If the participants agree to participate in this study, the participants will undergo two scans (classic 3D-DSA and PS-3D-DSA assisted scan) to compare the imaging effects of both. After the procedure, the investigators will record the radiation exposure and collect DSA images.
Age ≥18 years.
Requires 3D-DSA-guided interventional diagnosis or treatment (e.g., cerebral angiography, cerebral artery chemoembolization) and meets operational indications.
Can understand the study's purpose, procedures, potential risks, and benefits, and voluntarily signs a written informed consent form.
Severe heart or lung disease, such as heart failure or chronic obstructive pulmonary disease (COPD).
History of high-dose radiation exams or treatments.
Known allergies or severe adverse reactions to iodine contrast agents or other relevant medications.
Pregnant or breastfeeding women.
Union Hospital, Tongji Medical College, Huazhong University of Science and Technology
Lead sponsor
Huazhong University of Science and Technology
Sponsor institution