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Unusual clinical presentation of infection due to Flavimonas oryzihabitans
A Giacometti1, O Cirioni, M Quarta
1Institute of Infectious Diseases and Public Health, University of Ancona, Azienda Ospedaliera Umberto I, Italy.
Abstract:
Six cases of Flavimonas oryzihabitans infection are presented, four of which were community-acquired pneumonia and two of which were nosocomially acquired bacteremia. All four cases of pneumonia occurred in immunosuppressed hosts, three of whom were HIV-positive individuals and one of whom was a young man affected by chronic myeloid leukemia. Flavimonas oryzihabitans is recognized with increasing frequency as a cause of opportunistic infection, but the present cases of community-acquired pneumonia due to this organism are believed to be the first four reported in the English literature. The findings emphasize that Flavimonas oryzihabitans should be included in the list of pathogens that cause community-acquired infections in the immunocompromised host.
Insights
This study reports the first four cases of community-acquired pneumonia caused by Flavimonas oryzihabitans in immunocompromised patients. The findings highlight Flavimonas oryzihabitans as a potential cause of opportunistic infections in vulnerable populations.
Area of Science:
- Medical Microbiology
- Infectious Diseases
- Immunocompromised Host Research
Background:
- Flavimonas oryzihabitans is an emerging opportunistic pathogen.
- Community-acquired infections caused by this bacterium are rarely reported.
- Immunocompromised individuals are susceptible to opportunistic infections.
Observation:
- Six cases of Flavimonas oryzihabitans infection were documented.
- Four cases presented as community-acquired pneumonia in immunocompromised hosts.
- Two cases involved nosocomially acquired bacteremia.
Findings:
- The four cases of community-acquired pneumonia are the first reported in the English literature.
- Pneumonia cases occurred in HIV-positive individuals and a patient with chronic myeloid leukemia.
- Flavimonas oryzihabitans demonstrates potential as a cause of community-acquired pneumonia.
Implications:
- Flavimonas oryzihabitans should be considered in the differential diagnosis of community-acquired infections in immunocompromised patients.
- Increased recognition of Flavimonas oryzihabitans as an opportunistic pathogen is warranted.
- Further research into the epidemiology and clinical spectrum of Flavimonas oryzihabitans infections is needed.