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Alcaligenes piechaudii from chronic ear discharge.

M M Peel1, A J Hibberd, B M King

  • 1Microbiological Diagnostic Unit, University of Melbourne, Parkville, Victoria, Australia.

Journal of Clinical Microbiology
|August 1, 1988
PubMed
Summary

A novel bacterium, Alcaligenes piechaudii, was repeatedly found in the ear discharge of a diabetic patient. This study provides the first clinical evidence suggesting this species may act as a pathogen in human infections.

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Area of Science:

  • Microbiology
  • Infectious Diseases
  • Clinical Bacteriology

Background:

  • Alcaligenes piechaudii is a recently described bacterial species.
  • The pathogenic potential of A. piechaudii in humans remains largely uncharacterized.
  • Diabetes mellitus is a known risk factor for various infections.

Observation:

  • A. piechaudii was repeatedly isolated from the ear discharge of a single patient.
  • The patient had a history of diabetes mellitus.
  • Clinical signs of infection were present.

Findings:

  • This case report details the isolation of A. piechaudii from human clinical samples.
  • The repeated isolation suggests a persistent infection.
  • Clinical evidence supports a pathogenic role for A. piechaudii in this instance.

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Implications:

  • This finding expands the spectrum of known human pathogens.
  • Further research is warranted to understand the pathogenicity of A. piechaudii.
  • Clinicians should consider A. piechaudii in the differential diagnosis of ear infections, particularly in diabetic patients.