Complication rates in Groups 1 and 2
| Group 1 (1994-June 2004) | Group 2 (June 2004-April 2008) | |||||
|---|---|---|---|---|---|---|
| No. of Patients | Total Patients | % | No. of Patients | Total Patients | % | |
| Failed attempts | 25 | 206 | 12.1 | 9 | 205 | 4.4 |
| Intraprocedural complications | ||||||
| Aneurysm perforations | 16 | 189 | 8.5 | 7 | 188 | 3.7 |
| Thromboembolic events | 16 | 189 | 8.5 | 6 | 188 | 3.2 |
| Rehemorrhage | 4 | 189 | 2.1 | 3 | 188 | 1.6 |
| Recanalization | 26 | 138 | 18.8 | 30 | 138 | 21.7 |