What is the role of surgery in the management of sudden hearing loss?

Updated: Aug 28, 2019
  • Author: Neeraj N Mathur, MBBS, MS, DNB(ENT), MNAMS, FAMS; Chief Editor: Arlen D Meyers, MD, MBA  more...
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Repair of oval and round window perilymph fistulae (PLF) has been used in cases of ISSHL associated with a positive fistula test result or a history of recent trauma or barotrauma.

  • Perilymph leaks could produce sudden hearing loss in accordance with the intracochlear membrane rupture theory. Alternatively, low perilymph pressure could produce a relative state of cochlear endolymphatic hydrops.

  • Controversy exists regarding the role of surgical repair of perilymphatic fistulae because no universal standard exists for positive identification of a fistula. The tau transferrin test on perilymph fluid has not proven to be useful in the diagnosis of this entity.

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