Variable | CV1 | 4 Hz HFO | 4 Hz HFO-TGI | 7 Hz HFO | CV2 | Strategy Effect–p value | R2/(%) of variation explained |
---|---|---|---|---|---|---|---|
ES-eccentricity index | 1.38 ± 0.21 | 1.26 ± 0.10 a | 1.17 ± 0.13 a | 1.42 ± 0.17 b,c | 1.27 ± 0.19 d | < 0.001 | 0.77/(77%) |
RVEDA (cm2) | 14.9 ± 5.7 | 13.0 ± 4.3 | 12.4 ± 3.8 | 14.8 ± 5.3c | 13.6 ± 4.7 | 0.003 | 0.92/(92%) |
LVEDA (cm2) | 24.8 ± 7.7 | 23.4 ± 6.7 | 24.0 ± 6.6 | 23.1 ± 7.5 | 23.1 ± 6.6 | 0.22 | 0.91 (91%) |
FAC of the RV | 0.41 ± 0.08 | 0.41 ± 0.07 | 0.44 ± 0.07b | 0.35 ± 0.09a,b,c | 0.40 ± 0.09c | < 0.001 | 0.78/(78%) |
TAPSE (cm) | 1.97 ± 0.55 | 1.88 ± 0.47 | 2.04 ± 0.55b | 1.66 ± 0.48a,b,c | 1.96 ± 0.58d | < 0.001 | 0.90/(90%) |
PaO2/FiO2 | 139.1 ± 20.5 | 249.6 ± 53.6a | 246.4 ± 77.6a | 248.1 ± 78.0a | 155.0 ± 48.2b,c,d | < 0.001 | 0.53/(53%) |
ScvO2 (%) | 68.4 ± 4.7 | 74.4 ± 5.1a | 74.3 ± 5.1a | 74.2 ± 5.8a | 70.6 ± 4.2b,c,d | < 0.001 | 0.74 (74%) |
Arterial pH | 7.39 ± 0.09 | 7.42 ± 0.14 | 7.43 ± 0.14 | 7.29 ± 0.12a,b,c | 7.36 ± 0.09d | < 0.001 | 0.75/(75%) |
Shunt fraction | 0.34 ± 0.07 | 0.21 ± 0.07a | 0.23 ± 0.08a | 0.23 ± 0.10a | 0.35 ± 0.10b,c,d | < 0.001 | 0.66/(66%) |
Oxygenation Index | 16.1 ± 5.4 | 13.1 ± 4.2a | 12.7 ± 4.0a | 14.4 ± 6.8 | 14.1 ± 4.0 | 0.03 | 0.66/(66%) |
End-insp. Pplateau (cmH2O)e | 29.9 ± 4.5 | 27.9 ± 4.5a | |||||
End-exp. Pplateau (cmH2O)e | 16.4 ± 2.5 | 15.9 ± 2.3f | |||||
Driving pressure (cmH2O)e | 13.5 ± 3.7 | 12.0 ± 4.1a | |||||
C,rs (mL/cmH2O)e | 35.1 ± 11.5 | 41.6 ± 17.9a | |||||
MAP (kPa) | 10.9 ± 0.9 | 12.3 ± 1.4a | 12.0 ± 1.2a | 11.5 ± 1.2 | 11.4 ± 0.7 | 0.01 | 0.62/(62%) |
Heart rate (bpm) | 89.1 ± 18.8 | 90.0 ± 18.7 | 90.0 ± 19.0 | 99.1 ± 23.7b,c | 92.2 ± 21.0 | 0.002 | 0.88 (88%) |
CVP (kPa) | 1.7 ± 0.6 | 1.8 ± 0.5 | 1.8 ± 0.5 | 1.9 ± 0.5 | 1.7 ± 0.5 | 0.86g | |
Cardiac index (L/min/m2) | 3.25 ± 0.38 | 3.35 ± 0.29 | 3.43 ± 0.36 | 3.11 ± 0.40>c | 3.33 ± 0.34 | 0.009 | 0.61 (61%) |
Stroke volume index (mL/m2) | 38.3 ± 10.0 | 39.2 ± 10.8 | 40.4 ± 12.2 | 33.5 ± 10.1a,b,c | 38.2 ± 10.3d | 0.001 | 0.90 (90%) |
DO2I (mL/min/m2) | 363.6 ± 64.6 | 401.6 ± 525a | 407.5 ± 49.6a | 368.5 ± 74.7,c | 373.1 ± 59.1b,c | < 0.001 | 0.83 (83%) |
VO2I (mL/min/m2) | 103.8 ± 28.5 | 109.3 ± 26.7 | 109.3 ± 28.0 | 98.9 ± 34.6 | 99.2 ± 30.6 | 0.11 | 0.70 (70%) |
SVRI (dynes/cm5/s/m2)/ | 1744 ± 408 | 1911 ± 373 | 1820 ± 364 | 1905 ± 370 | 1783 ± 322 | 0.07 | 0.82 (82%) |