Abstract #3612

Simultaneous Multi-slice Cardiac MR Multitasking for Motion-Resolved, Non-ECG, Free-Breathing Joint T1-T2 Mapping

Xianglun Mao¹, Hsu-Lei Lee¹, Sen Ma¹, Zhehao Hu^1,2, Fei Han³, Yibin Xie¹, Debiao Li^1,2, and Anthony G Christodoulou^1,2

¹Biomedical Imaging Research Institute, Cedars-Sinai Medical Center, Los Angeles, CA, United States, ²Department of Bioengineering, University of California in Los Angeles, Los Angeles, CA, United States, ³Siemens Medical Solutions Inc., Los Angeles, CA, United States

Cardiac MR Multitasking has been shown to acquire simultaneous T1 and T2 maps without ECG or breath-holds. Simultaneous multi-slice (SMS) acquisition has the potential to increase the clinical value of CMR by decreasing the exam time. In this work, we developed an SMS, non-ECG and free-breathing MR Multitasking technique and demonstrated that it had consistent T1, T2 measurements when compared with the overall-slower series of reference protocols (MOLLI, T2-prep FLASH).

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