Intra-operative and post-operative complications
| Complication | Number of occurrences | Percent of aneurysms | Complications resulting in new neurological deficit or death | Percent of patients |
|---|---|---|---|---|
| Intra-operative aneurysm rupture | 3 | 5.6 | 0 | |
| Intra-operative distal vessel rupture | 1 | 1.9 | 1 (death) | 2.2 |
| Any coil loop herniation into parent artery | 7 | 13 | 1 (transient neurological deficit) | 2.2 |
| Coil loop herniation requiring stenting | 1 | 1.9 | 0 | |
| Distal coil migration requiring coil retrieval | 1 | 1.9 | 0 | |
| Post-operative ipsilateral infarction | 1 | 1.9 | 1 (transient neurological deficit) | 2.2 |
| Post-operative ipsilateral intracerebral haemorrhage | 1 | 1.9 | 1 (permanent hemiparesis) | 2.2 |
| Complications resulting in a new permanent disabling neurological deficit or death (mRS ≥ 3) | 2 | 3.7 | 2 | 4.4 |