Table 2 Effects of prone position ventilation on respiratory, gas exchange, and hemodynamics

MV (l/min)

7.47 ± 1.09

7.29 ± 0.92

7.62 ± 1.32

Crs (ml/cmH₂O)

27.70 ± 11.65

30.03 ± 11.36

33.52 ± 12.87^a

Set FiO₂

0.70 [0.60–0.89]

0.60 [0.59–0.69]

0.60 [0.40–0.65]

PaO₂ (mmHg)

66.98 ± 12.15

100.44 ± 20.54^a

125.35 ± 34.85^a

PaO₂/FiO₂ (mmHg)

95.40 ± 27.45

161.90 ± 44.68^a

221.40 ± 54.64^{a, b}

PaCO₂ (mmHg)

50.55 [41.50–63.35]

56.45 [46.33–69.93]

49.90 [42.88–68.58]

ETCO₂ (mmHg)

36.00 [34.00–48.75]

41.00 [35.00–50.00]

37.50 [33.00–43.25]

Dead space-ABG

26.84 [17.66–34.42]

24.56 [21.64–33.43]

20.02 [17.61–37.17]

HR (bpm)

113.30 ± 19.81

108.00 ± 20.56

106.90 ± 24.53

SBP (mmHg)

116.20 ± 17.50

120.50 ± 17.80

121.60 ± 19.00

MAP (mmHg)

76.93 ± 15.97

84.83 ± 13.77

84.60 ± 17.33

CVP (mmHg)

10.00 [8.00–14.50]

14.00 [10.50–15.00]

13.00 [11.00–15.00]

Norepinephrine (µg/kg/min)

0.17 [0–0.175]

0.08 [0–0.175]

0.02 [0–0.088]^a