Vessel tortuosity, guide catheter position and clinical success
| n or mean±SEM | |
|---|---|
| Significant cervical ICA tortuosity | |
| Yes | 34 (44%) |
| No | 44 (56%) |
| Guide catheter position, n | |
| Cervical ICA | 1 (1%) |
| Petrous ICA | 23 (30%) |
| Proximal cavernous ICA* | 48 (62%) |
| Distal cavernous/clinoidal ICA† | 3 (4%) |
| Supraclinoid ICA | 2 (2%) |
| MCA (M1) | 1 (1%) |
| Clinical success, n | |
| Navien tracked to intended target | 78 (100%) |
| PED deployed | 75 (96%) |
*Proximal cavernous is defined as the vertical cavernous segment up to and including the posterior genu.
†Distal cavernous is defined as the horizontal cavernous segment and the anterior genu.
ICA, internal carotid artery; MCA, middle cerebral artery; PED, Pipeline embolization device.