Sham | CLP | |||
4 h | 20 h | 4 h | 20 h | |
Pa,O2 mmHg | 95.5±1.6 | 94.5±1.3 | 93.2±2.2 | 82.7±3.4**,# |
Pa,CO2 mmHg | 33.2±0.7 | 36.9±0.8# | 34.1±1.0 | 39.9±1.4# |
O2 saturate % | 95.4±0.6 | 95.8±0.6 | 94.3±0.7 | 92.5±0.7** |
PAa,O2 | 12.5±1.4 | 8.8±1.2 | 14.5±2.0 | 17.9±3.3* |
MAP mmHg | 118±2 | 124±2 | 114±3 | 116±3* |
HR beats·min−1 | 343±8 | 338±7 | 335±7 | 372±14*,# |
RR breaths·min−1 | 91±2 | 94±2 | 92±1 | 106±4**,# |
Lactate mmol·L−1 | 0.61±0.03 | 0.62±0.03 | 0.69±0.02 | 1.0±0.07**,# |
Data presented as mean±sd, n = 15. CLP: caecal ligation and perforation; Pa,O2: arterial oxygen tension; Pa,CO2: carbon dioxide arterial tension; PAa,O2: alveolar-arterial oxygen tension difference; MAP: mean arterial pressure; HR: heart rate; RR: respiratory rate. *: p<0.05, **p<0.01 versus sham; #: p<0.01 versus 4-h time point.