Table 2:
TEVAR characteristics
| N or mean | % | |
|---|---|---|
| LSA diameter (mm) | 8.3 ± 2.4 | |
| Distance between LSA and LVA (mm) | 43.1 ± 3.2 | |
| Diameter of chimney stents (mm) | 9.2 ± 1.3 (7–12) | |
| Length of chimney stents (mm) | 41.8 ± 6.5 (24–60) | |
| Chimney stent implantation access | ||
| Excision | 8 | 12.9 |
| Percutaneous | 54 | 87.1 |
| Two chimney stents | 3 | 5.1 |
| Two aortic stent grafts | 10 | 16.9 |
| Diameter of landing zones (mm) | 29.5 ± 2.6 | |
| Diameter of aortic stent grafts (mm) | 32.8 ± 3.2 (24–42) | |
| Length of aortic stent grafts (mm) | 172.9 ± 29.0 (80–230) | |
| Stent graft implantation access | ||
| Excision | 62 | 89.9 |
| Percutaneous | 7 | 10.1 |
| Postoperative immediate endoleak | 9 | 15.3 |
| Stroke | 2 | 3.4 |
| Death during follow-up | 3 | 5.1 |
LSA: left subclavian artery; LVA: left vertebral artery.