Table II.
Procedural data and stent type
| Parameter | DES (n = 148) | BMS (n = 280) | P-value |
|---|---|---|---|
| Right VA, n (%) | 79 (53.4) | 118 (42.1) | 0.037 |
| Left VA, n (%) | 71 (48) | 162 (57.9) | |
| Transradial approach, n (%) | 10 (6.8) | 16 (5.9) | 0.668 |
| Contralateral VA occlusion, n (%) | 13/140 (9.3) | 23/260 (8.9) | 0.884 |
| V0/V1 segment, n | 148 | 275 | 0.041 |
| Old generation DES, n (% of DES): | |||
| Sirolimus-eluting stent | 14 (9.4) | n/a | |
| Paclitaxel-eluting stent | 8 (5.3) | n/a | |
| Second generation DES, n (% of DES): | |||
| Everolimus-eluting stent | 57 (38) | n/a | |
| Biolimus-eluting stent | 35 (23.3) | n/a | |
| Zotarolimus-eluting stent | 36 (24) | n/a | |
| Stainless-steel, n (%) | n/a | 139 (49.6) | |
| Cobalt-chromium, n (%) | n/a | 123 (44) | |
| Platinum-chromium, n (%) | n/a | 18 (6.4) | |
| Stenosis severity – angio (%): | |||
| Pre-treatment, mean ± SD | 86.0 ±9.7 | 84.1 ±9.4 | 0.056 |
| Post-treatment, mean ± SD | 2.7 ±5 | 4.3 ±6.9 | 0.014 |
| Stent diameter, mean ± SD [mm] | 3.4 ±0.5 | 4.2 ±0.8 | < 0.001 |
| Stent length, mean ± SD [mm] | 12 ±3.9 | 11.9 ±2.7 | 0.323 |
| Direct stenting, n (%) | 110 (73.3) | 221 (78.9) | 0.279 |
| Maximum inflation pressure, mean ± SD [atm] | 11.6 ±2.4 | 11.7 ±2.4 | 0.265 |
| Maximum post-dilatation balloon pressure, mean ± SD [atm] | 16.7 ±3.2 | 16.2 ±3.2 | 0.056 |
| Simultaneous VAS + SAS, n (%) | 6 (4) | 9 (6.1) | 0.653 |
Two stents implanted to cover one lesion. Continuous data are presented as the mean ± standard deviation; categorical data are given as the count and percentage. VAS + SAS – vertebral and subclavian artery stenting.