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  1. 0 資料タイプ別
  2. 03 紀要論文
  1. 250 大学院医歯学総合研究科(医)
  2. 20 紀要
  3. 02 新潟医学会雑誌
  4. 第105巻第9号

多発性脳梗塞症例におけるMRIの有用性に関する研究

http://hdl.handle.net/10191/39391
http://hdl.handle.net/10191/39391
bc5ec303-73df-4af1-ac82-fe6192a47fa0
名前 / ファイル ライセンス アクション
105(9)_601-613.pdf 105(9)_601-613.pdf (8.8 MB)
Item type 紀要論文 / Departmental Bulletin Paper(1)
公開日 2016-03-10
タイトル
タイトル 多発性脳梗塞症例におけるMRIの有用性に関する研究
タイトル
言語 en
タイトル 多発性脳梗塞症例におけるMRIの有用性に関する研究
言語
言語 jpn
キーワード
主題Scheme Other
主題 MRI
キーワード
主題Scheme Other
主題 multiple cerebral infarction
キーワード
主題Scheme Other
主題 clinical usefulness
キーワード
主題Scheme Other
主題 核磁気共鳴画像
キーワード
主題Scheme Other
主題 多発性脳梗塞
キーワード
主題Scheme Other
主題 臨床的有用性
資源タイプ
資源 http://purl.org/coar/resource_type/c_6501
タイプ departmental bulletin paper
その他のタイトル
その他のタイトル Study on the Clinical Usefulness of Magnetic Resonance Imaging in Cases of Multiple Cerebral Infarctions
著者 宮下, 光太郎

× 宮下, 光太郎

WEKO 130285

宮下, 光太郎

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著者別名
識別子 130286
識別子Scheme WEKO
姓名 Miyashita, Kotaro
抄録
内容記述タイプ Abstract
内容記述 We investigated the clinical significance of MRI in cases of thrombotic multiple cerebral infarction. In nine patients with recent lacunar stroke, CT and MRI enhancement studies were performed on the same day. In MRI, injection of Gd-DTPA enhanced recent lesions in all patients except for one who was examined 4 weeks after ictus, and the effect was excellent. Recent infarcts could be identified only by Gd-MRI in four of nine patients. In patients with multiple small infarctions, the use of Gd-MRI makes it possible to distinguish recent infarcts from other lesions definitively. In order to clarify the significance of periventricular high intensity lesion (PVH) in T2-weighted (T2w) MRI, hemodynamic and neuropsychological examinations were carried out in 41 patients with multiple cerebral infarctions. All the patients had PVH, which was classified into three grades as follows; grade 1 (n=16) showing only a thin high intensity band along the body of lateral ventricles; grade 2 (n=15) showing a definite high intensity area around the lateral ventricles; grade 3 (n=10) demonstrating diffuse thick and irregular foci around the whole ventricles. In these patients, rCBF was measured by ^<133>Xe inhalation methods. Initial Slope Index (ISI) was calculated for estimating rCBF. Mini-mental State Test (MMT) was also performed for evaluating the grade of psychological abnormality. ISI in patients with grade 3 was significantly higher than ISI in those with grade 1 (p<0.05). The MMT score in patients with grade 1 was significantly higher than MMT in those with grade 2 and 3 (p<0.05). Progression of PVH may be related with the reduction of the cerebral circulation and mental fuction in cases with multiple cerebral infarction. Ischemic and hemorrhagic lesions can be distinguished by MRI, because old intracerebral hemorrhages appear as hypointensity areas with or without hyperintensity areas on T2w images. In 92 patients with multiple infarctions, MRI was used to evaluate the incidence and distribution of coexisting old intracerebral hemorrhages. Old hemorrhages were found in 15 patients (16.3%). All the old hemorrhages were located where hypertensive hemorrhages commonly occur. High-field MRI is useful for assessing the coexistence of hemorrhages in hypertensive patients with mutiple cerebral infarctions.
書誌情報 新潟医学会雑誌
en : 新潟医学会雑誌

巻 105, 号 9, p. 601-613, 発行日 1991-09
出版者
出版者 新潟医学会
ISSN
収録物識別子タイプ ISSN
収録物識別子 00290440
書誌レコードID
収録物識別子タイプ NCID
収録物識別子 AN00182415
著者版フラグ
値 publisher
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