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文献詳細

雑誌文献

Neurological Surgery 脳神経外科43巻9号

2015年09月発行

文献概要

症例

大型脳底動脈瘤に対して,ハイドロゲルコイルを用いた瘤内塞栓術後に発生した脳幹出血の1例

著者: 古市眞1 下田健太郎1 加納利和1 佐藤祥史1 吉野篤緒2

所属機関: 1川口市立医療センター脳神経外科 2日本大学医学部脳神経外科学系神経外科学分野

ページ範囲:P.835 - P.842

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Ⅰ.はじめに
 脳動脈瘤治療において,コイル塞栓術はクリッピング術に匹敵するほどの効果を有し,広く用いられるようになってきている16,21).しかしながら,コイル塞栓術は,クリッピング術よりも脳動脈瘤の再開通率が高く,その頻度は約20〜40%である19,23).そこで,再開通率を低下させるために,ハイドロゲルコイルが開発された.このコイルは高分子吸水性ポリマーであるハイドロジェルでコーティングされている.血液に触れることによって最外層の保護コーティングが溶解し,ハイドロジェルが水分を吸収し膨張を開始するという特徴をもつ.その後,20〜30分で最大容積に達し,高い体積塞栓率を示すことによって再開通率を低下させる3).一方で,ハイドロゲルコイルは頭痛,水頭症,髄膜炎といった合併症の問題が指摘されている1,6,9,10,15).今回,われわれはハイドロゲルコイル使用後約1カ月で脳幹出血を認め死亡した大型の脳底動脈-上小脳動脈分岐部動脈瘤の1例を経験したので,文献的考察を加え報告する.

参考文献

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掲載誌情報

出版社:株式会社医学書院

電子版ISSN:1882-1251

印刷版ISSN:0301-2603

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