Table 6.
Blood gas and hemoglobin levels of piglets in hypertensive groups
| Parametera | Group (n=8) | Baseline | Hypoxia 42 mins | Asphyxia 5 mins | ROSC 1 hrs | ROSC 3 hrs | ROSC 6 hrs |
|---|---|---|---|---|---|---|---|
| pH | NT arrest | 7.49±0.05 | 7.30±0.13 | 6.83±0.11 | 7.49±0.07 | 7.47±0.09 | 7.49±0.05 |
| HT arrest | 7.44±0.02 | 7.28±0.08 | 6.82±0.05 | 7.39±0.08* | 7.47±0.06 | 7.40±0.05* | |
| NT sham | 7.46±0.09 | N/A | N/A | 7.44±0.05 | 7.43±0.05 | 7.46±0.05 | |
| HT sham | 7.45±0.06 | N/A | N/A | 7.46±0.06 | 7.42±0.05 | 7.41±0.04* | |
| PaCO2 | NT arrest | 37±3 | 43±7 | 101±17 | 37±5 | 43±5 | 40±5 |
| HT arrest | 38±3 | 42±10 | 100±17 | 38±7 | 40±4.9 | 45±8 | |
| NT sham | 41±8 | N/A | N/A | 43±8 | 44±13 | 40±4 | |
| HT sham | 42±7 | N/A | N/A | 40±6 | 42±4 | 44±5 | |
| PaO2 | NT arrest | 234±21 | 26±4 | 16±5 | 218±40 | 207±25 | 221±11 |
| HT arrest | 229±16 | 25±6 | 15±6 | 193±44 | 241±40 | 229±35 | |
| NT sham | 228±26 | N/A | N/A | 218±25 | 219±26 | 233±27 | |
| HT sham | 222±33 | N/A | N/A | 216±41 | 261±52 | 260±46 | |
| Hb | NT arrest | 6.8±1.6 | 7.9±2.3 | 8.1±2.6 | 6.4±0.8 | 6.7±1.1 | 6.3±1.6 |
| HT arrest | 8.0±1.8 | 8.2±1.7 | 8.0±1.8 | 7.3±1.0 | 8.8±2.3 | 8.9±1.6* | |
| NT sham | 7.1±2.1 | N/A | N/A | 7.7±1.9 | 7.4±1.6 | 7.1±1.3 | |
| HT sham | 6.1±2.0 | N/A | N/A | 6.6±2.6 | 7.0±2.0 | 7.2±1.6 |
a
Temperature-corrected blood gases presented during hypothermia. Hb, hemoglobin; HT, hypothermic; NT, normothermic; ROSC, return of spontaneous circulation; N/A, not applicable.
*
p<0.05 from normothermic group