Keywords: Myocardium, Cardiomyopathy, T1mapping;feature tracking;strain
Motivation: Left ventricular hypertrophy（LVH）is a common manifestation of many cardiac diseases, including myocardial amyloidosis (CA), hypertrophic cardiomyopathy (HCM), among others. Clinical diagnosis of the etiology of LVH has some difficulties
Goal(s): Differences in myocardial T1 values and left atrial strain between CA and HCM patients remain unclear
Approach: In this study, T1mapping and feature tracking based on left atrial were applied to identify CA and HCM
Results: Results illustrated that T1 values and left atrial strain were significantly different between CA and HCM. T1 mapping combined with left atrial reservoir function (Εs) could effectively distinguish CA from HCM.
Impact: T1mapping and feature tracking techniques, as emerging imaging techniques in cardiac magnetic resonance(CMR) in recent years, have been widely used in the study of various myocardial diseases because they do not require the injection of contrast agents.
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