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[Pneumonia with septicemia caused by Pasteurella multocida in an immunocompetent patient]

E Pukenyte1, S Nguyen, R Le Berre

  • 1Service universitaire des maladies infectieuses et du voyageur, centre hospitalier de Tourcoing, 59208 Tourcoing, France.

Medecine Et Maladies Infectieuses
|February 17, 2007
PubMed

Insights

Severe Pasteurella multocida infections, including pneumonia and septicemia, can occur in immunocompetent individuals after dog exposure, even without skin lesions. Host genetic factors may influence disease severity.

Area of Science:

  • Infectious Diseases
  • Microbiology
  • Immunology

Background:

  • Pasteurella multocida is a bacterium commonly found in animals.
  • It can cause various infections in humans, particularly after animal contact.
  • Severe systemic infections are typically associated with immunocompromised individuals.

Observation:

  • A case of pneumonia and septicemia caused by Pasteurella multocida in an immunocompetent patient with dog exposure.
  • The patient presented with no visible skin lesions.
  • The infection was severe and systemically localized.

Findings:

  • Pasteurella multocida can cause severe respiratory and systemic infections in immunocompetent hosts.
  • Absence of bite or scratch marks does not rule out Pasteurella multocida infection following animal exposure.
  • The severity of Pasteurella multocida infections in immunocompetent individuals suggests potential host-specific factors.

Implications:

  • Clinicians should consider Pasteurella multocida in the differential diagnosis of severe infections in patients with animal exposure, irrespective of skin lesions.
  • Further research into host genetic factors is warranted to understand the variability in disease severity.
  • This case highlights the potential for zoonotic transmission of severe bacterial infections.

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