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Table 4 Select physiologic variables and mortality outcomes according to PetCO 2

From: In emergently ventilated trauma patients, low end-tidal CO2and low cardiac output are associated and correlate with hemodynamic instability, hemorrhage, abnormal pupils, and death

PetCO2

No.

Arrest

CO

Sys. BP

Heart rate

Mortality

0–15

38

71.1%

0.5 ± 1.2

20 ± 36

30 ± 52

100.0%

16–20

10

20.0%

4.3 ± 2.8

86 ± 55

53 ± 32

40.0%

21–25

37

2.7%

5.6 ± 1.8

131 ± 51

83 ± 24

40.5%

26–30

111

0.0%

6.2 ± 1.6

137 ± 33

95 ± 25

15.3%

31–35

111

0.0%

7.1 ± 1.9

144 ± 30

93 ± 24

10.8%

36–45

86

0.0%

7.1 ± 1.9

153 ± 37

109 ± 25

34.9%

> 45

14

0.0%

6.3 ± 2.1

176 ± 39

118 ± 21

28.6%

 

n = 407

     
  1. PetCO 2 end-tidal carbon dioxide, CO cardiac output, Sys. BP systolic blood pressure.
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BMC Anesthesiology

ISSN: 1471-2253

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