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Table Blood gases and respiratory variables during PLV with different PEEP levels

From: The effect of positive end-expiratory pressure during partial liquid ventilation in acute respiratory failure

 

BL

ALI

PEEP-0

PEEP-5

PEEP-10

PEEP-15

PaO2/FiO2 (torr)

   485 ± 28**

68 ± 3

269 ± 49**

274 ± 53**

320 ± 50**

401 ± 46**

Qs/Qt(%)

20.5 ± 5**

48 ± 3

33 ± 3**

33 ± 3**

30 ± 2**

24 ± 2**

pH

7.39 ± 0.01

7.28 ± 0.02

7.26 ± 0.03

7.26 ± 0.03

7.27 ± 0.04

7.29 ± 0.1

PaCO2 (torr)

42 ± 2

44 ± 4

47 ± 5

48 ± 5

47 ± 6

45 ± 5

PIP (cmH2O)

26.1 ± 1**

38.5 ± 2.4

52.6 ± 1.6*

43 ± 2.4*

35 ± 0.8

39.5 ± 0.9

Pplat(crnH2O)

17.1 ± 1**

31.6 ± 2.3

25.6 ± 1.7*

25.6 ± 1.4*

27.3 ± 1.1*

32.6 ± 1.2

Paw (cmH2O)

9.3 ± 0.2**

14.1 ± 0.47

12.8 ± 0.3

14 ± 0.2**

17 ± 0.2*

21.5 ± 0.2*

Cstat

1.3 ± 0.1**

0.67 ± 0.04

0.71 ± 0.04

0.82 ± 0.1*

0.95 ± 0.1*

0.94 ± 0.1*

Rawm††

20 ± 3.9*

25.5 ± 4.4

30.6 ± 4.6*

26.5 ± 3.1

21.1 ± 3.4

21 ± 4.1

  1. *P < 0.05 vs ALI, **P < 0.01 vs ALI, BL: baseline; ALI: Acute Lung Injury; ml/cmH2O/kg, ††cmH2O/l/s