Table 2 Evaluation of variables during the SBT in patients with and without weaning-induced pulmonary edema

HB

11.82 ± 1.95

12.04 ± 1.94

0.0001*

11.9 ± 2.10

12.04 ± 2.20

0.109

0.974

HCT

42.40 ± 2.51

42.9 ± 2.57

0.0001*

42.52 ± 2.61

42.60 ± 2.70

0.109

 < 0.001

Plasma protein (g/L)

51 ± 4

57 ± 7

0.002*

58 ± 9

59 ± 11

0.02*

 < 0.001

HR

89.33 ± 8.71

106.58 ± 9.05

0.0001*

83.32 ± 12.058

88.38 ± 11.462

0.002*

0.0001*

Respiratory rate

16.17 ± 4.63

22.0 ± 4.41

0.003*

14.925 ± 2.291

15.225 ± 2.833

0.963

0.0001*

MAP

89.72 ± 7.44

86.94 ± 9.79

0.609

91.42 ± 6.49

89.32 ± 8.398

0.206

0.481

ABG

 PH

7.36 ± 0.043

6.99 ± 1.15

0.113

7.391 ± 0.066

7.371 ± 0.051

0.005*

0.002*

 So2

91.92 ± 2.06

83.17 ± 3.74

0.002*

93.85 ± 3.043

90.075 ± 5.44

0.0001*

0.0001*

 Po2

74.75 ± 4.37

60.42 ± 5.42

0.002*

80.475 ± 15.300

73.425 ± 12.28

0.003*

0.001*

 Pco2

45.75 ± 10.52

49.5 ± 16.77

0.157

44.825 ± 13.82

46.825 ± 15.08

0.05*

0.556

EHCO

 LVED

4.508 ± 0.1676

4.5625 ± 0.597

0.801

 LDESD

3.2667 ± 0.111

3.275 ± 0.406

0.947

 EF

61 ± 2.5256

61.262 ± 11.33

0.615

Diastolic dysfunction

N & %

  < 1

7 (58.3%)

20 (50.0%)

  > 1

5 (41.7%)

15 (37.5%)

  > 2

0 (0%)

5 (12.5%)

E/A ratio

1.0 ± 0.7

1.3 ± 0.8

0.609

1.3 ± 0.8

1.3 ± 0.9

0.206

0.481

E/é ratio

9.1 ± 3.1

10.5 ± 3.6

0.003*

9.1 ± 4.5

9.2 ± 4.4

0.973

0.0001*

B lines

4.667 ± 2.8391

10.67 ± 3.75

0.005*

2.85 ± 2.26

4.875 ± 3.94

0.0001*

0.0001*

Delta B lines

6.167 ± 3.2706

2.025 ± 2.5

Mean ± SE

(2.03 ± 0.40)

0.0001*