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Improving FLAIR SAR efficiency at 7T by adaptive tailoring of adiabatic pulse power through deep learning B 1 + estimation.

Shahrokh Abbasi-RadKieran O'BrienSamuel KellyViktor VeghAnders RodellYasvir TesiramJin JinMarkus BarthSteffen Bollmann
Published in: Magnetic resonance in medicine (2020)
We propose a SAR reduction technique based on the estimation of B 1 + profiles from standard localizer scans using a CNN and show that scaling the inversion pulse power slice-by-slice for FLAIR sequences at 7T reduces SAR and scan time without compromising image quality.
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