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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