Table 2 Intraoperative results and postoperative situation in the two groups
Variable | LAR (n = 41) | TAR + SET (n = 62) | P |
|---|---|---|---|
Arterial cannulation sites | |||
Right axillary artery, n (%) | 31(75.6) | 45(72.6) | 0.732 |
Femoral artery, n (%) | 5(12.2) | 6(9.7) | 0.686 |
Both, n (%) | 5(12.2) | 11(17.7) | 0.447 |
Tear location | |||
Ascending, n (%) | 30(73.2) | 31(50.0) | 0.019 |
Aortic arch, n (%) | 3(7.3) | 4(6.5) | 1 |
Beyond arch, n (%) | 3(7.3) | 21(33.9) | 0.002 |
No tear (hematoma), n (%) | 5(12.2) | 6(9.7) | 0.686 |
CPB time, min | 161.5 ± 17.2 | 179.5 ± 22.1 | < 0.01 |
Cross-clamp time, min | 93.8 ± 15.1 | 119.4 ± 20.5 | < 0.01 |
Circulatory arrest time, min | 18.7 ± 2.6a | 21.3 ± 2.3 | < 0.01 |
Concomitant surgery in proximal | |||
+ AVR, n | 4 | 9 | 0.557 |
+ CABG, n | 2 | 4 | 1 |
+ Bentall, n | 2 | 3 | 1 |
+ no-coronary sinus replacement, n | 3 | 3 | 0.680 |
+ ascending-femoral artery bypass, n | 0 | 2 | 0.516 |
+ femoral-femoral artery bypass, n | 0 | 1 | 1 |
Major postoperative complications, n (%) | 0 | 11(17.7)b | < 0.01 |
Dialysis due to new acute kidney injury, n | 0 | 3 | – |
New stroke, n | 0 | 1 | – |
New paraparesis, n | 0 | 1 | – |
New paraplegia, n | 0 | 1 | – |
Tracheotomy for lung infection, n | 0 | 5 | – |
Gastrointestinal bleeding, n | 0 | 1 | – |
Intubation time, d | 2.2 ± 1.3 | 4.6 ± 3.7 | < 0.01 |
ICU stay time, d | 4.7 ± 3.4 | 7.7 ± 5.8 | < 0.01 |
Hospital stay time, d | 17.5 ± 2.6 | 21.1 ± 4.8 | < 0.01 |
Hospital mortality, n (%) | 2(4.9) | 12(19.4) | 0.042 |