Haemodynamic variables under different test conditions
| Baseline | VC occlusion | Aortic occlusion | |
|---|---|---|---|
| Heart rate (beats/min) | 105 (20) | 106 (23) | 98 (18) |
| Systolic BP (mm Hg) | 100 (17) | 47 (11)*** | 125 (32)1-150 |
| MAP (mm Hg) | 85 (18) | 34 (11)*** | 102 (26)1-150 |
| Peak flowFP (ml/s) | 137 (41) | 46 (24)*** | 78 (15)*** |
| Peak flowPW (ml/s) | 136 (34) | 79 (16)*** | 73 (20)*** |
| Peak flowCW(ml/s) | 156 (46) | 89 (35)*** | 99 (21)** |
| Instantaneous power (W) | 1.84 (0.73) | 0.29 (0.23)*** | 1.28 (0.47)** |
| FlowFP × MAP (W) | 1.62 (0.71) | 0.23 (0.20)*** | 1.08 (0.41) |
| FlowPW × MAP (W) | 1.48 (0.51) | 0.33 (0.14)*** | 1.06 (0.30)1-150 |
| FlowCW × MAP (W) | 1.66 (0.60) | 0.40 (0.18)*** | 1.32 (0.35) |
Values are mean (SD).
↵1-150 p < 0.05, **p < 0.01, ***p < 0.001 vbaseline.
BP, blood pressure; CW, continuous wave Doppler; FP, flow probe; MAP, mean arterial pressure; PW, pulse wave Doppler; VC, inferior vena cava.