Abstract
Mitral valve E-point to septal separation (EPSS) measurement by cardiac magnetic resonance imaging as a quantitative surrogate of left ventricular ejection fraction (LVEF)
Highlights
Using Echocardiography, the E-point to septal separation (EPSS) is a straightforward approach that reflects LV function, but its use has been limited to echocardiography technique, without solid quantitative correlation to left ventricular ejection fraction (LVEF)
Using Echocardiography, the EPSS is a straightforward approach that reflects LV function, but its use has been limited to echocardiography technique, without solid quantitative correlation to LVEF
We divided patients into two groups according to presence or absence of fibrosis on delayed hyperenhancement MRI study
Summary
Using Echocardiography, the EPSS is a straightforward approach that reflects LV function, but its use has been limited to echocardiography technique, without solid quantitative correlation to LVEF. It may cause underestimation of EF due to endocardial echo dropout. Cardiac MRI has a better spatial resolution than echocardiography, and is characterized by superior endocardial border definition, facilitating more accurate assessment of structural borders. The MRI LVEF by Simpson’s method is widely considered the most accurate and most reliable method for quantifying the LVEF. Assessment of EPSS by CMRI seems very attractive and simple measurement, which can be an additional standard tool in clinical MRI report for quantitative evaluation of LV function. We divided patients into two groups according to presence or absence of fibrosis on delayed hyperenhancement MRI study
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