Abstract #0274

3D Joint Reconstruction of Non-Contrast and Contrast-Enhanced CMR Multitasking

Xianglun Mao¹, Hsu-Lei Lee¹, Alan C Kwan^1,2, Tianle Cao^1,3, Fei Han⁴, Yibin Xie¹, Debiao Li^1,3, and Anthony Christodoulou^1,3

¹Biomedical Imaging Research Institute, Cedars-Sinai Medical Center, Los Angeles, CA, United States, ²Smidt Heart Institute, Cedars-Sinai Medical Center, Los Angeles, CA, United States, ³Department of Bioengineering, University of California in Los Angeles, Los Angeles, CA, United States, ⁴Siemens Medical Solutions USA, Los Angeles, CA, United States

Synopsis

Cardiovascular MR (CMR) is used to acquire function, morphology, and composition of the heart which aids in clinical diagnosis and management. While measures such as ejection fraction, ventricular dimensions, and presence/pattern of late gadolinium enhancement (LGE) have stood the test of time as diagnostic pillars, newer quantitative tissue property measurements such as T1, T2, and extracellular volume (ECV) can characterize diffuse fibrosis, inflammation, or infiltration. The purpose of this study was to integrate multiple quantitative measurements into a single 20-min free-breathing, non-ECG, motion-resolved whole ventricular 3D acquisition using CMR Multitasking, including cardiac function, pre-contrast T1/T2, ECV, and LGE images.

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