Table 1.
Changes in Left and Right Ventricular Hemodynamic and Cardiac Energetic Parameters on the Basis of PVL Monitoring Before and After TEETR
| Right Ventricle |
Left Ventricle |
|||
|---|---|---|---|---|
| Before TEETR | After TEETR | Before TEETR | After TEETR | |
| Average heart rate (beats/min) | 65 | 68 | 70 | 70 |
| Average cardiac output (L/min) | 2.9 | 3.4 | 3.1 | 3.8 |
| Average stroke volume (SV, mL) | 34.4 | 37.7 | 53.4 | 67.9 |
| Stroke work (SW, mm Hg/mL) | 845.0 | 737.0 | 4,273.9 | 6,274.9 |
| Pressure-volume area (PVA single beat, mm Hg/mL) | 1,561.2 | 1,088.9 | 7,509.9 | 10,838.8 |
| SW/PVA ratio | 0.54 | 0.68 | 0.57 | 0.58 |
| Ejection fraction ([EDV − ESV] / EDV, %) | 60.4 | 47.0 | 66.8 | 69.3 |
| End-diastolic volume (EDV, mL) | 101.9 | 84.3 | 77.9 | 105.6 |
| End-diastolic pressure (EDP, mm Hg) | 3.9 | 6.0 | 8.4 | 11.4 |
| End-systolic volume (ESV, mL) | 40.3 | 44.7 | 25.9 | 32.4 |
| End-systolic pressure (ESP, mm Hg) | 17.6 | 18.3 | 97.3 | 115.4 |
| Tau (ms) | 189.7 | 70.7 | 39.3 | 43.0 |
| dP/dt max (mm Hg/s) | 201.1 | 95.7 | 868.7 | 871.0 |
| V100mmHg (mL) | 421.4 | 216.4 | 27.8 | 21.8 |
| V30mmHg (mL) | 207.5 | 146.9 | 120.2 | 145.8 |
| V15mmHg (mL) | 28.3 | 37.7 | −30.4 | −36.4 |
| End-systolic elastance (Ees, mm Hg mL) | 0.22 | 0.48 | 1.46 | 1.46 |
| V0 (mL) | −13.9 | 8.1 | −42.0 | −41.4 |
| Effective arterial elastance (Ea, mm Hg/mL) | 0.51 | 0.49 | 1.82 | 1.70 |
| Ees/Ea ratio | 0.43 | 0.98 | 0.80 | 0.86 |
| Intraventricular dyssynchrony, systolic (%) | 32.6 | 10.0 | 6.3 | 8.9 |
| Intraventricular dyssynchrony, diastolic (%) | 28.8 | 12.4 | 12.1 | 11.9 |
Values are the average numbers and therefore preclude 1:1 correlations.
dP/dt max = maximum rate of rise in ventricular pressure; PVL = pressure-volume loop; TEETR = transcatheter edge-to-edge tricuspid repair; V = volume.