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[Hyperacusis after tympanoplasty].

T Stange1, P A Mir-Salim, A Berghaus

  • 1Klinik für Hals-, Nasen-, Ohrenheilkunde, Kopf- und Halschirurgie, Martin-Luther-Universität Halle-Wittenberg, Magdeburger Strasse 12, 06097 Halle. thoralf.stange@medizin.uni-halle.de

HNO
|May 31, 2001
PubMed
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A case study details hyperacusis (increased sound sensitivity) developing after tympanoplasty surgery. This rare complication affected a patient with long-term hearing loss, highlighting the need for further research into its causes.

Area of Science:

  • Otolaryngology
  • Neurosurgery

Background:

  • A 62-year-old woman presented with a 60-year history of unilateral conductive hearing loss.
  • The hearing loss stemmed from an infant antrotomy, with no other neurological or otoneurological symptoms.

Observation:

  • Tympanotomy revealed an absent incus and a discontinuous ossicular chain.
  • Middle ear reconstruction was performed using a partial ossicular replacement prosthesis (PORP).

Findings:

  • Postoperative audiometry showed minimal high-frequency sensorineural hearing loss in the operated ear.
  • Several weeks after surgery, the patient developed persistent hyperacusis in the operated ear, lasting over two years.
  • Despite asymmetric hearing loss, no late-onset auditory deprivation was detected.

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Implications:

  • This case presents a rare instance of hyperacusis following tympanoplasty.
  • The underlying pathophysiological mechanisms of post-tympanoplasty hyperacusis remain unclear.
  • Further investigation is warranted to understand and manage this auditory complication.