Baseline characteristics of the studied patient population as stratified by failed or successful recanalization
| Characteristics | Total (n = 47) | Successful (n = 35) | Failed (n = 12) | P Value |
|---|---|---|---|---|
| Mean age (yr) | 63.6 (SD, 9.6) | 64.3 (SD, 9.8) | 61.8 (SD, 9.2) | .443 |
| Male sex (No.) (%) | 42 (89.4%) | 31 (88.6%) | 11 (91.7%) | 1 |
| Risk factors | ||||
| Hypertension (No.) (%) | 31 (66.0%) | 23 (65.7%) | 8 (66.7%) | 1 |
| Diabetes mellitus (No.) (%) | 16 (34.0%) | 14 (40.0%) | 2 (16.7%) | .263 |
| Hyperlipidemia (No.) (%) | 5 (10.6%) | 4 (11.4%) | 1 (8.3%) | 1 |
| Cardiac disease (No.) (%) | 7 (14.9%) | 6 (17.1%) | 1 (8.3%) | .787 |
| Smoking history (No.) (%) | 23 (48.9%) | 17 (48.6%) | 6 (50.0%) | .932 |
| Drinking history (No.) (%) | 15 (31.9%) | 12 (25.5%) | 3 (25.0%) | .813 |
| Neurologic symptoms | 1 | |||
| TIA (No.) (%) | 8 (17.0%) | 6 (17.1%) | 2 (16.7%) | |
| Stroke (No.) (%) | 39 (83.0%) | 29 (82.9%) | 10 (83.3%) | |
| Preoperative mRS score (median) (IQR) | 1 (1–2) | 1 (1–2) | 1 (1–1) | .497 |
| Radiologic characteristics | ||||
| Right-sided recanalization (No.) (%) | 20 (42.6%) | 16 (45.7%) | 4 (33.3%) | .454 |
| ICA stump morphology | .181 | |||
| Tapered or blunt stump (No.) (%) | 36 (76.6%) | 29 (82.9%) | 7 (58.3%) | |
| No stump (No.) (%) | 11 (23.4%) | 6 (17.1%) | 5 (41.7%) | |
| Level of distal ICA occlusion segment | .004 | |||
| Below the cavernous segment (No.) (%) | 17 (36.2%) | 16 (45.7%) | 1 (8.3%) | |
| At the cavernous or clinoid segment (No.) (%) | 21 (44.7%) | 16 (45.7%) | 5 (41.7%) | |
| At or above the ophthalmic segment (No.) (%) | 9 (19.1%) | 3 (8.6%) | 6 (50%) | |
| Occlusion length ≤5cm (No.) (%) | 12 (25.5%) | 12 (34.3%) | 0 (0%) | .049 |
| Radiologic occlusion to recanalization ≤3 mo (No.) (%) | 41 (87.2%) | 32 (91.4%) | 9 (75.0%) | .164 |
Note:—IQR indicates interquartile range.