Physiologic parameters for animals of group B (MCA occlusion, no blood donation)
| Parameter | Baseline | 30 min Post-MCA Occlusion | 30 min Post-reperfusion |
|---|---|---|---|
| AOPmax (mmHg) | 124 ± 10.5 | 112 ± 12* | 110 ± 10* |
| AOPmin (mmHg) | 89 ± 11 | 78 ± 7* | 78 ± 14* |
| Heart rate (beats/min) | 210 ± 24 | 214 ± 23* | 222 ± 19* |
| Blood pH | 7.37 ± 0.05 | 7.40 ± 0.03 | 7.38 ± 0.01 |
| Pco2 (mmHg) | 36.3 ± 1.4 | 42.0 ± 3.5 | 35.4 ± 1.5 |
| Po2 (mmHg) | 105.8 ± 19.2 | 113.1 ± 28.3 | 107.8 ± 16.4 |
| HCO3− (mM/L) | 22.0 ± 2.4 | 23.6 ± 4.8 | 24.8 ± 3.8 |
| SO2 (%) | 96.0 ± 1.3 | 94.4 ± 1.3 | 95.2 ± 2.4 |
| Hematocrit (%) | 40.2 ± 4.6 | 34.8 ± 5.9* | 27.1 ± 7.5* |
| K+ (mM/L) | 3.6 ± 0.5 | 3.8 ± 0.3* | |
| Na+ (mM/L) | 141 ± 2.9 | 137 ± 0.8 | |
| Ca++ (mM/L) | 1.1 ± 0.08 | 1.2 ± 0.1 |
Note.—MCA indicates middle cerebral artery; AOPmax, maximal aortic pressure; AOPmin, minimal aortic pressure.
* P < .05 compared to baseline.