Though echocardiographic evaluation assesses the right ventricular systolic function, which of the existing parameters best reflects the right ventricular ejection fraction (RVEF) in the critically ill patients is still uncertain.

We aimed to determine the relationship between echocardiographic indices of right ventricular systolic function and RVEF.

Prospective observational study was conducted in a mixed French Surgical ICU from November 2017 to November 2018.

All critically ill patients monitored with a pulmonary artery catheter were assessed.

25 patients were analyzed.

Admission diagnosis was acute heart failure in 11 patients and septic shock in 14 patients.

Median age was 70 years, norepinephrine median dose was 0.29 μg/kg/min, median Sequential Organ Failure Assessment score was 12, and mortality at day 28 was 56%.

Amongst indices of right ventricular systolic function, TAPSE and S’ were well correlated with thermodilution-derived RVEF in critically ill patients.

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