Table 3.
Comparison of Preimplant and Preexplant Hemodynamic Parameters, n=7
| Hemodynamic Parameter | Preimplant, Mean ± SD | Preexplant, Mean ± SD | P Value |
|---|---|---|---|
| Right atrial pressure, mmHg | 12.3 ± 3.4 | 5.0 ± 4.0 | 0.022 |
| Right ventricular systolic pressure, mmHg | 56.5 ± 10.2 | 29.2 ± 11.2 | 0.067 |
| Right ventricular end-diastolic pressure, mmHg | 17.3 ± 2.1 | 7.6 ± 5.1 | 0.176 |
| Pulmonary artery systolic pressure, mmHg | 54.8 ± 13.5 | 30.7 ± 9.3 | 0.036 |
| Pulmonary artery diastolic pressure, mmHg | 27.3 ± 5.5 | 8.9 ± 4.1 | 0.003 |
| Mean pulmonary artery pressure, mmHg | 36.0 ± 7.8 | 15.4 ± 7.1 | 0.01 |
| Pulmonary capillary wedge pressure, mmHg | 23.3 ± 6.5 | 7 ± 4.3 | 0.035 |
| Transpulmonary gradient, mmHg | 11.0 ± 6.9 | 9.8 ± 2.8 | 0.678 |
| Diastolic pulmonary vascular pressure gradient, mmHg | 4.0 ± 3.7 | 3.2 ± 4.0 | 0.862 |
| Cardiac output, L/min | 3.6 ± 1.3 | 5.5 ± 1.8 | 0.004 |
| Cardiac index, L/min/m2 | 1.8 ± 0.5 | 2.7 ± 0.7 | 0.008 |
| Pulmonary vascular resistance, Wood units | 3.6 ± 1.5 | 1.9 ± 0.5 | 0.08 |
| Systemic vascular resistance, dyn·s/cm5 | 1,725.8 ± 779.5 | 1,248.3 ± 753.9 | 0.06 |
Note: P<0.05 is statistically significant.