Abstract #3628

Quantification of strain analysis in coronary chronic total occlusion: A cardiovascular magnetic resonance imaging follow-up study

Lijun Zhang¹, Jinfan Tian², Xueyao Yang², Jing An ³, Yi He⁴, and Xiantao Song²

¹Department of Radiology, Beijing AnZhen Hospital, Capital Medical University, Beijing, China, ²Department of Cardiology, Beijing AnZhen Hospital, Capital Medical University, Beijing, China, ³3Siemens Shenzhen Magnetic Resonance Ltd, Beijing, China, ⁴Department of Radiology, Beijing Friendship Hospital, Capital Medical University, Beijing, China

This study investigated the benefits of percutaneous coronary intervention (PCI) in patients with chronic total occlusions (CTOs) by using cardiac magnetic resonance imaging (CMR)-feature tracking (CMR-FT).The results showed the infarct size and LVEF did not increase significantly from baseline to 1 year of follow-up.However, global peak strains improved over time, and GCS showed significant treatment effect of CTO-PCI in the entire CMR population,which indicated improvement in left ventricular function.

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