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Related Experiment Videos

Necrotizing otitis externa: 19 cases' report.

Ines Hariga1, Ali Mardassi, Faten Belhaj Younes

  • 1ENT Department, Habib Thameur Hospital, Tunis, Tunisia.

European Archives of Oto-Rhino-Laryngology : Official Journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : Affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery
|January 9, 2010
PubMed
Summary
This summary is machine-generated.

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Necrotizing otitis externa, a severe external auditory canal infection, primarily affects diabetic patients and is often caused by Pseudomonas aeruginosa. Effective treatment combines antibiotics, local care, and sometimes surgery, yielding a high cure rate.

Area of Science:

  • Infectious Diseases
  • Otolaryngology
  • Microbiology

Background:

  • Necrotizing otitis externa (NOE) is a severe external auditory canal infection.
  • Patients with diabetes or immunodeficiency are at higher risk.
  • Pseudomonas aeruginosa is a common causative agent.

Purpose of the Study:

  • To review the diagnostic, imaging, and therapeutic aspects of necrotizing otitis externa.
  • To report treatment outcomes in a cohort of patients with NOE.

Main Methods:

  • Retrospective analysis of 19 patients treated between 1997 and 2006.
  • Diagnostic work-up included computed tomography and scintigraphy.
  • Treatment involved parenteral antibiotics, local ear care, and in one case, surgical debridement.

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Main Results:

  • 94.7% of patients had diabetes.
  • Pseudomonas aeruginosa was identified in 59% of cases.
  • An 89.4% cure rate was achieved with a low recurrence rate (3 cases).

Conclusions:

  • Necrotizing otitis externa requires a multimodal treatment approach.
  • Prompt diagnosis and management are crucial for favorable outcomes.
  • Diabetes is a significant risk factor, necessitating careful patient monitoring.