Clinical characteristics of aSAH patients with preventive and rescue intrathecal therapy
| PREVENTIVE | RESCUE | P value | |
| No of patients, n (%) | 62 (73.8) | 22 (26.1) | |
| Type of intervention for cisternal therapy | |||
| STX-VCS, n (%) | 51 (82) | 22 (100) | |
| CVC, n (%) | 11 (18) | – | |
| Time between aSAH onset and intervention, mean, hours (range) | 53 (4–108) | 161 (24–272) | <0.0001 |
| Female, number (%) | 43 (69%) | 17 (77) | 0.59 |
| Age, median, years (IQR) | 61 (52–66) | 52 (45–63) | 0.033 |
| WFNS grade, n (%) | |||
| 1 | 2 (3) | 7 (32) | <0.0001 |
| 2 | 4 (6) | 3 (14) | |
| 3 | 4 (6) | 4 (18) | |
| 4 | 12 (19) | 1 (5) | |
| 5 | 43 (69) | 7 (32) | |
| Hijdra score | |||
| Ventricles | 6.2 (4.1) | 3.3 (4.3) | 0.0049 |
| Cisterns | 20.1 (8.0) | 13.1 (7.2) | 0.0003 |
| Total | 26.3 (8.6) | 16.5 (7.3) | 0.0001 |
| Location of ruptured aneurysm, n (%) | |||
| MCA | 13 (21) | 11 (50) | 0.0055 |
| ACA | 34 (55) | 3 (14) | |
| ICA | 7 (11) | 5 (23) | |
| PCA | 8 (13) | 3 (14) | |
| Aneurysm treatment, n (%) | |||
| Clip | 24 (38) | 14 (64) | 0.051 |
| Coil | 38 (62) | 8 (36) | |
| Prespecified DCI-risk by de Rooij score, % (SD) | 47.5% (±11.4) | 37.7% (±15.1) | 0.003 |
p-values of parameters reaching statistically significant differences between groups are marked in bold font
ACA, anterior cerebral artery; aSAH, aneurysmal subarachnoid haemorrhage; CVC, cisterno-ventriculostomy catheter; DCI, delayed cerebral infarction; ICA, internal carotid artery; MCA, middle cerebral artery; PCA, posterior circulation arteries; STX-VCS, stereotactic catheter ventriculocisternostomy; WFNS, World Federation of Neurosurgical Societies.