Table 1:
Patient demographics, presentation, and vessel and lesion characteristics
| Angioplasty | Balloon-Mounted Stent | Wingspan Stent | |
|---|---|---|---|
| Mean age (yr) | 64.6 | 69.1 | 66.1 |
| Male/female distribution by 159 lesions | 26/29 | 31/8 | 37/28 |
| Presentation | |||
| Mean days from first symptom to treatment | 69.3 | 48.5 | 61.0 |
| Mean presenting mRS | 1.5 | 1.4 | 1.6 |
| Mean stenosis before treatment of 159 primary lesions (%) | 83 | 77 | 78 |
| Transient ischemic attack (n = 61) | 19 | 19 | 23 |
| Minor stroke (change of 0–1 in mRS, n = 45) | 20 | 9 | 16 |
| Major stroke (change of ≥2 in mRS, n = 52) | 15 | 11 | 26 |
| Vessel and lesion characteristics for all 159 lesions | |||
| Lesions per device | 55 | 39 | 65 |
| <70% stenosis | 2 | 4 | 7 |
| ≥70% stenosis | 53 | 35 | 58 |
| Perforators | 32 | 13 | 47 |
| Nonperforators | 23 | 26 | 18 |
| Smooth lesion | 31 | 27 | 41 |
| Irregular lesion | 17 | 12 | 20 |
| Concentric lesion | 20 | 16 | 41 |
| Eccentric lesion | 28 | 23 | 20 |
| Short lesion (<5 mm) | 19 | 18 | 22 |
| Moderate lesion (5–10 mm) | 6 | 11 | 10 |
| Long lesion (>10 mm) | 23 | 10 | 29 |
| Vessel and lesion characteristics for all 209 interventions | |||
| Interventions per device | 89 | 47 | 73 |
| <70% stenosis | 9 | 5 | 8 |
| ≥70% stenosis | 79 | 43 | 65 |
| Perforators | 51 | 14 | 54 |
| Nonperforators | 38 | 33 | 19 |
| Smooth lesion | 57 | 33 | 46 |
| Irregular lesion | 20 | 15 | 22 |
| Concentric lesion | 40 | 21 | 46 |
| Eccentric lesion | 37 | 27 | 22 |
| Short lesion (<5 mm) | 26 | 20 | 22 |
| Moderate lesion (5–10 mm) | 9 | 11 | 10 |
| Long lesion (>10 mm) | 42 | 17 | 36 |
| Activating clotting time at deployment (s) | 212 | 212 | 217 |
| Duration of procedure (min) | 163 | 149 | 154 |