Table 2 PTSR-related blood gas parameters in the bicarbonate supplementation and control groups under normoxia and hypoxia, and delta values
|  | PO2 [mmHg] | PCO2 [mmHg] | saO2 [%] | pHb | [HCO3−] [mmol/L] | BE [mmol/L] | ||
|---|---|---|---|---|---|---|---|---|
N O R | BIC | PRE PTSR | 99.6 ± 23.2 | 32.2 ± 10.7 | 97.6 ± 1.2 | 7.44 ± 0.04 | 21.7 ± 6.1 | −2.4 ± 5.6 |
POST PTSR | 94.4 ± 11.4 | 38.3 ± 4.8 | 95.8 ± 1.5 | 7.26 ± 0.02 | 17.4 ± 1.8 | −9.7 ± 1.9 | ||
DIFF PTSR | −5.2 ± 30.1 | 6.1 ± 11.0 | − 1.8 ± 2.2 | − 0.18 ± 0.04 | − 4.3 ± 6.0 | −7.3 ± 5.6 | ||
CON | PRE PTSR | 82.6 ± 7.9 | 38.7 ± 3.1 | 96.1 ± 1.4 | 7.42 ± 0.02 | 24.9 ± 1.3 | 0.3 ± 1.1 | |
POST PTSR | 90.2 ± 7.9 | 38.7 ± 3.8 | 95.5 ± 1.1 | 7.26 ± 0.02 | 17.6 ± 2.0 | − 9.5 ± 2.1 | ||
DIFF PSTR | 7.6 ± 9.7 | − 0.0 ± 2.9 | − 0.7 ± 1.6 | − 0.15 ± 0.04 | −7.3 ± 1.3 | − 9.8 ± 1.7 | ||
H Y P | BIC | PRE PTSR | 49.4 ± 2.5 | 31.6 ± 1.9 | 88.9 ± 1.7 | 7.52 ± 0.03* | 26.0 ± 2.1* | 3.2 ± 2.4* |
POST PTSR | 57.3 ± 5.4 | 30.6 ± 1.8 | 89.4 ± 2.8 | 7.40 ± 0.03* | 18.8 ± 1.2* | − 6.0 ± 1.6* | ||
DIFF PTSR | 7.8 ± 4.9 | − 1.0 ± 0.5 | 0.5 ± 2.6 | − 0.13 ± 0.01* | −7.2 ± 0.9 | − 9.2 ± 0.9 | ||
CON | PRE PTSR | 54.2 ± 5.1 | 28.4 ± 2.2 | 89.6 ± 3.0 | 7.46 ± 0.01 | 20.1 ± 1.3 | − 3.8 ± 1.2 | |
POST PTSR | 58.3 ± 3.3 | 28.4 ± 4.3 | 87.1 ± 1.6 | 7.29 ± 0.03 | 12.6 ± 1.5 | − 14.1 ± 1.9 | ||
DIFF PTSR | 4.0 ± 7.7 | 0.0 ± 3.2 | −2.6 ± 3.8 | − 0.17 ± 0.03 | −7.4 ± 1.6 | −10.3 ± 1.9 | ||
∆ | BIC | PRE PTSR | −50.2 ± 23.0 | −0.6 ± 10.8 | −8.7 ± 2.3 | 0.08 ± 0.06 | 4.4 ± 5.1* | 5.6 ± 4.3* |
POST PTSR | −37.2 ± 13.0 | − 7.7 ± 3.9 | −6.5 ± 2.9 | 0.14 ± 0.04 | 1.5 ± 1.6* | 3.7 ± 2.2* | ||
DIFF PTSR | 13.0 ± 27.0 | −7.0 ± 10.9 | 2.3 ± 1.6 | 0.06 ± 0.38* | − 2.9 ± 5.7 | −1.9 ± 5.4 | ||
CON | PRE PTSR | −28.3 ± 10.8 | − 10.4 ± 1.8 | −6.5 ± 3.6 | 0.04 ± 0.02 | −4.8 ± 0.6 | −4.1 ± 0.7 | |
POST PTSR | −31.9 ± 9.8 | − 10.3 ± 4.1 | −8.4 ± 2.2 | 0.02 ± 0.05 | − 4.9 ± 2.4 | −4.6 ± 3.0 | ||
DIFF PTSR | −3.6 ± 16.9 | 0.1 ± 4.0 | −1.9 ± 4.8 | −0.02 ± 0.05 | −0.1 ± 2.3 | −0.5 ± 3.1 | ||