Pyogenic spondylitis

J Leitao1, S Govender, A H Parbhoo

  • 1Department of Orthopaedic Surgery, University of Natal, Durban.

Insights

Pyogenic vertebral osteomyelitis often lacks fever and commonly affects the lumbar spine. Staphylococcus aureus is a frequent cause, highlighting the need for tissue diagnosis to differentiate from tuberculosis.

Area of Science:

  • Infectious Diseases
  • Orthopedic Surgery
  • Neurosurgery
  • Radiology

Background:

  • Pyogenic vertebral osteomyelitis (PVO) is a serious spinal infection.
  • Predisposing factors include diabetes, urinary tract infections, and HIV.
  • Clinical presentation can be atypical, often without fever.

Purpose of the Study:

  • To review clinical characteristics, predisposing factors, and outcomes of PVO.
  • To emphasize the importance of microbiological diagnosis in PVO management.
  • To differentiate PVO from other spinal infections like tuberculosis.

Main Methods:

  • Retrospective review of 29 patients with PVO.
  • Analysis of patient demographics, clinical presentation, and predisposing factors.
  • Evaluation of diagnostic methods (needle biopsy vs. open decompression) and microbiological results.

Main Results:

  • Average follow-up was 3.7 years.
  • 17 patients had predisposing factors; lumbar spine involvement was common (15 patients).
  • Neurological impairment was present in 18 patients; Staphylococcus aureus was the most common pathogen (14 patients).

Conclusions:

  • PVO diagnosis requires a high index of suspicion, especially with atypical presentations.
  • Tissue diagnosis is crucial for accurate identification of the causative pathogen.
  • Prompt diagnosis and appropriate treatment are essential to prevent neurological complications.

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