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Native mitral valve endocarditis due to Rhizobium Radiobacter - first case report.
Nuno Carvalho Guerra1, Angelo Nobre, João Cravino
1Serviço de Cirurgia Cardiotorácica do Hospital Universitário de Santa Maria, Centro Hospitalar Lisboa Norte, Portugal.
Summary
Rhizobium Radiobacter (RR) rarely causes human infections. This report details the first known case of native mitral valve endocarditis caused by this bacterium, highlighting a new clinical manifestation.
Area of Science:
- Medical Microbiology
- Infectious Diseases
- Cardiology
Background:
- Rhizobium Radiobacter (RR) is a bacterium seldom implicated in human infections.
- Previous reports primarily link RR to sepsis or bacteremia.
- A unique instance of prosthetic aortic valve endocarditis due to RR has been documented.
Observation:
- This study presents a novel case of native mitral valve endocarditis.
- The causative agent identified was Rhizobium Radiobacter (RR).
Findings:
- This represents the first documented clinical case of native mitral valve endocarditis attributed to Rhizobium Radiobacter.
- The findings expand the spectrum of known human infections caused by RR.
Implications:
- Clinicians should consider RR in the differential diagnosis of infective endocarditis, particularly in unusual presentations.
- Further research is warranted to understand the pathogenicity of RR in humans.
- This case underscores the importance of identifying rare bacterial causes of endocarditis for appropriate treatment.
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