Table 1.
Baseline characteristics of the study groups
| Variable | Group | p value | ||
|---|---|---|---|---|
| Control (n = 11) | Intra-arrest (n = 12) | Post-ROSC (n = 11) | ||
| Male, n (%) | 8 (72) | 6 (50) | 6 (54) | 0.51 |
| Weight, Kg | 47.9 (5.8) | 50.3 (6.2) | 51 (7.1) | 0.47 |
| Temperature, °C | 38.0 (0.8) | 37.8 (0.7) | 37.4 (0.8) | 0.19 |
| Arterial pH | 7.51 (0.03) | 7.49 (0.02) | 7.49 (0.02) | 0.36 |
| Arterial lactate, mmol/L | 1.3 (0.3) | 1.1 (0.2) | 1.5 (0.4) | 0.06 |
| Arterial glucose, g/dl | 112.5 (31.7) | 97.0 (16.3) | 106.8 (13.1) | 0.24 |
| P/F | 435.7 (57.3) | 454.3 (68.0) | 482.4 (69.7) | 0.25 |
| PaCO2, mmHg | 41.6 (3.1) | 43.0 (1.7) | 41.2 (4.0) | 0.34 |
| Na+, mmol/L | 133.4 (2.37) | 134.6 (3.5) | 135.9 (5.3) | 0.36 |
| K+, mmol/L | 3.8 (0.3) | 3.7 (0.1) | 3.7 (0.3) | 0.27 |
| Cl−, mmol/L | 100.7 (1.5) | 101.8 (2.2) | 103.2 (5.0) | 0.21 |
| Base excess, mEq/L | 9.0 (3.0) | 8.5 (1.1) | 7.7 (2.3) | 0.45 |
| Osmolarity, osm/L | 268.5 (3.2) | 269.7 (6.9) | 272.6 (10.2) | 0.43 |
| MAP, mmHg | 83 (12) | 89 (12) | 87 (11) | 0.57 |
| HR, bpm | 87 (14) | 105 (29) | 100 (22) | 0.22 |
| CVP, mmHg | 7.3 (3.2) | 6.6 (3.2) | 8.4 (3.3) | 0.47 |
| SvO2, % | 60.8 (7.9) | 63.3 (7.3) | 68.2 (6.9) | 0.15 |
| CO, L/min | 5.8 (1.1) | 6.0 (1.3) | 5.3 (0.5) | 0.28 |
| PPV, % | 11.4 (1.8) | 11.6 (3.5) | 12.8 (2.7) | 0.50 |
| PCWP, mmHg | 10.5 (2.9) | 9.5 (3.1) | 11.5 (3.1) | 0.29 |
| CPO, Watt | 0.8 (0.3) | 1.1 (0.3) | 0.9 (0.1) | 0.11 |
| DO2, ml/min | 624.5 (180.5) | 688.7 (193.3) | 608.7 (77.3) | 0.48 |
| VO2, ml/min | 245.7 (93.5) | 237.2 (65.7) | 190.2 (74.6) | 0.23 |
| OER, % | 39.4 (6.3) | 36.7 (8.6) | 31.0 (11.1) | 0.09 |
| *Diuresis, ml | 600 (256–825) | 600 (300–700) | 600 (500–700) | 0.95 |
| *ICP, mmHg | 8.0 (6.1–10.3) | 12.6 (6.8–14.4) | 10.1 (7.0–12.8) | 0.31 |
| *PbtO2, mmHg | 33.2 (31.9–38.3) | 32.5 (25.7–41.6) | 40.1 (24.8–42) | 0.40 |
| Hemoglobin, g/dl | 8.9 (0.7) | 8.4 (0.7) | 8.4 (0.6) | 0.20 |
Data are reported as mean (SD) or *median (IQR)
Data are reported as mean (SD). P/F = ratio between partial arterial oxygen pressure and fraction of inspired oxygen; PaCO2 = arterial partial pressure of carbon dioxide; MAP = mean arterial pressure; HR = heart rate; CVP = central venous pressure; SvO2 = mixed venous oxygen saturation; CO = cardiac output; PPV = pulse pressure variation; PCWP = pulmonary capillary wedge pressure; CPO = cardiac power output; DO2 = oxygen delivery; VO2 = oxygen consumption; OER = oxygen extraction ratio; ICP = intracranial pressure; and PbtO2 = brain tissue oxygen pressure