Table 1.
Patient characteristics
| DCI with infarction (n = 17) | DCI without infarction (n = 16) | |
|---|---|---|
| Women (n, %) | 12 (71 %) | 14 (88 %) |
| Age (mean, range) | 52 (29–67) | 58 (28–81) |
| Admission WFNS score (%) | ||
| I | 7 (41 %) | 4 (25 %) |
| II | 5 (29 %) | 5 (31 %) |
| III | 2 (12 %) | 1 (6 %) |
| IV | 1 (6 %) | 4 (25 %) |
| V | 2 (12 %) | 2 (13 %) |
| Aneurysm location (%) | ||
| Acom, ACA | 8 (47 %) | 7 (44 %) |
| Pcom | 3 (18 %) | 5 (31 %) |
| BA | 3 (18 %) | 2 (13 %) |
| ICA | 3 (18 %) | 2 (13 %) |
| Treatment (%) | ||
| Coil | 10 (59 %) | 9 (56 %) |
| Clip | 6 (35 %) | 6 (38 %) |
| None | 0 (0 %) | 1 (6 %) |
| Both | 1 (6 %) | 0 (0 %) |
| Hypertension induction as treatment for DCI (%) | 5 (29 %) | 4 (25 %) |
| Perfusion deficit visible on CTP during clinical deterioration (%) | 15 (88 %) | 6 (38 %) |
| Clinical presentation at time of clinical deterioration (%) | ||
| WFNS score | ||
| I | 0 (0 %) | 0 (0 %) |
| II | 1 (6 %) | 1 (6 %) |
| III | 1 (6 %) | 1 (6 %) |
| IV | 6 (35 %) | 3 (19 %) |
| V | 2 (12 %) | 5 (31 %) |
| Focal deficit | 6 (35 %) | 5 (31 %) |
| Unknown | 1 (6 %) | 1 (6 %) |
| Mean CTP value (with SD) per patient (standard ROIs and perfusion deficits) | ||
| CBF (mL/100 g/min) | 25.29 (9.76) | 30.38 (12.43) |
| CBV (mL/100 g) | 2.79 (0.98) | 3.21 (1.15) |
| MTT (s) | 14.43 (1.97) | 13.88 (1.07) |
| TTP (s) | 14.20 (3.04) | 14.09 (2.09) |
DCI delayed cerebral ischemia, WFNS World Federation of Neurosurgeons, Acom anterior communicating artery, ACA anterior cerebral artery, Pcom posterior communicating artery, BA basilar artery, ICA internal carotid artery, CTP CT perfusion, SD standard deviation, ROIs regions of interest, CBF cerebral blood flow, CBV cerebral blood volume, MTT mean transit time, TTP time to peak