Abstract #2071

Cardiac Remodeling After Military Endurance Training: A Preliminary Study of Cardiac MRI Cine

Hongqin Liang¹, Liqiang Zhu², Bing Ji¹, Qing Li³, Xiaoyue Zhou⁴, and Jian Wang¹

¹Southwest Hospital, Army Medical University, Chongqing, China, ²The Central Theater Command Air Force Hospital of PLA, Datong, China, ³Siemens Healthineers Ltd., Shanghai, China, ⁴Siemens Healthcare Ltd, Shanghai, China

Long-term military training leads to the remodeling of the heart and may cause exercise-induced myocardial injury (EIMI). The mechanism of heart remodeling is studied by using cardiac cine MRI to estimate left ventricular cardiac function and global stress. This study found that prolonged and intensive training lasting 4 years leads to cardiac morphological adaptations. Contrary to conventional thinking, left ventricular function changes happens earlier than the mechanical direction.

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