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Table 5 Results of blood gas analyses at intervals of 6 h

From: Influence of two different levels of intra-abdominal hypertension on bacterial translocation in a porcine model

Parameter Group 0 h 6 h 12 h 18 h 24 h Unit
pHab, IAP-30ab, 7.40 ± 0.07 7.38 ± 0.04 7.31 ± 0.09 7.28 ± 0.10 7.22 ± 0.13ab,  
  IAP-15ab, 7.43 ± 0.05 7.36 ± 0.10 7.47 ± 0.04 7.47 ± 0.05 7.46 ± 0.04  
  Controlab, 7.45 ± 0.09 7.45 ± 0.07 7.51 ± 0.04 7.48 ± 0.07 7.48 ± 0.05  
BEc IAP-30ab, 1.1 ± 4.3 -0.8 ± 2.5 -5.6 ± 6.8 -6.8 ± 5.9ab, -10.4 ± 4.6ab, mmol·L-1ab,
  IAP-15ab, -0.5 ± 4.1 -2.1 ± 3.8 3.0 ± 1.9 2.2 ± 2.9 1.1 ± 2.7 mmol·L-1ab,
  Controlab, 1.8 ± 2.3 3.2 ± 3.0 4.9 ± 1.4 3.6 ± 2.0 3.7 ± 1.2 mmol·L-1ab,
PO2 IAP-30ab, 137.3 ± 30.8 124.7 ± 11.1 121.27 ± 23.5 116.0 ± 18.3 105.2 ± 31.0 mmHgab,
  IAP-15ab, 144.9 ± 17.1 141.2 ± 18.7 132.8 ± 9.7 135.6 ± 37.1 117.3 ± 40.1 mmHgab,
  Controlab, 131.5 ± 20.8 142.9 ± 23.1 128.5 ± 18.2 146.6 ± 32.7 130.4 ± 14.2 mmHgab,
PCO2 IAP-30ab, 41.6 ± 3.6 41.9 ± 4.5 37.2 ± 10.2 33.2 ± 11.9 31.1 ± 13.4 mmHgab,
  IAP-15ab, 35.5 ± 3.8 38.8 ± 5.9 37.6 ± 2.9 35.4 ± 4.9 34.6 ± 4.9 mmHgab,
  Control 38.4 ± 5.8 36.9 ± 7.0 36.7 ± 4.4 36.3 ± 7.5 37.1 ± 5.2 mmHgab,
  1. aSignificant difference from baseline according to paired t test: pH (IAP-30, 24 h: P = 0.017); BE (IAP-30, 18 h: P = 0.025). bSignificant difference from corresponding control according to unpaired t test: pH (IAP-30, 18 h: P = 0.005); BE (IAP-30, 18 h: P = 0.036). cSignificant change during 24 h according to ANOVA and post-hoc analysis: BE (P = 0.019). IAP-15/IAP-30: animals exposed to an IAP of 15 mmHg or 30 mmHg, respectively, lasting for 24 h (each group consisting of six animals).