Table 2.
Blood Analysis Data (Mean ± SEM) for Estradiol- versus Vehicle-treated Ovariectomized Wild-type Mice
| Parameter | Vehicle (N = 5) |
Estradiol (N = 5) |
|---|---|---|
| pH | ||
| Baseline | 7.3 ± 0.0 | 7.3 ± 0.0 |
| 5-min recovery | 6.6 ± 0.0 | 6.6 ± 0.0 |
| 15-min recovery | 6.8 ± 0.0 | 6.7 ± 0.1 |
| Paco2, mmHg | ||
| Baseline | 52 ± 2 | 47 ± 1 |
| 5-min recovery | 78 ± 5 | 86 ± 4 |
| 15-min recovery | 50 ± 4 | 51 ± 5 |
| Pao2, mmHg | ||
| Baseline | 286 ± 15 | 288 ± 15 |
| 5-min recovery | 358 ± 32 | 281 ± 30 |
| 15-min recovery | 462 ± 29 | 423 ± 56 |
| Bicarbonate, mEq/L | ||
| Baseline | 21 ± 1 | 21 ± 1 |
| 5-min recovery | 8.0 ± 0 | 7.7 ± 1 |
| 15-min recovery | 7.0 ± 1 | 6.9 ± 1 |
| Hemoglobin, mg/dL | ||
| Baseline | 14.1 ± 0.2 | 14.3 ± 0.2 |
| 5-min recovery | 12.1 ± 0.4 | 11.7 ± 0.7 |
| 15-min recovery | 11.8 ± 0.5 | 12.1 ± 0.7 |
Arterial blood analysis data from ovariectomized estrogen- and vehicle-treated mice. Arterial blood was obtained from the femoral artery in animals that underwent placement of arterial catheters but not cardiac arrest (“baseline”), and in animals that underwent cardiac arrest, 5 min after return of spontaneous circulation, and 15 min after return of spontaneous circulation. Values were similar for all parameters across groups. Data presented are mean ± SEM. SEMs of “0” and “0.0” resulted from rounding to appropriate significant digits.
Paco2 = arterial carbon dioxide tension; Pao2 = arterial oxygen tension.