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Table 1 Basic patient data

From: Electrical activity of the diaphragm (EAdi) as a monitoring parameter in difficult weaning from respirator: a pilot study

Number

F/S

Primary diagnosis

BMI

SAPS II a

SAPS II i

ICU d

Mode

PS (cm H2O)

PEEP (cm H2O)

EAdimax(μV)

FiO2(%)

SpO2(%)

D (min)

1.

F

Sepsis

39

63

58

29

PSV

7

8

8

35

99

20

2.

F

ACS (CAB)

22

23

44

4

PSV

11

8

1

45

99

5

3.

S

AS (AVR)

27

39

37

13

PSV

6

5

10

40

100

30

4.

S

AS (AVR)

23

60

41

8

PSV

9

5

7

40

98

30

5.

F

Thorax apertum (CAB)

22

35

39

7

PSV

9

5

7

45

96

5

6.

S

AAA

24

54

46

5

PSV

7

6

5

35

97

30

7.

F

AS (AVR)

27

41

57

31

NAVA

(18)

6

9

50

98

30

8.

F

Spinal trauma C5-6

21

24

19

4

NAVA

(12)

5

12

45

99

15

9.

F

MI (MVR)

34

47

42

14

PSV

8

8

3

40

100

22

10.

S

ACS (CAB)

21

39

45

15

PSV

6

5

3

50

99

30

11.

S

SCLC

27

37

35

9

PSV

10

8

5

45

100

30

12.

S

ARDS

29

66

33

26

PSV

8

5

12

40

98

30

13.

S

Thorax trauma

29

51

35

22

PSV

6

6

58

30

96

30

14.

S

ACS (CAB)

24

40

46

10

PSV

10

7

10

35

99

30

15.

S

TI (TVR)

33

44

38

3

PSV

11

5

13

30

97

30

16.

S

ARDS

30

25

14

24

PSV

12

8

35

35

99

30

17.

S

Sepsis

22

46

28

46

NAVA

(16)

9

47

30

93

30

18.

S

Sepsis

43

42

51

10

NAVA

(14)

8

10

35

98

30

Mean

  

28

43

39

16

 

10

7

14

39

98

25

STD

  

6

13

11

12

 

3

1

16

6

2

9

  1. F/S failure (F) or success (S), BMI body mass index, SAPS II (a) simplified acute physiology score II (on ICU admission), SAPS II (i) simplified acute physiology score II (day of inclusion in trial), ICU (d) day of ICU stay on study inclusion, mode ventilator mode, PS (cm H2O) pressure support in cm H2O, calculated maximum pressure support in NAVA mode in brackets, PEEP (cm H2O) positive end-expiratory pressure in cm H2O, EAdi max (μV) maximum electrical activity of the diaphragm during inspiration in microvolts, FiO2(%) fraction of inspiratory oxygen in percentage, SpO2(%) pulse oximetry oxygen saturation in percentage, D (min) time of disconnection from the ventilator during spontaneous-breathing trial, M male, F female, ACS (CAB) acute coronary syndrome treated with coronary artery bypass; AS (AVR), aortic valve stenosis treated with aortic valve replacement; AAA (AR), abdominal aortic aneurysm treated with aortic replacement, CST cervical spinal trauma, MI (MVR) mitral valve insufficiency treated with mitral valve replacement, SCLC small cell lung cancer, STD standard deviation (mean values and standard deviations of the numeric data are displayed at the bottom line). Calculated maximum pressure support in NAVA = EAdimax (μV) ×NAVA level (cm H2O/μV).