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Table 1 Volumetric capnographic indices at different PEEP levels in control and ARDS patients

From: Arterial to end-tidal carbon dioxide pressure difference and correlation of the difference with end-expiratory pressure in critically ill patients with severe lung injury

 

PEEP 5 cmH2O

PEEP 7 cmH2O

PEEP 9 cmH2O

PEEP 11 cmH2O

PEEP 13 cmH2O

PEEP 15 cmH2O

Et PCO2 control

36 ± 7

38 ± 4

40 ± 5

40 ± 8

42 ± 7

43 ± 8

Et PCO2 ARDS

42 ± 4

43 ± 4

42 ± 2

42 ± 3*

41 ± 8*

44 ± 5*

VD/VT control

0.41 ± 0.01

0.41 ± 0.01

0.42 ± 0.01

0.44 ± 0.02

0.45 ± 0.01

0.47 ± 0.02

VD/VT ARDS

0.52 ± 0.01

0.53 ± 0.01

0.55 ± 0.02*

0.58 ± 0.01*

0.61 ± 0.01*

0.66 ± 0.02*

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Critical Care

ISSN: 1364-8535