Characteristics of patients with hyperperfusion syndrome or intracerebral haemorrhage
| Variable | Case no. | ||
| 1 | 2 | 3 | |
| Index event | Stroke | Stroke | Stroke |
| Duration from quality event to randomisation, day | 30 | 47 | 76 |
| Baseline mRS | 2 | 2 | 1 |
| Baseline NIHSS | 3 | 4 | 0 |
| Lesion Characteristics | |||
| Stenosis degree, % | 93.1 | 90.7 | 92.0 |
| Length, mm | 10.4 | 19.2 | 22.5 |
| Concentricity | Extremely eccentric | Extremely eccentric | Extremely eccentric |
| Residual stenosis degree, % | 21.3 | 28.9 | 22.1 |
| Time of symptom onset | 11 hours after the procedure | 24 hours after the procedure | 12 hours after the procedure |
| Symptoms | Headache, confusion, left limb weakness | Headache, nausea | Headache, right limb weakness |
| HPS or ICH | HPS HPS ICH | ||
| Treatment | Strict control of blood pressure, sedation, administration of mannitol | ||
| mRS at 30 days | 4 | 2 | 1 |
HPS, hyperperfusion syndrome; ICH, intracerebral haemorrhage; mRS, modified Rankin Scale; NIHSS, National Institutes of Health Stroke Scale.