J Korean Med Assoc.  2020 Apr;63(5):267-274. 10.5124/jkma.2020.63.5.267.

Management of incidentally found unruptured intracranial aneurysms

Affiliations
  • 1Department of Neurosurgery, Seoul National University Hospital, Seoul National University College of Medicine, Seoul, Korea

Abstract

Incidentally found unruptured intracranial aneurysms are increasing because of the popularity of medical checkups with cerebrovascular imaging and the recent growing interest in health. Accordingly, surgical or endovascular treatments are also increasing in prevalence to improve aneurysm-related symptoms or prevent the rupture of aneurysms causing devastating conditions. However, treatment plans should be carefully determined based on the natural history of aneurysms, comorbidities of the patients, and institutional situations because of the relatively low risk of rupture, no uncommon treatment-related complications, and considerable economical and psychological burdens. Recently, domestic and international clinical guidelines for unruptured intracranial aneurysms were introduced, and the guidelines have been continuously revised according to advancements in imaging and treatment techniques. Here, this review paper introduces the clinical characteristics of unruptured intracranial aneurysms including the epidemiology, risk factors of development, growth and rupture, natural course, symptoms and signs, imaging tools for diagnosis and follow-up, and treatment methods. This paper also includes recent international prospective trials, analytic reports with big data from national health insurance and health insurance review and assessment services, and the guidelines of Korea and other foreign countries.

Keyword

Intracranial aneurysm; Natural history; Risk factors; Therapeutics
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