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Abstract #2746

Segment and sexual variation of myocardium in T1 mapping and extracellular volume fraction with cardiovascular magnetic resonance in healthy volunteers

Yukun Cao1, Yue Cui1, Xiangchuang Kong1, Shan Zhang1, Xu Yan2, and Heshui Shi1

1Department of Radiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wu Han, People's Republic of China, 2MR Collaboration NE Asia, Siemens Healthcare, Shanghai, China

This study aimed to evaluate sex and segment differences of myocardium in native T1 value and ECV in healthy volunteers. We measured native T1 value of 425 segments and ECV of 424 segments. The results showed that myocardial ECV of females was higher than that of males in basal, middle and apical segments. The ECV of the apical segments was higher than in the basal and middle segments. The mean native T1 value and ECV were not associated with age, ejection function(EF), end diastolic volume(EDV), end systolic volume(ESV), and stroke volume(SV).

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