Table 1.
Baseline data of 16 patients selected according to study criteria for UPI investigation before intraarterial thrombolysis.
| Age in years, mean (SD) | 76.5 (5.4) |
| Female, % | 56 |
| Baseline NIHSS score, mean (SD) | 7.5 (6.3) |
| Occlusion localization | |
| Internal carotid artery, n (%) | 3 (18.75) |
| Carotid-T, n (%) | 3 (18.75) |
| MCA M1, n (%) | 6 (37.5) |
| MCA M2, n (%) | 2 (12.5) |
| MCA M3/4, n (%) | 2 (12.5) |
| Patients receiving intravenous lysis, n (%) | 11 (68.75) |
| SOT to intravenous lysis in hours, mean (SD) | 2.58 (0.75) |
| SOT to MRI in hours, mean (SD) | 2.23 (1.15) |
| SOT to UPI in hours, mean (SD) | 3.31 (1.18) |
| SOT to cerebral angiography in hours, mean (SD) | 4.25 (1.8) |
| SOT to intraarterial lysis/thrombectomy in hours, mean (SD) | 4.40 (1.73) |
MCA: middle cerebral artery; MRI: magnetic resonance imaging; NIHSS: National Institutes of Health Stroke Scale; SD: standard deviation; SOT: symptom onset time; UPI: ultrasound perfusion imaging.