Table 4.
Procedural characteristics and immediate complications of the patients in this study.
| Sapien XT (N = 20) | Sapien 3 (N = 36) | P-value | |
|---|---|---|---|
| Vascular access | |||
| Trans-femoral, n (%) | 19 (95%) | 35 (97%) | 1 |
| Trans-apical, n (%) | 1 (5%) | 1 (3%) | 1 |
| Pre-dilatation, n (%) | 20 (100%) | 29 (81%) | 0.092 |
| Post-dilation, n (%) | 7 (35%) | 32 (89%) | <0.001 |
| Implantation depth from annulus, mm | 2.20 ± 1.60 | 2.36 ± 1.25 | 0.677 |
| Device success, n (%) | 17 (85%) | 34 (94%) | 0.485 |
| Paravalvular leakage ≧ moderate, n (%) | 2 (10%) | 1 (3%) | 0.596 |
| 2nd device needed, n (%) | 0 (0%) | 0 (0%) | - |
| Post-TAVR trans-valvular PG ≧ 20 mmHg, n (%) | 0 (0%) | 1 (3%) | 1 |
| Procedural success, n (%) | 19 (95%) | 36 (100%) | 0.764 |
| Conversion to SAVR, n (%) | 0 (0%) | 0 (0%) | - |
| Coronary obstruction, n (%) | 2 (10%) | 0 (0%) | 0.238 |
| Annulus rupture, n (%) | 0 (0%) | 0 (0%) | - |
| Left ventricular rupture, n (%) | 0 (0%) | 0 (0%) | - |
| Emergency CPB/ECMO, n (%) | 1 (5%) | 0 (0%) | 0.764 |
| Total procedure time, min | 38.70 ± 25.54 | 31.11 ± 12.14 | 0.137 |
| Total fluoroscopic time, min | 22.93 ± 12.36 | 19.25 ± 7.15 | 0.163 |
| Total contrast volume, mL | 148.55 ± 56.20 | 99.97 ± 28.27 | 0.001 |
TAVR, transcatheter aortic valve replacement; PG, pressure gradient; SAVR, surgical aortic valve replacement; CPB/ECMO, cardiopulmonary bypass/extracorporeal membrane oxygenation.