Procedural characteristics of the study population
| Procedural characteristics | n=370 |
| Number of pre(TAVR BAV, n (%)) | |
| 1 | 341 (91%) |
| 2 | 23 (6%) |
| 3 | 5 (1%) |
| 4 | 1 (0%) |
| Number of valves, n (%) | |
| 1 | 354 (97%) |
| 2 | 15 (4%) |
| 3 | 1(0%) |
| Number of post(dilations after TAVR, n (%)) | |
| 0 | 317 (86%) |
| 1 | 49 (13%) |
| 2 | 3 (1%) |
| 3 | 1 (1%) |
| Total number of dilations during TAVR, n (%) | |
| 1–2 | 293 (79%) |
| 3 | 56 (16%) |
| 4+ | 23 (6%) |
| Procedural time (min) | 111.5 (43.3) |
| Periprosthetic aortic regurgitation, n (%) | |
| None | 44 (12%) |
| Trivial | 183 (49%) |
| Mild | 99 (27%) |
| Mild/moderate | 31 (8%) |
| Moderate | 13 (4%) |
| Cardiopulmonary bypass, n (%) | |
| None | 354 (96%) |
| Prophylactic | 4 (1%) |
| Emergent | 12 (3%) |
| Intra(aortic balloon pump, n (%)) | 6 (2%) |
| Systolic blood pressure (mm Hg) | 126.6 (26.3) |
| Diastolic blood pressure (mm Hg) | 61.2 (14) |
| Mean arterial pressure (mm Hg) | 83 (15.9) |
| Intraoperative blood products (%) | 126 (34%) |
| Valve size (mm), n (%) | |
| 23 | 127 (34%) |
| 26 | 213 (57%) |
| 29 | 30 (8%) |
| Access, n (%) | |
| Transapical | 168 (45%) |
| Transfemoral | 182 (49%) |
| Other | 20 (5%) |
BAV, balloon aortic valvuloplasty; TAVR, transcatheter aortic valve replacement.