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Related Experiment Videos

[Diffusion of ceftriaxone in human bone tissue].

B Soudry, J Sirot, R Lopitaux

    Pathologie-Biologie
    |September 1, 1986
    PubMed
    Summary

    Ceftriaxone effectively penetrates bone tissue after a single intravenous dose, maintaining levels above the minimum inhibitory concentration for many bacteria up to 24 hours post-administration in hip replacement patients.

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    Area of Science:

    • Pharmacokinetics
    • Bone Biology
    • Infectious Disease

    Context:

    • Ceftriaxone is a widely used antibiotic.
    • Bone infections require effective antibiotic penetration.
    • Total hip replacement surgery presents an opportunity to study bone antibiotic levels.

    Purpose:

    • To quantify ceftriaxone concentrations in spongious and cortical bone.
    • To determine the duration of effective antibiotic levels in bone tissue.
    • To assess the penetration of ceftriaxone into bone following intravenous administration.

    Summary:

    • A single 2g intravenous dose of ceftriaxone was administered to 40 patients undergoing total hip replacement.
    • Serum and bone (spongious and cortical) samples were analyzed using HPLC and microbiological methods at 2, 4, 12, and 24 hours.

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  • Ceftriaxone bone concentrations remained above the minimum inhibitory concentration (MIC) for most Enterobacteriaceae strains for up to 24 hours.

    • Impact:

    • Provides crucial data on ceftriaxone bone penetration for surgical site infection prophylaxis and treatment.
    • Informs optimal dosing strategies for ceftriaxone in orthopedic surgery.
    • Highlights the potential of ceftriaxone in managing bone infections.