Incidence of complications
| Complications | n-BCA (n = 54) | PVA (n = 52) |
|---|---|---|
| Seizure | 5(9.3%) | 5(9.6%) |
| Catheter glued inside vessel | 4(7.4%) | 0(0.0%) |
| Late polymerization | 3(5.6%) | 0(0.0%) |
| Occluded catheter | 3(5.6%) | 5(9.6%) |
| Parenchymal hemorrhage | 3(5.6%) | 6(11.5%) |
| Vasospasm | 3(5.6%) | 7(13.5%) |
| AVM rupture | 2(3.7%) | 1(1.9%) |
| Early polymerization | 2(3.7%) | 0(0.0%) |
| Inability to subselect vessel | 2(3.7%) | 4(7.7%) |
| CVA (stroke) | 2(3.7%) | 3(5.8%) |
| Death | 1(1.9%) | 3(5.8%) |
| Hematoma | 1(1.9%) | 1(1.9%) |
| Incorrect vessel(s) occluded | 1(1.9%) | 0(0.0%) |
| Infection/inflammation | 1(1.9%) | 0(0.0%) |
| Over-the-wire system could not be advanced | 1(1.9%) | 1(1.9%) |
| Thromboembolism | 1(1.9%) | 1(1.9%) |
| Vessel dissection | 1(1.9%) | 1(1.9%) |
| Vessel perforation | 1(1.9%) | 3(5.8%) |
| Cranial ischemia (TIA) | 0(0.0%) | 2(3.8%) |
| Catheter rupture | 0(0.0%) | 1(1.9%) |
| Failure to access vessel | 0(0.0%) | 2(3.8%) |
| Flow too high for safe infusion of embolic agent | 0(0.0%) | 2(3.8%) |
| Headache | 0(0.0%) | 2(3.8%) |
| Pulmonary embolism | 0(0.0%) | 1(1.9%) |
| Subarachnoid hemorrhage | 0(0.0%) | 2(3.8%) |
| Provocative test failed | 0(0.0%) | 1(1.9%) |
| Uncooperative patient | 0(0.0%) | 2(3.8%) |
| Other | 9(16.7%) | 9(17.3%) |
Note.—n-BCA indicates n-butyl cyanoacrylate; PVA, polyvinyl alcohol; AVM, arteriovenous malformation; CVA, cerebrovascular accident; TIA, transient ischemic attack.