Table 1 Hemodynamic variables during recruitment manoeuvre.

Number of

PCV

animals

HFOV

HR

PCV

71 ± 18

85 ± 22

85 ± 18

76 ± 20

73 ± 24

73 ± 23

[/min]

HFOV

66 ± 9

79 ± 6

67 ± 5*+

63 ± 3*

62 ± 4*

64 ± 5*

MAP

PCV

75 ± 13***

93 ± 11

84 ± 17

86 ± 11

86 ± 10

86 ± 10

[mmHg]

HFOV

71 ± 8***

94 ± 9

87 ± 7

87 ± 5

85 ± 6

83 ± 7**

CVP

PCV

4.9 ± 2.4***

7.1 ± 2.3

7.6 ± 1.8

8.1 ± 1.8

8.6 ± 2.1**

9.4 ± 2.5***

[mmHg]

HFOV

5.2 ± 2.2**

6.4 ± 2.5

9.7 ± 2.0***+

10.4 ± 2.1***+

10.7± 1.9***+

11.9 ± 2.0***+

MPAP

PCV

19 ± 5***

37 ± 6

34 ± 5***

31 ± 4***

28 ± 4***

30 ± 3***

[mmHg]

HFOV

17 ± 2***

34 ± 5

30 ± 6**+

27 ± 4***

29 ± 4***

31 ± 4**

PCWP

PCV

7.3 ± 2.9

8.7 ± 2.1

10.2 ± 2.0

10.0 ± 2.3

12.0 ± 3.0***

12.6 ± 3.0***

[mmHg]

HFOV

7.4 ± 1.6**

9.7 ± 3.7

12.2 ± 2.8**

13.0 ± 2.9***+

12.8 ± 1.8***

14.0 ± 1.9***

Qs/Qt

PCV

0.09 ± 0.05***

0.54 ± 0.10

0.31 ± 0.17 **

(ratio)

HFOV

0.06 ± 0.01***

0.52 ± 0.07

0.10 ± 0.04***+

Group

T ₇₅

T ₉₀

T ₁₀₅

T ₁₂₀

T ₁₃₅

T ₁₅₀

Number of

PCV

animals

HFOV

HR

PCV

71 ± 18

74 ± 18

80 ± 18

83 ± 19

92 ± 18

100 ± 16

[/min]

HFOV

67 ± 8

77 ± 10

82 ± 13

97 ± 13

MAP

PCV

83 ± 7*

79 ± 6

76 ± 10

75 ± 8

73 ± 9

77 ± 4

[mmHg]

HFOV

78 ± 6***

77 ± 8

80 ± 6

80 ± 5

CVP

PCV

10.4 ± 2.4***

11.1 ± 2.0

11.7 ± 2.1

12.7 ± 3.0

13.4 ± 2.3

14.5 ± 2.5

[mmHg]

HFOV

12.8 ± 2.0***+

13.1 ± 1.8

13.4 ± 2.6

14.7 ± 2.9

MPAP

PCV

32 ± 3***

33 ± 3

35 ± 4

37 ± 3

39 ± 5

41 ± 2

[mmHg]

HFOV

32 ± 4*

35 ± 5

36 ± 4

37 ± 4

PCWP

PCV

13.4 ± 2.1***

13.6 ± 2.8

15.4 ± 3.1

17.3 ± 3.5

19.0 ± 2.7

19.3 ± 1.9

[mmHg]

HFOV

15.9 ± 2.4***+

16.4 ± 2.5

16.3 ± 3.3

18.0 ± 2.6

Qs/Qt

PCV

0.06 ± 0.02

(ratio)

HFOV

0.04 ± 0.02