Abstract #3809

Accelerated hyperpolarized 13C MRI using 23Na coil sensitivity mapping, proof of concept

James T. Grist^1,2,3, Juan Diego Sanchez⁴, Nikolaj Bøgh⁵, Esben Søvsø Szocska Hansen⁵, Jan Henrik Ardenkjær-Larsen⁶, Damian J. Tyler^1,2, and Christoffer Laustsen⁵

¹Physiology, Anatomy, and Genetics, University of Oxford, Oxford, United Kingdom, ²Oxford Centre for Magnetic Resonance, University of Oxford, Oxford, United Kingdom, ³Radiology, Oxford NHS Foundation Trust, Oxford, United Kingdom, ⁴Health Technology, Danish Technical University, Copenhagen, Denmark, ⁵Aarhus University, Aarhus, Denmark, ⁶Danish Technical University, Copenhagen, Denmark

Multi-channel acceleration of hyperpolarised 13C MRI is hindered by a lack of prior coil sensitivity profile knowledge. Here we harness a 13C tuned flexible multi-channel array to provide subject specific coil sensitivity measurements from 23Na and subsequent SENSE reconstruction of under-sampled hyperpolarised imaging data.

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