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Revision stapes surgery.

B K Bhardwaj1, S K Kacker

  • 1Department of Otorhinolaryngology, All Indian Institute of Medical Sciences, Ansari Nagar, New Delhi.

The Journal of Laryngology and Otology
|January 1, 1988
PubMed
Summary
This summary is machine-generated.

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Revision stapedectomy outcomes are poorer than primary surgery, with prosthetic dislocation being the most common failure. Careful primary surgery can help prevent revision stapedectomy failures and hearing loss.

Area of Science:

  • Otolaryngology
  • Neurosurgery
  • Audiology

Background:

  • Revision stapedectomy is performed when primary stapedectomy fails.
  • Understanding causes of failure and outcomes is crucial for improving surgical success.

Purpose of the Study:

  • To analyze causes of revision stapedectomy failure.
  • To evaluate hearing results after revision stapedectomy.
  • To identify risk factors for sensorineural deafness post-revision.

Main Methods:

  • Retrospective analysis of 120 revision stapedectomy patient records.
  • Categorization of failure causes: prosthetic dislocation, adhesions, regrowth.
  • Comparison of hearing outcomes (bone-air gap) and sensorineural loss rates.

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Main Results:

  • Prosthetic dislocation (30.8%) was the most frequent cause of failure.
  • First revision surgery achieved successful air-bone gap closure in 46.5% of cases, versus 89.5% for primary surgery.
  • Sensorineural hearing loss occurred in 11.3% of first revisions and 16.6% of second revisions, significantly higher than primary surgery (1.3%).

Conclusions:

  • Revision stapedectomy yields inferior hearing results compared to primary stapedectomy.
  • Prosthetic dislocation, fibrous adhesions, and otosclerotic regrowth are key failure causes.
  • Increased risk of sensorineural deafness and 'dead ears' necessitates careful surgical technique in primary stapedectomy.