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Evaluation for Physiologic Significance of Coronary Residual Stenosis during PTCA Procedure:By measuring transstenotic coronary pressure gradient Kouich Kawata 1 , Takahisa Sawada 1 , Hiroshi Fujita 1 , Tetsuya Tanaka 1 , Kouki Tsuruyama 1 , Takaaki Mizutani 1 , Akihiro Azume 2 , Masao Nakagawa 2 1Division of Cardiology, Ayabe Municipal Hospital 2Second Department of Medicine, Kyoto Prefectural University of Medicine Keyword: 圧較差 , 圧センサー付きガイドワイヤー , PTCA , transstenotic pressure gradient , pressure guide pp.803-808
Published Date 1994/8/15
DOI https://doi.org/10.11477/mf.1404900914
  • Abstract
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Angiographic assessment of coronary stenosis has many limitations especially after percutaneous trans-luminal coronary angioplasty (PTCA), where injuries in the arterial wall make angiographic analysis even more difficult.

To determine the physiologic significance of such lesions we measured mean transstenotic pressure gradi-ents at rest (ΔP1) and during maximal hyperemia (ΔP2) induced by intracoronary administration of papaverine (6-8mg) in 16 patients after angiographical-ly successful PTCA.


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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