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  • Title: Linezolid clearance during continuous venovenous hemodiafiltration: a case report.
    Author: Kraft MD, Pasko DA, DePestel DD, Ellis JJ, Peloquin CA, Mueller BA.
    Journal: Pharmacotherapy; 2003 Aug; 23(8):1071-5. PubMed ID: 12921253.
    Abstract:
    OBJECTIVE: To determine the linezolid clearance and serum concentrations in a critically ill man receiving continuous venovenous hemodiafiltration (CVVHDF). METHODS: Intravenous linezolid 600 mg every 12 hours was administered to a critically ill, 85-year-old man with anuria who was receiving CVVHDF at a dialysate flow rate of 2000 ml/hour and a mean ultrafiltrate production rate of 775 ml/hour. Samples of blood and spent dialysate and ultrafiltrate were obtained at the time of linezolid peaks and troughs, and linezolid concentrations were determined. RESULTS: The CVVHDF yielded a mean linezolid clearance of 36.5 ml/minute and an elimination half-life of 7.5 hours. The linezolid saturation coefficient ranged from 0.77-0.81. Administration of intravenous linezolid 600 mg every 12 hours yielded suitable serum trough concentrations. CONCLUSION: Administration of intravenous linezolid 600 mg every 12 hours maintained therapeutic serum trough concentrations in this critically ill patient receiving CVVHDF.
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