| SAH | subarachnoid hemorrhage |
| HCR | high-capacity runners |
| LCR | low-capacity runners |
| HO-1 | heme oxgenase-1 |
| EBI | early brain injury |
| ICP | intracranial pressure |
| BBB | blood–brain barrier |
| IVH | intraventricular hemorrhage |
| Hp | haptoglobin |
| Hb | hemoglobin |
| CSF | cerebrospinal fluid |
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