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Abstract #2738

CMR-Derived Regional T2, T1/ECV, Myocardial Velocities, and Dyssynchrony Influenced by Donor and Recipient Characteristics after Heart Transplantation

Ryan Dolan1, Amir Rahsepar1, Julie Blaisdell1, Allen Anderson2, Kambiz Ghafourian2, Esther Vorovich2, Jonathan Rich2, Jane Wilcox2, Clyde Yancy2, Jeremy Collins1, Michael Markl1, and James Carr1

1Radiology, Northwestern University, Chicago, IL, United States, 2Cardiology, Northwestern University, Chicago, IL, United States

Cardiac MRI is increasingly being used for cardiac allograft surveillance following transplantation, so it is important to investigate which recipient and donor characteristics influence several CMR parameters: global ventricular function, myocardial velocities, dyssynchrony, T2, native T1, and ECV. Notable associations with T2 included donor age, normalized recipient-donor age difference, and recipient weight. Peak diastolic longitudinal velocity was associated with donor age and cold ischemic time.

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