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Characteristics of Cerebral Aneurysms in Japan
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- IKAWA Fusao
- Department of Neurosurgery, Shimane Prefectural Central Hospital
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- HIDAKA Toshikazu
- Department of Neurosurgery, Shimane Prefectural Central Hospital
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- YOSHIYAMA Michitsura
- Department of Neurosurgery, Shimane Prefectural Central Hospital
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- OHBA Hideo
- Department of Neurosurgery, Shimane Prefectural Central Hospital
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- OZONO Iori
- Department of Neurosurgery, Shimane Prefectural Central Hospital
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- MATSUDA Shingo
- Department of Neurosurgery, Shimane Prefectural Central Hospital
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- IIHARA Koji
- Department of Neurosurgery, Graduate School of Medical Sciences Kyushu University
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- MICHIHATA Nobuaki
- Department of Clinical Epidemiology and Health Economics, School of Public Health, The University of Tokyo
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- YASUNAGA Hideo
- Department of Clinical Epidemiology and Health Economics, School of Public Health, The University of Tokyo
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- KATO Yoko
- Department of Neurosurgery, Fujita Health University Bantane Hospital
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- KURISU Kaoru
- Department of Neurosurgery, Graduate School of Biomedical and Health Sciences, Hiroshima University
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- KINOUCHI Hiroyuki
- Department of Neurosurgery, Faculty of Medicine, University of Yamanashi
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- NOZAKI Kazuhiko
- Department of Neurosurgery, Shiga University of Medical Science
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- MORITA Akio
- Department of Neurological Surgery, Nippon Medical School Hospital
Bibliographic Information
- Published
- 2019
- Resource Type
- journal article
- DOI
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- 10.2176/nmc.ra.2019-0099
- Publisher
- The Japan Neurosurgical Society
Search this article
Description
<p>The characteristics of cerebral aneurysms in Japan differ from other countries in the higher incidence of unruptured cerebral aneurysm detected by brain check-up screening, higher rupture rate of unruptured cerebral aneurysm, higher incidence of subarachnoid hemorrhage, and superior outcome after subarachnoid hemorrhage based on meta-analysis. Head shape, genetic features, environmental factors, demographics, and medical system in Japan are also different from other countries. Unruptured cerebral aneurysms are 2.8 times more likely to rupture in Japanese than western aneurysms, resulting in the highest incidence of subarachnoid hemorrhage in the world. The exact and specific mechanisms of de novo, growth, and rupture of cerebral aneurysms have not been elucidated. Investigations will contribute to the understanding of cerebral aneurysms and subarachnoid hemorrhage worldwide. Some features of cerebral aneurysm in Japan are discussed for possible research guidance in the elucidation of the predominance of subarachnoid hemorrhage in Japan.</p>
Journal
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- Neurologia medico-chirurgica
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Neurologia medico-chirurgica 59 (11), 399-406, 2019
The Japan Neurosurgical Society
