sequence DesignDark-blood imaging is an important tool for vascular imaging in cardiovascular disease. A novel free-breathing water/fat DANTE-prepared sequence is introduced for 3D dark-blood imaging of the thoracic and abdominal aorta. The framework integrates image navigation to enable translational and non-rigid motion correction resulting in a predictable scan time along with dual-echo Dixon gradient-echo readout for robust fat suppression. Results from healthy subjects and patients demonstrate the feasibility of the sequence for high-resolution, aortic imaging in ~7-minute acquisition time.

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