Improved TSE imaging at ultrahigh field using nonlocalized efficiency RF shimming and acquisition modes optimized for refocused echoes (AMORE)

Purpose To develop and evaluate a novel RF shimming optimization strategy tailored to improve the transmit efficiency in turbo spin echo imaging when performing time‐interleaved acquisition of modes (TIAMO) at ultrahigh fields. Theory and Methods A nonlocalized efficiency shimming cost function is p...

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Veröffentlicht in:	Magnetic resonance in medicine 2022-10, Vol.88 (4), p.1702-1719
Hauptverfasser:	He, Xiaoxuan, Schmidt, Simon, Zbýň, Štefan, Haluptzok, Tobey, Moeller, Steen, Metzger, Gregory J.
Format:	Artikel
Sprache:	eng
Schlagworte:	B1 shimming body Brain Circular polarization Cost function Echoes Efficiency head Imaging In vivo methods and tests Knee MRI Neuroimaging Optimization parallel transmission prostate RF shimming TIAMO Torso TSE ultrahigh field
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