Konstantinos Papoutsis1,
James A. Meakin1, Aaron T. Hess2, Jamie Near3,
Stephen J. Payne4, David Edwards4, Peter Jezzard1
1FMRIB
Centre, University of Oxford, Oxford, Oxfordshire, United Kingdom; 2Department
of Cardiovascular Medicine , University of Oxford, Oxford, Oxfordshire,
United Kingdom; 3McGill Univeristy, Montreal, Quebec, Canada; 4Department
of Engineering Science, University of Oxford, Oxford, Oxfordshire, United
Kingdom
In this study, a 4-channel neck array has been constructed and used at 7 Tesla as a tagging coil for the pCASL sequence. A comparison of the tagging efficiency and SAR was made between tagging with a 1Tx/32Rx head coil vs tagging with the neck array. Electromagnetic characterization of the neck coil helped to address local SAR risk by estimating the worst case transmission pattern.