Parameters

Type of surgery

Before surgery (BS)

After surgery (AS)

Trends in the alterations within groups

1 h

4 h

20 h

HR

(beats/min)

OPCAB

63.07 ± 0.55

69.23 ± 1.17

73.41 ± 1.52

87.07 ± 1.03

BS < 1 h = 4 h < 20 h

ONCAB

58.00 ± 0.73

63.42 ± 1.50

68.00 ± 2.05

73.23 ± 1.02

BS = 1 h = 4 h = 20 h

MAP

(mm Hg)

OPCAB

71.48 ± 8.25

78.44 ± 9.06

82.92 ± 9.57

87.15 ± 10.06

BS < 1 h < 4 h < 20 h

ONCAB

63.32 ± 0.59

67.87 ± 0.65

71.94 ± 0.78

77.16 ± 0.81

BS < 1 h < 4 h < 20 h

CVP

(mm Hg)

OPCAB

9.24 ± 0.11

10.23 ± 0.13

10.31 ± 0.12

10.48 ± 0.14

BS < 1 h = 4 h = 20 h

ONCAB

9.26 ± 0.08

9.94 ± 0.14

10.32 ± 0.14

11.19 ± 0.16

BS = 1 h = 4 h < 20 h

CO

(L/min)

OPCAB

3.88 ± 0.04

4.37 ± 0.08

4.77 ± 0.06

5.99 ± 0.06

BS <<<< 1 h <<<< 4 h <<<< 20 h

ONCAB

3.34 ± 0.08

3.58 ± 0.10

3.95 ± 0.11

5.00 ± 0.09

BS = 1 h < 4 h <<<< 20 h

CI

(L/min/m²)

OPCAB

2.19 ± 0.03

2.50 ± 0.04

2.68 ± 0.04

3.39 ± 0.02

BS <<<< 1 h <<<< 4 h <<<< 20 h

ONCAB

1.93 ± 0.02

2.08 ± 0.03

2.28 ± 0.03

2.90 ± 0.03

BS = 1 h = 4 h <<<< 20 h

SV

(ml)

OPCAB

61.33 ± 0.70

65.25 ± 0.89

65.58 ± 1.01

68.33 ± 0.74

BS < 1 h = 4 h < 20 h (trend)

ONCAB

57.87 ± 1.17

57.81 ± 1.74

59.77 ± 1.80

68.87 ± 1.05

BS = 1 h = 4 h <<<< 20 h

SVRI (dynes. s/cm⁵/m²)

OPCAB

2351.83 ± 27.16

2165.72 ± 34.06

2199.63 ± 28.59

1927.83 ± 27.19

BS >>>> 1 h = 4 h >>>> 20 h

ONCAB

2244.58 ± 35.50

2219.06 ± 46.76

2162.16 ± 45.42

1831.61 ± 22.59

BS = 1 h = 4 h >>>> 20 h

LVSWI

(g∙min/m²)

OPCAB

27.99 ± 0.42

31.68 ± 0.43

34.93 ± 0.47

39.92 ± 0.43

BS <<<< 1 h <<<< 4 h <<<< 20 h

ONCAB

24.77 ± 0.41

26.32 ± 0.56

29.16 ± 0.73

36.68 ± 0.64

BS = 1 h < 4 h <<<< 20 h