A Study on Myocardial Ischemia in the Left Ventricular Wall with Special Reference to Electrographic and Metabolic Changes

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概要

• 論文の詳細を見る

• Ischemic changes in the left ventricular wall were investigated during graded coronary constriction in 9 dogs. Epicardial and intramyocardial electrograms were recorded and changes in ST-segment voltage were correlated with the changes in intramyocardial gas tensions in outer and inner layers of the myocardium measured using a mass spectrometer. Electrographic and metabolic changes appeared first in inner layer and proceeded to outer layer with increasing severity of coronary constriction. In both layers intramyocardial ST-segment elevation was closely related with the increase in carbon dioxide tension (r=0.78 in inner layer and r=0.67 in outer layer). Epicardial electrogram, however, reflected the regional ischemia less sensitively than intramyocardial electrograms and has a limited function to detect myocardial ischemia.

• International Heart Journal刊行会の論文

著者

• Yokoyama Mitsuhiro

  First Department Of Internal Medicine Kobe University School Of Medicine

• Fukuzaki Hisashi

  First Department of Internal Medicine Kobe University School of Medicine

• ISHIKAWA Yuichi

  First Department of Internal Medicine,Kobe University School of Medicine.

• Maekawa Kishio

  Departments Of Cardiology Kobe National Hospital

• Fukuzaki Hisashi

  First Department Of Internal Medicine Kobe University

• Yokoyama Mitsuhiro

  First Department Of Internal Medicine Kobe University

• MAEKAWA Kishio

  First Department of Internal Medicine, Kobe University Hospital

• KATADA Yutaka

  First Department of Internal Medicine, Kobe University Hospital

• FUJIWARA Katsuaki

  First Department of Internal Medicine, Kobe University Hospital

• MIZUTANI Tetsuo

  First Department of Internal Medicine, Kobe University Hospital

• Yokoyama Mitsuhiro

  First Department Of Internal Medicine

• Ishikawa Yuichi

  First Department Of Internal Medicine Kobe University School Of Medicine

• YOKOYAMA Mitsuhiro

  First Department of Internal Medicine, Kobe University Hospital

• FUKUZAKI Hisashi

  First Department of Internal Medicine, Kobe University Hospital

• MIZUTANI Tetsuo

  First Department of Internal Medicine, Kobe Medical College

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