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Orthopaedic Proceedings
Vol. 95-B, Issue SUPP_34 | Pages 113 - 113
1 Dec 2013
Kwon OS Lee JH Oh SH
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Background

Antibiotic-loaded cement has been used over decades as a local antibiotic delivery for the treatment of bone and joint infections. However, there were some disadvantages such as unpredictable elution, insufficient local concentration and reduced mechanical strength. We developed hydrophilized bone cement and investigated whether it can improve consistent antibiotic release for extended periods to be effective in eradicating joint infection without any changes of mechanical strength.

Methods

The experiments consists of preparation of the hydrophilized, vancomycin-loaded bone cement, In vitro test including drug release behavior, mechanical properties by compression test, cytotoxicity, antibacterial effect and animal study. In animal study, Antibiotic cement rod was implanted in the femur of rat osteomyelitis model. Sign of infections were assessed by gross observation, Micro CT and blood analysis at indicated period.