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Table 1 Cardiopulmonary parameters

From: Real-time effects of PEEP and tidal volume on regional ventilation and perfusion in experimental lung injury

Parameter

Control

Injured

Control

Injured

C1

C2

C3

C4

I1

I2

I3

I4

I5

I6

Mean (SD)

Mean (SD)

Weight (kg)

30

33

30

33

30

28

29

33

31

31

31 (2)

30 (2)

Lavage volume (L)

0

0

0

0

4

5

2

4

9

2

0 (0)

4 (3)

P/F ratio (mmHg)

287

384

441

373

158

206

153

104

164

143

371 (64)

154 (33)*

ABP (mmHg)

65

78

89

79

68

95

97

97

75

62

78 (10)

82 (16)

PAP (mmHg)

20

27

14

20

34

27

27

20

32

34

20 (5)

29 (6) #

CVP (mmHg)

6

11

11

6

13

8

11

6

8

12

9 (3)

10 (3)

HR (bpm)

75

87

82

143

97

105

98

107

107

93

97 (31)

101 (6)

CO (L/min)

1.9

4.0

3.0

6.1

3.6

3.9

3.2

4.0

4.1

3.4

3.8 (1.8)

3.7 (0.4)

  1. Abbreviations: C Control, I Injured (C1 to C4 and I1 to I6 refer to different animals), P/F ratio PaO2/FIO2 ratio sampled at PEEP 5 cmH2O, ABP mean arterial blood pressure, PAP Pulmonary arterial pressure, CVP Central venous pressure, HR Heart rate, CO Cardiac output measured by pulmonary artery flotation catheter thermodilution
  2. *p < 0.001
  3. #p = 0.02 from independent samples t test
  4. Data are presented as mean (SD), where appropriate