左右不同脈の研究 : 第七報 局所陽壓適用時の健常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 a positive pressure on one side of the upper extremities of nomal persons. As for the pulse form, the elastic elevation on the side to which positive pressure was applied became marked in 1〜2 minutes after the beginning of the application of pressure, the incisura became shallow and raised its situation and backstroke elevation became smaller compared with the other side. Such changes of the pulse form aided the degree with progress of time during the application, therefore, the form-difference became marked more and more. After the release of pressure, the above mentioned form-difference was reduced gradually and recoverd to the condition which existed before the application in 3〜5 minutes. As for the amplitude of the pulse curves, the amplitude on the side to which pressure was applied was reduced in all cases during the application. This reduction of amplitude on the applied side appeared in one miuuate and aided the degree more and more in 5〜8 minutes. After the release of pressure, the amplitude-difference which appeared during the application lessened gradually and recovered generally in 3〜8 minutes to the condition which existed before the application. The process of the recovery showed two different forms as follows: in the first group the reduced amplitude of the applied side increased gradually and recovered to the condition which existed before the application, in the second group, the reduced amplitude on the applied side increased and became rather greater than that of the other side after the release of pressure, and thereafter recovered to the condition which existed before the application. Observing such pulsus different because of application of positive pressure, the author believes that the increase of the resistance in the peripheral blood circulation on the applied side must be one of the reasons. Moreover, it is a very interesting fact that the ampitude on the side to which pressure was applid became greater temporarily after the release of pressure than that of the other side, and this fact coincides with the "reactive hyperaemia" theory of Lewis & Grant.

• 社団法人日本循環器学会の論文
• 1937-11-01

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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