Sequential development of the intestinal flora in newborn infants: a quantitative differential analysis.
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Biomedical subjects
Publications and source records attributed to Y Boussougant.
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The diffusion of cefotaxime compared with that of cefazolin, cefoxitin and cefamandole in the interstitial fluid has been studied in rabbits. The different antibiotics were administered intramuscularly at a dose of 30 mg/kg by injection. Serum concentrations were determined at 30 minutes, 2, 4, 8 and 12 hours following the injection.
Seventeen septicaemia, 18 urinary tract infections, 13 acute bacterial pulmonary infections and 7 infections at various other site were treated with cefotaxime, and, in 48 cases, with cefotaxime alone. The pathogenic organisms were mainly enterobacteria: 19 E. coli, 10 Klebsiella, 8 Proteus, 2 Serratia, 1 Enterobacter, almost all of them having a MIC less than or equal to 1 mcg/ml. The route of administration used was the i.m. route in 33 cases and the i.v. route in 18 cases, both routes having been used in 4 patients. The mean dosage was 45 mg/kg/day. A cure was obtained in 49 cases were clinical and bacteriological results were interpretable (85,7% of cases). The cure rate was 80% in septicaemia, 88,2% in urinary infections and 91,6% in pulmonary infections. In 19 infections due to beta-lactamase producing strains of Gram-negative bacteria, the percentage of cure was 68,4%. The systemic and local tolerance was excellent. Cefotaxime is a very well tolerated and very effective antibiotic, even in prolonged treatment and even in monotherapy, at a mean dosage of 50 mg/kg/day.
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The authors report 18 cases of Clostridium perfringens infection and discuss the main clinical and etiological aspects apart from gynecological forms and those usually requiring intensive care. Pathological foci, digestive infection and the problem of bacteremia are discussed together with appropriate treatment.
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