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Area of Science:

  • Otolaryngology
  • Audiology
  • Surgical Innovation

Background:

  • Chronic otitis media simplex often involves tympanic membrane perforations.
  • Tympanic membrane perforations can lead to conductive hearing loss due to air-bone gap.
  • Myringoplasty is a surgical procedure to repair tympanic membrane perforations.

Purpose of the Study:

  • To assess the effectiveness of myringoplasty in closing the air-bone gap.
  • To determine the correlation between perforation size and hearing outcomes.
  • To evaluate factors influencing postoperative air-bone gap closure.

Main Methods:

  • Prospective data from 106 patients undergoing temporalis fascia myringoplasty for chronic otitis media simplex.
  • Underlay technique myringoplasty was performed.
  • Preoperative and postoperative hearing levels were compared.

Main Results:

  • Mean postoperative air-bone gap (ABG) was 8.2 dB.
  • 78% of patients achieved a postoperative ABG of 10 dB or lower.
  • A significant linear correlation was found between preoperative perforation size and postoperative ABG.

Conclusions:

  • Myringoplasty significantly reduces air-bone gap but rarely achieves complete closure.
  • Perforation size is a key predictor of residual air-bone gap.
  • Middle-ear mucosa status and mastoid pneumatization did not impact ABG closure.