Table 2 Arterial blood gas values and blood pressure during tNAVA and cNAVA for each condition (n = 9)

pH

tNAVA

7.34 ± 0.03

7.34 ± 0.04

7.29 ± 0.06

7.32 ± 0.02

7.33 ± 0.04

7.33 ± 0.06

cNAVA

7.34 ± 0.03

7.33 ± 0.05

7.28 ± 0.06*

7.32 ± 0.02

7.33 ± 0.04

7.31 ± 0.06

PaO₂ (mm Hg)

tNAVA

192 ± 114

131 ± 25

92 ± 32

165 ± 113

176 ± 45

71 ± 21

cNAVA

195 ± 113

143 ± 40

119 ± 55*

174 ± 124

180 ± 32

78 ± 27

FiO₂ (%)

tNAVA

41 ± 4

38 ± 9

90 ± 10

43 ± 29

46 ± 8

87 ± 8

cNAVA

41 ± 4

38 ± 9

90 ± 10

43 ± 29

46 ± 8

87 ± 8

PaO₂/FIO₂

tNAVA

479 ± 53

315 ± 42

107 ± 54

400 ± 113

385 ± 70

83 ± 32

cNAVA

490 ± 50

344 ± 83

140 ± 90

417 ± 125

397 ± 54

91 ± 38

PaCO₂ (mm Hg)

tNAVA

64 ± 3

61 ± 3

52 ± 11

66 ± 3

58 ± 11

52 ± 13

cNAVA

64 ± 6

62 ± 7

53 ± 15

66 ± 4

57 ± 13

52 ± 11

SaO₂ (%)

tNAVA

98 ± 2

98 ± 1

93 ± 4

97 ± 2

99 ± 0

91 ± 4

cNAVA

98 ± 2

98 ± 1

97 ± 3

94 ± 9

99 ± 0

92 ± 4

MAP (mm Hg)

tNAVA

82 ± 6

81 ± 8

65 ± 10

74 ± 12

70 ± 12

66 ± 12

cNAVA

80 ± 8*

76 ± 6*

59 ± 11*

72 ± 10*

67 ± 13*

64 ± 12*