Vancomycin bone and tissue concentrations following tibial intraosseous administration – evaluated in a porcine model

Olsen Kipp, Josephine; Hanberg, Pelle; Slater, Josefine; Møller Nielsen, Line; Storgaard Jakobsen, Stig; Stilling, Maiken; Bue, Mats

Introduction. Systemic perioperative vancomycin may not provide sufficient prophylactic target-site concentrations in the prevention of prosthetic joint infections. Intraosseous vancomycin potentially provides high target-site concentrations. The objective of the present study was to evaluate the local bone and tissue concentrations following tibial intraosseous vancomycin administration in a porcine model. Methods. Eight pigs received 500 mg diluted vancomycin (50 mg/mL) through an intraosseous cannula into the proximal tibial cancellous bone. No tourniquet was applied. Microdialysis was applied for sampling of vancomycin concentrations in adjacent tibial cancellous bone, in cortical bone, in the intramedullary canal of the diaphysis, in the synovial fluid of the knee joint, and in the subcutaneous tissue. Plasma samples were obtained as a systemic reference. Samples were collected for 12 h. Results. High vancomycin concentrations were found in the tibial cancellous bone with a mean peak drug concentration of 1236 (range 28–5295) inline-formula M1inlinescrollmathml unit normal µ normal g / normal mL 36pt14ptsvg-formulamathimg066d0c18fc79e060d4d8616a4fd8aac7 jbji-6-99-2021-ie00001.svg36pt14ptjbji-6-99-2021-ie00001.png , which remained high throughout the sampling period. The mean (standard deviation) peak drug concentration in plasma was 19 (2) inline-formula M2inlinescrollmathml unit normal µ normal g / normal mL 36pt14ptsvg-formulamathimgb320d1cca7059ae092baa9995cff78ae jbji-6-99-2021-ie00002.svg36pt14ptjbji-6-99-2021-ie00002.png , which was obtained immediately after administration. Peak drug concentration, time to peak drug concentration, and area under the concentration–time curve were within the same range in the intramedullary canal, the synovial fluid of the knee, and the subcutaneous tissue. Conclusion. Tibial intraosseous administration of vancomycin provided high concentrations in tibial cancellous bone throughout a 12 h period but with an unpredictable and wide range of peak concentration. The systemic absorption was high and immediate, thus mirroring an intravenous administration. Low mean concentrations were found in all the remaining compartments.



Olsen Kipp, Josephine / Hanberg, Pelle / Slater, Josefine / et al: Vancomycin bone and tissue concentrations following tibial intraosseous administration – evaluated in a porcine model. 2021. Copernicus Publications.


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Rechteinhaber: Josephine Olsen Kipp et al.

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