Table 2 Respiratory and microcirculatory data for model 2 (bowel O2 administration)
From: Exploring alternative routes for oxygen administration
Baseline | 30 min | 120 min | 240 min | |
|---|---|---|---|---|
Respiratory rate (n/min) | ||||
Bowel-O2 | 70 ± 3 | 81 ± 3* | 81 ± 3* | 82 ± 2* |
Controls | 69 ± 4 | 83 ± 4** | 86 ± 5*** | 81 ± 7** |
PaCO2 (kPa) | ||||
Bowel-O2 | 4.7 ± 0.1 | 3.5 ± 0.1*** | 3.4 ± 0.1*** | 2.8 ± 0.2*** |
Controls | 4.7 ± 0.2 | 3.5 ± 0.1*** | 3.2 ± 0.1*** | 2.8 ± 0.1*** |
pH | ||||
Bowel-O2 | 7.47 ± 0.01 | 7.54 ± 0.01*** | 7.57 ± 0.01*** | 7.53 ± 0.04*** |
Controls | 7.47 ± 0.01 | 7.55 ± 0.01*** | 7.56 ± 0.01*** | 7.58 ± 0.01*** |
Perfused vessel density (mm/mm2) | ||||
Bowel-O2 | 20.8 [14.9–21.1] | 21.2 [17.7–23.1] | 21.0 [18.6–22.1] | 18.5 [17.1–19.5] |
Controls | 19.9 [18.2–23.3] | 20.0 [18.1–23.8] | 18.0 [16.5–22.0] | 17.9 [15.7–18.7] |