FD implantation, technical complications, primary safety end point, and other major adverse events at a median 6-month clinical follow-up (range 1–38 months)
| FD implantation | |
| Attempted treatment (patients/aneurysms) | 165/190 |
| FD implantation at target site (patients/aneurysms) | 161 (97.5%)/186 (98%) |
| Average No. of devices used per patient | 1.2 |
| Average No. of devices used per aneurysm | 1.05 |
| Average procedure length (min) | 79.8 |
| Technical complications | |
| Incorrect placement with partial aneurysm coverage | 4 (2.1%) |
| Guidewire perforation | 5 (3.1%) |
| Intraoperative thrombus formation (asymptomatic/symptomatic) | 6 (3.7%)/0 |
| Vasospasm | 6 (3.7%) |
| Serious adverse events | |
| Any death during the follow-up | 7 (4.3%) |
| Patients available for follow-up | 150 (93.2%) |
| Patients lost to or refusing follow-up | 11 (6.8%) |
| Primary end point (any stroke and neurologic death) | 18 (12%) |
| Permanent morbidity | 9 (6.0%) |
| Procedure-related mortality | 4 (2.7%) |