左右不同脈の研究 : 第八報局所陽壓適用時の動脈硬化症患者左右不同脈に就きて

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概要

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The author studied the pulsus differens applying positive pressure on one side of the forearms in arteriosclerotic patients. As for the pulse form, the elastic elevation of the applied side became marked and the incisura showed a tendency to become shallower than that of the other side. The backstsoke elevation showed no appreciable veriation. Such variations of the pulse form on the applied side became marked with the progress of time during the application of pressure. After the release of pressure, these above mentioned variations recovered generally in 3〜5 minutes to the condition which existed before the application, As for the amplitude of pulse curve, the amplitude of the applied side was reduced during the application of pressure and aided the degree of its reduction with progress of time, therefore, the amplitude-difference between both sides became marked. After the release of pressure, the amplitude-difference, which had appeared because of the application of pressure, reduced gradually with progress of time showing two different courses. In the first group, the amplitude on the applied side, which has been reduced during the application, increased gradually, so that the amplitude-differens recovered to the condition which existed before the application. In the second group, the amplitude on the applied side became rather greater than that of the other side in 3〜5 minutes after the release of prassure, and then recoverad to the condition which existed before the application. Comparing the results of this experiment with that of normal persons, which was expressed in the author's previous paper, it can be said that, the pulsus differns appeared because of application of pressure in arteriosclerotic patients is slight in its degree, delayed in its appearance and remained until late compared to that in normal persons. Moreover, in several cases of arteriosclerotic patients, no appreciable pulsus differens because of application of pressure was proved. Observing the difference of reactions in pulse curve between normal persons and arteriosclerotic patients, the author believes that the difference of the elasticity of blood vessels between both groups must be one of the reasons.
社団法人日本循環器学会の論文
1937-12-01

著者

北村政吉
京都帝國大學醫學部内科學第三講座

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