Baseline clinical and radiological patient characteristics
| All patients (n=97) | SR/IAC group (n=68) | SR group (n=29) | p Value* | |
|---|---|---|---|---|
| Mean age, years | 64 | 66 | 59 | 0.008 |
| Sex | ||||
| Women | 48 (49%) | 32 (47%) | 16 (55%) | 0.5 |
| Men | 49 (51%) | 36 (53%) | 13 (45%) | 0.5 |
| Mean NIHSS | 18.5 | 18.7 | 18.2 | 0.5 |
| IV-tPA administration | 53 (55%) | 38 (56%) | 15 (52%) | 0.16 |
| Mean time from LKW to puncture, min | 285 | 278 | 301 | 0.3 |
| Thrombus location | ||||
| ICA terminus | 19 (20%) | 14 (21%) | 5 (17%) | 0.8 |
| MCA M1 | 67 (69%) | 46 (68%) | 21 (72%) | 0.8 |
| MCA M2 | 8 (8%) | 5 (7%) | 3 (10%) | 0.7 |
Bold type indicates statistical significance.
*p Value for the difference between the distal suction catheter group and the no distal suction catheter group using either the Student t-test or Fisher exact test.
IAC, intracranial aspiration catheter; ICA, internal carotid artery; IV-tPA, IV tissue plasminogen activator; LKW, last known well; MCA, middle cerebral artery; n, number of patients; NIHSS, National Institutes of Health Stroke Scale; SR, stent retriever; tPA, tissue plasminogen activator.