Table 2 Respiratory variables
Group | 15 min after induction | 15 min after positioning | 30 min after positioning | Supine at the end | |
|---|---|---|---|---|---|
Ppeak (cmH2O) | VCV | 17 (15–17) | 19 (19–22)† | 21 (18–22)† | 19 (16–22)† |
PCV-VG | 14 (13–15)* | 17 (15–18)*† | 17 (16–19)*† | 15 (14–16)* | |
Pmean (cmH2O) | VCV | 7 (6–7) | 7 (7–8)† | 8 (7–8)† | 7 (6–8) |
PCV-VG | 7 (6–7) | 7 (7–8)† | 8 (7–9)† | 7 (7–8) | |
RR (breaths/min) | VCV | 12 (12–14) | 11 (10–12) | 12 (10–12) | 12 (10–13) |
PCV-VG | 12 (11–13) | 12 (10–12) | 12 (10–12) | 11 (10–13) | |
Cdyn (mL/cmH2O) | VCV | 32 (28–39) | 25 (23–30)† | 25 (23–28)† | 31 (24–33)† |
PCV-VG | 39 (34–44)* | 32 (29–35)*† | 29 (25–33)*† | 38 (30–43)*† | |
ETCO2 (mmHg) | VCV | 33 (31–34) | 32 (30–33) | 32 (30–35) | 34 (31–35) |
PCV-VG | 31 (30–33) | 32 (31–34) | 32 (30–34) | 33 (31–35) | |
SaO2 (%) | VCV | 99 (98–100) | 99 (98–99) | 99 (98–100) | 99 (99–100) |
PCV-VG | 99 (98–100) | 99 (98–100) | 99 (98–100) | 99 (99–100) |