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May 1979

Auditory Dysfunction With Facial Paralysis

Author Affiliations

From the Department of Communication and the Division of Otolaryngology, Department of Surgery, University of Utah College of Medicine, Salt Lake City (Dr McCandless), and the Division of Audiology and Speech Pathology, Department of Otorhinolaryngology and Communicative Science, Baylor College of Medicine, Houston (Ms Schumacher).

Arch Otolaryngol. 1979;105(5):271-274. doi:10.1001/archotol.1979.00790170041011

• A series of 58 patients with idiopathic facial paralysis were studied to determine if a concomitant cochlear or eighth nerve auditory dysfunction could be identified with traditional audiologic tests. Results indicated that only those patients with a facial nerve lesion, proximal to the stapedius branch, experienced reduced tolerance for loud sounds, reduction of speech discrimination at high-intensity levels, and abnormal loudness growth. Such findings suggest that changes in auditory function, accompanying facial nerve paralysis, are a mechanical effect due to absence of stapedial action. Site of lesion tests in this sample failed to demonstrate eighth nerve dysfunction and, thus, does not support a theory of polyneuropathy that involves the auditory nerve.

(Arch Otolaryngol 105:271-274, 1979)