Table 2.
Procedural data
| Stented (N = 8) | Stentless (N = 32) | P‐value | |
|---|---|---|---|
| Indication | |||
| AI | 2/8 (25%) | 25/32 (78.13%) | 0.0085 |
| AS | 6/8 (75%) | 9/32 (28.13%) | 0.0358 |
| Mixed | 1/8 (12.50%) | 3/32 (9.38%) | 0.7921 |
| TAVR valve type | |||
| Medtronic | |||
| CoreValve (classic) | 3/8 (37.50%) | 9/32 (28.13%) | 0.6048 |
| EvolutR | 5/8 (62.50%) | 18/32 (56.25%) | 0.7491 |
| EvolutPRO | 0/8 (0%) | 2/32 (6.25%) | 0.4682 |
| Edwards | |||
| SAPIEN | 0/8 (0%) | 1/32 (3.13%) | 0.6126 |
| SAPIEN XT | 0/8 (0%) | 0/32 (0%) | |
| SAPIEN S3 | 0/8 (0%) | 0/32 (0%) | |
| Approach | |||
| Femoral | 7/8 (87.50%) | 30/32 (93.75%) | 0.5483 |
| Subclavian | 1/8 (12.50%) | 1/32 (3.13%) | 0.2765 |
| Transapical | 0/8 (0%) | 1/32 (3.13%) | 0.6126 |
| Previous surgical aortic valve size (mm) | 23.75, 2.12 | 26.27, 2.07 | 0.0092 |
| TAVR prosthesis size (mm) | 24.50, 1.60 | 28.38, 3.30 | 0.0028 |
| Contrast amount (mL) | 136.88, 94.65 | 219.29, 119.94 | 0.0606 |
| Device success (VARC) | 5/8 (62.5%) | 16/32 (50.0%) | 0.698 |
| • AVA > 1.2 cm2 | 5/8 (62.5%) | 25/32 (78.1%) | 0.3613 |
| • Mean aortic gradient <20 mmHg | 8/8 (100%) | 31/32 (96.9%) | 0.6126 |
| • Moderate–severe aortic paravalvular regurgitation | 0/8 (0%) | 3/32 (9.4%) | 0.3679 |
| • Requiring second valve | 0/8 (0%) | 11/32 (34.4%) | 0.0514 |
| Procedure success | 8/8 (100%) | 31/32 (96.9%) | 0.5064 |
|
Indexed effective orifice area (iEOA) pre‐TAVR
• Mean iEOA |
0.36, 0.11 | 0.87, 0.36 | 0.0016 |
|
Indexed effective orifice area (iEOA) post‐TAVR
• Mean iEOA |
0.69, 0.34 | 0.87, 0.31 | 0.1496 |