Meeting Banner
Abstract #1400

Improvements in Cardiac MRI at 3T Using High Permittivity Materials

Wyger M. Brink1, Andrew Webb1

1Radiology, Leiden University Medical Center, Leiden, Netherlands, Zuid-Holland, Netherlands

High permittivity pads are shown to improve the transmit efficiency, B1 homogeneity and CNR in bSSFP imaging significantly, resolving RF related artifacts commonly encountered in functional cardiac imaging at 3T. The proposed solution is shown to outperform dual-transmit RF shimming.

Keywords

abdominal acquisitions additionally anterior aqueous array artifacts assessed audience axis balanced barium black blood body brink cardiac channel cine clinicians coil college commercial commonly configurations consent contrast converted coronary degrees dense designed determined deviation dielectric dividing double drawn driven dual effective efficiency either eleven encoding encountered equipped evaluation example female free functional gated global healthy heart homogeneity implemented improve improvement improvements improving indicated indicates indicating informed introducing limits local long male manually maps materials measured medical mode much noise nominal numerically outperform package pads paired place planned plots pool posterior power precession previous proposed pulse quadrature quality radiology reception recorded reduce reduction related remaining required researchers resolution resolving root saturated scanned sense sensitivity sensor septum shimmed shimming short shorter shortest sided significance significantly simulation smaller solution square statistical steady substantial superior suspension target technology titanate transmission transmit transverse typically upper view volunteers white written