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Abstract #1319

Double-Spoke Slab-Selective Ramp Pulse Design for UHF TOF MR Angiography

Gaël Saïb1, Vincent Gras1, Franck Mauconduit2, Nicolas Boulant1, Alexandre Vignaud1, Denis Le Bihan3, Laurent Le Brusquet4, and Alexis Amadon1

1CEA/DRF/I2BM/NeuroSpin/UNIRS, Gif-Sur-Yvette, France, 2Siemens Healthineers France, Saint-Denis, France, 3CEA/DRF/I2BM/NeuroSpin, Gif-Sur-Yvette, France, 4Laboratoires des Signaux et Systèmes, Université Paris-Saclay/CentraleSupélec/CNRS, Gif-sur-Yvette, France

Recently, the use of TOF with parallel transmission at Ultra High Field demonstrated an improvement in vessel-to-background contrast and spatial resolution. This study further investigates the in-vivo feasibility to correct for blood flow saturation effects in TOF slabs with a new double-spoke ramp pulse design optimization at 7T while mitigating in-plane TOF heterogeneities.

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