The goal of this prospective observational cohort study is to learn about treatment strategies for unruptured intracranial aneurysms in the Chinese population. The main questions it aims to answer are: * To establish a cohort of patients with intracranial unruptured aneurysm and explore the optimal clinical treatment strategy. * To establish clinical management path for patients with unruptured intracranial aneurysm. According to the treatment of all patients with unruptured intracranial aneurysm, they were divided into the following groups: 1. Conservative treatment group; 2. Intracranial aneurysm clipping group; 3. Coil embolization or stent-assisted coil embolization group; 4. Flow diversion group.
Study Type
OBSERVATIONAL
Enrollment
31,595
observation
Capital Medical University Affiliated Beijing Tiantan Hospital
Beijing, Beijing Municipality, China
Primary Outcome
Functional outcomes(modified Rankin Scale,mRS) at 2 years after treatment decision
Time frame: 2 years
MACCE events
Incidence of major adverse cardiovascular/cerebrovascular events (MACCE events) in patients with atherosclerotic heart disease within 1 year after treatment decision.
Time frame: 1 years
cardiovascular/cerebrovascular events
Incidence of cardiovascular/cerebrovascular events in 2 years after receiving different treatment strategies.
Time frame: 2 years
Cost
Costs associated with unruptured intracranial aneurysms within 2 years after treatment with different strategies.
Time frame: 2 years
Aneurysm-related bleeding events
Incidence of aneurysmal-related bleeding events within 2 years after receiving different treatment strategies.
Time frame: 2 years
Mortality associated with intracranial aneurysms
Mortality associated with intracranial aneurysms within 2 years after treatment with different strategies
Time frame: 2 years
All-cause mortality
All-cause mortality of patients within 2 years after different treatment strategies.
Time frame: 2 years
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