Table 1 Arterial pCO2, pO2, pH, HCO3−, base excess BE(b), oxygen saturation (SpO2), mean arterial blood pressure (MABP) and heart rate (HR) values during the 1st and 2nd stimulation with graded hypercapnia (mean ± SD) (n = 31).
From: NMDA attenuates the neurovascular response to hypercapnia in the neonatal cerebral cortex
1st stimulus | 2nd stimulus | |||||
|---|---|---|---|---|---|---|
Baseline | 5% CO2 | 10% CO2 | Baseline | 5% CO2 | 10% CO2 | |
pCO2 (mmHg) | 39 ± 6 | 63 ± 11 | 91 ± 14 | 42 ± 5 | 69 ± 7 | 99 ± 9 |
pO2 (mmHg) | 69 ± 9 | 79 ± 21 | 82 ± 26 | 67 ± 12 | 77 ± 25 | 82 ± 29 |
pH | 7.51 ± 0.06 | 7.32 ± 0.07 | 7.17 ± 0.05 | 7.48 ± 0.05 | 7.29 ± 0.06 | 7.15 ± 0.05 |
HCO3−(mmol/l) | 30.5 ± 3.7 | 32.2 ± 3.9 | 33.0 ± 3.9 | 31.1 ± 3.0 | 33.2 ± 2.8 | 34.4 ± 3.2 |
BE(b) (mmol/l) | 6.9 ± 3.6 | 5.1 ± 3.8 | 3.3 ± 3.6 | 7.0 ± 3.1 | 5.6 ± 3.1 | 4.0 ± 3.5 |
SpO2 | 97 ± 2 | 95 ± 4 | 94 ± 3 | 96 ± 3 | 94 ± 4 | 94 ± 4 |
MABP (mmHg) | 62 ± 9 | 70 ± 10 | 75 ± 14 | 55 ± 8 | 67 ± 11 | 74 ± 14 |
HR (bpm) | 139 ± 18 | 147 ± 28 | 161 ± 29 | 140 ± 17 | 149 ± 25 | 168 ± 29 |
