Table 2.
Operative characteristics of the entire cohort.
| Variables | Total (n = 1018) |
CM (n = 137) |
No CM (n = 881) |
p Value |
|---|---|---|---|---|
| Proximal repair | ||||
| Supracoronary aortic replacemnt (%) | 311 (30.6) | 16 (11.7) | 295 (33.5) | <0.001 |
| Commissure suspension (%) | 249 (24.5) | 22 (16.2) | 227 (25.8) | 0.015 |
| AVR + supracoronary aortic replacement (%) | 16 (1.6) | 3 (2.2) | 13 (1.5) | 0.465 |
| Root replacement (%) | 351 (34.5) | 78 (56.9) | 273 (31.0) | <0.001 |
| sinus replacement with neomedia (%) | 37(3.6) | 8 (5.8) | 29 (3.3) | 0.138 |
| V-SARR (%) | 55 (5.4) | 11 (8.0) | 44 (5.0) | 0.013 |
| CABG (%) | 62 (7.3) | 36 (26.3) | 26 (3.6) | <0.001 |
| Arch vessels reconstruction, n (%) | ||||
| branched graft (%) | 694 (68.2) | 119 (86.9) | 575 (65.3) | <0.001 |
| En-bloc (%) | 323 (31.7) | 18 (13.1) | 305 (34.6) | <0.001 |
| FET (%) | 999 (98.1) | 137 (100) | 862 (97.8) | 0.083 |
| Time/Temperature | ||||
| CPB time (mean ± SD) | 246.1 ± 66.6 | 273.6 ± 78.8 | 241.863.5 | <0.001 |
| Aortic cross-clamp time (mean ± SD) | 131.3 ± 43.9 | 151.1 ± 48.5 | 128.242.3 | <0.001 |
| HCA time (mean ± SD) | 22.1 ± 8.4 | 21.2 ± 7.3 | 22.2 ± 8.6 | 0.198 |
| Lowest HCA temperature (mean ± SD) | 22.5 ± 3.4 | 22.3 ± 2.7 | 22.5 ± 3.5 | 0.443 |
V-SARR, valve-sparing aortic root replacement; CABG, coronary artery bypass grafting; FET, frozen elephant trunk; CPB, cardiopulmonary bypass; HCA, hypothermic circulatory arrest.