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February 1958

A Study of the Hearing Level Following Severe Poliomyelitis

Author Affiliations

Nashville, Tenn.
From the Department of Pediatrics, the Division of Audiology and Speech, and the Poliomyelitis Respiratory and Rehabilitation Center of Vanderbilt University School of Medicine and the Bill Wilkerson Hearing and Speech Center. The Respiratory and Rehabilitation Center is aided by an annual grant from the National Foundation for Infantile Paralysis, Inc.

AMA Am J Dis Child. 1958;95(2):139-145. doi:10.1001/archpedi.1958.02060050141005

Disturbance of the special senses are rarely described as being associated with poliomyelitis.1,2 This has been true in spite of demonstrable central nervous system lesions that would suggest such a possibility.

As early as 1894 Redlich3 stated that, of all the pontine structures, the lateral vestibular nucleus (Deiters') and the acoustic nucleus were the most severely damaged in bulbar poliomyelitis. Matzke and Baker,4 in a report dealing exclusively with the effects of poliomyelitis on the pons, found this part of the brain to be involved in "practically every one" of the 109 cases of bulbar poliomyelitis examined pathologically. This damage consisted primarily of a diffuse interstitial-cell infiltration and neuronal damage. In approximately one-third of the cases there were moderate to severe inflammatory changes within the vestibular nuclei, and in five of these the changes had progressed to actual tissue necrosis. Other reports also deal with damage to

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