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Article
March 1958

Poliomyelitic Paralysis of Deglutition—Upper Esophageal Achalasia: Report of a Case of Twenty-Seven Months' Duration with Recovery

Author Affiliations

Bergen, Norway

From the Medical Department B, University of Bergen.

AMA Arch Intern Med. 1958;101(3):655-657. doi:10.1001/archinte.1958.00260150143019
Abstract

Impaired deglutition caused by motor paresis resulting from bulbar poliomyelitis is in most cases due to a lesion of the motor nevron of the cerebral nerves which cooperate in the act of swallowing (Nerves VII, IX, X, XII). This type of paralysis is seldom permanent, except in patients with widespread bulbar lesions. A permanent isolated paralysis of deglutition is a rare finding and might indicate that some other mechanism is responsible. The act of swallowing is a complex function, involving both streaked and smooth muscles and supplied by autonomous nerves as well as nerves controlled by will.1 The act of swallowing in the lower section of the pharynx consists of a series of accurately synchronized contractions occurring in rapid succession. In connection with the following referred case, the "mouth of esophagus" is of special interest. This functionally independent ring muscle which consists of the lower transverse fibers of constrictor

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