Table 2.
Intraoperative variables
| Avalus | Magna | p value | |
|---|---|---|---|
| n = 87 | n = 381 | ||
| Procedure | |||
| Isolated AVR | 41 (47.1) | 204 (53.5) | 0.336 |
| MICS procedure | 12 (13.8) | 22 (5.8) | 0.018 |
| Right thoracotomy | 12 (13.8) | 11 (2.9) | < 0.001 |
| Partial sternotomy | 0 (0.0) | 11 (2.9) | 0.365 |
| Concomitant procedure | |||
| Ascending aorta surgery | 9 (10.3) | 37 (9.7) | 1 |
| Coronary artery bypass grafting | 12 (13.8) | 78 (20.5) | 0.202 |
| Mitral valve repair | 11 (12.6) | 25 (6.6) | 0.09 |
| Tricuspid valve repair | 6 (6.9) | 12 (3.2) | 0.185 |
| Maze procedure | 11 (12.6) | 32 (8.4) | 0.303 |
| Myectomy | 3 (3.4) | 10 (2.6) | 0.952 |
| Nicks procedure | 2 (2.3) | 7 (1.8) | 1 |
| Operation time (min) | 264 [217, 315] | 279 [236, 341] | 0.017 |
| Aortic cross-clamp time (min) | 90 [74, 114] | 89 [72, 113] | 0.352 |
| Cardiopulmonary bypass time (min) | 128[105, 161] | 133[107, 163] | 0.57 |
| Prosthesis size (mm) | 0.485 | ||
| 19 | 17 (19.5) | 88 (23.1) | |
| 21 | 23 (26.4) | 123 (32.3) | |
| 23 | 30 (34.5) | 98 (25.7) | |
| 25 | 12 (13.8) | 46 (12.1) | |
| 27 | 5 (5.7) | 26 (6.8) |
Data are presented as median [interquartile range] or number (%). AVR, aortic valve replacement; MICS, minimally invasive cardiac surgery