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Table 2 Decreasing PetCO 2 with clinical risk-conditions

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(mmHg)

 

Condition:

Present

Absent

P-value

Cardiac Output < 4.5 L/min

19.5 ± 8.7

31.9 ± 5.9

< 0.0001

Injury Severity Score > 20

28.7 ± 9.4

32.5 ± 9.3

0.0012

Hypotension

18.9 ± 12.0

32.5 ± 7.4

< 0.0001

Bradycardia

17.6 ± 12.2

31.9 ± 8.1

< 0.0001

Cardiac Arrest

8.4 ± 7.9

31.6 ± 8.1

< 0.0001

Major Blood Loss

23.1 ± 12.8

31.7 ± 8.3

< 0.0001

RBC Transfusion

22.8 ± 10.6

32.1 ± 8.7

< 0.0001

Abnormal Pupils

27.4 ± 11.1

31.4 ± 9.0

0.0002

Death

24.4 ± 13.5

31.6 ± 7.5

< 0.0001

  1. PetCO 2 end-tidal carbon dioxide, RBC Red Blood Cell.
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BMC Anesthesiology

ISSN: 1471-2253

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