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Table 1 Tracheobronchial colonization (log cfu/g) per study group

From: Endotracheal tube biofilm translocation in the lateral Trendelenburg position

    

Trachea

Main bronchi

Segmental bronchi

Pig

Group

Mechanical ventilation, hours

Species

1

2

3

4

5

6

7

8

9

10

11

17

24 h

24

–

–

–

–

–

–

–

–

–

–

–

–

20

24 h

24

P.aeruginosa

2.18

2.74

–

–

–

–

–

–

–

–

–

   

E.coli

1.70

2.30

–

–

–

–

–

–

–

–

–

30

24 h

24

Bordetella bronchiseptica

2.90

3.85

–

5.09

–

–

–

–

–

–

–

50

24 h

24

–

–

–

–

–

–

–

–

–

–

–

–

18

48 h

48

P.aeruginosa

3.69

3.95

4.62

2.40

–

–

2.96

–

–

–

–

27

48 h

48

Bordetella bronchiseptica

6.19

7.24

7.14

7.37

5.76

5.16

5.99

–

3.70

3.66

–

44

48 h

48

P.aeruginosa

–

–

–

–

–

–

2.95

–

–

–

–

   

Bordetella bronchiseptica

–

3.60

–

3.86

3.83

–

3.02

–

–

–

–

   

E.coli

–

–

–

–

–

–

2.88

–

–

–

–

   

Acinetobacter baumanii

–

–

–

–

–

–

3.08

–

–

–

–

51

48 h

48

P.aeruginosa

–

–

–

4.05

–

–

–

–

–

–

–

55

48 h

48

Bordetella bronchiseptica

5.56

4.60

5.33

7.12

5.76

4.63

5.72

2.30

–

–

–

34

48-ALI

48

P.aeruginosa

4.68

5.02

–

6.41

–

–

–

4.24

4.18

–

3.85

   

E.coli

4.08

–

–

–

–

–

–

–

–

–

–

37

48-ALI

48

P.aeruginosa

1.78

–

–

–

–

–

–

–

–

–

–

   

Acinetobacter lwoffii

–

–

–

–

–

–

–

–

–

–

2.17

40

48-ALI

48

P.aeruginosa

–

–

3.21

–

–

–

–

–

–

–

–

52

48-ALI

48

P.aeruginosa

6.86

2.95

–

5.86

–

–

–

–

3.76

–

–

   

E.coli

4.54

2.52

–

–

–

–

–

–

–

–

–

54

48-ALI

18

Bordetella bronchiseptica

3.80

3.12

3.23

3.32

2.18

3.09

3.11

2.40

3.26

–

2.75

22

72 h

72

P.aeruginosa

4.64

–

–

–

–

–

–

–

–

–

–

   

Bordetella bronchiseptica

6.60

5.30

–

5.35

5.72

–

–

–

6.40

–

–

   

Paracoccus yeei

–

–

–

–

–

–

–

–

–

5.60

–

31

72 h

72

–

–

–

–

–

–

–

–

–

–

–

–

48

72 h

72

P.aeruginosa

–

–

–

–

1.77

–

–

–

–

–

–

53

72 h

72

P.aeruginosa

4.86

–

–

–

3.45

2.08

–

–

–

–

–

   

E.coli

4.18

–

–

–

3.79

2.94

–

–

–

–

–

  1. Of note, bacterial species concurrently isolated from within the endotracheal tube and the tracheobronchial tree are in bold. P.aeruginosa, Pseudomonas aeruginosa; E.coli, Escherichia coli.