Summary of peri-operative and delayed complications
| Complications | N (%) | N (%) requiring revision surgery |
| Peri-operative complications (<30 days) n=41 | ||
| Periprocedural hygroma | 1 (2%) | 1 (2%) |
| Donor occlusion (STA branch, abort of bypass procedure) | 1 (2%) | |
| Ischemic events | 4 (10%) | |
| Permanent stroke | 1 | |
| Transient neurological deficits (TIA) | 2 | |
| Asymptomatic perforator infarction | 1 | |
| Pulmonary embolism (PE) and deep-vein thrombosis (DVT) | 2 (5%) | |
| Neurologic death | 0 (0%) | |
| Non-neurologic death | 0 (0%) | |
| Delayed complications (n=37) | ||
| Ischemic events | ||
| Delayed coil permeation, ICA repermeation, TIA | 1 (3%) | 1 (3%) |
| Wound necrosis | 2 (6%) | |
| Neurologic death | 0 (0%) | |
| Non-neurologic death | 2 (6%) |