Abstract #4701

Differential diagnosis for hypertrophic cardiomyopathy and hypertensive heart disease by layer-specific CMR strain analysis

Ningning Song¹, Weibin Dai¹, Tingting Liu¹, Yueyou Peng¹, Qianyu Hu¹, Kunkun Liu¹, Tianfeng Shi¹, Donglian Du¹, Xiaoqiong Li¹, Yueluan Jiang², and Yanfeng Meng¹

¹Taiyuan Central Hospital of Shanxi Medical University, Taiyuan, China, ²Siemens Healthineers Ltd., Beijing, China

Synopsis

Keywords: Heart, Cardiomyopathy

This study evaluated the left ventricle (LV) and right ventricle (RV) layer-specific (endocardium=Endo, epicardium=Epi, myocardium=Myo) strain of hypertrophic cardiomyopathy (HCM) and hypertensive heart disease (HHD). We also evaluated the ability of left atrium (LA) to differentiate HCM and HHD. The strain and strain rate were calculated from CMR. The difference of LV between HCM and HHD was endocardium. The difference of RV was free wall epicardium. The difference of LA was LA strain at conduit phase (LAS-cd). Combining the LV global circumferential strain rate of endocardium (GCSR-Endo) and LASR-cd can better differentiate HCM and HHD.

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