Vasospasm-related characteristicsa
| Characteristics | |
|---|---|
| Reason to perform follow-up CTA (vasospasm assessment) | |
| Altered level of consciousness | 14 (28) |
| New neurologic deficit | 12 (24) |
| Raised intracranial pressure | 4 (8) |
| New ischemic lesion on CT | 2 (4) |
| None other than rule out vasospasm | 18 (36) |
| Vasospasm severity according to original CTA reports | |
| None | 10 (20) |
| Mild | 17 (34) |
| Moderate | 18 (36) |
| Severe | 5 (10) |
| Invasive vasospasm management performed following CTA | |
| DSA | 4 (8) |
| Intra-arterial milrinone | 1 (2) |
| Angioplasty | 0 (0) |
↵a Data in parentheses are percentages except where indicated.