Table 3.
Periprocedural characteristics and functional outcome (mRS ≤2 vs. mRS score >2).
| Characteristics |
Overall
(n = 101) |
Outcome | ||
|---|---|---|---|---|
|
mRS ≤ 2
(n = 50) |
mRS > 2
(n = 51) |
P-value | ||
| Symptom-onset-to-treatment time (OTT), median (IQR), min | 240 (180–340) | 240.5 (158.75–322.5) | 240 (180–380) | 0.541 |
| OTT ≤ 360 min, No. (%) | 79 (78.2) | 44 (88) | 35 (68.6) | 0.018 |
| Puncture-to-recanalization time (PTR), median (IQR), min | 65 (50–115) | 60 (45–83.25) | 90 (52–120) | 0.006 |
| General anaesthesia, No. (%) | 76 (74.5) | 35 (70) | 41 (80.4) | 0.226 |
| Number of thrombectomy device passes, median (IQR), min | 1 (1–2) | 1 (1–2) | 2 (10–2) | 0.133 |
| BA occlusion site, No. (%) | 0.807 | |||
| Proximal BA | 30 (29.7) | 15 (30) | 15 (29.4) | |
| Mid BA | 22 (21.7) | 10 (20) | 12 (23.5) | |
| Distal BA | 49 (48.6) | 26 (52) | 23 (45.1) | |
| Endovascular treatment | ||||
| IA thrombolysis, No. (%) | 17 (16.7) | 9 (18) | 8 (15.7) | 0.756 |
| IA infusion of tirofiban, No. (%) | 47 (46.1) | 23 (46) | 24 (47.1) | 0.915 |
| Emergency angioplasty, No. (%) | 0.41 | |||
| Simple stenting | 11 (10.8) | 5 (10) | 6 (11.8) | |
| Simple balloon angioplasty | 11 (10.8) | 8 (16) | 3 (5.9) | |
| Both stenting and balloon angioplasty | 24 (23.5) | 10 (20) | 14 (27.5) | |
| None | 55 (53.9) | 27 (54) | 28 (54.9) | |
| Postoperative Pc-ASPECTS, median (IQR) | 6 (5–8) | 7 (6–8) | 6 (5–7) | 0.001 |
| Postoperative PMI, median (IQR) | 2 (1–3) | 1 (1–2) | 3 (1–4) | 0.001 |
| Complications, No. (%) | ||||
| Complications related to surgical instruments and operations | 11 (10.8) | 4 (8) | 7 (13.7) | 0.356 |
| Symptomatic ICH | 5 (4.9) | 0 (0) | 5 (9.8) | 0.07 |
| Hydrocephalus | 2 (2) | 0 (0) | 2 (3.9) | 0.484 |
| Lung infection | 50 (49) | 14 (28) | 36 (70.6) | <0.001 |
| TICI 2b-3, No. (%) | 99 (98.0) | 50 (100) | 49 (96.1) | 0.157 |
IQR, interquartile range; Pc-ASPECTS, posterior circulation Acute Stroke Prognosis Early CT Score; BA, basilar artery; IA, intraarterial; PMI, pons-midbrain index; ICH, intracranial haemorrhage.