Table 3.
Summary of 44 reported cases of subarachnoid hemorrhage with extravasation of contrast medium seen on computed tomography angiography (CTA), including those reported herein
| Patient characteristics | Valuables | |
|---|---|---|
| Age | mean ± SD (range) | 63.5 ± 15.0 (35–96) |
| Sex | M/F | 16/28 |
| Location | ACoA | 16 |
| ACA | 3 | |
| ICA | 10 | |
| MCA | 9 | |
| BA/VA | 4 | |
| PCA | 2 | |
| Time from onset to CTA | ≤1 h | 18 |
| 1 h<, ≤2 h | 8 | |
| 2 h <, ≤3 h | 7 | |
| 3 h <, ≤6 h | 1 | |
| 6 h < | 3 | |
| NR | 7 | |
| WFNS Grade before CTA | I | 2 |
| II | 6 | |
| III | 0 | |
| IV | 4 | |
| V | 28 | |
| NR | 4 | |
| Treatment | clipping | 15 |
| coil embolization | 3 | |
| no aneurysm secure | 26 | |
| Outcome | favorable | 8 |
| vegetative state | 3 | |
| death | 32 | |
| NR | 1 |
The vast majority of patients were of poor grade. Less than half aneurysms were secured and these were associated with poor clinical outcome: 18% survived with a favorable functional status and 72% died.
WFNS World Federation of Neurosurgical Societies, AcoA anterior communicating artery, ACA anterior cerebral artery, ICA internal carotid artery, MCA middle cerebral artery, BA basilar artery, VA vertebral artery, PCA posterior cerebral artery, NR not reported.