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雑誌文献

Neurological Surgery 脳神経外科47巻12号

2019年12月発行

文献概要

研究

症候性頚動脈狭窄症において総頚動脈限局病変は再発危険因子か

著者: 新美淳1 上田浩太郎1 田坂研太1 鶴岡淳2 根本文夫1 森脇拓也1 畑山和己1 内藤博道1

所属機関: 1船橋市立医療センター脳神経外科 2船橋市立医療センター脳神経内科

ページ範囲:P.1239 - P.1246

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Ⅰ.はじめに
 頚動脈狭窄症は,虚血性脳卒中の主要な原因の1つである.近年の内科的治療の発展は著しく1),無症候性頚動脈狭窄症への外科的治療介入の機会は減少しつつある.しかし,虚血性脳卒中を発症した症候性頚動脈狭窄症は,90日以内の虚血性脳卒中再発が他の病型の5倍とも報告されており11,12),適切な内科的治療に加え,積極的に外科的治療介入を必要とする症例が存在する.
 症候性頚動脈狭窄症における虚血性脳卒中再発危険因子としては,脳梗塞発症例7,20),高度狭窄病変17),プラークの炎症や脆弱性を有する病変13)などの報告がみられる.われわれは,症候性頚動脈狭窄症のうち,内科的治療抵抗性に脳梗塞再発を来した総頚動脈限局病変の2症例を経験した.
 これまで総頚動脈狭窄症に関しては,その近位部(入口部)病変を中心とした治療に関する報告3,10,18,22)が散見されるのみであり,再発に関する検討の報告はみられない.頚動脈分岐部を含む内頚動脈病変に関しては,無症候性および症候性ともに多くのランダム化比較試験が存在し,治療ガイドラインも確立されているが,総頚動脈限局病変に関してはほとんど明記されていない.
 今回われわれは,症候性頚動脈狭窄症において,総頚動脈限局病変と頚動脈分岐部を含む内頚動脈病変とを分け,総頚動脈限局病変が虚血性脳卒中再発危険因子であるかを明らかにすることを目的とし,後方視的に検討を行った.

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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