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Three cases with continuous opening of the esophageal entrance Daisuke Maki 1 1Department of Otolaryngology―Head and Neck Surgery, Tokai University pp.604-608
Published Date 2012/8/20
DOI https://doi.org/10.11477/mf.1411102249
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 The esophageal entrance is closed by the persistent contraction of the cricopharyngeal muscle at rest. On swallowing the esophageal entrance opens by the relaxation of this muscle. Cricopharyngeal dysfunction is common pathology which is sometimes seen in the patients with dysphagia. However, we rarely find the continuous relaxation of the cricopharyngeal muscle and the continuous opening of the esophageal entrance. We presented three cases with continuous opening of the esophageal entrance. Gastroesophageal reflux inducing aspiration pneumonia was suspected in each case. The mechanism of continuous relaxation of the cricopharyngeal muscle and the prevention of aspiration pneumonia were discussed.


Copyright © 2012, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1316 印刷版ISSN 0914-3491 医学書院

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