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Pasteurella infections in a tertiary centre - from cellulitis to multiple-organ failure: Retrospective case series

Zsófia Vesza1, Matteo Boattini1, Margarida Pinto2

  • 1Internal Medicine Department, Hospital Santa Marta, Centro Hospitalar de Lisboa Central, Lisboa, Portugal.

SAGE Open Medical Case Reports
|January 11, 2018
PubMed

Insights

Pasteurellosis, often from animal exposure, presents diverse symptoms like soft tissue infections, pneumonia, and sepsis in elderly or immunocompromised patients. Mortality was higher in those without reported animal contact.

Area of Science:

  • Infectious Diseases
  • Bacteriology
  • Clinical Medicine

Background:

  • Pasteurellosis is an infection caused by *Pasteurella* bacteria, often associated with animal bites or scratches.
  • Understanding the clinical spectrum and outcomes of pasteurellosis is crucial for effective patient management, especially in vulnerable populations.

Observation:

  • This review analyzed nine cases of *Pasteurella* infections (*P. multocida* and *P. canis*) over 4.5 years at a tertiary care center.
  • The study identified a wide range of clinical presentations, including soft tissue infections (55.6%), pneumonia (22.2%), and sepsis (22.2%).
  • All identified *Pasteurella* isolates were susceptible to beta-lactam antibiotics in vitro.

Findings:

  • The majority of patients (elderly and/or immunocompromised) had a history of animal exposure (55.6%).
  • Soft tissue infections were the most common manifestation of pasteurellosis in this cohort.
  • A significant mortality rate of 33.3% was observed, notably in patients without a history of animal contact.

Implications:

  • These findings highlight the importance of considering pasteurellosis in the differential diagnosis of infections in elderly and immunocompromised individuals, even without a clear animal exposure history.
  • The susceptibility of *Pasteurella* isolates to beta-lactam antibiotics suggests these are a reliable treatment option.
  • Further research into risk factors and preventative measures for severe pasteurellosis outcomes is warranted.
Keywords:
Infectious diseasesPasteurella infectionsagedimmunosuppressionsepsiswound infectionzoonoses

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