Table 2 (abstract A120). Respiratory mechanics on CMV. Data are expressed as median 1-3IQ Friedman t-test with Bonferroni post-hoc correction * p<0.01 compared to CMV day 1 and pre-HFOV switch

FIO₂

0.6, 0.5-0.7

0.7, 0.65-0.85

0.6, 0.45-0.65

TV, ml/kg

7, 7-9

6, 5.5-6-7

7, 6.8-7.5

PEEP, cmH₂O

8, 7-10

10, 8-12

10, 9-11

Pplat, cmH₂O

25, 23-26

27, 26-29

24,23-25

Driving Pressure cmH₂O

16, 13-20

17, 15-20

12, 10-14 *

Oxygenation Index

9, 8-11

11, 10-14

8, 6-9 *

Respiratory System Compliance (Crs,ml/Kg cmH₂O

0.47, 0,31-0,61

0.43, 0.31-0.59

0.8, 0.6-0.9 *

NMB, n%

7,46

12,75

3,15

Prone position, n%

6,40

2,12

7,15

iNO, n%

3,20

6,35

2,12

Vasoactive agents usage, n%

2,12

3,18

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