Table 6 |
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|
Comparison of characteristics and values of PetCO2 between patients with ROSC and without ROSC in nonshockable initial rhythm in cardiac arrest |
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|
ROSC (n = 191) |
Non-ROSC (n = 242) |
P value |
|
|
|
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|
Age (years) |
59.6 ± 12.9 |
60.5 ± 12.9 |
0.45 |
|
Initial PetCO2 (kPa [mmHg]) |
3.7 ± 1.9 (27.8 ± 14.3) |
3.1 ± 2.6 (23.3 ± 19.6) |
0.02 |
|
1 minute PetCO2 (kPa [mmHg]) |
2.8 ± 1.6 (21.1 ± 13.2) |
2.7 ± 1.4 (20.3 ± 11.2) |
0.44 |
|
Average PetCO2 (0 to 10 minutes; kPa [mmHg]) |
2.8 ± 0.9 (22.2 ± 6.8) |
1.1 ± 0.4 (7.8 ± 3.8) |
< 0.001 |
|
10 minute PetCO2 (kPa [mmHg]) |
3.3 ± 1.1 (24.8 ± 7.8) |
1.2 ± 0.5 (8.2 ± 3.6) |
<0.001 |
|
Average 11 to 15 minute PetCO2 (kPa [mmHg]) |
3.2 ± 0.8 (24.1 ± 6.3) |
1.0 ± 0.3 (7.7 ± 2.6) |
<0.001 |
|
15 minute PetCO2 (kPa [mmHg]) |
3.6 ± 0.9 (27.1 ± 7.2) |
1.1 ± 0.4 (7.9 ± 3.5) |
<0.001 |
|
20 minute PetCO2 (kPa [mmHg]) |
4.4 ± 1.2 (33.1 ± 9.1) |
0.9 ± 0.3 (9.2 ± 2.7) |
<0.001 |
|
Max PetCO2 (kPa [mmHg]) |
5.4 ± 1.5 (40.1 ± 12.3) |
1.8 ± 0.6 (15.6 ± 4.4) |
<0.001 |
|
Final PetCO2 (kPa [mmHg]) |
3.6 ± 0.9 (27.3 ± 7.1) |
0.9 ± 0.3 (7.3 ± 2.5) |
<0.001 |
|
|
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Nonshockable' was defined as asystole or pulseless electrical activity. Values are expressed as mean ± standard deviation. PetCO2, partial pressure of end-tidal carbon dioxide; ROSC, restoration of spontaneous circulation. |
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Kolar et al. Critical Care 2008 12:R115 doi:10.1186/cc7009 |
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