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Correlation between tissue Doppler-derived left ventricular systolic velocity (S') and left ventricle ejection fraction in sepsis and septic shock: a retrospective cohort study.

Sanchit ChawlaRyota SatoAbhijit DuggalMahmoud AlwakeelDaisuke HasegawaDina AlayanPatrick CollierFilippo SanfilippoMichael LanspaSiddharth Dugar
Published in: Journal of intensive care (2023)
Even though mitral S' and LVEF may be related, they are not exchangeable and were only found to have moderate correlation in this study. LVEF is U-shaped, while mitral S' has a linear relation with 28-day ICU mortality. An increase in average mitral S' was associated with higher 28-day mortality.
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