Table 1.
Baseline Characteristics of Subjects
| Variable | ETCO2 Group | Standard Group | p |
|---|---|---|---|
| Weight (kg) | 3.51 ± 0.6 | 3.57 ± 0.5 | 0.78 |
| ETCO2 (torr) | 45 ± 4.4 | 46 ± 3.1 | 0.56 |
| DBP (mmHg) | 64 ± 11 | 66 ± 13 | 0.59 |
| MAP (mmHg) | 78 ± 12 | 79 ± 15 | 0.87 |
| CVP (mmHg) | 12 ± 2.0 | 11 ± 1.5 | 0.4 |
| SPP (mmHg) | 66 ± 12 | 68 ± 15 | 0.60 |
| ICP (mmHg) | 14 ± 3.0 | 13 ± 1.5 | 0.47 |
| CPP (mmHg) | 64 ± 12 | 66 ± 16 | 0.78 |
| HR (beats/min) | 206 ± 37 | 225 ± 43 | 0.21 |
| pHa | 7.38 ± 0 | 7.37 ± 0 | 0.67 |
| pHv | 7.35 ± 0 | 7.32 ± 0 | 0.07 |
| PaCO2 (torr) | 39 ± 2.9 | 40 ± 4.4 | 0.74 |
| PvCO2 (torr) | 45 ± 2.0 | 45 ± 4.3 | 0.69 |
| PaO2 (torr) | 86 ± 13 | 90 ± 30 | 0.68 |
| PvO2 (torr) | 40 ± 5.7 | 46 ± 16 | 0.22 |
| BEa | −1.6 ± 2.1 | −0.7 ± 4.9 | 0.51 |
| BEv | −0.9 ± 2.7 | −2.3 ± 3.3 | 0.26 |
| SaO2 (%) | 97 ± 2.3 | 95 ± 3.6 | 0.11 |
| SvO2 (%) | 62 ± 15 | 60 ± 16 | 0.73 |
| Hb (g/dL) | 7.6 ± 1.7 | 8.4 ± 1.4 | 0.19 |
| Temperature (°C) | 38.5 ± 0.5 | 38.6 ± 0.7 | 0.65 |
Data are collected prior to asphyxia, separated by study group, and shown as mean ± SD.
BEa = base excess arterial; BEv = base excess venous; CPP = cerebral perfusion pressure; CVP = central venous pressure; DBP = diastolic blood pressure; ETCO2 = end-tidal carbon dioxide; Hb = hemoglobin; HR = heart rate; ICP = intracranial pressure; MAP = mean arterial blood pressure; SPP = systemic perfusion pressure; pHa = arterial pH; pHv = venous pH; SaO2 = arterial oxygen saturation; SvO2 = venous oxygen saturation.