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Related Experiment Video

Updated: Feb 6, 2026

Step-by-Step Stapedotomy through Transcanal Exclusive Endoscopic Approach
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Fully endoscopic laser stapedotomy: is it comparable with microscopic surgery?

Chia-Wei Kuo1, Hsing-Mei Wu1

  • 1a Department of Otolaryngology , Shin Kong Wu Ho Su Memorial Hospital , Taipei , Taiwan.

Acta Oto-Laryngologica
|August 17, 2018
PubMed
Summary

Endoscopic laser stapedotomy offers a feasible and safe approach for otosclerosis treatment, achieving comparable hearing outcomes to microscopic methods. Surgeons require time to master this technique for optimal operative efficiency.

Keywords:
Endoscopemicroscopic ear surgeryotosclerosisstapedotomy

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Area of Science:

  • Otolaryngology
  • Surgical Innovation
  • Audiology

Background:

  • Microscopic stapedotomy, a long-standing procedure for otosclerosis, presents certain limitations.
  • Otoendoscopy is gaining popularity as an alternative surgical approach.

Purpose of the Study:

  • To evaluate the efficacy of endoscopic laser stapedotomy in treating otosclerosis patients.
  • To compare outcomes between endoscopic and microscopic stapedotomy techniques.

Main Methods:

  • A retrospective review comparing 17 patients undergoing endoscopic laser stapedotomy (2014-2017) with 13 patients undergoing microscopic stapedotomy (2009-2012).
  • Assessment of anatomical visualization, operative time, and postoperative hearing results.
  • Analysis of the relationship between external acoustic canal width and operative duration.

Main Results:

  • Endoscopic procedures provided clear operative fields and easy anatomical identification without sacrificing bone.
  • Initial operative times for the endoscopic group were longer but decreased over subsequent years.
  • No significant differences in hearing improvement were observed between the endoscopic and microscopic groups.
  • A weak correlation was found between external auditory canal width and operative time.

Conclusions:

  • Fully endoscopic stapes surgery is a safe and viable technique yielding satisfactory hearing outcomes.
  • Mastery of the endoscopic technique requires a learning curve, impacting initial operative times.
  • Endoscopic stapes surgery presents a promising alternative for otosclerosis management.