Table 3 Echocardiographic parameters measured before the administration of surfactant (T0), and 2 hours (T1) and 24 hours (T2) after
T0 | T1 | T2 | p value | p value | p value | |
|---|---|---|---|---|---|---|
T0 vs T1 | T0 vs T2 | T1 vs T2 | ||||
AT/RVET | 0.25 ± 0.05 | 0.30 ± 0.06 | 0.33 ± 0.06 | 0.066 | 0.001 | 0.011 |
Left ventricle | ||||||
E (cm/sec) | 40.84 ± 11.84 | 40.24 ± 4.63 | 45.85 ± 15.56 | 0.953 | 0.272 | 0.374 |
A (cm/sec) | 51.13 ± 14.98 | 49.47 ± 7.79 | 52.12 ± 14.2 | 0.260 | 0.925 | 0.260 |
E/A | 0.81 ± 0.13 | 0.83 ± 0.13 | 0.88 ± 0.17 | 0.192 | 0.300 | 0.314 |
LVO (ml/Kg/min) | 204.13 ± 65.24 | 210.89 ± 76.42 | 227.91 ± 77.41 | 0.779 | 0.041 | 0.327 |
RVO (ml/Kg/min) | 220.82 ± 95.57 | 265.08 ± 65.88 | 256.86 ± 113.09 | 0.674 | 0.050 | 0.889 |
Left ventricle | ||||||
S’ | 3.26 ± 0.51 | 3.50 ± 0.64 | 3.52 ± 0.67 | 0.085 | 0.372 | 0.953 |
E’ | 4.75 ± 1.01 | 4.59 ± 0.77 | 5.02 ± 1.54 | 0.406 | 0.593 | 0.086 |
A’ | 4.16 ± 1.13 | 4.56 ± 1.57 | 5.05 ± 2.04 | 0.314 | 0.124 | 0.260 |
Right ventricle | ||||||
S’ | 4.64 ± 0.75 | 4.60 ± 1.05 | 5.27 ± 0.87 | 0.859 | 0.035 | 0.260 |
E’ | 5.47 ± 1.12 | 5.67 ± 1.12 | 6.24 ± 1.69 | 0.214 | 0.198 | 0.515 |
A’ | 6.88 ± 1.37 | 7.08 ± 1.78 | 7.48 ± 0.97 | 0.678 | 0.272 | 0.374 |
Left ventricle | ||||||
E/E’ | 8.77 ± 2.46 | 8.98 ± 1.60 | 9.48 ± 3.06 | 0.953 | 0.509 | 0.767 |
TAPSE (cm) | 0.72 ± 0.17 | 0.73 ± 0.12 | 0.85 ± 0.13 | 0.767 | 0.002 | 0.008 |