Table 3.
Procedure characteristics
| Procedure time, min | |
| Mean ± SD | 112.9±54.9 (190) |
| Median (min, max) | 107.0 (0.0, 369.0) |
| Anticoagulation/antiplatelet therapy | 97.9 (187/191) |
| Platelet aggregation assay | 61.3 (117/191) |
| Heparin during procedure | 87.4 (167/191) |
| If yes, was heparin reversed? | 16.2 (27/167) |
| Intraoperative imaging | |
| Magnetic resonance angiography | 2.1 (4/191) |
| Magnetic resonance imaging | 2.1 (4/191) |
| Computed tomography | 9.4 (18/191) |
| Computed tomography angiography | 12.0 (23/191) |
| Angiogram | 98.4 (188/191) |
| Other | 6.3 (12/191) |
| Level of occlusion (Core Laboratory reported) | |
| 100% occlusion | 1.0 (2/191) |
| Neck remnant | 8.4 (16/191) |
| Residual filling | 86.9 (166/191) |
| Indeterminate or not available | 3.7 (7/191) |
| Device characteristics | |
| Type of treatment | |
| PED alone | 66.5 (127/191) |
| PED with coils | 17.3 (33/191) |
| PED with balloons | 10.5 (20/191) |
| Other | 5.8 (11/191) |
| Number of PEDs utilized | |
| Mean ± SD | 1.2±0.6 (207) |
| Median (min, max) | 1.0 (0.0, 5.0) |
| Multiple PEDs utilized | 18.8 (39/207) |
| Multiple PEDs preplanned | 6.4 (13/202) |
| Multiple PEDs, method of use | |
| Additional length | 35.9 (14/39) |
| Multiple layers | 51.3 (20/39) |
| Stabilization | 12.8 (5/39) |
| Entire neck covered by PEDs | 94.2 (194/206) |
| Side branch covered by PEDs | 50.7 (104/205) |
| Size of side branch from aneurysm sac, mm | |
| Mean ± SD | 0.9±0.6 (70) |
| Median (min, max) | 1.0 (0.0, 3.0) |
Values are expressed as percentages with numbers in parentheses, unless otherwise indicated.