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A Murine Model of Group B Streptococcus Vaginal Colonization
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[Vertebral osteomyelitis due to Streptococcus agalactiae ST-17]

C Martinaud1, T Gaillard, B Graffin

  • 1Laboratoire de biologie, Hôpital d'instruction des armées Sainte-Anne, Toulon. martinaud_christophe@yahoo.fr

Annales De Biologie Clinique
|January 30, 2008
PubMed

Insights

Group B Streptococcus (GBS) vertebral osteomyelitis is rare in healthy adults. This case report details a successful treatment of GBS vertebral osteomyelitis in a 49-year-old man, highlighting GBS

Area of Science:

  • Infectious Diseases
  • Microbiology
  • Clinical Medicine

Background:

  • Streptococcus agalactiae, or Group B Streptococcus (GBS), is primarily associated with neonatal and maternal infections.
  • Invasive GBS infections are increasingly reported in non-pregnant adults, particularly those with comorbidities like diabetes or cancer.
  • Vertebral osteomyelitis caused by GBS is an uncommon manifestation of invasive disease.

Observation:

  • A case of vertebral osteomyelitis caused by Streptococcus agalactiae in a 49-year-old male patient with no apparent risk factors is presented.
  • The infecting strain was identified as serotype III, sequence type ST-17, indicating specific virulence characteristics.
  • The patient received prolonged antibiotic therapy.

Findings:

  • The study confirms the potential for Streptococcus agalactiae to cause vertebral osteomyelitis in otherwise healthy adults.
  • Virulence factor assessment identified the strain as serotype III, ST-17.
  • The patient experienced a favorable outcome following extended antibiotic treatment.

Implications:

  • This case underscores the importance of considering GBS as a causative agent for vertebral osteomyelitis, even in the absence of typical risk factors.
  • Early diagnosis and appropriate management, including prolonged antibiotic therapy, are crucial for favorable outcomes.
  • Further research may elucidate the specific mechanisms and risk factors associated with GBS vertebral osteomyelitis in the adult population.

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