Optimizing Reduced-Flow, Low-Volume Contrast Protocols for Cerebral Angiography in Unruptured Aneurysms

Inclusion Criteria

• •Adult participant at the time of consent (age between 18 and 80 years old);
• •Scheduled diagnostic cerebral angiography as part of routine care:
• •Initial assessment of the IA (suspected or detected in non-invasive imaging);
• •Follow-up of one or more IAs (treated or untreated);
• •Conscious and oriented participant, able to undergo the procedure under simple local anaesthesia;
• •Participant able to understand the objectives of the research and provide a dated, signed informed consent form;
• •Participant able to answer oral or written questions (French-speaking or understanding French);
• •For women of childbearing potential: negative serum β-HCG test at the inclusion visit;
• •Participant covered by a social security health insurance plan.