PEEP, cmH2O | 5 | 8 | 5 vs 8 | 12 | 5 vs 12 | 15 | 5 vs 15 |
---|---|---|---|---|---|---|---|
FRC, L | 1.0 (0.2) * | 1.0 (0.3) * | NS | 1.0 (0.3) * | NS | 1.0 (0.2) * | NS |
PaO2, mmHg | 213 (24) | 215 (21) * | NS | 212 (21) * | NS | 212 (23) | NS |
pPaw, cmH2O | 33 (4) * | 36 (4) * | < 0.001 | 38 (5) * | < 0.001 | 42 (4) * | < 0.001 |
mPaw, cmH2O | 13 (4) * | 16 (4) * | < 0.001 | 19 (4) * | < 0.001 | 22 (4) * | < 0.001 |
C dyn, ml/cmH2O | 13 (3) * | 13 (3) * | NS | 13 (4) * | NS | 12 (3) * | NS |
CO, L/min | 3.2 (1.0) | 2.6 (0.6) * | < 0.001 | 2.7 (0.9) | < 0.001 | 2.5 (0.8) | < 0.001 |
DO2, ml/min | 449 (161) | 367 (93) * | 0.035 | 377 (140) | 0.029 | 349 (124) | 0.005 |
SvO2, % | 58 (9) | 54 (14) | 0.007 | 53 (15) * | 0.02 | 52 (13) | 0.045 |
VO2, ml/min | 188 (38) | 179 (42) | NS | 183 (54) | NS | 165 (32) | NS |
MAP, mmHg | 78 (13) | 74 (18) | NS | 74 (15) * | NS | 76 (17) * | NS |
APP, mmHg | 52 (14) * | 48 (15) * | NS | 48 (15) | NS | 49 (17) | NS |
CVP, mmHg | 11 (3) * | 12 (2) * | NS | 13 (2) * | 0.012 | 17 (3) * | < 0.001 |
PAOP, mmHg | 9 (2) | 11 (4) * | 0.024 | 12 (2) * | 0.007 | 14 (3) * | < 0.001 |
HR, beats/min | 72 (10) | 78 (14) | NS | 76 (13) | NS | 80 (16) | NS |
SVR, dyn * s/cm5 | 1,771 (446) | 1813 (404) * | NS | 1,861 (490) * | NS | 1,891 (419) * | NS |
SV, ml | 44 (12) | 37 (14) * | 0.024 | 39 (18) | 0.037 | 33 (12) | 0.002 |