Adverse event presentation and outcome
| All adverse events: classification and outcome | |
| Stroke (Minor) | |
| 01–29 | Seizure episode - home discharge on third postoperative day with mRS score 1 |
| 01–35 | Headache and loss of strength/sensation episode overnight - home discharge on third postoperative day with mRS score 0 |
| 02–19 | NIHSS score 2 Stroke - home discharge on fifth postoperative day with mRS score 1 |
| 02–20 | NIHSS score 1 Stroke - private rehab discharge on ninth postoperative day with mRS score 1 |
| 02–22 | NIHSS score 2 Stroke - home discharge on fifth postoperative day with mRS score 1 |
| 02–23 | Left extremities' weakness - home discharge on sixth postoperative day with mRS score 0 |
| 02–25 | Right upper limb weakness and sluggish pupil - home discharge on ninth postoperative day with mRS score 0 |
| 02–27 | Aphasia/altered sensation/panic episode - home discharge on fifth postoperative day with mRS score 1 |
| 07–10 | Somnolent with acute respiratory insufficiency – home discharge on ninth postoperative day with mRS score 1 |
| 11–02 | ‘Discrete micro-ischemia’ on Imaging – home discharge on second postoperative day with mRS score 0 |
| Stroke (major) | |
| 01–05 | NIHSS 1 Stroke with anterograde amnesia – home discharge on second postoperative day with mRS score 1 |
| 04–06 | Right hemi-paresis requiring intra-arterial fibrinolysis - home discharge on third postoperative day with mRS score 1 |
| Intraprocedural aneurysm rupture | |
| 01–19 | Rupture during second coil deployment, with hemostasis rapidly achieved with heparin reversion and further coiling |
| 04–04 | Rupture during coil deployment, with extravasation stopped via manual carotid compression and remodeling balloon inflation at aneurysmal neck |
| Vascular access site complication | |
| 01–33 | Minor hematoma at puncture site |
| 05–10 | Pseudoaneurysm requiring 2 units of blood transfusion |
| 05–19 | Hematoma requiring a follow-up CT scan, leading to extended hospitalization |
| 10–11 | Retroperitoneal hematoma requiring 1 unit of blood transfusion |
| Electrolyte disorder | |
| 04–04 | During hospital course of same subject with intraprocedural aneurysm rupture |
| 04–06 | During hospital course of same subject with major stroke |
| Hydrocephalus | |
| 04–04 | Same subject with intraprocedural aneurysm rupture, requiring external ventricular drainage placement |
| Vasospasm | |
| 04–06 | Same subject with major stroke - focal vasospasm, responded to nimodipine infusion |
| Respiratory failure | |
| 07–10 | Same subject with minor stroke – acute respiratory insufficiency due to chronic emphysema |
| Urine Infection | |
| 05–08 | Antibiotic treatment requiring prolonged hospitalization |
mRS, modified Rankin Scale; NIHSS, National Institutes of Health Stroke Scale.