Experimental Studies of Coronary Insufficiency I. Changes in Myocardial Contractility in the Ischemic Area of the Ventricle Following Acute Coronary Occlusion

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概要

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• Change,s in the myocardial contractility following acute and complete coronary occlusion were investigated in anesthetized open-chest dogs. Developed tension (DT) obtained with a strain gauge arch, without stretching the resting length of muscle, at the area supplied by the left anterior descending coronary artery decreased progressively and disappeared within one minute after its occlusion. When the myocardial segment was stretched with a modified strain gauge arch, DT could be recognized even in the ischemic myocardium in which DT disappeared without stretching. The resting length-developed tension curve, however, was shifted remarkably to the lower right during ischemia. The mechanism of occurrence of "bulge" in the ischemic area of the ventricle was discussed.

• 社団法人日本循環器学会の論文
• 1970-01-20

著者

• Yoshida Shinji

  First Department Of Internal Medicine Nagoya University School Of Midicine

関連論文

• Intensity Distribution of the Systolic Murmur in Ventricular Septal Defect on the Chest Surface
• Experimental Studies of Coronary Insufficiency I. Changes in Myocardial Contractility in the Ischemic Area of the Ventricle Following Acute Coronary Occlusion

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