Table 1.
Characteristics and clinical data of the BAO patients treated with EVT.
| Variables | All patients (n = 55) | Favorable outcome (n = 12) | Poor outcome (n = 43) | P -value |
|---|---|---|---|---|
| Male, n (%) | 47 (85.4%) | 9 (75.0%) | 38 (88.4%) | 0.485 |
| Age, y (median, IQR) | 64 (57–75) | 69 (63–75) | 62 (57–75) | 0.103 |
| Hypertension, n (%) | 38 (69.1%) | 8 (66.7%) | 30 (69.8%) | 1.000 |
| Diabetes, n (%) | 14 (25.4%) | 3 (25.0%) | 11 (25.6%) | 1.000 |
| Prior stroke, n (%) | 11 (20.0%) | 4 (33.3%) | 7 (16.3%) | 0.369 |
| Smoking, n (%) | 18 (32.7%) | 4 (33.3%) | 14 (32.6%) | 1.000 |
| Hyperlipidemia, n (%) | 6 (10.9%) | 3 (25.0%) | 3 (25.0%) | 0.212 |
| Atrial fibrillation, n (%) | 8 (14.5%) | 2 (16.7%) | 6 (14.0%) | 1.000 |
| Coronary heart disease, n (%) | 9 (16.4%) | 4 (33.3%) | 5 (11.6%) | 0.175 |
| pc-ASPECTS, (median, IQR) | 8.0 (7.0–9.0) | 9.0 (8.0–10.0) | 8.0 (7.0–9.0) | 0.017* |
| NIHSS score, (median, IQR) | 35.0 (20.0–35.0) | 34.5 (18.0–36.0) | 35.0 (20.0–35.0) | 0.532 |
| Blood glucose, mmol/L (median, IQR) | 8.6 (7.0–10.2) | 8.3 (6.7–9.4) | 8.8 (7.0–10.7) | 0.354 |
| Leukocyte, 109/L (median, IQR) |
9.5 (7.2–11.8) | 7.0 (6.3–9.1) | 10.1 (7.6–12.2) | 0.012* |
| Intravenous r-tPA, n (%) | 17 (30.9%) | 5 (41.7%) | 12 (27.9%) | 0.576 |
| Onset to puncture, min (median, IQR) | 480 (345–700) | 383 (227–490) | 510 (410–770) | 0.014* |
| Onset to recanalization, min (median, IQR) | 594 (475–867) | 551 (319–686) | 604 (524–907) | 0.053* |
| Puncture to recanalization, min (median, IQR) | 104 (75–151) | 90 (66–219) | 110 (75–141) | 0.610 |
| mTICI, 2b or 3, n (%) | 0.162 | |||
| 2b | 21 (38.2%) | 2 (16.7%) | 19 (44.2%) | |
| 3 | 34 (61.8%) | 10 (83.3%) | 24 (55.8%) | |
| Type of procedure, n (%) | 0.276 | |||
| Aspiration alone | 14 (25.5%) | 5 (41.7%) | 9 (20.9%) | |
| Stent retrieve | 17 (30.9%) | 2 (16.7%) | 15 (34.9%) | |
| Angioplasty | 24 (43.6%) | 5 (41.7%) | 19 (44.2%) | |
| Hemorrhagic transformation, n (%) | 8 (14.5%) | 2 (16.7%) | 6 (14.0%) | 1.000 |
*
Variables with p-value < 0.1.
BAO, basilar artery occlusive; EVT, endovascular thrombectomy; pc-ASPECTS, the posterior circulation Acute Stroke Prognosis Early CT Score; NIHSS, National Institutes of Health Stroke Scale; mTICI, modified Thrombolysis in Cerebral Infarction Score; IQR, interquartile range.