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Step-by-Step Stapedotomy through Transcanal Exclusive Endoscopic Approach
09:20

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Published on: March 5, 2022

Taste function after stapes surgery.

Ellen Guder1, Arne Böttcher, Hans Wilhelm Pau

  • 1Department of Otorhinolaryngology, Head and Neck Surgery, University of Rostock, Doberaner Strasse 137-139, Rostock, Germany.

Auris, Nasus, Larynx
|February 14, 2012
PubMed
Summary
This summary is machine-generated.

Stapes surgery often causes temporary taste loss due to chorda tympani nerve (CTN) manipulation. Most patients recover taste function within a year, highlighting the need to preserve the CTN during surgery.

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Area of Science:

  • Otolaryngology
  • Neurosurgery
  • Sensory Science

Background:

  • Chorda tympani nerve (CTN) manipulation is common during stapes surgery for ankylosis.
  • Postoperative taste dysfunction is a potential complication requiring further assessment.

Purpose of the Study:

  • To evaluate taste function changes before and after stapes surgery in patients with unilateral stapedial ankylosis.
  • To assess the impact of chorda tympani nerve manipulation on taste perception.

Main Methods:

  • 18 patients with unilateral stapedial ankylosis underwent taste and olfactory testing preoperatively and postoperatively.
  • Tests included questionnaires, chemical taste tests, electrogustometry, and Sniffin'Sticks.
  • Patients with taste deterioration were re-evaluated 8-12 months post-surgery.

Main Results:

  • A significant, transient decrease in taste function was observed on the anterior tongue ipsilateral to surgery.
  • 12 of 17 patients with CTN manipulation reported taste alterations like numbness or gustatory blindness.
  • Taste complaints resolved within a year in most affected patients; cortisone treatment showed no significant effect.

Conclusions:

  • Postoperative taste disorders are common even after minor CTN manipulation during stapes surgery.
  • These taste alterations are typically transient, with most patients recovering function within a year.
  • Preserving the CTN and informing patients about potential transient taste changes are crucial.