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Table 1 Demographic data of patients measured

From: Increased duration of mechanical ventilation is associated with decreased diaphragmatic force: a prospective observational study

Patient number

1

2

3

4

5

6

7

8

9

10

Reason for admission

Intestinal perforation and septic shock after redo gastric banding

Cutaneous T-cell lymphoma, generalized weakness

Spondylodiscitis with septic shock

Urosepsis with septic shock

Atrial fibrillation after pneumectomy

Surgical repair of ruptured abdominal aneurysm

Thrombotic, thrombocytopenic purpura

Pyelonephritis with septic shock

Peritonitis

Limbic encephalitis

APACHE II

19

11

19

15

14

23

32

28

9

12

Days after admission

16

17

11

2

11

6

30

8

21

4

Number of measurements

2

1

1

2

2

2

2

1

2

4

TwPdi (cm H2O)

12.1

8.3

9.1

12.9

9.1

15.4

8.4

8.9

8.9

18.7

Supramaximal stimulation

Yes

Yes

NA

No

Yes

Yes

Yes

NA

No

Yes

Sepsis

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

No

Dialysis

Yes

No

No

No

No

No

No

No

No

No

CS

Yes

No

Yes

Yes

Yes

Yes

Yes

0

Yes

Yes

AG

Yes

No

No

No

No

Yes

No

No

Yes

No

Piritramide mg

666

1,832

103

60

72

280

764

200

1032

0

Propofol mg

14,160

27,229

0

15

3,460

0

17,027

603

15,200

0

Vasopressors

Yes

No

Yes

Yes

Yes

Yes

Yes

Yes

Yes

No

NMBA

No

No

Yes

No

No

Yes

Yes

Yes

Yes

No

Total duration of MV hours

555

359

232

49

110

127

700

174

505

65

BIPAP hours

0

232

90

23

0

8

155

53

306

0

PSV hours

280

127

109

9

110

73

504

107

121

14

IPPV hours

275

0

33

17

0

46

41

14

78

51

PEEP at measurement

5

5

5

5

5

5

7

7

7

5

  1. For patients measured on more than one occasion, all data are given for the first measurement. All data concerning dose of medication and duration of mechanical ventilation concern cumulative data from admission to the ICU up to the time of measurement. AG, aminoglycoside; APACHE II, Acute Physiology and Chronic Health Evaluation II; BIPAP, bilevel positive airway pressure; CS, corticosteroids; IPPV, intermittent positive-pressure ventilation; MV, mechanical ventilation; NMBA, neuromuscular blocking agents; PEEP, positive end-expiratory pressure; PSV, pressure-support ventilation; TwPdi, twitch transdiaphragmatic pressure.