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Orthopaedic Proceedings
Vol. 101-B, Issue SUPP_14 | Pages 80 - 80
1 Dec 2019
Thomassen M Hanberg PE Stilling M Kjær K S⊘balle K Krag L Hjskov C Bue M
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Aim

Local treatment with gentamicin may be an important tool in the prevention and treatment of surgical site infections in high-risk procedures and patients. The aim of this study was to evaluate the pharmacokinetic profile of gentamicin in bone and surrounding tissue, released from a controlled application of a GentaColl sponge in a porcine model.

Method

In 8 female pigs, a GentaColl sponge of 10×10 cm (1.3 mg gentamicin/cm2) was placed in a cancellous bone cavity in the proximal tibia. Microdialysis was used for sampling of gentamicin concentrations over 48 hours from the cavity with the implanted GentaColl sponge, cancellous bone parallel to the cavity over and under the epiphyseal plate, cortical bone, the intramedullary canal, subcutaneous tissue, and the joint cavity of the knee. Venous blood samples were obtained as reference.