Case of recurrent, reversible, sudden sensorineural hearing loss in a child.

Michael P Gorga, P. G. Stelmachowicz, Steven M Barlow, P. E. Brookhouser

Research output: Contribution to journalArticle

21 Citations (Scopus)

Abstract

This paper describes audiologic, electrophysiologic, and medical test results for a now 10-year-old girl who has had 45 episodes of reversible, sudden sensorineural hearing loss over the last 8 years. Episodes have lasted from 6 to 72 hours and often have been accompanied by a mild illness. Acoustic immittance measures have been consistent with normal middle-ear function with the exception of absent ipsilateral and contralateral acoustic reflexes. Mechanically evoked perioral reflex activity was markedly asymmetric following lower lip stimulation. The asymmetry of R1 activation between right and left side lower lip inputs raises questions about the integrity of central connections within the brain stem, including internuncial pathways coursing between trigeminal sensory relay nuclei and the facial motor nucleus. An electrocochleographic evaluation revealed cochlear microphonic but absent or markedly abnormal whole nerve action potentials. Auditory brainstem responses (ABR) have been either absent or poorly formed and significantly delayed, regardless of hearing sensitivity. Middle and late auditory evoked potentials were essentially normal. Both transient-evoked and distortion-product otoacoustic emissions were present regardless of peripheral auditory sensitivity. All medical tests have been essentially normal. Although no definitive diagnosis has been reached, beta blockers have been used with some success. Taken together, these data document a very unusual case of fluctuating hearing loss. The electrocochleographic and otoacoustic emission data suggest that the outer hair cells are functioning normally and that the loss is not cochlear in origin.(ABSTRACT TRUNCATED AT 250 WORDS)

Original languageEnglish (US)
Pages (from-to)163-172
Number of pages10
JournalJournal of the American Academy of Audiology
Volume6
Issue number2
StatePublished - Mar 1 1995

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Sudden Hearing Loss
Sensorineural Hearing Loss
Cochlea
Lip
Outer Auditory Hair Cells
Acoustic Reflex
Auditory Evoked Potentials
Brain Stem Auditory Evoked Potentials
Middle Ear
Hearing Loss
Acoustics
Hearing
Action Potentials
Brain Stem
Reflex
Facial Nucleus

ASJC Scopus subject areas

  • Speech and Hearing

Cite this

Case of recurrent, reversible, sudden sensorineural hearing loss in a child. / Gorga, Michael P; Stelmachowicz, P. G.; Barlow, Steven M; Brookhouser, P. E.

In: Journal of the American Academy of Audiology, Vol. 6, No. 2, 01.03.1995, p. 163-172.

Research output: Contribution to journalArticle

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