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Small Vascular Changes and Coronary Hemodynamics in Patients with Microvascular Angina Hiroshi Suzuki 1 , Youichi Takeyama 1 , Shinji Koba 1 , Takashi Katagiri 1 1Third Department of Internal Medicine, Showa University, School of Medicine Keyword: マイクロバスキュラーアンジーナ , シンドロームX , 電子顕微鏡 , microvascular angina , syndrome X , electron microscopy pp.255-260
Published Date 1994/3/15
DOI https://doi.org/10.11477/mf.1404900830
  • Abstract
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We studied ultrastructural changes of cardiac myocytes and small blood vessels obtained by endo-myocardial biopsy in patients with microvascular an-gina (MVA).

Thirty-two patients with ST segment depression during atrial pacing with normal coronary angiograms and without any provocated spasm were examined. During pacing, they were checked for chest pain and ECG changes by measuring coronary sinus blood flow (CSBF), myocardial oxygen consumption (MVO2) etc. and coronary angiographies were repeated. Myocardial tissues, biopsied from both ventricles were observed with a light and with an electron microscope.


Copyright © 1994, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1200 印刷版ISSN 0452-3458 医学書院

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