Table 3.
Echocardiographic changes after TAVI.
| All patients (n = 132) | Baseline | post-TAVI | p-value |
|---|---|---|---|
| Aortic stenosis severity | |||
| Vmax, m/s | 4.67 ± 0.8 | 2.2 ± 0.5 | <0.001 |
| Mean gradient, mmHg | 57.6 ± 19.4 | 12.1 ± 5.0 | <0.001 |
| AVA, cm2 | 0.72 ± 0.3 | 1.7 ± 0.6 | <0.001 |
| AVAi, cm2/m2 | 0.4 ± 0.2 | 1.0 ± 0.3 | <0.001 |
| Aortic regurgitation | 1.2 ± 0.7 | 0.8 ± 0.6 | <0.001 |
| Left ventricle | |||
| LVEF, % | 51.4 ± 12.1 | 55.1 ± 10.0 | 0.008 |
| LV-GLS, % | −12.3 ± 4.2 | −13.9 ± 4.0 | 0.002 |
| LVMi, g/m2 | 180.8 ± 50.5 | 155.8 ± 42.7 | <0.001 |
| E/A | 1.2 ± 0.8 | 0.9 ± 0.4 | 0.001 |
| Mitral regurgitation | 1.3 ± 0.6 | 1.1 ± 0.5 | 0.003 |
| Left atrium | |||
| LAAi, cm2/m2 | 15.3 ± 3.2 | 14.2 ± 3.2 | 0.007 |
| LAVi, ml/m2 | 55.3 ± 19.0 | 49.1 ± 18.2 | 0.007 |
| LA-GLS, % (LAɛ) | 12.4 ± 6.9 | 15.6 ± 7.3 | <0.001 |
| Right ventricle | |||
| TAPSE, cm/s | 2.0 ± 0.4 | 2.1 ± 0.4 | 0.374 |
| S’RV, cm/s | 10.4 ± 2.8 | 12.3 ± 6.8 | 0.004 |
| FAC, % | 0.41 ± 0.1 | 0.42 ± 0.1 | 0.017 |
| PASP, mmHg | 40.2 ± 15 | 33.7 ± 11 | <0.001 |
| PAPm, mmHg | 26.3 ± 9 | 22.1 ± 7 | <0.001 |
| RA, mm | 37.7 ± 8.4 | 36.3 ± 7.9 | 0.178 |
| RV, mm | 34.3 ± 6.1 | 33.7 ± 5.9 | 0.378 |
| Tricuspid regurgitation | 0.98 ± 0.86 | 0.97 ± 0.77 | 0.944 |
| RV-GLS, % | −17.3 ± 6.0 | −18.6 ± 5.7 | 0.083 |
| RV-FWLS, % | −21.9 ± 7.5 | −23.2 ± 7.7 | 0.168 |
| RV-IVS, % | −11.1 ± 6.2 | −13.0 ± 5.1 | 0.010 |
| TAPSE/PASP, cm/mmHg | 0.59 ± 0.3 | 0.71 ± 0.3 | <0.001 |
| RV-GLS/PSAP | 0.51 ± 0.27 | 0.61 ± 0.26 | 0.002 |
| RV-FWLS/PSAP | 0.64 ± 0.34 | 0.75 ± 0.33 | 0.007 |
Values are mean ± SD. TAVI, transcatheter aortic valve implantation. Vmax, maximum aortic velocity; AVA, aortic valve area; AVAi, aortic valve area index; LVEF, left ventricle ejection fraction; LV-GLS, left ventricle global longitudinal strain; LA, left atrium; LAAi, LA area index; LAVi, LA volume index; LVMi, LV mass index; LA-GLS, LA global longitudinal strain; TAPSE, tricuspid annular plane systolic excursion; S`RV, peak systolic myocardial velocity at the lateral site of the tricuspid annulus; PASP, systolic pulmonary artery pressure; PAPm, mean pulmonary artery pressure; FAC, right ventricle fractional area change; RA, right atrium; RV, right ventricle; RV-GLS, RV global longitudinal strain; RV-FWLS, RV free wall longitudinal strain; RV-IVS, RV interventricular septum strain.