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Middle ear air injection after chronic ear surgery

H Silverstein1, M Gordon, S I Rosenberg

  • 1Ear Research Foundation, Sarasota, FL 34239.

Otolaryngology--Head and Neck Surgery : Official Journal of American Academy of Otolaryngology-Head and Neck Surgery
|September 1, 1993
PubMed
Summary

Middle ear air injection can immediately improve hearing and reduce ear pressure in patients with chronic ear surgery complications. This simple procedure offers benefits without complications, aiding surgical assessment.

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Area of Science:

  • Otolaryngology
  • Surgical Innovation

Background:

  • Conductive hearing loss after chronic ear surgery can be challenging to diagnose.
  • Eustachian tube dysfunction is a common complication affecting hearing post-surgery.

Purpose of the Study:

  • To evaluate the efficacy of transtympanic middle ear air injection for managing conductive hearing loss post-chronic ear surgery.
  • To assess the impact of air injection on hearing, ear pressure, and middle ear status.

Main Methods:

  • A transtympanic injection of 0.5 cc air was administered to patients with specific criteria (inability to autoinflate, negative Rinne test).
  • A retrospective comparison was made between 100 patients receiving air injection and 100 control patients.

Main Results:

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  • Immediate hearing improvement occurred in 74% of patients based on Rinne testing.
  • Audiograms showed a mean pure-tone average improvement of 16 dB in a subset of patients.
  • No complications such as middle ear infection or wound healing issues were reported.

    • Conclusions:

    • Middle ear air injection is a safe and effective procedure for improving hearing and middle ear conditions in select patients after chronic ear surgery.
    • The procedure aids in surgical assessment and offers immediate symptomatic relief.
    • Long-term hearing outcomes in patients with poor eustachian tube function who received air injection were comparable to controls.