Table 2. Pulmonal parameters.

Data shown as mean values and standard deviation.

		CTR	OAI	p-value
PEEP	BLH	4 ± 0	4 ± 0	n.s.
(cm H2O)	0 h	4 ± 0	6 ± 2	0.043
	6 h	4 ± 0	9 ± 2	<0.001
	12 h	4 ± 0	7 ± 3	<0.001
	18 h	4 ± 0	7 ± 3	0.002
Ppeak	BLH	15 ± 2	16 ± 3	n.s.
(cm H2O)	0 h	14 ± 1	28 ± 6	<0.001
	6 h	15 ± 2	28 ± 3	<0.001
	12 h	16 ± 2	28 ± 6	<0.001
	18 h	17 ± 2	30 ± 5	<0.001
VT	BLH	6 ± 0	6 ± 1	n.s.
(ml/kg)	0 h	6 ± 0	7 ± 1	n.s.
	6 h	6 ± 0	7 ± 1	n.s.
	12 h	6 ± 0	6 ± 1	n.s.
	18 h	6 ± 0	6 ± 1	n.s.
etCO2	BLH	39 ± 3	38 ± 4	n.s.
(mmHg)	0 h	36 ± 2	37 ± 4	n.s.
	6 h	37 ± 4	39 ± 3	n.s.
	12 h	37 ± 2	39 ± 3	n.s.
	18 h	36 ± 2	39 ± 4	n.s.
FiO2	BLH	40 ± 0	40 ± 0	n.s.
(%)	0 h	100 ± 0	100 ± 0	n.s.
	6 h	40 ± 0	55 ± 10	<0.001
	12 h	39 ± 4	48 ± 10	0.005
	18 h	40 ± 0	45 ± 10	n.s.
EVLWI	BLH	11 ± 1	10 ± 2	n.s.
(ml/kg)	0 h	12 ± 1	19 ± 4	0.003
	6 h	12 ± 2	21 ± 7	<0.001
	12 h	14 ± 2	17 ± 6	n.s.
	18 h	14 ± 3	17 ± 5	n.s.
Oxygenation	BLH	503 ± 65	496 ± 58	n.s.
Ratio	0 h	544 ± 66	101 ± 28	<0.001
(mmHg)	6 h	452 ± 55	188 ± 70	<0.001
	12 h	453 ± 73	221 ± 48	<0.001
	18 h	400 ± 59	216 ± 50	<0.001
Wet-to-dry		5 ± 0	6 ± 1	0.08
Ratio

Notes.

Abbreviations

etCO₂

endtidal CO₂

EVLWI

extravascular lung water index

FiO₂

inspiratory fraction of CO₂

PEEP

positive endexpiratory pressure

P_Peak

peak pressure

V_T

tidal volume