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Massive empyema due to Lactococcus garvieae.

Steven Tessier1, Ikechukwu Emengo2, Nicole Yoder3

  • 1MS, Lewis Katz School of Medicine, Temple University/St. Lukes, Bethlehem, PA, USA.

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Lactococcus garvieae, a fish-borne zoonotic pathogen, can cause severe lung infections like bronchopneumonia and empyema in humans. This rare case highlights the potential for serious human illness from contaminated fish consumption.

Keywords:
Lactococcus garvieaecritical careempyemaseptic shock

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Area of Science:

  • Microbiology
  • Infectious Diseases
  • Public Health

Background:

  • Lactococcus garvieae is a zoonotic bacterium primarily associated with fish.
  • Human infections are rare but can manifest in various forms, including endocarditis and abscesses.

Observation:

  • An elderly female developed acute gastritis after consuming cooked fish.
  • She later presented with confusion, severe pneumonia, and pleural effusion.
  • Blood and pleural fluid cultures confirmed Lactococcus garvieae infection.

Findings:

  • The patient developed severe bronchopneumonia and empyema due to Lactococcus garvieae.
  • Despite appropriate antibiotic treatment, the patient experienced irreversible shock.

Implications:

  • This case demonstrates Lactococcus garvieae as a causative agent of human bronchopneumonia and empyema.
  • It underscores the importance of food safety in preventing zoonotic infections from fish.
  • Further research into Lactococcus garvieae pathogenesis in humans is warranted.