Abstract #4218

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

Kieran 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.