Table 1 Hemodynamic and oxygenation parameters before and after recruitment maneuvers

HR (BPM)

89.1 ± 25.32

97.5 ± 31.17

0.517

90.4 ± 39.40

96.9 ± 46.84

0.950

93.8 ± 38.44

94.1 ± 41.04

0.987

MAP (mmHg)

102.1 ± 23.14

92.7 ± 17.71

0.321

109.2 ± 19.00

96.8 ± 23.93

0.455

109.1 ± 20.26

96.6 ± 23.53

0.219

CVP (mmHg)

7.62 ± 3.37

8.81 ± 3.12

0.420

7.45 ± 2.91

9.10 ± 4.72

0.523

7.42 ± 2.67

9.46 ± 3.41

0.161

PAWP (mmHg)

8.81 ± 4.94

10.72 ± 4.40

0.376

9.34 ± 4.08

11.62 ± 4.88

0.349

9.17 ± 3.67

10.83 ± 4.59

0.372

CO (L/min)

4.74 ± 1.55

4.45 ± 1.35

0.664

4.74 ± 2.11

4.46 ± 1.63

0.733

4.53 ± 1.67

4.48 ± 1.63

0.945

pH

7.28 ± 0.12

7.29 ± 0.12

0.95

7.27 ± 0.13

7.30 ± 0.12

0.627

7.27 ± 0.12

7.31 ± 0.12

0.468

PaCO₂ (mmHg)

52.56 ± 13.82

48.24 ± 13.20

0.484

55.82 ± 17.49

45.94 ± 13.82

0.206

56.2 ± 16.15

46.09 ± 13.70

0.568

PaO₂ (mmHg)

81.62 ± 22.36

145.83 ± 26.86^a

0.000

78.22 ± 24.28

167.98 ± 36.85^a

0.000

77.54 ± 24.69

155.83 ± 50.85^a

0.000

SaO₂

86.77 ± 8.28

96.46 ± 2.05^a

0.002

84.91 ± 8.25

97.57 ± 1.96^a

0.000

84.63 ± 8.08

94.93 ± 6.52^a

0.006

P/F (mmHg)

81.62 ± 22.36

145.83 ± 26.86^a

0.000

78.22 ± 24.28

167.98 ± 36.85^a

0.000

77.54 ± 24.69

155.83 ± 50.85^a

0.000

Cr (ml/cmH₂O)

13.34 ± 3.66

24.26 ± 8.00^a

0.001

12.88 ± 3.20

27.51 ± 7.99^a

0.000

13.01 ± 3.09

26.67 ± 8.60^a

0.000

HCO₃⁻(mmol/L)

24.13 ± 2.99

23.02 ± 3.25

0.437

24.8 ± 3.73

22.08 ± 3.79

0.144

25.01 ± 3.33

22.54 ± 3.90

0.148