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Prosthetic mitral valve endocarditis due to Ochrobactrum anthropi: case report

M P Romero Gómez1, A M Peinado Esteban, J A Sobrino Daza

  • 1Department of Microbiology and Parasitology, La Paz University Hospital Paseo de la Castellana, 261, 28046 Madrid, Spain. maryfirm2000@msn.com

Journal of Clinical Microbiology
|July 10, 2004
PubMed

Insights

This case report details a rare instance of prosthetic valve endocarditis caused by Ochrobactrum anthropi, a bacterium rarely seen in healthy individuals. The study highlights the emerging threat of O. anthropi in clinical settings.

Area of Science:

  • Infectious Diseases
  • Cardiology
  • Microbiology

Background:

  • Infective endocarditis is a serious infection affecting heart valves, often requiring complex management.
  • Prosthetic valve endocarditis presents unique diagnostic and therapeutic challenges.
  • Ochrobactrum anthropi is increasingly recognized as an opportunistic pathogen, particularly in immunocompromised populations.

Observation:

  • A rare case of infective endocarditis involving a prosthetic mitral valve is presented.
  • The causative agent identified was Ochrobactrum anthropi, a bacterium with a typically low pathogenic profile in healthy hosts.
  • This presentation is unusual given the rarity of O. anthropi infections in immunocompetent individuals.

Findings:

  • Ochrobactrum anthropi successfully caused prosthetic mitral valve endocarditis.
  • The infection highlights the potential for O. anthropi to act as a pathogen even in the absence of significant host immune compromise.
  • This case adds to the extremely limited documented instances of O. anthropi-related endocarditis.

Implications:

  • Clinicians should consider Ochrobactrum anthropi in the differential diagnosis of prosthetic valve endocarditis, even in seemingly healthy patients.
  • Further research is warranted to understand the pathogenicity and transmission of O. anthropi.
  • This case underscores the evolving landscape of microbial threats in cardiovascular infections.

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