Background: A 72-year-old male developed a late-onset infection of an internal fixation device caused by Microbacterium oxydans. Although often considered contaminants, bacteria from the genus Microbacterium may also be pathogens.… Click to show full abstract
Background: A 72-year-old male developed a late-onset infection of an internal fixation device caused by Microbacterium oxydans. Although often considered contaminants, bacteria from the genus Microbacterium may also be pathogens. We also summarize cases from the Veteran Health Administration (VHA) from which Microbacterium isolates were recovered and review the relevant literature. Patients and Methods: Using the national VHA database, we identified patients with cultures that grew Microbacterium spp. We also review published clinical reports describing Microbacterium spp. as a cause of infections. Results: Between January 2000 and September 2020, 18 cases had Microbacterium spp. Of those, Microbacterium isolates were regarded as pathogens for seven cases; all involved prosthetic material that was consequently removed. Two patients had internal fixation devices whereas the remaining five were patients with a central venous catheter. Conclusions: For patients with prosthetic material, recovery of Microbacterium spp. from device-related clinical cultures should prompt consideration of device removal when possible.
               
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