نتایج جستجو برای: Cefotaxime
تعداد نتایج: 2634 فیلتر نتایج به سال:
In a previous paper we reported on the determination of cefotaxime and desacetyl cefotaxime in human and rat serum after an i.v. injection of this cephalosporin (1); the concentrations of the parent compound and its metabolite in human bile were also briefly described. It has been shown that older cephalosporins with a 3~ acetoxymethyl substituent, e. g. cephalothin, are metabolised to the resp...
We determined cefotaxime and desacetyl-cefotaxime concentrations in children with bacterial meningitis receiving high-dose cefotaxime (300 mg/kg of body weight/day) and concomitant dexamethasone therapy. The median peak cerebrospinal fluid cefotaxime and desacetyl-cefotaxime concentrations were 4.7 and 8.1 microg/ml, respectively. In vitro bactericidal activity (>99.9% killing in 6 h) was found...
In Vivo Efficacy of the Combination of Ciprofloxacin and Cefotaxime against Vibrio vulnificus Sepsis
OBJECTIVES The in vivo efficacy of a cefotaxime-ciprofloxacin combination against Vibrio vulnificus and the effects on rtxA1 expression of commonly used antibiotics are unknown. METHODS In vitro time-kill studies were performed to evaluate synergism. Female BALB/c mice were injected subcutaneously with 1×10(7) or 1×10(8) cfu of V. vulnificus. Antibiotic therapy was initiated at 2 h after inoc...
The beta-lactamase stability and inhibitory activity of 1-oxa cephalosporin, (6R,7R)-7-[[carboxy(4-hydroxyphenyl)acetyl]amino]-7-methoxy-3-[[(1-methyl-1H-tetrazol-5-yl)thio]methyl]-8-oxo-5-oxa-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid, was investigated and compared to that of cefoxitin and cefotaxime. There was no detectable beta-lactamase hydrolysis of 1-oxa cephalosporin, cefotaxime and ...
The pharmacology of cefotaxime and the metabolite desacetyl cefotaxime was studied in 40 patients with various degrees of renal and hepatic failure who received 0.5 or 1 g of cefotaxime intravenously. Patients with severe renal impairment (creatinine clearance, 3 to 10 ml/min) had a cefotaxime serum half-life of 2.6 h and desacetyl cefotaxime serum half-life of 10.0 h. The equivalent figures we...
A new, simple and sensitive spectrophotometric method for the determination of valacyclovir and cefotaxime has been developed. The method is based on the condensation of valacyclovir and cefotaxime with 1, 2napthaquinone-4sulfonic acid sodium (NQS) in alkaline media to yield orange colored products respectively. Valacyclovir and cefotaxime showed maximum absorbance at 495nm and 475nm with linea...
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