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Related Concept Videos

The Cochlea01:13

The Cochlea

The cochlea is a coiled structure in the inner ear that contains hair cells—the sensory receptors of the auditory system. Sound waves are transmitted to the cochlea by small bones attached to the eardrum called the ossicles, which vibrate the oval window that leads to the inner ear. This causes fluid in the chambers of the cochlea to move, vibrating the basilar membrane.

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Related Experiment Video

Updated: May 21, 2026

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

Step-by-Step Stapedotomy through Transcanal Exclusive Endoscopic Approach

Published on: March 5, 2022

High frequency hearing following stapes surgery.

Karin Strömbäck1, Susanne Köbler, Helge Rask-Andersen

  • 1Department of Otolaryngology, Uppsala University Hospital, Uppsala, Sweden. karin.stromback@akademiska.se

Acta Oto-Laryngologica
|June 14, 2012
PubMed
Summary
This summary is machine-generated.

Pre-existing sensorineural hearing loss (SNHL) does not increase the risk of further hearing loss after stapes surgery for otosclerosis. Patients with normal hearing were more susceptible to SNHL post-surgery.

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Last Updated: May 21, 2026

Step-by-Step Stapedotomy through Transcanal Exclusive Endoscopic Approach
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The Microscopic Transcanal Approach in Stapes Surgery Revisited
07:35

The Microscopic Transcanal Approach in Stapes Surgery Revisited

Published on: February 16, 2022

Area of Science:

  • Otolaryngology
  • Audiology
  • Neurosurgery

Background:

  • Otosclerosis is a common cause of conductive hearing loss.
  • Stapes surgery (stapedotomy) is a standard treatment for otosclerosis.
  • The impact of pre-existing sensorineural hearing loss (SNHL) on outcomes of stapes surgery is not fully understood.

Purpose of the Study:

  • To determine if pre-existing SNHL in otosclerosis patients is a risk factor for further hearing loss after stapedotomy.

Main Methods:

  • Retrospective analysis of 338 primary otosclerosis cases undergoing stapedotomy.
  • Preoperative and postoperative audiometric evaluations (air and bone conduction) were performed.
  • Patients were categorized into four groups based on preoperative hearing levels at 4, 6, and 8 kHz.

Main Results:

  • Overall hearing deterioration (>10 dB) at 4, 6, and 8 kHz occurred in 6.5% of cases.
  • Patients with normal preoperative hearing were more likely to experience SNHL post-surgery.
  • Patients with significant preoperative SNHL (Group IV) showed no increased risk of further hearing loss.

Conclusions:

  • Pre-existing SNHL is not a risk factor for additional hearing loss following stapes surgery.
  • Stapes surgery for otosclerosis appears safe concerning SNHL progression, even in patients with pre-existing impairment.