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Table 3 Respiratory variables

From: Increased permeability-oedema and atelectasis in pulmonary dysfunction after trauma and surgery: a prospective cohort study

 

Thoracic trauma

Oesphageal surgery

Abdominal surgery

Bone surgery

P

 

n = 5

n = 8

n = 6

n = 4

 

PLI (×10-3.min-1)

26 (12–29)

12 (6–38)

49 (20–106)

71 (16–171)

0.073

PLI >14.1 (x10-3.min-1)

3 (60)

3 (37)

5 (83)

4 (100)a

0.050

EVLW (ml.kg-1)

3.4 (2.3–7.6)

5.6 (2.9–11.6)

6.0 (3.5–10.3)

6.0 (2.9–8.7)

0.433

EVLW >7 (ml.kg-1)

1 (20)

2 (25)

2 (33)

2 (50)

0.861

PaO2 (mmHg)

121 (57–147)1

140 (97–211)

176 (156–234)

192 (176–229)a

0.004

PaCO2 (mmHg)

45 (22–56)

35 (27–41)

33 (26–36)

37 (31–38)

0.209

FIO2 (%)

70 (40–88)

41 (40–59)

40 (39–49)

42 (40–48)

0.230

PaO2/FIO2

173 (78–359)2

328 (188–515)

439 (390–510)

458 (414–515)b

0.003

SaO2 (%)

98 (92–98)

98 (97–99)

98 (98–99)

98 (98–99)

0.186

Qs/Qt (%)

27 (21–57)3

15 (6–40)

13 (8–18)

16 (7–21)

0.022

RR (/min)

19 (15–26)4

14 (11–16)

14 (11–16)

15 (11–19)

0.045

Tidal volume (ml.kg-1)

6.7 (4.4–8.8)

7.3 (6.2–9.3)

7.3 (6.3–8.9)

7.9 (7.5–9.8)

0.327

Plateau pressure (cm H2O)

     
 

28 (20–34)3

16 (12–22)

15 (13–19)

16 (15–17)

0.015

PEEP (cm H2O)

12 (11–16)3

6 (4–8)

5 (4–6)

7.5 (6–9)

0.002

Compliance tot.,resp.,dyn.,

     

ml.cm-1 H2O

31 (19–93)

59 (46–97)

62 (32–76)

66 (57–108)

0.296

Quadrants with densities

     
 

1 (0–4)

1 (0–2)

0 (0–2)

1 (0–1)

0.456

Radiographic atelectasis

     
 

3 (60)

5 (62)

1 (17)

1 (25)

0.257

Lung injury score

2.2 (1.5–3.5)3

0.7 (0.5–1.7)

0.5 (0.2–0.7)

0.7 (0.5–1.0)

0.015

  1. PLI, pulmonary leak index; EVLW, extravascular lung water; PO2/PCO2, partial pressure of O2 or CO2; FIO2, inspiratory O2 fraction; SO2, O2 saturation (a = arterial); Qs/Qt, venous admixture; RR, respiratory rate; PEEP, positive end-expiratory pressure; tot. resp. dyn. total respiratory dynamic. Exact P if <0.05. Versus surgical groups: 1P = 0.007, 2P = 0.004; 3P ≤ 0.001; 4P = 0.004; among surgical groups aP = 0.019; bP = 0.020.