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Abstract #4218

Improving the Inversion Efficiency in Regions of Low γB1 for Whole Brain Acquisitions

MAGNA25Kieran O'Brien1, 2, Jean Delacoste1, Jose Marques1, Tobias Kober3, Francois Lazeyras2, Rolf Gruetter1, Gunnar Krueger3

1LIFMET-CIBM, Ecole Polytechnique Fdral de Lausanne, Lausanne, Switzerland; 2Department of Radiology-CIBM, Universit de Genve, Geneva, Switzerland; 3Advanced Clinical Imaging Technology, Siemens Suisse, Switzerland

In whole brain acquisitions, such as MP2RAGE, large ΔB0 offsets or regions of low γB1 can suffer from poor inversion. Optimisation of adiabatic pulses to work at lower γB1, allows for better inversion profiles extending the coverage of whole brain acquisitions.