Abstract #1081

MR Multitasking based Multi-dimensional Assessment of Cardiovascular System (MT-MACS) Technique: Feasibility on the Thoracic Aorta

Zhehao Hu^1,2, Anthony G. Christodoulou¹, Nan Wang^1,2, Shlee S. Song³, Marcel M. Maya⁴, Mariko L. Ishimori⁵, Lindsy J. Forbess⁵, Jiayu Xiao¹, Xiaoming Bi⁶, Fei Han⁶, Debiao Li^1,2,7, and Zhaoyang Fan^1,2,7

¹Biomedical Imaging Research Institute, Cedars-Sinai Medical Center, Los Angeles, CA, United States, ²Bioengineering Department, University of California, Los Angeles, Los Angeles, CA, United States, ³Department of Neurology, Cedars-Sinai Medical Center, Los Angeles, CA, United States, ⁴Department of Imaging, Cedars-Sinai Medical Center, Los Angeles, CA, United States, ⁵Department of Rheumatology, Cedars-Sinai Medical Center, Los Angeles, CA, United States, ⁶Siemens Healthineers, Los Angeles, CA, United States, ⁷Department of Medicine, University of California, Los Angeles, Los Angeles, CA, United States

Thoracic aortic diseases are one of the most common causes of cardiovascular morbidity and mortality, where imaging plays a central role in diagnosis. As a noninvasive technique, MR imaging has the potential to provide a comprehensive evaluation of the thoracic aorta from various aspects. However, clinical adoption of this modality is hindered by several limitations, i.e. long scan time and cumbersome setup for accommodating motion during data acquisition. In this work, we present an MR MultiTasking based 3D Multi-dimensional Assessment of Cardiovascular System (MT-MACS) technique that allows for ECG- and navigator-free thoracic aortic imaging within 6 minutes.

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