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Aeromonas hydrophila and aspiration pneumonia: a diverse presentation

Chiranjoy Mukhopadhyay1, Anudita Bhargava, Archana Ayyagari

  • 1Sanjay Gandhi Post Graduate Institute of Medical Sciences, Lucknow 226014, India.

Yonsei Medical Journal
|January 3, 2004
PubMed

Insights

Aeromonas hydrophila rarely causes respiratory infections, but this case shows it can lead to severe pneumonia in immunocompetent individuals. Multidrug resistance in the community and carbapenem effectiveness were also highlighted.

Area of Science:

  • Infectious Diseases
  • Microbiology
  • Pulmonology

Background:

  • Aeromonas species are increasingly recognized as causes of human infections, particularly extraintestinal infections.
  • Respiratory tract infections due to Aeromonas species are considered uncommon in both immunocompromised and immunocompetent patients.

Observation:

  • A case of aspiration pneumonia is described in an immunocompetent patient diagnosed with multiple sclerosis.
  • The pneumonia was caused by a community-acquired Aeromonas hydrophila strain.

Findings:

  • The identified Aeromonas hydrophila strain exhibited multidrug resistance.
  • The pathogen was susceptible only to meropenem, a newer carbapenem.

Implications:

  • This case underscores the potential of Aeromonas hydrophila to act as a significant respiratory pathogen.
  • It highlights the emergence of multidrug resistance in community-acquired infections.
  • The study emphasizes the clinical utility of carbapenems, such as meropenem, in treating such resistant infections.

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