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Related Experiment Videos

Doxycycline in abdominal surgery.

R A Klein, D F Busch, S E Wilson

    JAMA
    |October 31, 1977
    PubMed
    Summary
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    Doxycycline hyclate monotherapy is not recommended for serious intra-abdominal infections due to low serum levels and treatment failures. Alternative antibiotics are necessary when bacterial susceptibility is unknown.

    Area of Science:

    • Infectious Diseases
    • Pharmacology
    • Surgical Infections

    Background:

    • Intra-abdominal infections pose significant clinical challenges, often requiring prompt antibiotic intervention.
    • Urgent and emergency surgical procedures increase the risk of severe bacterial infections.
    • Evaluating antibiotic efficacy in complex surgical settings is crucial for patient outcomes.

    Observation:

    • Twenty patients with suspected intra-abdominal infections received doxycycline hyclate.
    • Four of 11 patients on doxycycline alone developed wound infections.
    • Nine patients receiving higher-dose doxycycline plus gentamicin sulfate also experienced postoperative infections.

    Findings:

    • Serum doxycycline levels were frequently below minimal inhibitory concentrations (MICs) for isolated pathogens.

    Related Experiment Videos

  • Postoperative infections occurred even with combination therapy, involving anaerobic organisms.
  • Bacteremia with doxycycline-resistant Bacteroides fragilis was observed during treatment.

    • Implications:

    • Doxycycline hyclate monotherapy is insufficient for treating serious intra-abdominal infections.
    • Empirical use of doxycycline should be avoided unless pathogen susceptibility is confirmed.
    • Gentamicin combination therapy did not fully overcome doxycycline's limitations in this cohort.