Table 2.
Perioperative characteristics for patients undergoing transcatheter aortic valve replacement
| Variable |
Preop PPM (n = 126) |
New or worsening LBBB |
P value | |
|---|---|---|---|---|
| No (n = 372) | Yes (n = 52) | |||
| Elective procedure | 121 (96.0%) | 366 (98.4%) | 51 (98.1%) | 0.29 |
| Procedure indication | ||||
| Aortic stenosis | 119 (94.4%) | 354 (95.2%) | 51 (98.1%) | 0.57 |
| Valve-in-valve | 6 (4.8%) | 16 (4.3%) | 0 (0.0%) | 0.30 |
| Aortic insufficiency | 1 (0.8%) | 2 (0.5%) | 1 (1.9%) | 0.54 |
| Cardiopulmonary bypass | 2 (1.6%) | 8 (2.2%) | 1 (1.9%) | 0.93 |
| General anesthesia | 121 (96.0%) | 333 (89.5%) | 46 (88.5%) | 0.07 |
| Inotropes (preop) | 2 (1.6%) | 2 (0.5%) | 1 (1.9%) | 0.40 |
| Access | ||||
| Transfemoral | 106 (84.1%) | 310 (83.3%) | 49 (94.2%) | 0.12 |
| Transapical | 18 (14.3%) | 51 (13.7%) | 1 (1.9%) | 0.05 |
| Transaortic | 2 (1.6%) | 11 (3.0%) | 2 (3.9%) | 0.63 |
| Valve type | ||||
| Sapien | 24 (19.0%) | 68 (18.3%) | 4 (7.7%) | 0.15 |
| Sapien XT | 49 (38.9%) | 123 (33.1%) | 10 (19.2%) | 0.04 |
| Sapien 3 | 35 (27.8%) | 132 (35.5%) | 33 (63.5%) | <0.001 |
| CoreValve | 17 (13.5%) | 33 (8.9%) | 4 (7.7%) | 0.28 |
| Evolut | 1 (0.8%) | 16 (4.3%) | 1 (1.9%) | 0.14 |
| PPM predischarge | N/A | 84 (22.6%) | 6 (11.5%) | 0.10 |
| Hospital mortality | 0 (0.0%) | 9 (2.4%) | 1 (1.9%) | 0.21 |
| Length of stay (days) | 4.4 ± 5.4 | 4.6 ± 5.5 | 4 ± 3.0 | 0.79 |
| Vascular complications | 19 (15.1%) | 57 (15.3%) | 11 (21.2%) | 0.54 |
| Reoperation | 3 (2.4%) | 13 (3.5%) | 0 (0.0%) | 0.34 |
| Cardiac arrest | 3 (2.4%) | 11 (3.0%) | 0 (0.0%) | 0.44 |
| Atrial fibrillation | 14 (11.1%) | 66 (17.7%) | 7 (13.5%) | 0.19 |
LBBB indicates left bundle branch block; PPM, permanent pacemaker.