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Swallowing Defects after Poliomyelitis^*

The Wenner-Gren Research Laboratory, Norrtull's Sjukhuset, Stockholm, The Radcliffe Infirmary, Oxford, and The Nuffield Institute for Medical Research, University of Oxford

This excerpt was created in the absence of an abstract.

Cineradiographic examinations have been performed upon eight patients complaining of difficulties in swallowing following bulbar poliomyelitis. The films show defective expression of the contents of the pharynx due to impairment of the normal wave of peristalsis, the difficulty being aggravated by obstruction, caused by failure of the muscles controlling the lower end of the lateral food channels and the mouth of the osoephagus to relax. In all cases the middle constrictors of the pharynx were considerably weakened.

When swallowing the patients used all the means they retained of reducing the size of the pharyngeal cavity to the smallest possible dimensions.

The bearing of these findings upon treatment and prognosis is discussed.

^* Read before the British Institute of Radiology, on October 18, 1956.

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