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Table 2 Echocardiography parameters in ARDS patients

From: Feasibility, reproducibility and diagnostic usefulness of right ventricular strain by 2-dimensional speckle-tracking echocardiography in ARDS patients: the ARD strain study

ParametersARDS cohort (n = 48)D28 ARDS survivors (n = 36)D28 ARDS Non-survivors (n = 12)Comparison survivors vs non-survivors
RV STE-derived parameters
 RV inferior LSS%− 19.2 ± 7.0− 19.1 ± 6.6− 19.8 ± 8.20.76
 RV lateral LSS%− 19.9 ± 6.4− 20.3 ± 6.1− 18.7 ± 7.50.49
 RV septal LSS%− 13.9 ± 4.1− 13.9 ± 3.6− 13.6 ± 5.30.80
 RV global LSS%− 17.7 ± 4.9− 17.7 ± 4.5− 17.4 ± 6.00.82
 RV global LSR s−1− 1.37 ± 0.46− 1.36 ± 0.45− 1.39 ± 0.520.87
RV conventional parameters
 TAPSE mm18.7 ± 5.019.6 ± 4.715.8 ± 5.00.02
 RV FAC%39.5 ± 9.239.5 ± 9.039.4 ± 9.60.98
 S’ cm s−112.7 ± 5.413.2 ± 5.911.1 ± 3.30.13
LV parameters    
 LVEF (Simpson’s method)%55.2 ± 11.656.8 ± 11.550.0 ± 10.70.09
 Cardiac output l min−15.7 ± 1.85.8 ± 1.55.4 ± 2.70.61
 E/e’8.2 ± 2.98.2 ± 2.78.1 ± 3.50.97
  1. Mean ± standard deviation
  2. Italic font indicates significant difference (p < 0.05)
  3. RV/LV right/left ventricle, STE speckle-tracking echocardiography, LSS longitudinal systolic strain, LSR longitudinal systolic strain rate, TAPSE tricuspid annular plane systolic excursion, FAC fractional area change, S′ peak systolic velocity of tricuspid annulus by pulsed wave Doppler tissue imaging, EF ejection fraction, E/e′ ratio between early mitral inflow velocity and mitral annular early diastolic velocity
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