TABLE 1.
List of parameters of the cardiorespiratory simulator: VO2, oxygen consumption; PVR, pulmonary vascular resistance; SVR, systemic vascular resistance; al and bl (ar and br), filling characteristic of the left (right) ventricle; Els (Ers), end-systolic elastance of the left (right) ventricle; HR, heart rate; Ve ventilation.
| VO2 | HVAD speed | PVR | SVR | al | bl | ar | br | Els | Ers | HR | Ve | Frequency Ve | Tidal volume | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| mL/min | rpm | Wood units | Wood units | mmHg | mL−1 | mmHg | mL−1 | mmHg/mL | mmHg/mL | bpm | L/min | n/min | mL | |
| Step 1—rest | 332 | 2,620 | 13.9 | 0.58 | 0.61 | 79 | 10.6 | 21 | 512 | |||||
| Step 2—Group1 exe. (44 W) | 717 | 2,620 | 13.2 | 0.63 | 0.66 | 98 | 22.5 | 25 | 900 | |||||
| Step 3—Group1. exe. (44 W) + increased HVAD speed | 717 | 2,920 | 1.67 | 13.2 | 1.000 | 0.017 | 0.044 | 0.045 | 0.62 | 0.66 | 97 | 25.0 | 25 | 1,000 |
| Step 4—Group2. exe. (90 W) (peak values) | 1,155 | 2,620 | 10.1 | 0.67 | 0.7 | 119 | 38.5 | 28 | 1,360 |