Atlas | LVIS Jr | P value | |
Cases | 37 | 27 | |
Microcatheter/coil technique | |||
Microcatheter jailing | 32/37 (86%) | 22/27 (81%) | 0.73 |
Crossing after stenting | 5/37 (14%) | 2/27 (7%) | 0.69 |
Stenting after coiling | 0/37 (0%) | 3/27 (11%) | 0.07 |
Initial device failure/limitations | 1/37 (3%) | 5/27 (19%) | 0.07 |
Incomplete stent expansion | 1/37 (3%) | 2/27 (7%) | 0.57 |
In-stent clot formation | 0/37 (0%) | 3/27 (11%) | 0.07 |
Coiling | |||
Mean coil packing density (SD) | 35% (12) | 32% (15)* | 0.37 |
Mean number of coils deployed (SD) | 6 (3) | 6 (5) | 0.94 |
Initial occlusion class | |||
Raymond 1 | 21/37 (57%) | 11/27 (41%) | 0.03 |
Raymond 2 | 9/37 (24%) | 8/27 (30%) | 0.78 |
Raymond 3 | 7/37 (19%) | 8/27 (30%) | 0.37 |
Post-treatment MRI performed (n) | 23 | 21 | |
Diffusion restriction | 8/23 (35%) | 8/21 (38%) | 1 |
Single punctate area | 3/23 (13%) | 4/21 (19%) | 0.69 |
Multiple areas | 5/23 (22%) | 4/21 (19%) | 1 |
Symptomatic ischemic postoperative complication | 1/37 (3%) | 4/27 (15%) | 0.15 |
TIA | 0/37 (0%) | 1/27 (4%) | 0.42 |
Minor stroke | 0/37 (0%) | 3/27 (11%) | 0.07 |
Major stroke | 1/37 (3%) | 0/27 (0%) | 1 |
Patients with DSA follow-up | 25/37 (68%) | 21/27 (78%) | 0.41 |
Mean DSA follow-up period in months (SD) | 12.1 (4) | 11.6 (6) | 0.71 |
Follow-up occlusion class | |||
Raymond 1 | 23/25 (92%) | 14/21 (67%) | 0.06 |
Raymond 2 | 2/25 (8%) | 3/21 (14%) | 0.65 |
Raymond 3 | 0/25 (0%) | 4/21 (19%) | 0.04 |
Recanalization | 0/25 (0%) | 2/21 (10%) | 0.2 |
Re-treatment | 0/25 (0%) | 1/21 (5%) | 0.46 |
In-stent stenosis at follow-up study | 0/25 (0%) | 4/21 (19%) | 0.04 |
Aneurysm occlusion based on final DSA (initial/follow-up) | |||
Raymond 1 | 30/37 (81%) | 17/27 (63%) | 0.15 |
Raymond 2 | 6/37 (16%) | 5/27 (19%) | 1 |
Raymond 3 | 1/37 (3%) | 5/27 (19%) | 0.07 |
*Increases to 35% if two cases where coiling could not be performed are excluded.
TIA, transient ischemic attack.