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THE EXAMINATION OF THE FUNCTION OF THE ESOPHAGUS Hiroshi Sato 1 1Department of Surgery, School of Medicine, Chiba University pp.1377-1384
Published Date 1968/10/25
DOI https://doi.org/10.11477/mf.1403110700
  • Abstract
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 The latest examination methods on the functions of the esophagus are reported in this article. They deal with: electrical records of pressure changes within the esophagus, its electromyographs, the pH measurement within the esophagus, and the pharmacological X-ray examination of the same with its discharge-rate and the X-ray picture as an index.

 Records of pressure changes within the esophagus are especially relevant to the diagnosis of shortened esophagus, esophageal varices, hiatus hernia, esophageal cancer, carcinoma of the cardia, and achalasia, or the idiopathic dilatation, of the esophagus. Clinically speaking, this measurement is most valuable in the cases of achalasia and the cancer of the lower esophagus as well as that of the cardia.

 In the case of cardiac cancer pressure change shows a distinctive pattern, in that the positive wave there is discontinuous. It can be further classified into three groups: teeth-of-a-saw pattern, stairs pattern and the dome pattern.

 The characteristics of achalasia are: rise in the stationary pressure within the esophagus and the connecting area, lack of negative wave during pressure changes in the connecting area, and the disappearance or the lowering of the positive wave in the esophagus. These informations are a great help in diagnosis.

 As for the electromyograph, we are now able to conduct simultaneous recordings at three points. At the present stage, however, this is only applicable to the diagnosis of achalasia.

 The pH measurement is of great use in diagnosing esophagitis, especially reflux or peptic esophagitis as sequelae of the excision of the cardia or cardioplasty.

 The discharge rate and the X-ray picture are the means by which we can grasp the discharge function and activity of the esophagus, visually as well as quantitively. In this article some of the clinical significance of the utilization of these means are evaluated.

 We firmly believe that the examinanion methods described in this article are fast becoming the indispensable tools for diagnosing esophageal diseases.


Copyright © 1968, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1219 印刷版ISSN 0536-2180 医学書院

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