Pipeline Embolization for Intracranial Aneurysms

Exclusion Criteria

• •1. With contraindications to flow-diversion treatment or known allergy to cobalt-chromium alloy or contrast medium;
• •2. Pregnancy or lactation;
• •3. Coexist with other vascular lesions (coronary artery disease, abdominal aortic aneurysm, severe intracranial artery stenosis, arteriovenous malformation, dural arteriovenous fistula, Moyamoya disease, etc.);
• •4. Parent vessel with a diameter \<2.0 mm or ≥5.0 mm.;
• •5. Unwilling to be followed up or likely to have poor treatment compliance;
• •6. Life expectancy less than 3 years;
• •7. Inability to receive anti-platelet or anticoagulant medication;
• •8. Severe neurological deficit that renders the patient unable to live independently (modified Rankin score ≥4);
• •9. Enrollment in another trial or other situations that the researcher deems unsuitable for inclusion in the study.