Studies of Pulmonary Blood Volume in Man Effect of Amyl Nitrite

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概要

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• The pulmonary blood volume was measured in the normal and in patients with mild mitral stenosis and coronary heart disease. The pulmonary blood volume in the normal was 360 ml./M.2, in the mitral stenosis 440ml./M.2 and in the coronary heart disease 374 ml./M.2, respectively.The inhalation of amyl nitrite resulted in an increase in cardiac index (normal +50%, mitral stenosis +23%, coronary heart disease +40%) and a decrease in the peak-to-peak time (normal -35%, mitral stenosis -20%, coronary heart disease -16%) in each group. The pulmonary blood volume after the inhalation did not change significantly in the normal (-7%) and in the mitral stenosis (-7%), and increased significantly in the coronary heart disease group (+19%).A positive vasodilating effect of amyl nitrite on the pulmonary vasculature was not recognized in this study.

• International Heart Journal刊行会の論文

著者

• Akatsuka Nobuharu

  First Department Of Internal Medicine Faculty Of Medicine University Of Tokyo

• AKATSUKA Nobuharu

  First Department of Internal Medicine, Faculty of Medicine, University of Tokyo

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