Table 5.
A2 plane, side of approach, A1 dominance, intraoperative and postoperative complications and outcome in superiorly projecting aneurysms.
| Variables | A2 plane |
Total (n = 48) | p value | |
|---|---|---|---|---|
| Open (n = 19) | Closed (n = 29) | |||
| Side of approach | 0.312 | |||
| Left | 12 (63.1) | 14 (48.3) | 26 (54.1) | |
| Right | 7 (36.8) | 15 (51.7) | 22 (45.8) | |
| A1 dominance | 0.50 | |||
| Left | 9 (47.4) | 9 (31.1) | 18 (37.5) | |
| Right | 3 (15.8) | 5 (17.2) | 8 (16.7) | |
| No dominance | 7 (36.8) | 15 (51.7) | 22 (45.8) | |
| Complications | ||||
| IOR | 0 (0) | 1 (3.4) | 1 (2.1) | 0.475 |
| Gyrus rectus resection | 2 (10.5) | 3 (10.3) | 3 (6.2) | 0.322 |
| Perforator injury | 0 (0) | 1 (3.4) | 1 (2.1) | 0.531 |
| Temporary clipping | 5 (26.3) | 8 (27.6) | 13 (27.1) | 0.923 |
| Contusion | 0 (0) | 1 (3.4) | 1 (2.1) | 0.475 |
| Infarction | 2 (10.5) | 6 (20.7) | 8 (16.7) | 0.455 |
| Hematoma | 2 (10.5) | 4 (13.8) | 6 (12.5) | 0.69 |
| VP shunt | 2 (10.5) | 4 (13.8) | 6 (12.5) | 0.147 |
| MRS | 0.503 | |||
| 0 | 4 (21.1) | 2 (6.9) | 6 (12.5) | |
| 1 | 5 (26.4) | 8 (27.6) | 13 (27.1) | |
| 2 | 6 (31.6) | 14 (48.3) | 20 (41.6) | |
| 3 | 1 (5.2) | 1 (3.4) | 2 (4.2) | |
| 4 | 1 (5.2) | 0 (0) | 1 (2.1) | |
| 5 | 2 (10.5) | 4 (13.8) | 6 (12.5) | |
| 6 | 0 (0) | 0 (0) | 0 (0) | |
IOR: intraoperative rupture, VP shunt: ventriculoperitoneal shunt, MRS: modified rankin scale.