Adverse event | ‘Coil stent’ (n=20) | ‘Jailing’ (n=28) | ‘Coil through’ (n=97) | ‘Balloon stent’ (n=94) |
---|---|---|---|---|
Access difficulty | ||||
Inability to catheterize aneurysm through stent (first time or on attempted re-entry) or difficulty manipulating microcatheter within aneurysm | 0/20 (0) | 3/28 (10.7) | 15/97 (15.5) | 0/94 (0) |
Mechanical, stent related | ||||
Stent migration, misplacement, failed deployment | 1/20 (5) | 0/28 (0) | 12/97 (12.4) | 8/94 (8.5) |
Mechanical, coil related | ||||
Coil loop herniation or coil fracture protruding into parent vessel | 1/20 (5) | 4/28 (14.3) | 11/97 (11.3) | 4/94 (4.3) |
Perforation | 0/20 (0) | 1/28 (3.6) | 1/97 (1) | 2/94 (2.1) |
Thrombotic (overall) | 13/20 (65) | 11/28 (39.3) | 22/97 (22.7) | 15/94 (16) |
In-stent thrombus, clot on coil | 7/20 (35) | 3/28 (10.7) | 2/97 (2.1) | 7/94 (7.4) |
DWI on MRI | 5/20 (25) | 5/28 (17.9) | 17/97 (17.5) | 5/94 (5.3) |
Clinical stroke | 1/20 (5) | 3/28 (10.7) | 3/97 (3.1) | 0/94 (0) |
Other | ||||
Iatrogenic carotid or vertebral dissection Catheter induced vasospasm requiring vasodilator infusion | 1/20 (5) | 2/28 (7.1) | 1/97 (1) | 2/94 (2.1) |
Clinically significant events | 1/20 (5) | 4/28 (14.2) | 4/97 (4.1) | 2/94 (2.1) |
Overall | 13/20 (65) | 16/28 (57) | 48/97 (49) | 29/94 (31) |
Data are number (%).
DWI, diffusion weighted imaging.