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Related Experiment Videos

Continuous, high-frequency objective tinnitus caused by middle ear myoclonus

R F Bento1, T G Sanchez, A Miniti

  • 1Department of Otolaryngology, Clinics Hospital, University of Sao Paulo, Brazil.

Ear, Nose, & Throat Journal
|November 18, 1998
PubMed
Summary

Middle ear myoclonus can cause continuous objective tinnitus. Surgical sectioning of specific tendons resolved the tinnitus and vertigo, significantly improving patient quality of life.

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Area of Science:

  • Otolaryngology
  • Neurology
  • Auditory Medicine

Background:

  • Middle ear myoclonus is a rare condition involving abnormal muscle contractions in the tympanic cavity.
  • Continuous high-frequency objective tinnitus is an uncommon symptom that can significantly impact quality of life.

Observation:

  • A case of persistent objective tinnitus was investigated during an exploratory tympanomastoidectomy.
  • Tinnitus resolution during anesthesia suggested a neuromuscular origin, specifically middle ear myoclonus.

Findings:

  • The patient's tinnitus completely disappeared during curare administration, pointing towards myoclonus.
  • Sectioning of the stapedius and tensor tympani tendons successfully treated the middle ear myoclonus and associated symptoms.
  • The diagnosis of middle ear myoclonus was confirmed by the successful surgical intervention.

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Implications:

  • This case highlights middle ear myoclonus as a potential cause of continuous objective tinnitus.
  • Surgical intervention targeting the stapedius and tensor tympani muscles offers an effective treatment for this condition.
  • Successful management of middle ear myoclonus can lead to substantial improvements in patient quality of life, including resolution of tinnitus and vertigo.