Abstract #0991

Cardiovascular MRI–derived myocardial strain vs. extracellular volume fractions in asymptomatic heart transplant patients

Xuehua Shen¹, Yating Yuan², Xiaoyue Zhou³, Kelvin Chow⁴, Jens Wetzl⁵, and Bo Liang²

¹Department of Radiology, the Affiliated Hospital of Guizhou Medical University, Guiyang, China, China, ²Department of Radiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China, Wuhan , China, China, ³MR Collaboration, Siemens Healthineers Ltd., Shanghai, China, Shanghai, China, China, ⁴MR R&D, Siemens Medical Solutions Inc., Chicago, USA, Chicago, USA, IL, United States, ⁵Siemens Healthcare GmbH, Erlangen, Germany, Erlangen, Germany, Germany

Cardiac magnetic resonance imaging has excellent tissue resolution and can quantitatively evaluate myocardial deformations and tissue characteristics. In this study, heart transplant (HT) patients had changed myocardial strain (LCGLS, LVGCS, and LVGRS) and tissue parameters (T1, T2, and ECV). There were also moderate correlations between these two different measurements. We suggest that myocardial movement is related to myocardial edema and fibrosis, and myocardial strain measurements could be an alternative to ECV with gadolinium injections.

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