During hypertrophic cardiomyopathy (HCM), left ventricular (LV) diastolic dysfunction is regarded as one of the primary mechanisms responsible for the main adverse cardiovascular events (MACEs). Early evaluation of LV diastolic function is of great importance to risk stratification and management optimization in HCM patient populations. Our study indicated that the cardiac magnetic resonance tissue tracking (CMR-TT)–derived longitudinal global diastolic strain rate (PDSR) is a novel and easy-to-perform index for evaluating LV diastolic dysfunction and predicting adverse outcomes in HCM patient populations, which would also be beneficial for risk stratification.
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