Initial and follow-up angiographic outcome in traditional unassisted and balloon-assisted coiling of cerebral aneurysms
| Variable | Balloon | Nonballoon | ||||
|---|---|---|---|---|---|---|
| % Occlusion | No. of Total Patients | No. of Studies | % Occlusion | No. of Total Patients | No. of Studies | |
| Initial total occlusion | 73 | 141 | 4 | 49 | 283 | 8 |
| Initial subtotal occlusion | 22 | 39 | ||||
| Initial incomplete occlusion | 5 | 13 | ||||
| Follow-up total occlusion | 72 | 138 | 5 | 54 | 193 | 8 |
| Follow-up subtotal occlusion | 17 | 34 | ||||
| Follow-up incomplete occlusion | 10 | 11 | ||||