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. 2020 Oct 1;6:27. doi: 10.1038/s41526-020-00117-5

Table 2.

Beat-averaged levels of pressure P¯=RRP(t)dt/RR [mmHg] and flow rate Q¯=RRQ(t)dt/RR [ml/s] at different significant sites in supine 1G and 0G conditions, with relative variations [%].

Cardiovascular region Pressure P¯ [mmHg] Flow rate Q¯ [ml/s]
1G 0G Variation [%] 1G 0G Variation [%]
Arterial tree pathway (1D)
 Ascending aorta 92.61 83.19 −10.17% 87.85 80.01 −8.92%
 Thoracic aorta 92.38 82.99 −10.16% 67.07 62.20 −7.26%
 Abdominal aorta A 90.29 81.12 −10.16% 46.95 44.04 −6.20%
 Abdominal aorta E 90.76 81.45 −10.26% 17.01 16.02 −5.82%
 External iliac 90.48 80.93 −10.55% 6.31 5.86 −7.13%
 Femoral 89.47 80.20 −10.36% 3.24 2.94 −9.26%
Cerebral region (0D–1D)
 HA veins 6.94 6.54 −5.76% 20.82 17.86 −14.22%
 Left vertebral 92.47 83.13 −10.10% 1.60 1.33 −16.88%
 Left vertebral arterioles 70.60 64.86 −8.13% 1.61 1.34 −16.77%
 Left internal carotid 92.27 83.03 −10.01% 2.16 1.76 −18.52%
 Left internal carotid arterioles 80.40 73.32 −8.81% 2.18 1.78 −18.35%
 Left external carotid 92.28 83.05 −10.00% 2.34 1.90 −18.80%
 Left external carotid arterioles 80.37 73.32 −8.77% 2.35 1.93 −17.87%
Cardio-thoracic region (0D–1D)
 LA and MV 7.51 7.39 −1.60% 87.91 80.11 −8.87%
 LV and AV 43.20 39.59 −8.36% 87.85 80.01 −8.92%
 RA and TV 6.47 6.14 −5.10% 87.90 80.15 −8.82%
 RV and PV 11.64 10.95 −5.93% 87.84 80.04 −8.88%
 Pulmonary arteries 15.42 14.59 −5.38% 87.83 80.02 −8.89%
 Pulmonary veins 8.39 8.19 −2.38% 87.86 80.05 −8.89%
 SVC 6.48 6.15 −5.09% 20.80 17.85 −14.18%
 IVC 6.50 6.17 −5.08% 67.16 62.35 −7.16%
 Intercostals 92.64 83.22 −10.17% 9.93 8.85 −10.88%
 Intercostals arterioles 85.39 76.74 −10.13% 9.89 8.85 −10.52%
 Left brachial 92.33 82.97 −10.14% 4.29 3.85 −10.27%
Abdominal region and organs (0D–1D)
 Gastric 89.36 80.44 −9.98% 4.92 4.41 −10.37%
 Gastric arterioles 48.88 44.05 −9.88% 4.92 4.42 −10.16%
 Celiac A 91.57 82.26 −10.17% 10.17 9.19 −9.63%
 Left renal 90.43 81.23 −10.17% 8.50 7.81 −8.12%
 U left renal arterioles 66.18 58.90 −11.00% 4.19 3.68 −12.17%
 L left renal arterioles 66.18 58.90 −11.00% 4.30 4.13 −3.95%
 U ABD venules 12.94 11.90 −8.04% 26.35 23.44 −11.04%
 L ABD venules 12.98 12.38 −4.62% 23.64 22.68 −4.06%
Lower limbs region (0D–1D)
 Inner iliac 90.47 81.17 −10.28% 2.20 2.15 −2.27%
 Inner iliac arterioles 78.65 69.59 −11.52% 2.20 2.15 −2.27%
 Deep femoral 89.44 80.17 −10.36% 3.08 2.93 −4.87%
 Deep femoral arterioles 68.12 59.74 −12.30% 3.07 2.93 −4.56%
 Anterior tibial 84.44 75.61 −10.46% 2.01 1.77 −11.94%
 Anterior tibial arterioles 38.20 34.16 −10.58% 2.01 1.78 −11.44%
 Posterior tibial 84.90 76.00 −10.48% 1.22 1.15 −5.74%
 Posterior tibial arterioles 64.36 56.33 −12.48% 1.23 1.16 −5.69%
 Legs capillaries 27.13 25.63 −5.53% 17.02 16.04 −5.76%
 Legs veins 7.68 7.28 −5.21% 17.03 16.04 −5.81%