Characteristics | Frequency |
N=218 aneurysms | |
PED type | |
Classic PED | 107 (49.1%) |
Flex PED | 111 (50.9%) |
Number of PEDs used | |
Single | 208 (95.4%) |
Multiple | 10 (4.6%) |
Treatment modality | |
PED only | 91 (41.7%) |
PED+coils | 127 (58.3%) |
Device deployment | |
Unsuccessful | 4 (1.8%) |
Successful after adjustment | 11 (5.1%) |
Successful | 203 (93.1%) |
Satisfactory occlusion immediately after PED treatment | |
Incomplete occlusion | 188 (86.2%) |
Complete occlusion | 30 (13.8%) |
Clinical outcomes | |
Post-PED ischaemic stroke or transient ischaemic attack | 14 (6.4%) |
Post-PED haemorrhagic stroke | 12 (5.5%) |
Post-PED mass effect relief | 73 (33.5%) |
Post-PED mass effect deteriorate | 21 (9.6%) |
Parent artery occlusion | 9 (4.1%) |
Complete aneurysm occlusion at last follow-up | 128 (58.7%) |
Mass effect relief at follow-up | 156 (71.6%) |
mRS Score | |
Pre-PED mRS Score | |
0–2 | 216 (99.1%) |
3–6 | 2 (0.9%) |
Post-PED mRS Score (<30 days) | |
0–2 | 204 (93.6%) |
3–6 | 14 (6.4%) |
mRS Score at follow-up | |
0–2 | 207 (95.0%) |
3–6 | 11 (5.0%) |
Mortality | 6 (2.8%) |
Data are shown as n (%) or the mean±SD.
mRS, modified Rankin Scale; PED, Pipeline Embolization Device.