Markers of overdistentiona
|
Pplat, cmH2O
|
28 ± 5b
|
25 ± 4b
|
26 ± 2
|
0.013
|
Elastance-derived PL,plat, cmH2O
|
21 [20–26]b
|
17 [16–20]b
|
18 [16–21]
|
0.034
|
PL,end-insp, cmH2O
|
5 [3–18]
|
8 [4–9]
|
4 [0–10]
|
0.327
|
Pdriv, cmH2O
|
15 ± 5
|
12 ± 4
|
13 ± 3
|
0.098
|
PL,driv, cmH2O
|
12 ± 5
|
9 ± 4
|
9 ± 5
|
0.063
|
Risk of atelectasisa
|
PL,end-exp, cmH2O
|
−2 ± 5
|
−2 ± 5
|
−5 ± 5
|
0.335
|
Response to the incremental PEEP trialc
|
Changes in Pdriv, cmH2O
|
2.0 [0–3.5]
|
1.0 [0–1.0]
|
0.5 [0–12]
|
0.169
|
Changes in PL,driv, cmH2O
|
1.9 ± 2.5
|
0.7 ± 1.8
|
−0.3 ± 1.2
|
0.042
|
Changes in PaO2/FiO2, mmHg
|
−4 [−17 to 12]
|
0 [−18 to 14]
|
3 [−29 to 10]
|
0.226
|
Changes in MAP, mmHg
|
−2 [−10 to 3]
|
−2 [2-9]
|
−3 [−8 to 0]
|
0.675
|
Recruitabilityd
|
Vder, ml
|
105 ± 61e
|
142 ± 106
|
208 ± 124e
|
0.036
|