Patient number | Cognard classification | Venous drainage pathways:
| Venous drainage classification1 | Dominant arterial supply:
| Immediate post-TVCE DSA outcome | Follow-up MRA outcome | Clinical outcome | 6-month MRS | Complications related to TVCE |
1 | 2A+B |
| 1 |
| Complete occlusion | Complete occlusion | Symptom resolution | 0 | None |
2 | 2A |
| 2 |
| Complete occlusion | Complete occlusion | Symptom resolution | 0 | None |
3 | 2A |
| 1 |
| Complete occlusion | Complete occlusion | Symptom resolution | 0 | None |
4 | 2A |
| 1 |
| Complete occlusion | Complete occlusion | Symptom resolution | 0 | None |
5 | 2A |
| 1 |
| Complete occlusion | Complete occlusion | Symptom resolution | 0 | None |
6 | 2A |
| 1 |
| Complete occlusion | Complete occlusion | Symptom resolution | 0 | None |
7 | 2B |
| 1 |
| Complete occlusion | Complete occlusion | Symptom resolution | 0 | None |
8 | 2A |
| 1 |
| Complete occlusion | Complete occlusion | Symptom resolution | 0 | None |
9 | 2A |
| 1 |
| Complete occlusion | Complete occlusion | Symptom resolution | 0 | None |
10 | 1 |
| 1 |
| Complete occlusion | Complete occlusion | Tinnitus resolution. Partial resolution of hypoglossal nerve palsy | 1 | None |
*Indicates dominant venous drainage pathway.
AP, ascending pharyngeal artery. NMT, neuromeningeal trunk. MMA, middle meningeal artery. OA, occipital artery. VA, vertebral artery. ICA, internal carotid artery. MHT, meningiohypophyseal trunk. IJV, internal jugular vein. IPS, inferior petrosal sinus. SPS, superior petrosal sinus.