Abstract #2048

Navigator Gated Cardiac Quantitative Susceptibility Mapping for Differential Oxygen Saturation Quantification: Initial Validation via Invasive Catheterization

Yan Wen^1,2, Thanh Nguyen², Zhe Liu^1,2, Sarah Eskreis‐Winkler², Kofi Deh³, Evelyn M. Horn⁴, Harsimran Singh⁴, Jiwon Kim⁴, Yi Wang^1,2, Jonathan W. Weinsaft⁴, and Pascal Spincemaille²

¹Meinig School of Biomedical Engineering, Cornell University, New York, NY, United States, ²Radiology, Weill Cornell Medicine, New York, NY, United States, ³Radiology, Memorial Sloan Kettering Cancer Center, New York, NY, United States, ⁴Medicine, Weill Cornell Medicine, New York, NY, United States

The feasibility of measuring differential RV-to-LV oxygen saturation with cardiac quantitative susceptibility mapping (QSM) has been demonstrated in healthy volunteers; here, we present our initial validation of cardiac QSM based oxygenation measurement in patients through comparison with gold standard right heart catheter measurements.

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