Table 3.
Prosthetic valve characteristics and echocardiographic findings among patients undergoing TAVI by post-procedure MR improvement.
| Improved (N = 31) | Not-improved (N = 34) | p-value | |
|---|---|---|---|
| Valve type | 0.424 | ||
| Edwards SAPIEN | 18 (43.9%) | 23 (56.1%) | |
| CoreValve | 13 (54.2%) | 11 (45.8%) | |
| Valve approach | 0.457 | ||
| Femoral | 21 (51.2%) | 20 (48.8%) | |
| Transapical | 10 (41.7%) | 14 (58.3%) | |
| Prosthesis valve size (mm) | 25.8 ± 1.9 | 25.0 ± 1.9 | 0.105 |
| Aortic valve area (cm2) | 0.59 ± 0.14 | 0.61 ± 0.14 | 0.493 |
| Aortic annulus diameter (mm) | 22.2 ± 1.8 | 21.5 ± 1.9 | 0.124 |
| Pre-mean AV gradient (mm Hg) | 52.2 ± 13.6 | 47.1 ± 11.9 | 0.112 |
| Post-mean AV gradient (mm Hg) | 11.4 ± 6.6 | 10.5 ± 4.7 | 0.529 |
| Amount of mean AV change | 40.8 ± 15.1 | 36.6 ± 11.8 | 0.222 |
| p-value for change | <0.001 | <0.001 | |
| Pre-peak AV gradient (mm Hg) | 91.6 ± 22.9 | 83.2 ± 20.7 | 0.123 |
| Post-peak AV gradient (mm Hg) | 20.0 ± 9.1 | 21.2 ± 8.9 | 0.611 |
| Amount of peak AV change | 71.6 ± 23.8 | 61.5 ± 20.3 | 0.071 |
| p-value for change | <0.001 | <0.001 | |
| Pre-LV ejection fraction (%) | 51.1 ± 11.8 | 50.0 ± 13.0 | 0.716 |
| Post-LV ejection fraction (%) | 52.5 ± 11.3 | 48.8 ± 13.2 | 0.235 |
| Amount of LV ejection fraction change | −1.5 ± 7.1 | 0.8 ± 7.2 | 0.214 |
| p-value for change | 0.256 | 0.544 | |
| Pre-pulmonary artery pressure (mmHg) | 44.9 ± 14.5 | 41.6 ± 16.9 | 0.419 |
| Post-pulmonary artery pressure (mmHg) | 37.0 ± 13.2 | 41.0 ± 18.8 | 0.372 |
| Amount of PAP change | 8.3 ± 13.8 | 0.7 ± 14.0 | 0.049 |
| p-value for change | 0.005 | 0.793 |