Mucormycosis and Hearing: A Hospital-Based Study

Monalisa Jati1, Ripu Daman Arora1, Ruuzeno Koutsu2

  • 1Department of Ear, Nose, and Throat - Head and Neck Surgery, All India Institute of Medical Sciences, Raipur, Raipur, Chhattisgarh, India.

Insights

Mucormycosis, a serious fungal infection, significantly impacts hearing and middle ear function. This study highlights the need for audiological evaluations in patients with this condition.

Area of Science:

  • Otolaryngology
  • Infectious Diseases
  • Audiology

Background:

  • Mucormycosis, a severe fungal infection, gained attention during the COVID-19 pandemic.
  • Systemic effects of mucormycosis are known, but its impact on the auditory system is largely unexplored.

Purpose of the Study:

  • To investigate the auditory implications of mucormycosis.
  • To assess hearing loss and middle ear dysfunction in mucormycosis patients compared to controls.

Main Methods:

  • A case-control study involving 30 mucormycosis patients and 30 matched controls.
  • Comprehensive hearing assessments including pure-tone and immittance audiometry were performed.
  • Statistical analyses included descriptive statistics, Mann-Whitney U test, Pearson chi-square test, and logistic regression.

Main Results:

  • Mucormycosis patients showed significantly higher auditory thresholds across all frequencies (p < 0.05).
  • Nearly half of mucormycosis patients experienced mild hearing loss.
  • Abnormal tympanograms and absent acoustic reflexes were more prevalent in mucormycosis patients, indicating middle ear dysfunction.

Conclusions:

  • Mucormycosis is associated with significant auditory health impacts, including hearing loss and middle ear dysfunction.
  • Routine audiological evaluations are recommended for mucormycosis patients.
  • Further research is needed to understand the mechanisms and confirm risk factors for mucormycosis-related hearing impairment.