Main series of TRA for intracranial aneurysm treatment
| Snelling et al14 | Chen et al15 | Goland et al16 | Chivot et al | |
|---|---|---|---|---|
| n | 33 | 49 | 40 | 64 |
| Type of treatment | ||||
| Flow diverter | 11 | 49 | 5 | 2 |
| Coils | 12 | 0 | 35 | 34 |
| Balloon-assisted coiling | 3 | 0 | 0 | 22 |
| Stent-assisted coiling | 6 | 0 | 0 | 6 |
| Vessel sacrifice | 1 | 0 | 0 | 0 |
| Permanent neurologic complications | 0 | 0 | 0 | 0 |
| Crossover | 15.1% (5/33) | 20.40% (10/49) | 0 | 3.1% (2/64) |
| Failure reasons | ||||
| Radial artery spasm | 2 | 2 | 0 | 0 |
| LICA tortuosity | 0 | 4 | 0 | 0 |
| LCCA origin angle | 2 | 4 | 0 | 1 |
| Subclavian tortuosity | 1 | 0 | 0 | 0 |
| Subclavian occlusion | 0 | 0 | 0 | 1 |
Note:—LICA indicates left internal carotid artery; LCCA, left common carotid artery.