Comparison of treatment and outcomes of basilar artery occlusion according to the meniscus sign
| All patients n=89 | Meniscus (+) n=56 | Meniscus (−) n=33 | P value | |
| Onset to puncture time (min)* | 255 (165–440) | 246(162-430) | 258 (180–440) | 0.852 |
| Procedure time (min)* | 59 (35–100) | 55 (34–86) | 85 (49–109) | 0.045 |
| Onset to recanalization time* | 333 (240–488) | 320 (226–482) | 339 (283–496) | 0.513 |
| First-line endovascular treatment | 0.511 | |||
| Stent retriever | 58 (65.2) | 39 (69.6) | 19 (57.6) | |
| Aspiration | 23 (25.8) | 13 (23.2) | 10 (30.3) | |
| First pass effect | 20 (22.5) | 18 (32.1) | 2 (6.1) | 0.004 |
| Rescue treatment | 13 (00.0) | 8 (14.3) | 5 (15.2) | >0.999 |
| Adjuvant treatment | ||||
| Angioplasty | 16 (18.0) | 6 (10.7) | 10 (30.3) | 0.020 |
| IA-tirofiban | 16 (18.0) | 3 (5.4) | 13 (39.4) | <0.001 |
| IA-urokinase | 17 (19.1) | 4 (7.1) | 13 (39.4) | <0.001 |
| Number of passes* | 2 (1–3) | 2 (1–3) | 3 (1–4) | 0.042 |
| mTICI 2b or 3 | 71 (79.8) | 50 (89.3) | 21 (63.6) | 0.004 |
| 90-day mRS* | 4 (2–5) | 4 (1–5) | 5 (3–5) | 0.255 |
| 90-day mRS 0–2 | 30 (33.7) | 22 (39.3) | 8 (24.2) | 0.147 |
| 90-day mortality | 17 (19.1) | 11 (19.6) | 6 (18.2) | 0.866 |
| Any hemorrhagic complication | 14 (15.7) | 10 (17.9) | 4 (12.1) | 0.473 |
| Symptomatic ICH | 6 (6.7) | 3 (5.4) | 3 (9.1) | 0.666 |
| Subarachnoid hemorrhage | 2 (2.2) | 1 (1.8) | 1 (3.0) | >0.999 |
| Parenchymal hemorrhage type 1 | 3 (3.4) | 1 (1.8) | 2 (6.1) | 0.522 |
| Parenchymal hemorrhage type 2 | 1 (1.1) | 0 (0.0) | 1 (3.0) | 0.371 |
Values in parentheses represent the number of patients (%). *Data are median and numbers in parentheses are IQR.
IA, intra-arterial; ICH, intracerebral hemorrhage; mRS, modified Rankin Scale; mTICI, modified Thrombolysis in Cerebral Infarction.