Gentamicin-PMMA beads in the treatment of chronic osteomyelitis

Insights

This study treated chronic osteomyelitis using surgery, antibiotics, and gentamicin-PMMA beads. The treatment proved effective, with 39 out of 43 patients healing, demonstrating a successful approach to this bone infection.

Area of Science:

  • Orthopedic Surgery
  • Infectious Diseases
  • Biomaterials

Background:

  • Chronic osteomyelitis is a persistent bone infection requiring aggressive treatment.
  • Septic arthritis can complicate osteomyelitis, increasing treatment complexity.
  • Gentamicin-polymethylmethacrylate (PMMA) beads offer localized antibiotic delivery.

Purpose of the Study:

  • To evaluate the efficacy of radical surgery combined with systemic antibiotics and gentamicin-PMMA beads for chronic osteomyelitis.
  • To assess treatment outcomes in patients with and without associated septic arthritis.

Main Methods:

  • Retrospective analysis of 50 chronic osteomyelitis cases.
  • Treatment involved radical surgery, systemic antibiotics, and gentamicin-PMMA bead insertion.
  • Follow-up averaged 14 months for 43 cases.

Main Results:

  • 39 out of 43 (90.7%) patients achieved healing.
  • Seven cases were lost to follow-up.
  • The combination therapy demonstrated high success rates in managing chronic osteomyelitis.

Conclusions:

  • Radical surgery, systemic antibiotics, and gentamicin-PMMA beads are an effective treatment for chronic osteomyelitis.
  • This multimodal approach shows promise even in complex cases involving septic arthritis.
  • Further research could explore long-term outcomes and refine treatment protocols.

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