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Related Experiment Video

Updated: Jun 2, 2026

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Improving hearing in stapedectomy with intraoperative auditory brainstem response.

Griffith S Hsu1

  • 1DuPage Medical Group, Glen Ellyn, Illinois 60137, USA. Griffith.Hsu@dupagemd.com

Otolaryngology--Head and Neck Surgery : Official Journal of American Academy of Otolaryngology-Head and Neck Surgery
|April 16, 2011
PubMed
Summary

Intraoperative auditory brainstem response (ABR) monitoring during laser stapedotomy significantly improved hearing outcomes in 97% of patients. This technique also reduced the need for revision surgeries, enhancing immediate hearing results.

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Area of Science:

  • Otolaryngology
  • Neurosurgery
  • Audiology

Background:

  • Laser stapedotomy is a surgical procedure to treat otosclerosis.
  • Assessing hearing outcomes during surgery is crucial for patient benefit.
  • Intraoperative monitoring techniques can guide surgical adjustments.

Purpose of the Study:

  • To evaluate the effectiveness of intraoperative auditory brainstem response (ABR) in enhancing immediate hearing results for patients undergoing primary laser stapedotomy.
  • To determine if ABR monitoring can reduce the revision surgery rate.

Main Methods:

  • A case series involving 32 patients (34 ears) undergoing primary laser stapedotomy.
  • Intraoperative ABR was used before and after prosthesis insertion, with adjustments made based on results.

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  • Postoperative audiometry was performed to confirm hearing outcomes.

    • Main Results:

    • Hearing improved in 97% (33 of 34 ears) of patients.
    • Intraoperative adjustments were made in 23% of cases, leading to improved hearing.
    • The surgical revision rate was low at 3%.

    Conclusions:

    • Intraoperative ABR monitoring is effective in improving immediate hearing results after laser stapedotomy.
    • This technique can significantly decrease the need for subsequent revision surgeries.