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Biocidal braided sutures.

G T Rodeheaver, L D Kurtz, W T Bellamy

    Archives of Surgery (Chicago, Ill. : 1960)
    |March 1, 1983
    PubMed
    Summary
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    Antibiotic-impregnated sutures significantly reduced bacterial contamination in wound models. These biocidal sutures effectively prevented infection, even when implanted into contaminated tissue.

    Area of Science:

    • Biomaterials Science
    • Infectious Disease Research
    • Surgical Innovation

    Background:

    • Sutures can become contaminated, leading to difficult-to-treat infections.
    • Preventing bacterial seeding on sutures is crucial for surgical site infection control.

    Purpose of the Study:

    • To evaluate the efficacy of antibiotic-impregnated sutures in preventing bacterial infection.
    • To assess the impact of neomycin palmitate-impregnated sutures on common wound pathogens.

    Main Methods:

    • Braided silk and Dacron sutures were impregnated with neomycin palmitate.
    • Efficacy was tested in a mouse wound model with Staphylococcus aureus, Escherichia coli, Proteus mirabilis, and Pseudomonas aeruginosa.
    • Bacterial counts in tissue with biocidal sutures were compared to control sutures and tissue without sutures.

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    Main Results:

    • Biocidal sutures substantially decreased bacterial numbers compared to control sutures.
    • Bacterial counts were often lower with biocidal sutures than in contaminated tissue without any suture.
    • The infection-preventing effect was dose-dependent and not affected by delayed implantation.

    Conclusions:

    • Neomycin palmitate-impregnated sutures effectively eliminate the infection-potentiating effect of sutures.
    • Biocidal sutures offer a promising strategy for preventing surgical site infections.
    • Therapeutic benefit is related to antibiotic dose and not compromised by delayed implantation.