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- W2000520929 abstract "Objective Meropenem is a broad-spectrum antibiotic used for severe infections. In patients with chronic end-stage renal failure, meropenem clearance is reduced and doses must be adjusted according to the creatinine clearance. The aim of this study was to assess pharmacokinetic data of meropenem in patients with acute renal failure and to determine the amount of drug removed by continuous venovenous hemofiltration, an often-used renal replacement therapy in patients with acute renal failure. Methods Nine critically ill anuric patients with acute renal failure undergoing continuous venovenous hemofiltration received 500 mg meropenem 2 or 3 times daily. Plasma and hemofiltrate concentrations were determined during 1 dosing interval at steady state. Pharmacokinetic parameters were calculated for a 2-compartment open model and dose requirements were calculated. Results The total meropenem clearance was 52.0 ± 8.4 mL/min, with a hemofiltration clearance of 22.0 ± 4.7 mL/min and a nonrenal-nonhemofiltration clearance of 29.9 ± 5.4 mL/min; 235.9 ± 88.6 mg, or 47.2% ± 17.7%, of the dose were removed through continuous venovenous hemofiltration. The terminal elimination half-life was 8.7 ± 3.5 hours and the volume of distribution at steady state was 12.4 ± 1.8 L. Peak and trough concentrations for a dosing interval of 12 hours were 38.9 ± 9.7 mg/L and 7.3 ± 1.3 mg/L, respectively. The corresponding concentrations for a dosing interval of 8 hours were 44.7 ± 10.4 mg/L and 11.9 ± 0.7 mg/L, respectively. Conclusion Pharmacokinetic data of anuric patients with acute renal failure were similar to those of patients with end-stage renal failure. Because hemofiltration contributes significantly to meropenem elimination, the recommended dose for critically ill anuric patients receiving continuous venovenous hemofiltration should be increased by 100% to avoid potential underdosing. Clinical Pharmacology & Therapeutics (1999) 65, 50–57; doi:" @default.
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- W2000520929 date "1999-01-01" @default.
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- W2000520929 title "Pharmacokinetics of meropenem in critically ill patients with acute renal failure undergoing continuous venovenous hemofiltration" @default.
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- W2000520929 doi "https://doi.org/10.1016/s0009-9236(99)70121-9" @default.
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