Table 3 Haemodynamic and respiratory gas modifications at the four time points of the study: whole study population
Time point | |||||
|---|---|---|---|---|---|
Parameter | Group | 1 | 2 | 3 | 4 |
HR (beats/min) | A | 60 ± 11 | 59 ± 11 | 60 ± 9 | 58 ± 8 |
B | 65 ± 11 | 63 ± 12 | 64 ± 12 | 62 ± 11 | |
MSP (mmHg) | A | 85 ± 17 | 81 ± 21 | 81 ± 18 | 84 ± 17 |
B | 88 ± 18 | 88 ± 20 | 88 ± 21 | 92 ± 20 | |
SVRI (dynes·s/cm5 per m2) | A | 2808 ± 577 | 2533 ± 507 | 2351 ± 602* | 2559 ± 539 |
B | 2610 ± 942 | 2720 ± 1057 | 2544 ± 879 | 2821 ± 780 | |
CI (l/min per m2) | A | 2.34 ± 0.5 | 2.42 ± 0.5 | 2.64 ± 0.5* | 2.5 ± 0.4 |
B | 2.67 ± 0.6 | 2.56 ± 0.5 | 2.74 ± 0.6 | 2.58 ± 0.5 | |
SVI (ml/beat per m2) | A | 39 ± 8 | 41 ± 8 | 44 ± 7* | 43 ± 9 |
B | 42 ± 11 | 41 ± 9 | 43 ± 10 | 42 ± 10 | |
MPP (mmHg) | A | 15 ± 4 | 15 ± 5 | 15 ± 4 | 16 ± 5 |
B | 15 ± 4 | 16 ± 5 | 15 ± 6 | 16 ± 7 | |
PCWP (mmHg) | A | 8 ± 3 | 9 ± 4 | 8 ± 3 | 8 ± 4 |
B | 7 ± 3 | 7 ± 3 | 6 ± 4 | 7 ± 4 | |
PVRI (dynes·s/cm5 per m2) | A | 233 ± 103 | 224 ± 67 | 215 ± 66* | 242 ± 80 |
B | 240 ± 127 | 285 ± 204 | 264 ± 168 | 277 ± 167 | |
CVP (mmHg) | A | 3 ± 2 | 4 ± 2 | 3 ± 1 | 4 ± 2 |
B | 2 ± 1 | 2 ± 1 | 2 ± 1 | 2 ± 1 | |
PaO2 (mmHg) | A | 80.3 ± 10 | 74.6 ± 12 | 71.6 ± 9* | 76.1 ± 12 |
B | 75.6 ± 12 | 72 ± 13 | 71.8 ± 12 | 71.3 ± 11 | |
SaO2 (%) | A | 95.8 ± 1.5 | 94.7 ± 2 | 94.2 ± 2* | 95 ± 2.4 |
B | 94.9 ± 2 | 94.1 ± 2.4 | 94.3 ± 2 | 94.3 ± 2 | |
PaCO2 (mmHg) | A | 38 ± 3 | 37 ± 3 | 38 ± 3 | 38 ± 3 |
B | 37 ± 3 | 37 ± 5 | 37 ± 5 | 37 ± 4 | |
Qsp/Qt (%) | A | 12 ± 5 | 17 ± 6 | 18 ± 6* | 14 ± 8 |
B | 15 ± 6 | 17 ± 8 | 17 ± 7 | 17 ± 6 | |