Skip to main content

Table 4 Effects of different inspiratory patterns on EIF, MDT, and lnMDT

From: Dead space and CO2 elimination related to pattern of inspiratory gas delivery in ARDS patients

 

TI 33%, TP 10%

TI 15%, TP 28%

TI 15%, TP 35%

SHAPE

Increasing flow

Constant flow

Decreasing flow

Increasing flow

Constant flow

Decreasing flow

Increasing flow

Constant flow

Decreasing flow

EIF, ml/s

1,106

553

0

2,433

1,217

0

2,433

1,217

0

MDT

0.41

0.52

0.71

0.80

0.86

0.95

0.99

1.05

1.14

lnMDT

-0.90

-0.66

-0.34

-0.22

-0.15

-0.05

-0.01

0.05

0.13

ΔVTCO2%, all subjects

1

2

4

17

12

8

20

15

10

ΔVTCO2%, subject 4

5

2

1

34

19

6

37

23

9

  1. Effects on ΔVTCO2 were calculated by using mean coefficients a and b for all subjects (Eq. 1) and coefficients for subject 4 who had a high coefficient b.