Table 2.
Echocardiographic and hemodynamic changes at baseline and after TAVI
| Variable | T-1 | T+1 | P-value |
|---|---|---|---|
| Echocardiographic measurements | |||
| Ejection fraction (%) | 55.4±12.7 | 55.6±11.9 | 0.576 |
| Peak AoV (m/s) | 4.1±0.7 | 2.1±0.4 | <0.0001 |
| Peak transvalvular gradient (mmHg) | 68.2±23.2 | 17.0±7.9 | <0.001 |
| Mean transvalvular gradient (mmHg) | 41.5±15.7 | 9.5±5.3 | <0.001 |
| Hemodynamic measurements | |||
| Systolic blood pressure (mmHg) | 130.3±22.9 | 119.5±15.8 | 0.005 |
| Diastolic blood pressure (mmHg) | 74.8±14.5 | 65.0±11.3 | <0.001 |
| Mean arterial pressure (mmHg) | 100.1±17.0 | 89.9±12.1 | 0.001 |
| Pulse pressure (mmHg) | 55.6±16.1 | 54.5±12.5 | 0.64 |
| Heart rate (bpm) | 66.6±13.0 | 70.3±10.2 | 0.081 |
| Stroke volume (mL) | 71.9±12.5 | 75.8±18.1 | 0.25 |
| Cardiac output (L/min) | 4.7±0.9 | 5.3±1.1 | 0.019 |
| Cardiac index (L/m*1/m2) | 2.5±0.6 | 2.8±0.6 | 0.023 |
| Augmentation index (%) | 27.7±13.9 | 17.6±13.6 | 0.002 |
| Aortic pulse wave velocity (m/s) | 12.1±1.9 | 11.6±1.6 | 0.006 |
| Peripheral vascular resistance (s*mmHg/mL) | 1.31±0.3 | 1.07±0.2 | <0.001 |
Notes: T-1: 1 day before TAVI. T+1: 1 day after TAVI.
Abbreviation: AoV, aortic valve.