Ticarcillin/Clavulanate In Severe Infections In Patients With Varying Renal

  • Torrellasf A
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The therapeutic efficacy of ticarcillin/clavulanate was assessed in 71 patients with severe infections: 38 acute pyelonephritis, 16 septicaemia and 19 miscellaneous infections. The patients were classified according to their renal function in: Group A, normal (16 cases); B, mild renal impairment (RI) with creatinine clearance (Clcr) between 80 and 40 ml/min (18 cases); C, moderate RI with Clcr between 40 and 15 ml/min (12 cases); D, severe RI with (Clcr) between 15 and 5 ml/min (13 cases) and E, terminal with (Clcr) less than 5 ml/min (12 cases). A total of 105 microorganisms (48.6% resistant to ticarcillin): 31 Pseudomonas aeruginosa, 18 Escherichia coli, 21 other Enterobacteriaceae, 2 Haemophilus influenzae, 10 Bacteroides spp., 14 enterococci, 8 staphylococci and 1 streptococcus, were isolated. All except six Ps. aeruginosa were sensitive to ticarcillin/clavulanate, using 75:10 microgram discs. Bacteriological eradication was obtained in 97% of the cases on the third day and at the end of treatment, and in 82% of the cases after one month. In all the assessable cases, the clinical symptoms disappeared on the third day except in one patient who developed a resistant strain (Klebsiella oxytoca). The wide range of bacteria assessed and the clinical-bacteriological success rates demonstrated that the ticarcillin/clavulanate combination had an efficacy/safety profile that could be considered excellent. Tolerance was good and side effects were not observed. This study confirms the practical efficacy of the recommended dosages derived from our previous kinetic studies in RI.

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  • A. Torrellasf

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