Table 3.
Procedural and outcome variables of aTAAD surgical repair from January 2010 to December 2018 (n = 248)
| Early-career surgeons (n = 128) | Experienced/senior surgeons (n = 120) | P value | Effect size | |
|---|---|---|---|---|
| Aortic root replacement | 30 (23.4) | 33 (27.5) | .470 | −0.047 |
| Aortic arch replacement | 52 (40.6) | 59 (49.2) | .202 | −0.086 |
| Concomitant CABG | 7 (5.5) | 9 (7.5) | .609 | −0.041 |
| Hybrid procedure | 7 (5.5) | 11 (9.2) | .330 | −0.071 |
| Cardiopulmonary bypass time, min | 252 (203-325) | 259 (218-337.75) | .426 | 0.003 |
| Aortic crossclamp time, min | 150 (123-213) | 159 (110.5-214.25) | .644 | 0.001 |
| SACP time, min | 53.5 (45-77.25) | 48 (34-67.75) | .038 | 0.017 |
| ECMO | 14 (10.9) | 13 (10.8) | >.999 | 0.002 |
| Re-exploration for bleeding | 14 (10.9) | 15 (12.5) | .844 | −0.024 |
| DSWI | 4 (3.1) | 7 (5.8) | .364 | −0.066 |
| Acute kidney injury | 36 (28.1) | 37 (30.8) | .677 | −0.030 |
| Newly developed dialysis | 22 (17.2) | 18 (15.0) | .730 | 0.030 |
| Respiratory failure∗ | 20 (15.6) | 17 (14.2) | .859 | 0.020 |
| Permanent stroke | 27 (21.1) | 25 (20.8) | >.999 | 0.003 |
| ICU stay, d | 5 (3-11) | 6 (3-9.75) | .926 | <0.001 |
| Hospital stay, d | 15 (11-29.75) | 16 (10.25-25) | .847 | <0.001 |
| Major complications† | 48 (37.5) | 48 (40.0) | .698 | −0.026 |
| 30-d survival | 114 (89.1) | 105 (87.5) | .844 | 0.024 |
Data are presented as median (interquartile range) or n (%). Effect sizes are presented as phi coefficient (φ) among categorical variables, and eta squared (η2) for nonparametric tests. CABG, Coronary artery bypass graft; SACP, selective antegrade cerebral perfusion; ECMO, extracorporeal membrane oxygenation; DSWI, deep sternal wound infection; ICU, intensive care unit.
∗
Defined as prolonged mechanical ventilation >7 days or requiring tracheostomy.
†
Defined as composite adverse outcomes including re-exploration for bleeding, newly developed dialysis, DSWI, respiratory failure, and permanent stroke.