Characteristics of patients with cerebral vasospasm treated with ≥3 interventions compared with those treated with ≤2 interventions
| Characteristics | Group I: 1 or 2 Interventions | Group II: 3–6 Interventions | All Patients | P Value |
|---|---|---|---|---|
| Cases (No.) (%) | 52 (63) | 31 (37) | 83 (100) | |
| Age (mean) (range) (yr) | 55.5 ± 11.3, 24–75 | 52.1 ± 8.6, 34–77 | 54.2 ± 10.5, 24–77 | .158 |
| Women (No.) (%) | 42 (81) | 24 (77) | 66 (80) | .782 |
| Hunt and Hess grade (No.) (%) | ||||
| HH scale ≤2 | 27 (52) | 11 (36) | 38 (46) | .176 |
| HH scale ≥3 | 25 (48) | 20 (64) | 45 (54) | .176 |
| Fisher grade 3 (No.) (%) | 46 (89) | 30 (97) | 76 (92) | .248 |
| GCS at admission | ||||
| Mild | 21 (41) | 13 (42) | 34 (42) | .999 |
| Moderate | 8 (16) | 9 (29) | 17 (21) | .162 |
| Severe | 22 (43) | 9 (29) | 31 (38) | .245 |
| Aneurysms location (No.) (%) | ||||
| Anterior | 33 (64) | 21 (68) | 54 (65) | .813 |
| Posterior | 19 (36) | 10 (32) | 29 (35) | .813 |
| Multiple aneurysms | 17 (33) | 13 (42) | 30 (36) | .481 |
| Aneurysm obliteration | ||||
| Clipping | 19 (36) | 5 (16) | 24 (29) | .078 |
| Coiling | 33 (64) | 26 (84) | 59 (71) | .078 |
| Intracerebral hemorrhage | 7 (14) | 9 (29) | 16 (20) | .15 |
| Intra-arterial spasmolysis | ||||
| No. of treatments (mean) (range) | 78 (1.5 ± 0.5, 1–2) | 132 (4.3 ± 1.6, 3–10) | 210 (2.5 ± 1.7, 1–10) | <.001 |
| No. of vessel segments treated (mean) (range) | 152 (2.9 ± 1.5, 1–6) | 298 (9.6 ± 6.6, 4–40) | 450 (5.4 ± 5.3, 1–40) | <.001 |
| No. of vascular territories (mean) (range) | 85 (1.6 ± 0.7, 1–3) | 72 (2.3 ± 0.8, 1–3) | 157 (1.9 ± 0.8, 1–3) | <.001 |
| PTA (No.) (%) | 9 (17) | 17 (55) | 26 (31) | .001 |
| Vessel dissections (No.) (%) | 1 (2) | 5 (16) | 6 (7) | .03 |
| Follow-up (mean) (median) (range) (mo) | 12 ± 8.7, 10, 1–24 | 10 ± 6.3, 9, 2–22 | 11 ± 7.9, 10, 1–24 | .316 |