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Journal of Korean Neurosurgical Society > Volume 44(3); 2008 > Article
Journal of Korean Neurosurgical Society 2008;44(3): 136-140.
doi: https://doi.org/10.3340/jkns.2008.44.3.136
Familial Intracranial Aneurysms.
Jin Soo Lee, In Sung Park, Kyung Bum Park, Dong Ho Kang, Chul Hee Lee, Soo Hyun Hwang
Department of Neurosurgery, Gyeongsang National University School of Medicine, Jinju, Korea. Korea. gnuhpis@nongae.gsnu.ac.kr
Numerous studies have compared the characteristics of familial intracranial aneurysms with those of non-familial aneurysms. To better understand familial subarachnoid hemorrhage (SAH), we studied a series of patients with SAH who had at least one first-degree relative with SAH, and compared our results with those of previous studies.
We identified patients treated for SAH at our hospital between January 1993 and October 2006 and analyzed those patients with one or more first-degree relatives with SAH. We retrospectively collected data from patients with a family history and searched for patients who had relatives with aneurysms or who had been treated at other hospitals for SAH.
We identified 12 patients from six families with at least two first-degree relatives with SAH. All patients had affected first-degree relatives; in five families, they were siblings. The mean age at the time of rupture was 49.75 years; in four families, the age difference was within 5 years. In five patients (42%), the aneurysm was located in the middle cerebral artery. Only one patient had an aneurysm in the anterior communicating artery.
In agreement with previous studies, our results showed that familial aneurysms, in comparison with non-familiar aneurysms, ruptured at a younger age and smaller size, had a high incidence in the middle cerebral artery, and were underrepresented in the anterior communicating artery. Interestingly, the age at the time of rupture was similar between relatives. Screening should be considered in the fifth or sixth decade for those who have a sibling with SAH.
Key Words: Subarachnoid hemorrhage; Familial; Aneurysm; Screening
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