Retreatment strategies with clinical and angiographic outcome
| Case no | Retreatment modality | Immediate angiographic outcome (RROC) | Angiographic follow-up (RROC) | Period of follow-up (months) |
| 1 | Enterprise stent+coiling (first treatment) | 1 | 2 | 23 |
| Coiling (second treatment) | 1 | 1 | 15 | |
| 2 | Coiling (first treatment) | 1 | 2 | 28 |
| WEB+coiling (second treatment) | 2 | 2 | 1 | |
| 3 | Coiling+balloon (first treatment) | 1 | 2 | 13 |
| Enterprise stent+coiling (second treatment) | 1 | 1 | 27 | |
| 4 | FRED flow diverter | 1 | 1 | 43 |
| 5 | Enterprise stent+coiling | 1 | – | – |
| 6 | Coiling | 1 | 1 | 28 |
| 7 | Enterprise stent+coiling | 1 | 2 | 17 |
| 8 | Solitaire stent+coiling | 1 | – | – |
| 9 | Enterprise stent+coiling | 1 | 1 | 23 |
| 10 | 2 Pipeline flow diverters | 1 | 1 | 15 |
| 11 | WEB SL (11×6 mm) | 1 | 1 | 6 |
| 12 | Coiling | 1 | – | – |
| 13 | Neuroform stent+coiling | 1 | – | – |
| 14 | Pipeline flow diverter | 2 | 1 | 13 |
| 15 | Neuroform stent+coiling | 1 | 2 | 9 |