Clinical features of intracranial aneurysms in siblings

被引:38
作者
Kasuya, H [1 ]
Onda, H [1 ]
Takeshita, M [1 ]
Hori, T [1 ]
Takakura, K [1 ]
机构
[1] Tokyo Womens Med Univ, Dept Neurosurg, Shinjuku Ku, Tokyo 1628666, Japan
关键词
familial aneurysm; intracranial aneurysm; siblings; subarachnoid hemorrhage;
D O I
10.1097/00006123-200006000-00004
中图分类号
R74 [神经病学与精神病学];
学科分类号
摘要
OBJECTIVE: Among the family members of patients with aneurysmal subarachnoid hemorrhage (SAH), siblings have been documented to be at high risk of SAH and to have a high prevalence of unruptured aneurysms. We studied the distinctive features of aneurysms in siblings and attempted to determine the risk of rupture. METHODS: We analyzed detailed data on 159 patients with siblings who had ruptured and unruptured aneurysms in 77 families from throughout Japan. RESULTS: Seventy-three percent of the patients were female, and the mean age at the time of rupture was 55.6 years. In 39 families, two or more siblings had SAH. Eighty of 107 patients with ruptured aneurysms and 28 of 52 with unruptured aneurysms had a family history of SAH in siblings (P = 0.0082). Multiple and mirror-image aneurysms were found in 42 and 21 patients, respectively. Among 218 aneurysms, middle cerebral artery aneurysms were the most common type (43%). Anterior communicating artery aneurysms were underrepresented (15%). There were significantly more ruptured than unruptured anterior communicating artery aneurysms, compared with other aneurysms (P = 0.01). CONCLUSION: The clinical features of aneurysms in siblings in this population agreed well with those reported for familial intracranial aneurysms and SAH, except for the age at the time of rupture. It is suggested that the risk of rupture is greater when patients with unruptured aneurysms have siblings with aneurysmal SAH and/or anterior communicating artery aneurysms.
引用
收藏
页码:1301 / 1305
页数:5
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