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  • Title: [Aztreonam versus tobramycin in acute pyelonephritis. A comparative study].
    Author: Gallego J, Jiménez Cruz JF, Gobernado M, Llopis B, Vidal J, Server G, Ruiz JL, David Vera C.
    Journal: Arch Esp Urol; 1989 Mar; 42(2):116-9. PubMed ID: 2660754.
    Abstract:
    We performed a comparative study between the monobactam antibiotic aztreonam and the aminoglycoside tobramycin in patients diagnosed as having acute pyelonephritis. The respective doses were 1 gr. IM daily for 7 days, and 100 mgr. IM q 12 h for the same period of time. Clinically, 100% of uncomplicated acute pyelonephritis and 87.5% of complicated infections cured with aztreonam. Tobramycin achieved an 80% cure rate for both types of infections. Microbiologically aztreonam was effective in all uncomplicated acute pyelonephritis, and in 69.56% of the complicated cases (overall microbiological cure rate = 78.7%). The therapeutic failures were ascribable to infections from S. faecalis, an organism naturally resistant to aztreonam. Thus, the microbiological cure rate was 84.2% in complicated pyelonephritis from organisms sensitive to this antimicrobial. The microbiological cure rate for tobramycin was 70% in acute uncomplicated, and 80% in complicated infections. We observed a good clinical and biological tolerance to both antimicrobials. No side effects were observed. Serum and blood biochemical analyses, and coagulation tests revealed no changes.
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