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[Otitis externa: etiology, diagnostic and therapy].

A Neher1, M Nagl, A W Scholtz

  • 1Department für Hals-, Nasen- und Ohrenheilkunde, Medizinische Universität Innsbruck, Anichstrasse 35, 6020, Innsbruck, Osterreich. andreas.neher@i-med.ac.at

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|September 25, 2008
PubMed
Summary

Otitis externa (OE), or swimmer's ear, affects 10% of people, often in warm, humid conditions. Treatment involves ear canal cleaning and topical medications for uncomplicated cases.

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Area of Science:

  • Otolaryngology
  • Infectious Diseases

Context:

  • Otitis externa (OE), commonly known as swimmer's ear, affects approximately 10% of the population.
  • It is prevalent in warm, humid climates and associated with swimming activities.
  • Demographics show a higher incidence in females around 50 years and males around 70 years, with bilateral involvement in about 10% of cases.

Purpose:

  • To provide a comprehensive overview of otitis externa, including its causes, clinical presentation, and management strategies.
  • To differentiate between uncomplicated and complicated OE, highlighting risk factors for severe forms.

Summary:

  • OE is primarily caused by bacterial infections, less commonly by fungi or viruses.
  • Symptoms range from mild pain and swelling to severe pain, meatal obstruction, and retroauricular swelling.
  • Uncomplicated OE is treated with meatal cleaning and topical antibiotics, antifungals, or antiseptics with corticoids.
  • Complicated infections, like necrotizing OE, are rare and typically seen in elderly patients with diabetes or immunosuppression.

Impact:

  • Effective management of OE relies on accurate diagnosis and appropriate treatment, preventing complications.
  • Understanding risk factors and clinical variations is crucial for optimal patient outcomes in OE cases.
  • This information aids healthcare professionals in diagnosing and treating OE effectively, improving patient care and reducing morbidity.