Table 3 Maximum pressure, \({P}_{\max }\), and pulse pressure, PP, values [mmHg] at different significant sites in supine 1G and 0G conditions, with relative variations [%].

From: Cardiovascular deconditioning during long-term spaceflight through multiscale modeling

Cardiovascular region

\({P}_{\max }\) [mmHg]

PP [mmHg]

 

1G

0G

Variation [%]

1G

0G

Variation [%]

Arterial tree pathway (1D)

 Ascending aorta

121.03

104.82

−13.39%

51.04

39.66

−22.30%

 Thoracic aorta

129.83

114.49

−11.82%

61.77

51.04

−17.37%

 Abdominal aorta A

123.92

109.98

−11.25%

58.75

48.83

−16.89%

 Abdominal aorta E

135.38

119.27

−11.90%

72.78

60.26

−17.20%

 External iliac

135.07

119.46

−11.56%

74.55

62.15

−16.63%

 Femoral

135.63

119.75

−11.71%

76.97

63.71

−17.23%

Cerebral region (0D–1D)

 HA veins

7.33

6.84

−6.68%

0.72

0.64

−11.11%

 Left vertebral

133.17

117.39

−11.85%

65.80

54.55

−17.10%

 Left vertebral arterioles

82.67

74.08

−10.39%

25.66

19.77

−22.95%

 Left internal carotid

140.36

124.19

−11.52%

74.99

62.99

−16.00%

 Left internal carotid arterioles

101.30

90.77

−10.40%

39.52

32.47

−17.84%

 Left external carotid

141.51

125.13

−11.58%

76.19

63.99

−16.01%

 Left external carotid arterioles

100.25

89.30

−10.92%

38.03

30.53

−19.72%

Cardio-thoracic region (0D–1D)

 LA and MV

8.67

8.54

−1.50%

2.49

2.27

−8.84%

 LV and AV

121.27

105.10

−13.33%

118.26

101.38

−14.27%

 RA and TV

7.93

7.42

−6.43%

3.12

3.12

 RV and PV

23.56

21.08

−10.53%

20.40

17.73

−13.09%

 Pulmonary arteries

23.35

20.92

−10.41%

13.49

10.93

−18.98%

 Pulmonary veins

9.10

8.68

−4.62%

1.21

0.83

−31.40%

 SVC

9.09

8.59

−5.50%

4.77

5.00

+4.82%

 IVC

7.91

7.14

−9.73%

2.73

1.83

−32.97%

 Intercostals

141.78

124.59

−12.12%

74.57

61.88

−17.02%

 Intercostals arterioles

115.90

103.48

−10.72%

51.63

43.67

−15.42%

 Left brachial

130.85

115.57

−11.68%

63.59

52.85

−16.89%

Abdominal region and organs (0D–1D)

 Gastric

130.97

116.02

−11.41%

67.09

56.02

−16.50%

 Gastric arterioles

56.93

50.23

−11.77%

16.94

13.02

−23.14%

 Celiac A

135.66

119.61

−11.83%

70.55

58.49

−17.09%

 Left renal

127.89

113.58

−11.19%

64.44

53.80

−6.51%

 Left renal arterioles (U and L)

78.37

68.11

−13.09%

24.92

18.91

−24.12%

 U ABD venules

13.64

12.39

−9.16%

1.60

1.15

−28.12%

 L ABD venules

13.81

13.03

−5.65%

1.74

1.38

−20.69%

Lower limbs region (0D−1D)

 Inner iliac

137.60

121.48

−11.72%

76.79

63.97

−16.69%

 Inner iliac arterioles

105.54

90.17

−14.56%

46.21

35.46

−23.26%

 Deep femoral

136.30

120.03

−11.94%

77.21

63.70

−17.50%

 Deep femoral arterioles

86.66

73.92

−14.70%

33.69

25.66

−23.83%

 Anterior tibial

144.32

124.92

−13.44%

91.07

73.91

−18.84%

 Anterior tibial arterioles

45.93

40.33

−12.19%

14.13

10.91

−22.79%

 Posterior tibial

144.91

125.36

−13.49%

91.46

74.11

−18.97%

 Posterior tibial arterioles

85.48

72.87

−14.75%

35.96

27.65

−23.11%

 Legs capillaries

31.59

29.23

−7.47%

8.30

6.71

−19.16%

 Legs veins

7.78

7.32

−5.91%

0.25

0.11

−56.00%