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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