Table 2.
Echocardiographic characteristics at baseline
| Echocardiographic characteristics | All patients (n = 150) | Transfemoral approach (n = 78) | Transapical approach (n = 72) | p |
|---|---|---|---|---|
| Mean gradient (mmHg) | 52.8 +/− 11.5 | 52.8 +/− 11.2 | 52.8 +/− 11.8 | 0.626 |
| Maximal gradient (mmHg) | 83.7 +/− 16.1 | 85.2 +/− 15.7 | 82.2 +/− 16.5 | 0.064 |
| Vmax (m/s) | 4.3 +/− 0.8 | 4.6 +/− 0.7 | 4.7 +/− 0.7 | 0.678 |
| Aortic area (cm2) | 0.6 +/− 0.2 | 0.6 +/− 0.1 | 0.6 +/− 0.2 | 0.778 |
| LVEF (%) | 52.8 +/− 12.5 | 51.3 +/− 13.1 | 54.5 +/− 11.7 | 0.140 |
| Diastolic function E/E’ | 11.4 +/− 4.2 | 12.0 +/− 4.7 | 10.9 +/− 3.5 | 0.115 |
| Aortic annulus diameter (mm) | 22.4 +/− 2.7 | 22.1 +/− 3.1 | 22.8 +/− 2.2 | 0.089 |
| IVS (mm) | 12.4+/− 3.0 | 12.6 +/− 2.4 | 12.7 +/− 2.3 | 0.936 |
| Aortic regurgitation | 74 (49.3 %) | 36 (46.2 %) | 38 (52.8 %) | 0.137 |
| Grade 1 | 38 (26 %) | 22 (28.2 %) | 17 (23.6 %) | NS |
| Grade 2 | 34 (22 %) | 12 (15.3 %) | 21 (29.2 %) | NS |
| Grade 3 | 2 (1.3 %) | 2 (2.6 %) | 0 (%) | NS |
| Mitral regurgitation | 63 (42 %) | 27 (34.6 %) | 36 (50.0 %) | 0.128 |
| Grade 1 | 29 (19.3 %) | 12 (15.4 %) | 17 (23.6 %) | NS |
| Grade 2 | 31 (20.7 %) | 15 (19.2 %) | 16 (22.2 %) | NS |
| Grade 3 | 3 (2 %) | 0 (0 %) | 3 (4.2 %) | NS |
| PASP (mmHg) | 46.3 +/− 12.6 | 47.6 +/− 13.0 | 44.7 +/− 12.0 | 0.147 |
| TAPSE (mm) | 15 +/− 3 | 14.6 +/− 3.2 | 15.8 +/− 2.8 | 0.013 |
| Bicuspid aortic valve | 1 (0.7 %) | 0 (0 %) | 1 (1.4 %) | NS |
IVS interventricular septum, LVEF left ventricular ejection fraction, PASP pulmonary artery systolic pressure, TAPSE tricuspid annular plane systolic excursion