Why the study?
Does Left ventricular outflow tract velocity time integral outperform ejection fraction and Doppler-derived cardiac output for predicting adverse outcomes in a select advanced heart failure cohort?
Does Left ventricular outflow tract velocity time integral outperform ejection fraction and Doppler-derived cardiac output for predicting adverse outcomes in a select advanced heart failure cohort?
Extremely low LVOT VTI is a superior predictor of adverse outcomes compared to ejection fraction and Doppler-derived cardiac output in advanced heart failure, helping identify candidates for advanced therapies.
May aid risk stratification in advanced HF; hypothesis-generating and requires prospective validation before guiding therapy.
Extremely low LVOT VTI strongly predicts adverse outcomes and identifies patients who may benefit most from advanced heart failure therapies.
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Tan et al. (2017) studied this question.
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