Is a local Tx coil sufficient for guidewire safety in MRI

F Godinez, G Scott, JV Hajnal… - Proceedings of the 2021 …, 2021 - archive.ismrm.org
Imaging guidewires in MRI is known to have heating hazards associated. In this work we
show initial data that supports the use of local Tx coils over whole body coils for the safe
imaging of standard guidewires with MRI. This was tested in vitro using parallel transmit
(PTx) techniques to generate a scenario for a proper comparison between the two coil types.
It was found that a local Tx coil produces less heating at the guidewire tip, than a body coil
under comparable conditions.
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