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Necrotising otitis externa: A single centre experience.

Mehdi Hasnaoui1, Asma Ben Mabrouk2, Jihene Chelli3

  • 1Department of Otolaryngology-Head and Neck Surgery, Tahar Sfar Hospital, Mahdia, 5100, Tunisia.

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|January 28, 2021
PubMed
Summary
This summary is machine-generated.

Necrotising otitis externa (NOE) is a rare ear infection. This study found that a management protocol involving antibiotics and antifungals led to favorable outcomes in all patients, with higher erythrocyte sedimentation rates indicating fungal infections.

Keywords:
DiagnosisFungiOtitis externaPseudomonasTherapeutics

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Area of Science:

  • Otolaryngology
  • Infectious Diseases
  • Medical Mycology

Background:

  • Necrotising otitis externa (NOE) is a severe ear canal infection characterized by bone erosion.
  • NOE predominantly affects elderly diabetic patients.
  • Pseudomonas aeruginosa is the most common bacterial pathogen.

Purpose of the Study:

  • To describe the clinical features of NOE.
  • To outline the management strategies for NOE.
  • To identify characteristics of fungal NOE.

Main Methods:

  • An observational cohort study of hospitalized NOE patients.
  • Data collected from January 2006 to December 2019.
  • Included clinical presentation, microbiology, imaging, and treatment outcomes.

Main Results:

  • 40 patients were included; 90% were diabetic.
  • Common signs: ear canal edema (97.5%) and discharge (92.5%).
  • Bone erosion occurred in 81.3%; fungal infections in 26.47% with higher ESR.

Conclusions:

  • The established management protocol resulted in favorable outcomes for all patients.
  • Higher erythrocyte sedimentation rate is associated with fungal NOE.
  • Prompt diagnosis and treatment are crucial for managing NOE.