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Abstract #3622

Quantitative Susceptibility Mapping for Mitral Annulus Calcification Detection via Validation of Computed Tomography/Echocardiography

Jiahao Li1,2, Hannah Mitlak3, Lakshmi Nambiar3, Romina Tafreshi3, Jiwon Kim3, Yi Wang1,2, Jonathan W. Weinsaft3, and Pascal Spincemaille2
1Biomedical Engineering, Cornell University, Ithaca, NY, United States, 2Radiology, Weill Cornell Medicine, New York, NY, United States, 3Medicine, Weill Cornell Medicine, New York, NY, United States

Mitral annulus calcification is common in patients with mitral regurgitation and impacts prognosis and response to mitral valve interventions. While cardiac MRI is widely used to assess MR, identification of MAC is a key gap in current cardiac MRI. Quantitative susceptibility mapping is an emerging MRI tissue characterization approach that is sensitive to calcium because it is strongly diamagnetic. Here, we demonstrate the feasibility of using cardiac QSM for detecting MAC in patients using Computed Tomography and Echocardiography as reference.

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