This is a retrospective, hospital-based and multi-center study aiming at investigating the potential exposures associated with the formation, progression, and rupture of intracranial aneurysms in Chinese population.
IA diagnosis (ruptured or unruptured) or exclusion by digital subtractive angiography (DSA) or by cranial computed tomography angiography (CTA) / magnetic resonance angiography (MRA);
Aged ≥ 18 and ≤ 18 years old;
With complete demographic data including age and sex;
With medical record archiving officially.
Missing data of age, sex or hypertensive status;
Age <18 or >80 years;
Pregnancy;
With a history of intracranial arteriovenous malformation, Moyamoya, polycystic kidney disease, Ehlers-Danlos syndrome, Gronblad-Strandberg syndrome, or Marfan syndrome;
Zhujiang Hospital
Lead sponsor
Beijing Tiantan Hospital
Collaborator
Guangdong Provincial People's Hospital
Collaborator
First Affiliated Hospital of Chongqing Medical University
Collaborator
The Affiliated Hospital Of Southwest Medical University
Collaborator