Table 2 Ventilatory and hemodynamic variables during the three hours of mechanical ventilation
VT20/ZEEP | Vt/kg (mL/L)* | PEEP (cmH2O)* | Ppeak (cmH2O)* | Pmean (cmH2O)* | Rrs* | Ers* | Syst AP(mmHg) | Diast AP (mmHg) | Mean AP (mmHg) |
|---|---|---|---|---|---|---|---|---|---|
Baseline | 19.5 (0.5) | 0.01 (0.04) | 19.5 (1.8) | 4.7 (0.3) | 0.22 (0.02) | 2.77(0.4) | 150 (37) | 126 (31) | 138 (34) |
30 min | 19.4 (0.7) | 0.01 (0.02) | 19.6 (1.7) | 4.7 (0.29) | 0.21 (0.03) | 2.80 (0.4) | 147 (31) | 125 (26) | 136 (27) |
60 min | 19.2 (0.6) | 0.01 (0.02) | 19.5 (1.6) | 4.7 (0.29) | 0.21 (0.02) | 2.84 (0.4) | 142 (30) | 120 (26) | 131 (27) |
90 min | 19.2 (0.8) | 0.01 (0.02) | 19.5 (1.7) | 4.7 (0.29) | 0.21 (0.03) | 2.84 (0.4) | 147 (25) | 125 (21) | 137 (22) |
120 min | 19.1 (0.8) | 0.01 (0.01) | 19.4 (1.5) | 4.3 (0.27) | 0.21 (0.03) | 2.86 (0.4) | 133 (29) | 113 (26) | 124 (27) |
150 min | 19.4 (1) | 0.02 (0.02) | 19.4 (1.5) | 4.7 (0.23) | 0.20 (0.03) | 2.82 (0.4) | 125 (28) | 106 (27) | 116 (27) |
180 min | 19.4 (1) | 0.02 (0.02) | 19.4 (1.5) | 4.7 (0.23) | 0.20 (0.02) | 2.83 (0.4) | 125 (27) | 106 (26) | 116 (26) |
VT10/PEEP3 | |||||||||
Baseline | 9.6 (0.3) | 3.3 (0.4) | 16.5 (1.7) | 6.0 (0.4) | 0.31 (0.08) | 4.03 (0.5) | 152 (30) | 128 (26) | 140 (27) |
30 min | 9.5 (0.9) | 3.3 (0.4) | 16.6 (1.3) | 6.0 (0.4) | 0.30 (0.08) | 4.13 (0.5) | 131 (21) | 111 (27) | 121 (26) |
60 min | 9.5 (1.2) | 3.3 (0.4) | 16.8 (1) | 6.1 (0.3) | 0.32 (0.17) | 4.18 (0.5) | 130 (12) | 109 (14) | 120 (13) |
90 min | 9.6 (1.2) | 3.3 (0.4) | 16.3 (1.5) | 6.0 (0.4) | 0.28 (0.05) | 4.07 (0.7) | 124 (19) | 104 (20) | 114 (20) |
120 min | 9.6 (1.2) | 3.3 (0.4) | 16.4 (1.3) | 6.0 (0.4) | 0.28 (0.05) | 4.15 (0.6) | 127 (20) | 106 (19) | 117 (19) |
150 min | 9.5 (1.2) | 3.3 (0.4) | 16.3 (1.2) | 6.0 (0.4) | 0.26 (0.04) | 4.15 (0.6) | 116 (16) | 96 (17) | 107 (16) |
180 min | 9.5 (1.1) | 3.3 (0.5) | 16.4 (1.0) | 6.0 (0.3) | 0.27 (0.04) | 4.22 (0.5) | 117 (24) | 95 (25) | 106 (25) |