Clinical and angiographic follow-up
| Patient No | RRS D0 | mRS score at discharge | RRS FU | MRA/DSA | Additional treatment | Mean time clinical FU (months) | mRS at FU | ||
| Mid-term | Long-term | Mid-term | Long-term | ||||||
| 1 | A | 0 | A | A | DSA | DSA | 0 | 9 | 0 |
| 2 | A | 0 | A | A | DSA | DSA | 0 | 7 | 0 |
| 3 | C | 3 | NA | NA | NA | NA | 0 | 11 | 1 |
| 4 | A | 2 | C | B | DSA | DSA | 0 | 7 | 1 |
| 5 | A | 0 | A | A | DSA | MRA | 0 | 7 | 0 |
| 6 | A | 0 | A | A | DSA | DSA | 0 | 5 | 0 |
| 6 | C | 0 | A | A | DSA | DSA | 0 | 5 | 0 |
| 7 | C | 0 | A | A | DSA | DSA | 0 | 5 | 0 |
| 8 | C | 0 | C | A | DSA | DSA | Derivo FDS at 6 months | 3 | 0 |
| 9 | A | 0 | A | NA | DSA | DSA | 0 | 3 | 0 |
| 10 | C | 0 | A | A | DSA | DSA | 0 | 5 | 0 |
| 11 | A | 0 | A | A | DSA | MRA | 0 | 5 | 0 |
| 12 | A | 0 | A | A | MRA | DSA | 0 | 5 | 0 |
| 13 | A | 1 (dysarthria) | A | A | MRA | DSA | 0 | 26 | 0 |
| 14 | A | 2 (4/5 superior arm deficit) | A | A | MRA | DSA | Conventional coiling only | 24 | 0 |
| 15 | A | 0 | A | A | MRA | DSA | 0 | NA | NA |
| 16 | A | 0 | A | NA | MRA | – | Conventional coiling only | NA | NA |
| 17 | B | 0 | B | B | MRA/DSA | MRA | 0 | 23 | 0 |
| 18 | A | 4 (hemiparesis and frontal syndrome) | NA | NA | – | – | 0 | NA | NA |
| 19 | B | 0 | B | B | DSA | DSA | 0 | 20 | 0 |
D0: day 0; DSA, digital subtraction angiography; FDS, Flow-diverter stent; FU, follow-up; MRA, magnetic resonance angiography; mRS, modified Rankin Scale; NA, not available; RRS, Roy-Raymond Scale.