Clinical Research Directory

Inclusion Criteria: Intracerebral hemorrhage group: Age 18 years or older Diagnosis of intracerebral hemorrhage confirmed by head CT or MRI Supratentorial hemorrhage No surgical treatment Hematoma volume less than 30 mL Admission within 24 hours after symptom onset The participant or the legally authorized representative/next of kin is able to provide written informed consent Healthy control group: Age 18 years or older Recruited from the hospital health examination center No history of stroke, intracerebral hemorrhage, cerebral infarction, or other major neurological diseases No severe active infection, severe immune disease, hematologic disease, or end-stage severe heart, liver, or renal failure No acute infection, trauma, or other obvious stress state within the previous 2 weeks Able to provide written informed consent Exclusion Criteria: Intracerebral hemorrhage group: Traumatic intracerebral hemorrhage Secondary intracerebral hemorrhage caused by brain tumor, cerebrovascular malformation, aneurysm, or hemorrhagic transformation of infarction Severe active infection, severe immune disease, or hematologic disease End-stage severe heart, liver, or renal failure Pregnant or lactating women Any other condition judged unsuitable by the investigator Healthy control group: History of stroke, intracranial hemorrhage, brain tumor, or other major neurological diseases Severe active infection, severe immune disease, or hematologic disease End-stage severe heart, liver, or renal failure Pregnant or lactating women Any other condition judged unsuitable by the investigator