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Abstract #2110

Myocardial Structural and Velocity Analysis in Patients with Arrhythmias Post-Heart Transplantation

Roberto Sarnari1, Allison Blake1, Muhannad Aboud Abbasi1, Ashitha Pathrose1, Julie Blaisdell1, Alyssa Singer1, Kambiz Ghafourian2, Jane Wilcox2, Sadiya Khan2, Esther Vorovich2, Jonathan Rich2, Allen Anderson2, Clyde Yancy2, James Carr1, and Michael Markl1,3
1Radiology, Northwestern University, Chicago, IL, United States, 2Cardiology, Northwestern University, Chicago, IL, United States, 3Biomedical Engineering, Northwestern University, Evanston, IL, United States

Cardiac magnetic resonance including tissue phase mapping was performed in a cohort of heart transplanted (HTx) patients developing atrial arrhythmias or atrio-ventricular blocks: T1-T2-ECV values and 3-directional myocardial velocities were calculated and compared to the same parameters acquired in HTx patients with normal sinus rhythm during the follow up. Alterations in myocardial structural properties (increased T2) and cardiac dynamics were evidenced in cardiac grafts showing hyperkinetic arrhythmias or atrio-ventricular blocks.

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