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Otomycosis in São Paulo.

L Zaror1, O Fischman, F A Suzuki

  • 1Escola Paulista de Medicina, São Paulo, Brasil.

Revista Do Instituto De Medicina Tropical De Sao Paulo
|May 1, 1991
PubMed
Summary
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This study investigated otomycosis in Brazil, finding Aspergillus niger and Candida albicans as common causes. Key factors included lack of earwax and chronic ear infections, highlighting the need for further research.

Area of Science:

  • Otolaryngology
  • Mycology
  • Infectious Diseases

Background:

  • Otomycosis, a fungal ear infection, is under-researched in Brazil.
  • Understanding its incidence and characteristics is crucial for public health.

Purpose of the Study:

  • To determine the incidence of otomycosis in Brazil.
  • To describe the clinical features and predisposing factors of otomycosis.

Main Methods:

  • A one-year prospective study of suspected otomycosis cases.
  • Identification of fungal species through laboratory isolation.
  • Clinical data collection on signs and predisposing factors.

Main Results:

  • 20 out of 22 suspected cases were confirmed otomycosis.

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  • Aspergillus niger (35%) and Candida albicans (20%) were the most frequent species; Aspergillus genus accounted for 75%.
  • Common signs included itching, hyperemia, otalgia, and hearing loss. Lack of cerumen, chronic otitis, antibiotic therapy, and eczema were significant predisposing factors.

    • Conclusions:

    • Otomycosis is prevalent in Brazil, with Aspergillus species being dominant.
    • Clinical presentation and predisposing factors provide insights for diagnosis and prevention.
    • Further epidemiological studies are warranted.