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Table 1 Blood gases at baseline, during CPR, and during ROSC in the manual group and the LUCAS group.

From: Manual versus mechanical cardiopulmonary resuscitation. An experimental study in pigs

 

Baseline

20 min CPR

60 min ROSC

Temperature (°C)

   

Manual

37.1 ± 0.4

36.8 ± 0.3

35.8 ± 0.5

LUCAS

37.5 ± 0.2

36.6 ± 0.3

36.4 ± 0.3

Hbv (g/l)

   

Manual

111 ± 2

127 ± 3

109 ± 6

LUCAS

109 ± 2

120 ± 2

110 ± 2

Hctv (%)

   

Manual

34 ± 1

39 ± 1

33 ± 2

LUCAS

34 ± 1

37 ± 1

34 ± 1

SaO 2 (%)

   

Manual

92 ± 0

95 ± 1

95 ± 1

LUCAS

91 ± 0

94 ± 0

95 ± 0

SvO 2 (%)

   

Manual

66 ± 3

26 ± 3

50 ± 9

LUCAS

66 ± 2

24 ± 2

61 ± 5

PaO 2 (kPa)

   

Manual

13.4 ± 0.3

53.5 ± 4.5

71.1 ± 3.3

LUCAS

12.6 ± 0.3

54.6 ± 2.7

62.4 ± 2.7

PvO 2 (kPa)

   

Manual

6.0 ± 0.3

2.9 ± 0.2

5.0 ± 0.3

LUCAS

5.9 ± 0.2

3.3 ± 0.6

5.7 ± 3.3

PaCO 2 (kPa)

   

Manual

5.5 ± 0.3

3.1 ± 0.4

5.6 ± 0.9

LUCAS

5.6 ± 0.3

4.0 ± 0.4

5.6 ± 0.3

PvCO 2 (kPa)

   

Manual

6.6 ± 0.4

8.0 ± 0.6

8.8 ± 1.6

LUCAS

6.5 ± 0.3

8.1 ± 0.5

7.7 ± 0.6

pHa

   

Manual

7.48 ± 0.01

7.47 ± 0.03

7.38 ± 0.06

LUCAS

7.47 ± 0.01

7.42 ± 0.02

7.42 ± 0.02

pHv

   

Manual

7.42 ± 0.01

7.27 ± 0.02

7.24 ± 0.07

LUCAS

7.43 ± 0.01

7.25 ± 0.01

7.32 ± 0.03

Base excess a (mmol/l)

   

Manual

6.2 ± 0.7

-5.5 ± 0.7

-0.4 ± 3.6

LUCAS

6.4 ± 0.7

-4.4 ± 0.8

2.4 ± 1.1

Base excess v (mmol/l)

   

Manual

6.5 ± 0.8

-1.4 ± 0.6

-0.9 ± 3.7

LUCAS

6.5 ± 0.7

-2.2 ± 0.7

2.1 ± 1.2

Lactate v (mmol/l)

   

Manual

1.5 ± 0.2

6.1 ± 0.2

6.6 ± 1.9

LUCAS

1.5 ± 0.2

6.3 ± 0.2

4.3 ± 0.5

Glucose v (mmol/l)

   

Manual

5.6 ± 0.4

15.0 ± 1.5

11.8 ± 3.1

LUCAS

5.9 ± 0.4

14.7 ± 0.7

11.6 ± 1.3

  1. N = 8, except at 60 min ROSC in the manual group were n = 3.
  2. Hbv = hemoglobin in venous blood; Hctv = hematocrite in venous blood; SaO2 and SvO2 = oxygen saturation in arterial and venous blood, respectively; PaO2 and PvO2 = partial oxygen pressure in arterial and venous blood, respectively; PaCO2 and PvCO2 = partial carbon dioxide pressure in arterial and venous blood, respectively; pHa and pHv = pH in arterial and venous blood, respectively; base excess a and base excess v = base excess in arterial and venous blood, respectively; lactate v and glucose v = lactate and glucose in venous blood. Blood gases are given at temperature-corrected values.