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Abstract #4907

Initial Validation of Free-Breathing Navigator Gated Cardiac Quantitative Susceptibility Mapping via Comparison with Right Heart Catheterization Measurements

Yan Wen1,2, Thanh Nguyen2, Pascal Spincemaille2, Zhe Liu1,2, Javid Alakbarli3, Jiwon Kim4, Evelyn M. Horn4, Meridith P. Pollie4, Jonathan W. Weinsaft4, and Yi Wang1,2

1Meinig School of Biomedical Engineering, Cornell University, New York, NY, United States, 2Radiology, Weill Cornell Medicine, New York, NY, United States, 3Medicine, NewYork-Presbyterian, New York, NY, United States, 4Medicine, Weill Cornell Medicine, New York, NY, United States

Our previous work has shown the feasibility of measuring differential RV-to-LV oxygen saturation with cardiac quantitative susceptibility mapping (QSM) in healthy volunteers; in this work, we present our initial validation of cardiac QSM in patients by comparing the QSM-based measurements with gold standard right heart catheter measurements.

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