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Japanese

Digital Subtraction Angiography:A technique for quantifying pulmonary vascular bed and flow regulation abnormalities Toshihiko Yamasa 1 , Yoshiyuki Miyahara 1 , Shigeru Kohno 1 , Akira Sakamoto 2 , Masahiro Shikuwa 2 , Sakae Futagawa 2 1The Second Department of Internal Medicine, School of Medicine, Nagasaki University 2The Department of Internal Medicine, Isahaya General Hospital Keyword: デジタルサブトラクションアンギオグラフィー , 慢性肺気腫 , 肺血管床 , digital subtraction angiography , chronic pulmonary emphysema , pulmonary vascular bed pp.479-483
Published Date 1997/5/15
DOI https://doi.org/10.11477/mf.1404901478
  • Abstract
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We report the usefullness of digital subtraction pul-monary wedge angiography to evaluate the pulmonary vascular bed and flow regulation abnormalities. 5 con-trols and 5 patients with chronic pulmonary emphysema were evaluated using the digital subtraction angiogra-phic technique. After right heart catheterization, digital subtraction angiography (DSA) was performed. Subtle defects in the capillary area, not seen in the controls, were defined in the patients with chronic pulmonary emphysema. Injection of isosorbide dinitrate enhanced this change more in controls than in the patients. By this technique, it is possible to evaluate quantitatively the flow reserve of the pulmonary vascular bed and the degree of hypoxic pulmonary vasoconstriction.


Copyright © 1997, 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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