Intracranial Aneurysm Epidemiology

Intracranial aneurysms are acquired lesions (5-10% of the population), a fraction of which rupture leading to subarachnoid hemorrhage with devastating consequences.

In a Korean population study, the standardized incidence of intracranial aneurysm was 52.2/100,000 person-years. Older age, female sex, hypertension, history of heart disease, and family history of stroke were independent risk factors for intracranial aneurysm 1).

Intracranial aneurysms (IAs) are rare in the general pediatric population and account for <2% of all cerebral aneurysms. Only 7 children with sickle hemoglobinopathy and IAs have been reported, the majority of which were discovered after rupture.

Kim T, Lee H, Ahn S, Kwon OK, Bang JS, Hwang G, Kim JE, Kang HS, Son YJ, Cho WS, Oh CW. Incidence and risk factors of intracranial aneurysm: A national cohort study in Korea. Int J Stroke. 2016 Jul 15. pii: 1747493016660096. [Epub ahead of print] PubMed PMID: 27422699.
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