Table 3. Procedural characteristics and outcomes.
| BAV patients (n=109) | TAV patients (n=137) | p-value | ||
|---|---|---|---|---|
| Valve type | Self-expanding valve | 91 (83.5%) | 113 (82.5%) | 0.143 |
| Balloon-expandable valve | 5 (4.6%) | 14 (10.2%) | ||
| Mechanically expandable valve | 13 (11.9%) | 10 (7.3%) | ||
| Transfemoral access | 105 (96.3%) | 133 (97.1%) | 0.735 | |
| Predilatation | 106 (97.2%) | 131 (95.6%) | 0.739 | |
| Post-dilatation | 50 (45.9%) | 56 (40.9%) | 0.432 | |
| Oversizing by annulus perimeter, % | 6.52 (1.05-13.33) | 9.72 (4.31-15.13) | 0.014 | |
| Implantation depth*, mm | 4.5 (1.7-8.0) | 6.0 (3.9-11.0) | <0.001 | |
| Conversion to SAVR | 4 (3.7%) | 1 (0.7%) | 0.174 | |
| Cardiopulmonary resuscitation | 5 (4.6%) | 3 (2.2%) | 0.472 | |
| Coronary obstruction | 1 (0.9%) | 1 (0.7%) | 1.000 | |
| Myocardial infarction | 1 (0.9%) | 0 (0%) | 0.443 | |
| Bleeding¶ | 10 (9.2%) | 10 (7.3%) | 0.593 | |
| Aortic dissection | 5 (4.6%) | 0 (0%) | 0.016 | |
| Stroke | 1 (0.9%) | 1 (0.7%) | 1.000 | |
| Tamponade | 2 (1.8%) | 1 (0.7%) | 0.586 | |
| Acute kidney injury | 6 (5.5%) | 5 (3.6%) | 0.697 | |
| PPMI | 10 (9.2%) | 27 (19.7%) | 0.022 | |
| New atrial fibrillation | 3 (2.8%) | 8 (5.8%) | 0.394 | |
| Blood transfusion | 14 (12.8%) | 22 (16.1%) | 0.479 | |
| Severe patient-prosthesis mismatch | 3 (2.9%) | 4 (3.0%) | 1.000 | |
| Echocardiography before discharge | ||||
| LVEF, % | 59.7 (52.0-64.8) | 58.8 (52.1-64.2) | 0.563 | |
| Max velocity, m/s | 2.44±0.51 | 2.40±0.46 | 0.531 | |
| Mean gradient, mmHg | 12.89±5.34 | 12.35±5.01 | 0.423 | |
| Aortic valve area, cm2 | 1.57±0.29 | 1.61±0.33 | 0.332 | |
| Moderate/severe PVL | 7 (6.5%) | 16 (11.9%) | 0.162 | |
| Data are presented as n (%) or mean±SD or median (interquartile range, IQR). p-values in bold are statistically significant. *Implantation depth was measured by fluoroscopy on the non-coronary cusp direction. ¶ Life-threatening bleeding. BAV: bicuspid aortic valve; LVEF: left ventricular ejection fraction; PPMI: permanent pacemaker implantation; PVL: paravalvular leakage; SAVR: surgical aortic valve replacement; TAV: tricuspid aortic valve | ||||