Epidemiology of Aneurysmal Subarachnoid Hemorrhage

Brad E. Zacharia, Zachary L. Hickman, Bartosz T. Grobelny, Peter DeRosa, Ivan Kotchetkov, Andrew F. Ducruet, E. Sander Connolly

Research output: Contribution to journalReview articlepeer-review

177 Scopus citations


Aneurysmal subarachnoid hemorrhage (aSAH) is a form of hemorrhagic stroke that affects up to 30,000 individuals per year in the United States. The incidence of aSAH has been shown to be associated with numerous nonmodifiable (age, gender, ethnicity, family history, aneurysm location, size) and modifiable (hypertension, body mass index, tobacco and illicit drug use) risk factors. Although early repair of ruptured aneurysms and aggressive postoperative management has improved overall outcomes, it remains a devastating disease, with mortality approaching 50% and less than 60% of survivors returning to functional independence. As treatment modalities change and the percentage of minority and elderly populations increase, it is critical to maintain an up-to-date understanding of the epidemiology of SAH.

Original languageEnglish (US)
Pages (from-to)221-233
Number of pages13
JournalNeurosurgery clinics of North America
Issue number2
StatePublished - Apr 2010

All Science Journal Classification (ASJC) codes

  • Surgery
  • Clinical Neurology


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