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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