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Aural pain resulting from acoustic reflex.

S W Painton¹, M B Shaw

¹Department of Speech Pathology and Audiology, Northeastern State University, Tahlequah, Oklahoma.

The Annals of Otology, Rhinology, and Laryngology

|March 1, 1988

Summary

A rare case of physical pain, not tinnitus, stemmed from a unilateral acoustic reflex. Surgical sectioning of the stapedial tendon successfully eliminated this discomfort.

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Area of Science:

Otolaryngology
Neuroscience
Audiology

Background:

Acoustic reflexes are involuntary muscle contractions in the middle ear.
These reflexes protect the inner ear from loud noises but can rarely cause symptoms.
This case explores an unusual presentation of physical discomfort linked to the stapedius muscle's function.

Observation:

A patient reported distinct physical discomfort, differentiating it from typical tinnitus.
The discomfort was specifically associated with the unilateral acoustic reflex.
Acoustic impedance audiometry was crucial in identifying the reflex as the cause.

Findings:

The discomfort, described as a dull pain, occurred during stapedius muscle contraction and relaxation.
Sectioning the stapedial tendon effectively resolved the pain.
The precise mechanism causing pain from stapedius muscle activity remains unclear.

Implications:

This case highlights a novel cause of ear-related physical discomfort.
It suggests that stapedius muscle dysfunction can manifest as pain, not just auditory symptoms.
Further research is needed to elucidate the pain mechanism and potential treatments.

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