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Japanese

The effects of percutaneous transluminal coronary angioplasty (PTCA) on coronary flow reserve Shinsuke Nanto 1 , Kazuhisa Kodama 1 , Koichi Taniura 1 , Masashi Naka 1 , Yukihiro Koretsune 2 , Masayoshi Mishima 2 , Michitoshi Inoue 2 1Cardiac Intensive Care Unit of Osaka Police Hospital 21st Department of Medicine, Osaka University pp.75-81
Published Date 1986/1/15
DOI https://doi.org/10.11477/mf.1404204807
  • Abstract
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To evaluate the effects of percutaneous translumi-nal coronary angioplasty on coronary flow reserve, we studied three patients with angina pectoris about the change in coronary flow reserve with reduction of coronary narrowing by PTCA.

These patients had severe coronary narrowings in the proximal portion of left anterior descending ar-tery.

After PTCA, less than 25% of narrowings were shown in these patients. Great cardiac venous flow which was measured with thermodilution technique was unchanged at rest. During rapid atrial pacing (130-150/min), it increased remarkably after suc-cessive PTCA. Furthermore, ishemia which was pro-voked by pacing induced tachycardia before PTCA, was improved after PTCA-lactate uptake increased and coronary AVDO2 decreased.

We conclude that percutaneous transluminal an-gioplasty has a beneficial effect on coronary flow reserve which decrease in coronary artery disease.


Copyright © 1986, 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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