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  • Title: Aztreonam.
    Author: Tunkel AR, Scheld WM.
    Journal: Infect Control Hosp Epidemiol; 1990 Sep; 11(9):486-94. PubMed ID: 2230052.
    Abstract:
    Aztreonam, the first commercially available monobactam, has a wide range of activity against aerobic gram-negative bacilli. It can be administered two to three hours daily because its half-life is 1.6 to 2 hours. Excellent blood and tissue concentrations are attained. The MIC of aztreonam against most Enterobacteriaceae is less than or equal to 2 micrograms/ml and against P aeruginosa less than or equal to 16 micrograms g/ml. Aztreonam has been used in a wide array of infections of the urinary tract and respiratory tract, blood, intra-abdominal and gynecologic infections and infections of the skin, bones and joints. As empiric therapy, aztreonam is usually combined with another antimicrobial agent active against anaerobes and/or aerobic gram-positive cocci until culture results are available. One exception is empiric therapy for gram-negative urinary tract infections in which aztreonam can be used initially as monotherapy against susceptible gram-negative pathogens. In general, the efficacy of aztreonam is equal or superior to that of the aminoglycosides. Adverse reactions to aztreonam are unusual, and it as been shown to be a poor hapten, permitting its administration to patients with proven allergy to the penicillins and cephalosporins. Aztreonam is a useful addition to the available antibiotics for treatment of gram-negative infections.
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