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Japanese

Preoperative scoring and operative complications of unruptured cerebral aneurysms Katsumi MATSUMOTO 1 , Katsuhito AKAGI 1 , Makoto ABEKURA 1 , Yasutaka MAEDA 1 , Amami KATO 2 , Eiji KOHMURA 2 , Toru HAYAKAWA 2 1Department of Neurosurgery, Hanwa Memorial Hospital 2Department of Neurosurgery, Osaka University School of Medicine Keyword: complication , treatment , unruptured aneurysm pp.785-790
Published Date 1997/9/10
DOI https://doi.org/10.11477/mf.1436901444
  • Abstract
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Low risk of mortality and morbidity are necessary pre-conditions for surgical treatment of unruptured cere-bral aneurysms. We assessed retrospectively 132 pa-tients with angiographically confirmed cerebral aneurysms using an unruptured aneurysm score. Among them, 84 patients were treated surgically. The score consists of the sum of scores for the following factors: associated disease (none: 0, one: 1, two or more: 2); aneurysm size (below 14mm: 0,15- 24mm: 1, 25mm or more: 2); location (anterior cir-culation: 0, carotid cave: 1, posterior circulation: 2); and multiplicity (single: 0, two or more: 1). Eleven patients had complications and the morbidity rate in-cluding asymptomatic lesions was 13.1%. Five patients had permanent neurologic deficits (final morbidity rate 5.9%). The majority of patients with scores less than 1 underwent operations and the morbidity rate was low, whereas patients with scores between 2 and 4 had a higher morbidity rate. Preoperative scoring is useful for predicting surgical risks associated with unruptured cerebral aneurysm.


Copyright © 1997, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1251 印刷版ISSN 0301-2603 医学書院

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