From: Intramucosal–arterial PCO2 gap fails to reflect intestinal dysoxia in hypoxic hypoxia
Parameter | Group | Basal | 30 minutes | 60 minutes | 90 minutes |
---|---|---|---|---|---|
Mixed venous–arterial PCO2 (mmHg) | IH | 8 ± 2 | 12 ± 3*† | 19 ± 5**†† | 25 ± 4**†† |
HH | 7 ± 2 | 7 ± 3 | 8 ± 3 | 9 ± 3 | |
SHAM | 5 ± 2 | 7 ± 3† | 6 ± 3‡‡ | 5 ± 3‡‡ | |
Mixed venous–arterial CO2 content (vol%) | IH | 4.3 ± 1.6 | 7.2 ± 4.8 | 10.9 ± 2.5*†† | 14.3 ± 3.6*†† |
HH | 4.6 ± 1.7 | 3.5 ± 1.4 | 3.4 ± 2.0 | 3.2 ± 1.0 | |
SHAM | 4.0 ± 4.8 | 5.7 ± 3.1 | 6.9 ± 2.1 | 2.7 ± 1.8‡‡ | |
Mesenteric venous–arterial PCO2 (mm Hg) | IH | 9 ± 4 | 12 ± 3*†† | 16 ± 4** | 19 ± 5††‡ |
HH | 9 ± 5 | 5 ± 3 | 20 ± 10 | 6 ± 2 | |
SHAM | 6 ± 3 | 5 ± 2‡‡ | 6 ± 1‡‡ | 5 ± 2‡‡ | |
Mesenteric venous–arterial CO2 content (vol%) | IH | 4.7 ± 1.2 | 7.2 ± 3.2 | 8.2 ± 2.4*†† | 9.8 ± 2.2*†† |
HH | 6.6 ± 5.7 | 3.8 ± 2.6 | 3.4 ± 2.4 | 3.4 ± 2.3 | |
SHAM | 3.0 ± 1.9 | 3.3 ± 1.1 | 5.4 ± 2.4 | 2.6 ± 1.8‡‡ | |
Intramucosal–arterial PCO2 (mmHg) | IH | 12 ± 10 | 19 ± 12*† | 32 ± 17**†† | 40 ± 13**††¶ |
HH | 13 ± 6 | 8 ± 8 | 13 ± 11 | 10 ± 13 | |
SHAM | 8 ± 5 | 11 ± 3‡ | 10 ± 4‡‡ | 9 ± 6‡‡ | |
Intramucosal–arterial CO2 content (vol%) | IH | 2.0 ± 0.4 | 2.4 ± 0.6†† | 2.8 ± 0.8*†† | 3.3 ± 0.8**†† |
HH | 2.0 ± 0.5 | 0.7 ± 0.8 | 0.9 ± 0.9 | 0.3 ± 1.2 | |
SHAM | 1.7 ± 0.4 | 1.9 ± 0.7 | 2.1 ± 0.9 | 1.7 ± 0.5‡ | |
Intramucosal Ph | IH | 7.24 ± 0.14 | 7.16 ± 0.16** | 7.01 ± 0.22** | 6.84 ± 0.21** |
HH | 7.26 ± 0.14 | 7.19 ± 0.13** | 7.10 ± 0.16** | 7.07 ± 0.18** | |
SHAM | 7.28 ± 0.06 | 7.26 ± 0.09 | 7.17 ± 0.08 | 7.25 ± 0.10§§ |