Table 2:

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%)