A Study on a Multidimensional Prediction Model for Rupture Risk of Unruptured Intracranial Aneurysms

Inclusion Criteria: * At least 1 UIA that is untreated and confirmed by imaging: Computed tomography angiography (CTA), magnetic resonance angiography (MRA) and digital subtraction angiography (DSA). Regardless of the presence of clinical symptoms * Patient currently has the ability to live independently, and a modified Ranking Score less than or equal to 3 points * Older than 14 years of age * Patient or relatives agreed to sign the consent form Exclusion Criteria: * Subarachnoid hemorrhage of unknown origin * Presence of other intracranial vascular malformations, such as cerebral arteriovenous malformation (AVM) or cerebral arteriovenous fistula (AVF) * Intracranial and other malignant tumors * Fusiform, traumatic, bacterial or dissecting aneurysm * Patients with severe mental illness who are unable to communicate * Patients with other diseases or poor general condition who are expected to survive less than 1 year * Patients with intracranial aneurysms who have joined other similar research institutions * Patients who refused follow-up The definition of modified Ranking Score: * 0 Completely silent * 1 Despite symptoms, but not visibly disabled, can complete all regular duties and activities * 2 Mild disabilities, not all activities previously possible, but can deal with personal affairs without need of assistance * 3 Moderate disability requires some help, but walking does not need assistance; * 4 Severe disabilities, unable to walk independently, no others can not meet their needs * 5 Severely disabled, bedridden, Urine, requiring continuous care and care; * 6 Mortality