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Endoscopic Observations of Gastric Motility at the Pars Pylorica Sotaro Fukuchi 1 1Dept. of Gastroznterology, Toranomon Hospital pp.1133-1139
Published Date 1971/8/25
DOI https://doi.org/10.11477/mf.1403111621
  • Abstract
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 In his classification of the pyloric movements, Schindler seems to have over-emphasized a specific, transient phenomenon presumably connected with hypertonic condition of the pylorus. The movements as confirmed by FGS fundamentally consist of peristaltic movement of the pyloric antrum on the one hand and of contraction of the pylorus or pyloric canal on the other, both working in a concerted way with some degree of automatism kept between them. Various patterns of movements are herefore considered to be caused by different phasesin the whole picture of these co-operative movements. These phases have been divided into three stages, from I to Ⅲ. Parasympathetic stimulants accelerate them and anticholinergic agents naturally inhibit them. Along with the hypotonicity of the pylorus, its over-hyper tonicity may possibly hampersmooth peristaltic movement. Simultaneous exposures of FGS and x-ray have disclosed that a concentric contraction of the pyloric canal, roetgenologically interpreted as its emptying mechanism, was endoscopically observed in the third phase (Ⅲ) of the pyloric movements.


Copyright © 1971, 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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