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  • Title: [Acute epididymitis and antibiotherapy. Measurement of the epididymal diffusion of pefloxacin].
    Author: Costa P, Galtier M, Laurelli JM, Nivard G, Louis JF, Favier M, Hansel S, Navratil H, Grasset D.
    Journal: J Urol (Paris); 1989; 95(1):41-4. PubMed ID: 2732484.
    Abstract:
    Acute epididymitis is a common infection in the young sexually active adult. Etiologically, the organisms most frequently found are Chlamydia trachomatis, Neisseria gonorrhea and gram negative bacilli. Pefloxacin is a novel quinolone whose antibacterial spectrum and bactericidal activity allow it to be considered for use in the treatment of orchitis and epididymitis Prior to clinical study the authors investigated the degree of epididymal diffusion of Pefloxacin. Ten subjects underwent extraction of an epididymal sample by direct access to the epididymis through a transverse scrotal incision under peridural anesthesia. Three days before surgery, Pefloxacin was administrated at the rate of 400 mg every 12 hours by the oral route. On the day of the operation, the subject receive a 400 mg infusion over one hour, 2 hours before epididymal biopsy. Blood specimens were also extracted. Pefloxacin assays were performed by HPLC following a method derived from that of Montay. The trough concentration of Pefloxacin inhibiting 90% of sensitive strains (MIC 90) is less than or equal to 2 micro-g/ml. The majority of sensitive organisms have minimum bactericidal concentrations equal to twice the MIC 90. The epididymal concentrations that the authors measured are situated at values of 8.15 to 21.80 miro-g/g tissue (mean 13.44). These data allow the use of Pefloxacin to be considered an option in the treatment of epididymitis.
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