Incidence of stroke at 30 days by intervention and lesion location
| Total No. (%) | Angioplasty No. (%) | Balloon-Mounted Stent No. (%) | Wingspan Stent No. (%) | |
|---|---|---|---|---|
| Vessel | ||||
| ACA/MCA | 13/80 (16.3)a | 3/44 (6.8) | 0/1 (0) | 10/35 (28.6) |
| ICA | 2/41 (4.9)a,b | 0/16 (0) | 1/14 (7.1) | 1/11 (9.1) |
| VA | 4/48 (8.3)c | 1/21 (4.8) | 1/19 (5.3) | 2/8 (25.0) |
| BA | 8/40 (20.0)b | 0/7 (0) | 3/14 (21.4) | 5/19 (26.3) |
| Circulation | ||||
| Anterior | 15/121 (12.4) | 3/60 (5.0) | 1/15 (6.7) | 11/46 (23.9) |
| Posterior | 12/88 (13.6) | 1/28 (3.6) | 4/33 (12.1) | 7/27 (25.9) |
| Perforator status | ||||
| Nonperforator (VA, ICA) | 6/91 (6.6)d | 1/39 (2.6) | 2/33 (6.1) | 3/19 (15.8) |
| Perforator (BA, MCA) | 21/118 (17.8)d | 3/49 (6.1) | 3/15 (20.0) | 15/54 (27.8) |
| Total | 27/209 (12.9) | 4/89 (4.5) | 5/47 (10.7) | 18/73 (24.7) |
a MCA versus ICA: P = .0736.
b ICA versus BA: P = .0398.
c VA versus all vessels: P = NS.
d Nonperforator versus perforator: P = .008.