Clinical Research Directory

Inclusion Criteria: 1. Age ≥18 years. 2. Requires 3D-DSA-guided interventional diagnosis or treatment (e.g., cerebral angiography, cerebral artery chemoembolization) and meets operational indications. 3. Can understand the study's purpose, procedures, potential risks, and benefits, and voluntarily signs a written informed consent form. Exclusion Criteria: 1. Severe heart or lung disease, such as heart failure or chronic obstructive pulmonary disease (COPD). 2. History of high-dose radiation exams or treatments. 3. Known allergies or severe adverse reactions to iodine contrast agents or other relevant medications. 4. Pregnant or breastfeeding women. 5. Severe comorbidities or chronic diseases (e.g., severe diabetes, renal insufficiency). 6. Severe mental illness or cognitive impairment preventing understanding of the study procedures or providing informed consent.