title: Delayed infection with Parvimonas micra following spinal instrumentation.
abstract: BACKGROUND
  Delayed-onset surgical site infections following spinal instrumentation are uncommon and often present with chronic pain and implant failure. Anaerobic organisms are rarely implicated and identified with difficulty in these infections.
  
  
  OBJECTIVE
  We report a case of vertebral osteomyelitis and epidural abscess due to Parvimonas micra, an anaerobic bacterium, six months following spinal instrumentation.
  
  
  METHODS
  Case Report.
  
  
  RESULTS
  P. micra was identified from multiple intraoperative tissue and hardware specimens. With hardware explant and antibiotic therapy, the patient had a successful outcome.
  
  
  CONCLUSIONS
  To our knowledge, this is the first report of a P. micra hardware-associated spinal infection.
authors.affiliation: Division of Infectious Diseases, Washington University School of Medicine, St. Louis, MO, USA. Electronic address: igeorge@dom.wustl.edu.
authors.forename: Ige A
authors.initials: IA
authors.lastname: George
authors.affiliation: Division of Infectious Diseases, Washington University School of Medicine, St. Louis, MO, USA.
authors.forename: Anupam
authors.initials: A
authors.lastname: Pande
authors.affiliation: Division of Infectious Diseases, Washington University School of Medicine, St. Louis, MO, USA. Electronic address: sparsaei@dom.wustl.edu.
authors.forename: Shadi
authors.initials: S
authors.lastname: Parsaei
mesh_terms: D000900:Anti-Bacterial Agents / Q000627:therapeutic use; D003646:Debridement; D015299:Discitis / Q000175:diagnosis / Q000188:drug therapy / Q000382:microbiology; D020802:Epidural Abscess / Q000175:diagnosis / Q000188:drug therapy / Q000382:microbiology; D000068536:Bacillota / Q000302:isolation & purification*; D016908:Gram-Positive Bacterial Infections / Q000175:diagnosis* / Q000188:drug therapy / Q000382:microbiology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D010019:Osteomyelitis / Q000175:diagnosis / Q000188:drug therapy / Q000382:microbiology; D016459:Prosthesis-Related Infections / Q000175:diagnosis* / Q000188:drug therapy / Q000382:microbiology*; D013530:Surgical Wound Infection / Q000175:diagnosis* / Q000188:drug therapy / Q000382:microbiology*; D016896:Treatment Outcome
chemical_list: D000900:Anti-Bacterial Agents
keywords: Anaerobic infection; Epidural abscess; Hardware-associated infection; Spinal discitis; Vertebral osteomyelitis