Table 5:
Postoperative course and follow-up data in the subgroup with Type 1 DeBakey dissection and intimal tear limited to the aortic root and the ascending aorta
| Variables | Overall population, n = 100 | Open distal, n = 39 | Closed distal, n = 61 | P-value |
|---|---|---|---|---|
| Re-exploration | 17 (17%) | 6 (15%) | 11 (18%) | 0.73 |
| Mechanical ventilation (days ± SD) | 4.9 ± 11.0 | 4.4 ± 9.0 | 5.2 ± 12.2 | 0.72 |
| Tracheostomy | 12 (12%) | 4 (10%) | 8 (14%) | 0.57 |
| Neurological deficit | 22 (22%) | 7 (18%) | 15 (25%) | 0.43 |
| Cerebral stroke | 15 (15%) | 6 (15%) | 9 (14%) | 0.93 |
| Temporary neurological deficit | 7 (7%) | 1 (3%) | 6 (11%) | 0.32 |
| Acute renal failure | 25 (25%) | 8 (20%) | 17 (28%) | 0.40 |
| Renal replacement therapy | 9 (9%) | 5 (13%) | 4 (6%) | 0.48 |
| Sepsis | 18 (18%) | 8 (20%) | 10 (16%) | 0.60 |
| Deep sternal wound infection | 3 (3%) | 2 (5%) | 1 (3%) | 0.69 |
| Gastrointestinal complication | 0 | 0 | 0 | |
| ITU length of stay (days ± SD) | 5.9 ± 8.2 | 5.4 ± 5.5 | 6.3 ± 9.6 | 0.61 |
| Overall length of stay (days ± SD) | 17.9 ± 12.9 | 16.5 ± 10.9 | 18.8 ± 14.1 | 0.39 |
| Intraoperative mortality | 1 (1%) | 0 | 1 (2%) | 0.82 |
| In-hospital mortality | 11 (11%) | 4 (10%) | 7 (11%) | 0.89 |
| Follow-up (months ± SD) | 66 ± 48 | 73 ± 43 | 62 ± 50 | 0.26 |
| Distal aortic reoperation | 5 (5%) | 4 (11%) | 1 (2%) | 0.32 |
SD: standard deviation; ITU: intensive therapy unit.