Parameters | Baseline | Before recruitment manoeuvre | After recruitment manoeuvre | Ending |
Ventilation mode | VCV:PCV (1:1) | VCV:PCV (1:1) | PRVC | PSV |
PEEP cmH2O | 5.2±0.1 | 5.2±0.1 | 5.1±0.1 | 2.4±0.2 |
PIP cmH2O | 17.0±0.9 | 17.0±0.5 | 14.6±0.4 | 12.8±0.2 |
Pmean cmH2O | 8.9±0.2 | 9.0±0.3 | 8.7±0.2 | 5.1±0.2 |
PS cmH2O, in PCV and PSV | 11.0±0.6 | 10.9±0.6 | 10.0±0.1 | |
RR breaths·min−1 | 14.4±0.2 | 14.4±0.3 | 14.3±0.2 | 16.2±1.0 |
VT INSP mL | 509.0±15.6 | 518.5±16.2 | 506.6±11.2 | 586.5±37.8 |
VT EXP mL | 501.7±15.8 | 507.0±15.9 | 496.1±10.7 | 580.7±41.5 |
MV L·min−1 | 7.3±0.3 | 7.2±0.2 | 7.1±0.2 | 8.6±0.3 |
Cdyn mL/cmH2O | 51.5±2.8 | 53.3±2.7 | 54.4±2.0 | 52.8±4.4 |
FIO2 % | 42.0±1.0 | 40.7±0.8 | 40.0±0.9 | 32.2±0.6 |
I:E | 1:2 | 1:2 | 1:2 |
Data presented as mean±sem. PEEP: positive end expiratory pressure; PIP: peak inspiratory pressure; Pmean: mean pressure; PS: pressure support; RR: respiratory rate; VT: tidal volume; MV: minute ventilation; Cdyn: dynamic compliance; FIO2: inspiratory oxygen fraction; I:E: inspiratory–expiratory ratio; VCV: volume-controlled ventilation; PCV: pressure-controlled ventilation; PRVC: pressure-regulated volume control; PSV: pressure support ventilation.