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Transthoracic Doppler Color Imaging of the Blood Flows in the Left Coronary Septal Branches Noboru Yamagata 1 , Takashi Nakamura 1 , Rika Narihara 1 , Akihiro Azuma 1 , Akiyoshi Matsumuro 1 , Hiroki Sugihara 1 , Yoshio Kohno 1 , Hiroshi Katsume 1 , Masao Nakagawa 1 , Hiroshi Kunishige 2 1Second Department of Medicine, Kyoto Prefectural University of Medicine 2Third Department of Medicine, Matsushita Memorial Hospital Keyword: カラードプラ心エコー図法 , 冠動脈中隔枝 , 冠血流速度 , Doppler echocardiography , coronary septal perforating artery , coronary blood flow velocity pp.165-170
Published Date 1993/2/15
DOI https://doi.org/10.11477/mf.1404900619
  • Abstract
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This study characterized blood flow signals derived from the left coronary septal branches by transthoracic Doppler color flow imaging. In the anterior ventricular septum, the signal was detected in 7 of 13 patients with aortic stenosis, 8 of 34 with hypertrophic car-diomyopathy, and 5 of 144 patients with other diseased states. The peak diastolic flow velocity assessed by a pulsed Doppler technique ranged 21-115 cmis (mean 57). Systolic signal was depicted in 13 of the 20 with the diastolic signal, indicating retrograde flow direction in all of them. The peak negative systolic component ranged 11-80 cm/s (mean 40).


Copyright © 1993, 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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