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  • Title: Clinical pharmacokinetics of furosemide in children with nephrotic syndrome.
    Author: González-Martín G, Bravo I, Ibarra N, Arancibia A.
    Journal: Int J Clin Pharmacol Ther Toxicol; 1983 Dec; 21(12):598-601. PubMed ID: 6668097.
    Abstract:
    The pharmacokinetic disposition of furosemide has been investigated in seven children with nephrotic syndrome and in eight control children. Furosemide in plasma was analyzed by spectrofluorometry. After a single intravenous dose of furosemide (1 mg/kg body wt.) the nephrotic children showed lower initial plasma concentrations because of the larger volume of distribution. The mean half-life of furosemide in nephrotic children (38.5 +/- 7.8 min) was significantly longer than in the control group (28.0 +/- 7.7 min). The two groups did not differ in the body clearance of total furosemide. The average serum clearance was 4.95 +/- 1.7 ml/min/kg body wt. in the control group and 5.10 +/- 1.4 ml/min/kg body wt. in the nephrotic children. There was a significant reduction in urine sodium and distribution volume, whereas potassium excretion remained unchanged.
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