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Pseudomonas mendocina, an environmental bacterium isolated from a patient with human infective endocarditis
M R Aragone1, D M Maurizi, L O Clara
1Bacteriology Section, Hospital Italiano, Capital Federal, Argentina.
Journal of Clinical Microbiology
|June 1, 1992
Abstract:
Pseudomonas mendocina has been isolated from soil and water samples. Although it has been recovered from some human clinical samples, its pathogenic role has not yet been documented. We report the first known case of endocarditis in humans due to P. mendocina.
Insights
Pseudomonas mendocina, typically found in soil and water, has been identified as a cause of endocarditis in a human patient. This case highlights a previously undocumented pathogenic role for this bacterium.
Area of Science:
- Microbiology
- Infectious Diseases
- Clinical Medicine
Background:
- Pseudomonas mendocina is a bacterium commonly found in environmental sources like soil and water.
- While previously detected in some human clinical samples, its capacity to cause human disease remained largely uncharacterized.
Observation:
- A patient presented with symptoms indicative of endocarditis, an infection of the heart's inner lining.
- Diagnostic investigations led to the isolation of Pseudomonas mendocina from clinical samples associated with the patient's condition.
Findings:
- This report details the first documented instance of Pseudomonas mendocina causing infective endocarditis in a human.
- The findings establish a novel pathogenic association for P. mendocina in clinical settings.
Implications:
- The study expands the spectrum of known human pathogens within the Pseudomonas genus.
- Clinicians should consider Pseudomonas mendocina in the differential diagnosis of endocarditis, particularly in patients with relevant exposure history.
- Further research is warranted to understand the mechanisms of pathogenesis and epidemiology of P. mendocina infections.