Table 2.
Preoperative imaging and valve hemodynamic
| Overall (N = 180) |
TA-TAVI (N = 90) |
TF-TAVI (N = 90) | p | |
|---|---|---|---|---|
| Transaortic valve gradient (mmHg) | 67 ± 26 | 62 ± 25 | 71 ± 28 | |
| Mean aortic valve area (cm2) | 0.9 ± 3.4 | 1.2 ± 4.8 | 0.7 ± 0.2 | |
| Indexed aortic valve area (cm2/m2) | 0.4 ± 0.1 | 0.4 ± 0.1 | 0.4 ± 0.1 | |
| Mean left ventricular ejection fraction (%) | 54 ± 13 | 52 ± 12 | 56 ± 13 | |
| > 50% | 101 (56%) | 42 (47%) | 59 (66%) | 0.008* |
| 30–50% | 70 (39%) | 42 (47%) | 28 (32%) | |
| < 30% | 8 (4%) | 6 (6%) | 2 (2%) | |
| Pulmonary hypertension | 101 (56%) | 48 (53%) | 53 (59%) | 0.453* |
| Mean aortic annulus diameter measured with CT-scan (mm) | 23 ± 2.3 | 23 ± 2.5 | 24 ± 2.1 | |
| Mean aortic annulus diameter measured with TOE (mm) | 23 ± 2.2 | 22 ± 2 | 22 ± 2.4 | |
| Mean distance: annulus-left coronary ostium (mm) | 13 ± 2.9 | 12 ± 2 | 14 ± 3.2 | |
| Mean distance: annulus-right coronary ostium (mm) | 134 ± 4 | 12 ± 3 | 15 ± 4.4 |
Data presented as mean ± SD or N (%). * Chi2 value
CT Computed Tomography, TOE Transoesophageal echocardiography