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Table 2 Temperatures, vasoactive support, End-tidal CO2 and minute ventilation

From: Prevention of hypothermia in patients undergoing orthotopic liver transplantation using the humigard® open surgery humidification system: a prospective randomized pilot and feasibility clinical trial

Stage

 

Control Group

(n = 11)

Humigard Group

(n = 11)

Difference

Confidence interval (95%)

p-value

Baseline

Ambient Temp (°C)

21.1 ± 0.1

21.1 ± 0.1

0.01 ± 0.2

−0.1 to 0.3

0.95

PAC Temp (°C)

35.9 ± 0.1

35.8 ± 0.2

−0.1 ± 0.2

−0.6 to 0.4

0.73

NPP Temp (°C)

35.9 ± 0.1

36.0 ± 0.1

0.1 ± 0.2

−0.4 to 0.6

0.75

Norad (ug/min)

0 (0,0)

0 (0,0)

-

-

0.99

PaCO2 (mmHg)

37.6 ± 03.59

38.4 ± 4.50

−0.8 ± 1.9

−4.4 to 2.8

0.65

ETCO2 (mmHg)

32.0 ± 2.4

30.9 ± 1.8

−1.1 ± 3.0

−7.4 to 5.2

0.72

Min Vent (L/min)

5.5 ± 0.2

5.7 ± 0.4

0.20 ± 0.4

−0.7 to 1.1

0.64

1 + 60 min

Ambient Temp (°C)

21.2 ± 0.1

21.3 ± 0.1

0.1 ± 0.2

−0.3 to 0.4

0.73

PAC Temp(°C)

35.8 ± 0.2

35.7 ± 0.2

−0.1 ± 0.3

−0.7 to 0.5

0.69

NPP Temp (°C)

35.8 ± 0.2

35.8 ± 0.2

−0.0 ± 0.3

−0.5 to 0.5

0.91

Norad (ug/min)

1 (0,2)

0.5 (0,2)

-

-

0.90

PaCO2 (mmHg)

37.9 ± 4.2

37.4 ± 6.8

0.5 ± 2.5

−4.5 to 5.5

0.83

ETCO2 (mmHg)

32.1 ± 1.8

31.0 ± 1.3

−1.1 ± 2.2

−5.7 to 3.5

0.62

Min Vent (L/min)

5.9 ± 0.3

5.7 ± 0.5

−0.2 ± 0.6

−1.3 to 1.0

0.73

2 + 30 min

Ambient Temp (°C)

22.6 ± 0.4

22.5 ± 0.3

−0.12 ± 0.5

−1.1 to 0.8

0.80

PAC Temp (°C)

35.6 ± 0.3

36.2 ± 0.2

0.60 ± 0.3

−0.1 to 1.3

0.09

NPP Temp (°C)

35.6 ± 0.23

36.4 ± 0.2

0.78 ± 0.3

0.2 to 1.4

0.02

Norad (ug/min)

5 (0,9)

1 (0,7)

-

-

0.23

PaCO2 (mmHg)

33.0 ± 3.5

36.1 ± 5.8

−3.1 ± 2.1

−7.4 to 1.2

0.15

ETCO2 (mmHg)

27.8 ± 1.2

30.1 ± 1.3

2.32 ± 1.8

−1.3 to 6.0

0.20

Min Vent (L/min)

6.3 ± 0.3

6.3 ± 0.5

0.01 ± 0.6

−1.2 to 1.2

0.98

3 − 5 min

Ambient Temp (°C)

22.5 ± 0.53

22.6 ± 0.39

0.1 ± 0.7

−1.3 to 1.5

0.89

PAC Temp (°C)

35.5 ± 0.2

35.9 ± 0.16

0.4 ± 0.3

−0.2 to 1.0

0.14

NPP Temp (°C)

35.4 ± 0.2

36.0 ± 0.13

0.6 ± 0.3

0.1 to 1.2

0.03

Norad (ug/min)

5 (0,9)

4 (1,10)

-

-

0.96

PaCO2 (mmHg)

33.5 ± 2.9

36.4 ± 5.5

−2.9 ± 2.0

−6.8 to 1.1

0.14

ETCO2 (mmHg)

28.0 ± 1.2

28.9 ± 1.08

1.1 ± 1.6

−2.2 to 4.5

0.48

Min Vent (L/min)

6.3 ± 0.3

6.4 ± 0.48

0.0 ± 0.6

−1.2 to 1.3

0.93

3 + 5 min

Ambient Temp (°C)

22.5 ± 0.5

22.6 ± 0.5

0.5 ± 0.8

−1.3 to 1.4

0.89

PAC Temp (°C)

35.1 ± 0.28

34.9 ± 0.21

−0.3 ± 0.4

−1.0 to 0.5

0.46

NPP Temp (°C)

35.0 ± 0.22

34.7 ± 0.23

−0.3 ± 0.3

−0.9 to 0.4

0.41

Norad (ug/min)

8 (5,15)

10 (6,15)

-

-

0.76

PaCO2 (mmHg)

35.9 ± 3.9

38.3 ± 4.5

−2.4 ± 1.9

−6.2 to 1.4

0.20

ETCO2 (mmHg)

30.1 ± 1.10

29.5 ± 1.00

−0.6 ± 1.5

−3.7 to 2.5

0.67

Min Vent (L/min)

6.3 ± 0.34

7.3 ± 0.42

1.0 ± 0.6

−0.2 to 2.1

0.08

3 + 60 min

Ambient Temp (°C

23.0 ± 0.6

22.9 ± 0.5

−0.1 ± 0.76

−1.7 to 1.5

0.88

PAC Temp (°C)

35.7 ± 0.2

35.8 ± 0.2

0.1 ± 0.24

−0.4 to 0.6

0.59

NPP Temp (°C)

35.7 ± 0.2

35.8 ± 0.2

0.1 ± 0.22

−0.4 to 0.5

0.77

Norad (ug/min)

5 (3,10)

6 (5,9)

-

-

0.52

PaCO2 (mmHg)

35.2 ± 4.2

36.4 ± 4.0

−1.2 ± 1.9

−4.9 to 2.4

0.49

ETCO2 (mmHg)

31.0 ± 1.9

29.9 ± 1.3

−1.1 ± 1.72

−4.7 to 2.5

0.53

Min Vent (L/min)

6.7 ± 0.4

7.14 ± 0.4

0.4 ± 0.57

−0.8 to 1.6

0.46

Closure

Ambient Temp (°C

23.2 ± 0.6

22.8 ± 0.4

−0.4 ± 0.7

−1.8 to 1.0

0.56

PAC Temp (°C)

36.3 ± 0.1

36.8 ± 0.2

0.5 ± 0.2

−0.1 to 0.1

0.09

NPP Temp (°C)

36.1 ± 0.1

36.7 ± 0.2

0.5 ± 0.2

0.0 to 1.0

0.04

Norad (ug/min)

4 (1,7)

4 (3,6)

-

-

0.80

PaCO2 (mmHg)

35.6 ± 1.7

34.6 ± 2.9

0.9 ± 2.1

−1.2 to 3.1

0.37

ETCO2 (mmHg)

31.3 ± 1.2

29.0 ± 1.1

−2.3 ± 1.6

−5.6 to 1.1

0.17

Min Vent (L/min)

7.2 ± 0.5

7.2 ± 0.3

0.0 ± 0.6

−1.2 to 1.2

0.97

  1. Data presented as mean (standard deviation) or median (interquartile range)
  2. Temp temperature, PAC pulmonary artery catheter, NPP nasopharyngeal probe, Norad noradrenalin, ET CO 2 end tidal carbon dioxide, Min Vent minute ventilation