Aneurysm | Number treated | Occlusion at Initial treatment Raymond occlusion score=1, 2 | Occlusion at 6 months’ follow-up Raymond occlusion score=1, 2 | Occlusion at 18 months’ follow-up Raymond occlusion score=1, 2 | mRS score=0, 1 at last follow-up | mRS score=2–6 at last follow up |
Aneurysms | 103 | 101/103 (98%) | 98/100 (98%) | 96/97 (99%) | 95/100 (95%) | 5/100 (5%)* |
Raymond score=1 | 84/103 (82%) | 82/100 (82%) | 87/97 (90%) | mRS 0 (n=91) | mRS 2 (n=2) | |
Raymond score= 2 | 17/103 (17%) | 16/100 (16%) | 9/97 (9%) | mRS 1 (n=4) | mRS 3 (n=2) | |
Raymond score=3a | 1/103 (1%) | 1/100 (1%) | 1/97 (1%) | mRS 6 (n=1) | ||
Raymond score=3b | 1/103 (1%) | 1/100 (1%) | 0/97 (0%) | |||
ICA AcomA Anterior choroidal MCA PcomA Basilar Tip B. Sidewall SCA PICA | 23 33 1 16 16 9 2 2 1 | 23/23 (100%) 32/33 (97%) 1/1 (100%) 15/16 (94%) 16/16 (100%) 9/9 (100%) 2/2 (100%) 2/2 (100%) 1/1 (100%) | 23/23 (100%) 32/33 (97%) 1/1 (100%) 15/16 (94%) 14/14 (100%) 8/8 (100%) 2/2 (100%) 2/2 (100%) 1/1 (100%) | 22/22 (100%) 31/32 (97%) 1/1 (100%) 15/16 (94%) 13/13 (100%) 8/8 (100%) 2/2 (100%) 2/2 (100%) 1/1 (100%) | 23/23 (100%) 31/33 (94%) 0/1 (0%) 16/16 (100%) 14/14 (100%) 8/8 (100%) 2/2 (100%) 1/2 (50%) 1/1 (100%) | 1/23 (4%) 2/33 (6%) 1/1 (100%) 0/16 (0%) 0/14 (0%) 0/8 (0%) 0/2 (0%) 1/2 (50%) 0/1 (100%) |
*One patient with an mRS score of 3 had the same score at baseline, with an uncomplicated stent-assisted coil embolization procedure.
AcomA, anterior communicating artery; ICA, internal carotid artery; MCA, middle cerebral artery; PcomA, posterior communicating artery; PICA, posterior inferior cerebellar artery; SCA, superior cerebellar artery.