Table 2. Procedure characteristics.
| Variables | Overall (n=85) |
|---|---|
| Indications for surgery and prior history | |
| Degenerative aneurysm | 43 [50] |
| Acute dissection | 4 [5] |
| Chronic dissection | 34 [40] |
| Rupture | 4 [5] |
| Urgency | |
| Elective | 76 [89] |
| Emergent | 9 [11] |
| Procedure | |
| Open repair | 61 [72] |
| Endovascular repair | 24 [28] |
| Range of aortic repair | |
| Ascending to total arch | 7 [8] |
| Descending aorta | 35 [41] |
| Crawford I | 4 [5] |
| Crawford II | 6 [7] |
| Crawford III | 20 [24] |
| Crawford IV | 13 [15] |
| Operation time of open repair (min) | 551±21 |
| CPB time of open repair (min) | 198±11 |
| Operation time of endovascular repair (min) | 159±35 |
| Timing of CSFD | |
| Preoperative CSFD | 61 [72] |
| Postoperative CSFD | 24 [28] |
| Time from end of surgery to detect paraplegia/paraparesis (hours) | 9.8±1.2 |
Categorical data are presented as number [%] and continuous data as mean ± standard deviation. CPB cardiopulmonary bypass; CSFD, cerebrospinal fluid drainage.