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Vertebral osteomyelitis and native valve endocarditis due to Staphylococcus simulans: a case report

Natalia Vallianou1, Angelos Evangelopoulos, Polyxeni Makri

  • 1Department of Internal Medicine, Polykliniki General Hospital, Athens, Greece. natalia.vallianou@hotmail.com

Journal of Medical Case Reports
|May 31, 2008
PubMed
Abstract

Insights

Staphylococcus simulans, an animal pathogen, can cause severe human infections like osteomyelitis and endocarditis. This case highlights the importance of species-level identification for understanding its pathogenic role.

Area of Science:

  • Medical Microbiology
  • Infectious Diseases
  • Clinical Case Reports

Background:

  • Staphylococcus simulans is an animal pathogen that can colonize human skin.
  • It may cause severe infections, mimicking those of Staphylococcus aureus.
  • This report details a rare case of vertebral osteomyelitis and native valve endocarditis caused by S. simulans.

Purpose of the Study:

  • To report a unique case of severe human infection caused by Staphylococcus simulans.
  • To emphasize the significance of accurate species-level identification of coagulase-negative staphylococci.
  • To contribute to understanding the pathogenic potential of S. simulans in humans.

Main Methods:

  • A case of a 46-year-old male butcher with symptoms of infection was investigated.
  • Blood cultures were performed, and Gram-positive cocci were identified as S. simulans.
  • The patient received a 6-month course of antibiotic treatment.

Main Results:

  • The patient presented with vertebral osteomyelitis and native valve endocarditis.
  • S. simulans was identified as the causative agent.
  • Successful treatment with antibiotics was achieved after 6 months.

Conclusions:

  • Accurate species-level identification of coagulase-negative staphylococci is crucial.
  • This case underscores the potential severity of S. simulans infections in humans.
  • Further research is needed to define the pathogenic role of S. simulans.

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