Abstract #5580

Optimization of the order and spacing of the sequences to reduce the maximum SAR-induced temperature reached during an MRI examination

Giuseppe Carluccio^1,2 and Christopher Michael Collins^1,2

¹Radiology, Center for Advanced Imaging Innovation and Research (CAI2R), New York University, New York, NY, United States, ²Radiology, Bernard and Irene Schwartz Center for Biomedical Imaging, New York University, New York, NY, United States

We demonstrate that the maximum SAR-induced temperature in an examination can be lowered with strategic ordering of the sequences in the exam. Using numerical simulations, here we optimize the order of and time between sequences in a spine exam to minimize the maximum temperature reached in a human body model without increasing the duration of the exam. The optimized sequence has a maximum temperature 0.63 C lower than the original.

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