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End-tidal pressure of carbon dioxide and mean arterial blood pressure in two groups of cardiac arrest patients |
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| Variables |
Epinephrine group |
Vasopressin group |
p valuea |
|
|
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| Median of petCO2 reading |
16 |
15 |
0.86 |
| Interquartile range |
5–26 |
6–23 |
|
| Average petCO2 (patients with ROSC) |
2.12 ± 0.51 |
3.6 ± 0.86 |
< 0.01 |
| Average petCO2 (patients without ROSC) |
0.92 ± 0.28 |
1.78 ± 0.58 |
< 0.01 |
| Initial petCO2 (patients with ROSC) |
2.24 ± 0.81 |
2.13 ± 0.72 |
0.87 |
| Initial petCO2 (patients without ROSC) |
0.85 ± 0.64 |
1.05 ± 0.64 |
0.48 |
| Final petCO2 (patients with ROSC) |
2.95 ± 0.42 |
4.68 ± 1.1 |
< 0.01 |
| Final petCO2 (patients without ROSC) |
0.78 ± 0.52 |
0.88 ± 0.38 |
0.84 |
| Average initial MAP |
74.6 ± 11.3 |
92.4 ± 9.7 |
< 0.01 |
| Average final MAP |
80.3 ± 12.4 |
105.8 ± 16.1 |
< 0.01 |
|
aBy Wilcoxon rank sum test. MAP, mean arterial blood pressure (in millimeters of mercury); petCO2, end-tidal pressure of carbon dioxide (in kilopascals); ROSC, restoration of spontaneous circulation. | |||
Mally et al. Critical Care 2007 11:R39 doi:10.1186/cc5726 |
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