Table 2:

Endovascular procedures

TotalComplicationP ValueOR (95% CI)
YesNoUni-Multi-
No. of procedures (%)1042136 (13.1%)906 (86.9%)
Emergency (No.) (%)12413 (9.6%)111 (10.6%).366
Provocation test (No.) (%)117 (11.2%)8 (5.9%)109 (12.0%).059
SEP and/or MEP monitoring (No.) (%)39 (3.7%)7 (5.1%)32 (3.5%).561
No. of treatments (No.) (%)
 Initial778 (75.6%)104 (76.5%)684 (75.5%).48
 Second and more254 (24.4%)32 (23.5%)222 (24.5%).48
Strategy (No.) (%)
 Curative87 (8.3%)17 (12.5%)70 (7.7%).061
 Target144 (13.8%)15 (11.0%)129 (14.2%).312
 Presurgical638 (61.2%)74 (54.4%)564 (62.3%).08
 Preradiosurgical160 (15.4%)29 (21.3%)131 (14.5%).038.0741.13 (0.96–2.44)
No. of approaches (mean)3.2 ± 1.23.3 ± 1.5.28
Embolic material (No.) (%)
 Coils165 (15.8%)16 (11.8%)149 (15.3%).163
n-BCA627 (60.2%)83 (61.0%)544 (60.0%).827
 Onyx432 (41.5%)64 (47.1%)368 (40.6%).073
Results (No.) (%)
 Complete obliteration101 (9.7%)18 (13.2%)83 (9.2%).134
 Nearly complete285 (27.3%)38 (27.9%)247 (27.3%).869
 Partial628 (60.3%)76 (55.9%)552 (60.9%).262
 Unchanged17 (1.6%)3 (2.2%)14 (1.5%).571
  • Note:—SEP indicates sensory-evoked potential; MEP, motor-evoked potential.