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CASE REPORT
Chryseobacterium indologenes: an emerging infection in the USA
  1. Ridhwi Mukerji,
  2. Radhika Kakarala,
  3. Susan Jane Smith,
  4. Halina G Kusz
  1. Graduate Medical Education/Internal Medicine, McLaren-Flint Health Center/Michigan State University, Flint, Michigan, USA
  1. Correspondence to Dr Halina G Kusz, Halina.Kusz{at}mclaren.org

Summary

Nursing home-associated infections and antibiotic resistant pathogens constitute common and serious problems in the geriatric population. Chryseobacterium indologenes, a non-motile Gram-negative rod, though widely distributed in nature, is an uncommon human pathogen. Typically thought of as an organism of low virulence, it may cause serious infections, particularly among the immunocompromised. The majority of reported cases are nosocomial, often associated with immunosuppression or indwelling catheters. It has been reported as the causative agent in bacteraemia, peritonitis, pneumonia, empyema, pyelonephritis, cystitis, meningitis and central venous catheter-associated infections. We report a rare case of C. indologenes infection affecting a nursing home resident in the USA and we provide a review of similar cases. This report emphasises the importance of individualised treatment and promotes awareness about this organism as one of several emerging pathogens in immunocompromised adults and in the frail elderly who are often nursing home residents, in the Western Hemisphere.

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