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Title in English Foamy urine


Year of publication 2016
Type Article in Periodical
Magazine / Source Pediatrie pro praxi
MU Faculty or unit

Faculty of Medicine

Field Paediatry
Keywords foamy urine; proteinuria; nephropathy
Description A 9-year-old boy was referred with generalized edema (incl. periorbital, lower extremities and ascites). Abnormal laboratory values are: hypalbuminemia [21 g/1], hypercholesterolemia [8.3 mmol/1 ] and proteinuria [2860 mg/24hrs]. A diagnose of idiopathic nephrotic syndrome/minimal change nephrotic syndrome (MCNS) was established and therapy was started with corticosteroids. Remission of MCNS was achieved after 12 weeks of treatment. For four months the boy's mother noticed that his urine was foamy in toilet (dipstick urinalysis showed proteinuria 3+). Boy's urine was foamy after urinating directly into beaker at 3 and 10 minutes (proteinuria was 3560 mg/24hrs). The condition was assessed as a relaps of MCNS and corticosteroids therapy was intitiated. Three weeks later was achieved remission and foamy urine disappeared. Protein in urine makes the urine foamy as it lowers the surface tension..However, most pediatric patients incl. their parents, do not recognize foamy urine. It is more easily identified by patients/their parents that have previous experience with nephrotic syndrome.

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