Table 2. Arterial blood gas analysis.
| Baseline | ROSC | ||||
|---|---|---|---|---|---|
| 5 min | 60 min | 2h | |||
| pH | ACD-ITD | 7.46 ± 0.02 | 7.19 ± 0.02 | 7.23 ± 0.03 | 7.25 ± 0.03 |
| SNPeCPR+EPI | 7.44 ± 0.01 | 7.16 ± 0.02 | 7.25 ± 0.03 | 7.28 ± 0.02 | |
| SNPeCPR | 7.44 ± 0.02 | 7.26 ± 0.03* | 7.18 ± 0.05 | 7.19 ± 0.07 | |
| PCO2 | ACD-ITD | 47 ± 3 | 73 ± 7 | 51 ± 4 | 55 ± 3 |
| SNPeCPR+EPI | 44 ± 1 | 68 ± 5 | 56 ± 3 | 55 ± 2 | |
| SNPeCPR | 44 ± 1 | 59 ± 5 | 47 ± 2 | 47 ± 3 | |
| PO2 | ACD-ITD | 90 ± 2 | 63 ± 7 | 113 ± 10 | 108 ± 6 |
| SNPeCPR+EPI | 82 ± 6 | 108 ± 31 | 101 ± 9 | 108 ± 10 | |
| SNPeCPR | 91 ± 3 | 135 ± 36 | 112 ± 14 | 91 ± 7 | |
| HCO3- | ACD-ITD | 30 ± 1 | 25 ± 1 | 21 ± 1 | 24 ± 1 |
| SNPeCPR+EPI | 30 ± 1 | 26 ± 1 | 24 ± 1 | 26 ± 1 | |
| SNPeCPR | 30 ± 1 | 26 ± 1 | 21 ± 2 | 25 ± 2 | |
| BE | ACD-ITD | 6 ± 1 | -4 ± 1 | -6 ± 1 | -3 ± 2 |
| SNPeCPR+EPI | 6 ± 1 | -3 ± 1 | -4 ± 1 | -1 ± 2 | |
| SNPeCPR | 6 ± 1 | -1 ± 2 | -6 ± 2 | -3 ± 3 | |
BE = Base Excess, HCO3- = Bicarbonate, SNPeCPR = Sodium Nitroprusside-enhanced CPR, ACD-ITD = Active Compression-Decompression - Impedance Threshold Device. Values are shown as mean ± SEM. All pressures are in mm Hg.
*
denotes p < 0.05 compared to ACD-ITD.