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. 1984 Apr;25(4):458–462. doi: 10.1128/aac.25.4.458

Disposition of phosphomycin in patients with pleural effusion.

C F Lastra, E L Mariño, M Barrueco, M S Gervós, A D Gil
PMCID: PMC185552  PMID: 6732214

Abstract

The pharmacokinetics of phosphomycin were studied in seven patients with pleural effusion of varied etiologies. All patients received a single intravenous bolus of 30 mg of antibiotic per kg. Phosphomycin levels in plasma and pleural fluid were determined simultaneously. Antibiotic levels in plasma followed a two-compartment open kinetic model. In the pleural fluid, maximum concentrations of phosphomycin, 42.63 +/- 16.03 micrograms/ml (mean +/- standard deviation), were reached at 3.69 +/- 1.08 h after administration of the antibiotic. The disappearance constant of the antibiotic from the pleural fluid was significantly smaller (0.16 +/- 0.06 h-1) than the elimination constant determined from the levels of drug in plasma (0.73 +/- 0.26 h-1). Phosphomycin persisted in antibacterial concentrations in the pleural fluid for a considerable period of time. The low accessibility of phosphomycin observed in one of the patients in the study, with a maximum concentration value of 2.16 micrograms of phosphomycin per ml of pleural fluid, could be due to the existence of pachypleuritis in that patient; this was later confirmed in clinical and histological studies done after the research described here.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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