Table 3.
Hemodynamics
| All Patients | Impella Pre-PCI | Impella Post-PCI | |||||||
|---|---|---|---|---|---|---|---|---|---|
| N = 154 (mean ± SD or %) | N = 63 (mean ± SD or %) | N = 91 (mean ± SD or %) | |||||||
| Pre-support | On Support | P-Value | Pre-support | On Support | P-Value | Pre-support | On Support | P-Value | |
| SBP, mmHg | 85.4 ± 25.6 (143) | 126.7 ± 31.4 (144) | <0.0001 | 92.9 ± 27.7 (59) | 127.5 ± 30.6 (59) | <0.0001 | 80.2 ± 22.9 (84) | 126.8 ± 32.2 (84) | <0.0001 |
| DBP, mmHg | 50.8 ± 18.6 (143) | 78.7 ± 21.1 (143) | <0.0001 | 55.2 ± 18.6 (59) | 79.7 ± 18.5 (59) | <0.0001 | 47.8 ± 18.0 (84) | 78.0 ± 22.8 (84) | <0.0001 |
| MAP, mmHg | 62.7 ± 19.2 (143) | 94.4 ± 23.1 (143) | <0.0001 | 67.9 ± 20.7 (59) | 94.5 ± 21.3 (59) | <0.0001 | 59.1 ± 17.3 (84) | 94.4 ± 24.4 (84) | <0.0001 |
| PCWP, mmHg | 31.9 ± 11.1 (25) | 19.2 ± 9.7 (25) | <0.0001 | 30.8 ± 7.8 (11) | 19.7 ± 7.9 (11) | 0.004 | 32.7 ± 13.4 (14) | 18.9 ± 11.1 (14) | 0.004 |
| Cardiac output, L/min | 3.4 ± 1.3 (23) | 5.3 ± 1.7 (23) | <0.0001 | 3.6 ± 1.9 (7) | 4.4 ± 2.2 (7) | 0.022 | 3.4 ± 0.9 (16) | 5.8 ± 1.3 (16) | <0.0001 |
| Cardiac index, L/min/m2 | 1.9 ± 0.7 (23) | 2.7 ± 0.7 (23) | <0.0001 | 1.9 ± 0.9 (7) | 2.3 ± 0.8 (7) | 0.055 | 1.9 ± 0.6 (16) | 2.9 ± 0.6 (16) | <0.0001 |
| Cardiac power output, W | 0.48 ± 0.17 (23) | 1.06 ± 0.48 (23) | <0.0001 | 0.54 ± 0.2 (7) | 0.83 ± 0.4 (7) | 0.035 | 0.46 ± 0.1 (16) | 1.2 ± 0.5 (16) | <0.0001 |
SBP, Systolic blood pressure; DBP, diastolic blood pressure; MAP, mean arterial pressure; PCWP, pulmonary capillary wedge pressure.