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Wound infections with multi-drug resistant bacteria.

H Pîrvănescu, M Bălăşoiu, M E Ciurea

    Chirurgia (Bucharest, Romania : 1990)
    |February 15, 2014
    PubMed
    Summary

    Multi-drug resistant bacteria, including methicillin-resistant Staphylococcus aureus (MRSA) and extended-spectrum beta-lactamases (ESBL) producing Gram-negative bacteria, are prevalent in wound infections. Understanding their resistance patterns is crucial for effective antibiotic strategies.

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    Area of Science:

    • Clinical Microbiology
    • Infectious Diseases
    • Antimicrobial Resistance

    Background:

    • Wound infections pose a significant public health challenge.
    • Antibiotic misuse contributes to the rise of bacterial resistance and dissemination.

    Purpose of the Study:

    • To investigate the prevalence and antibiotic resistance patterns of multi-drug resistant (MDR) bacteria isolated from wound infections.
    • To identify specific resistance profiles of methicillin-resistant Staphylococcus aureus (MRSA) and extended-spectrum beta-lactamases (ESBL) producing Gram-negative bacteria.

    Main Methods:

    • Analysis of 470 wound infection samples.
    • Selective culturing using Metistaph-2 and ESBLs-Agar media for MRSA and ESBL bacteria, respectively.
    • Antimicrobial sensitivity testing via the diffusion method.

    Main Results:

    • 27.6% of bacterial strains exhibited multi-drug resistance.
    • Staphylococcus aureus was the predominant MDR isolate.
    • MRSA and ESBL bacteria showed high resistance to aminoglycosides, quinolones, and third-generation cephalosporins, but lower resistance to fourth-generation cephalosporins.
    • No vancomycin-resistant or vancomycin-intermediate Staphylococcus aureus strains were detected.

    Conclusions:

    • Knowledge of specific antibiotic resistance profiles is essential for implementing effective antibiotic cycling strategies.
    • This approach can help mitigate the emergence and spread of increased bacterial resistance.