Treatment Strategies for Unruptured Intracranial Aneurysms in the Chinese Population China Treatment Trial for Unruptured Intracranial Aneurysm (ChTUIA)

Exclusion Criteria

• •1. Ruptured intracranial aneurysms, accompanied by subarachnoid hemorrhage or cerebral hemorrhage ;
• •2. Traumatic, infectious and atrial myxoma-associated intracranial aneurysms ;
• •3. Combined with cerebrovascular malformations;
• •4. Combined with brain tumors or malignant tumors in other parts ;
• •5. Combined with systemic connective tissue disease and systemic rheumatic disease ;
• •6. Due to other diseases, or poor general condition, the expected survival time is not more than 12 months ;
• •7. During pregnancy and perinatal period.