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Lesch-Nyhan syndrome is a very rare X-linked recessive disorder caused by mutation in the gene encoding enzyme hypoxanthine-guanine phosphoribosyltransferase (HPRT). A complete deficiency of HPRT leads to severe purine overproduction and to uric acid renal lithiasis as a consequence. This may be effectively prevented by administration of allopurinol;(More)
Familial hypomagnesemia with hypercalciuria and nephrocalcinosis (FHHNC) is a rare autosomal recessive tubulopathy resulting from mutation in the gene encoding paracelin 1. The main symptoms of FHHNC include excessive urinary calcium and magnesium excretion, nephrocalcinosis, and chronic renal failure. We present 16-year old girl in whom symptoms of FHHNC(More)
The purpose of the study was to estimate the efficacy of vaccination against viral hepatitis type B in children with the nephrotic syndrome and to estimate the probable cause-effect relationship between the occurrence of the nephrotic syndrome and infectious diseases and vaccination in children. The retrospective study comprised 235 nephrotic children aged(More)
UNLABELLED Tubulointerstitial fibrosis and tubular atrophy play a crucial role in the pathogenesis of chronic kidney disease (CKD). They are also major determinants in chronic kidney disease development and progression in patients with primary renal diseases characterized by persistent or recurrent proteinuria. The purpose of the study was to assess urinary(More)
Reflux nephropathy is a progressive renal scarring due to chronic pyelonephritis developing in patients with vesico-ureteral reflux. TGF-beta1 is thought to be one of the most important factor that initiates reflux nephropathy and stimulates its progression. The purpose of the study was to assess serum TGF-beta1 level in children with reflux nephropathy.(More)
INTRODUCTION Vesicoureteral reflux appears in 20-50% of pediatric patients with recurrent urinary tract infections. The most common method of diagnosing this disease is voiding cystourethrography. However, contemporary pediatric radiology does not favor this method due to exposure to X-radiation. AIM The aim of this study was to assess the usefulness of(More)
INTRODUCTION Vesicoureteral reflux (VUR) occurs in 20-50% of children suffering from recurrent urinary tract infections (UTIs) and is associated with an increased risk of renal scarring and impaired renal function. Early detection of renal perfusion deterioration would allow for the implementation of more aggressive treatment and potentially prevent further(More)
WT1 mutations cause a wide spectrum of renal and extrarenal manifestations. Here we evaluated disease prevalence, phenotype spectrum, and genotype-phenotype correlations of 61 patients with WT1-related steroid-resistant nephrotic syndrome relative to 700 WT1-negative patients, all with steroid-resistant nephrotic syndrome. WT1 patients more frequently(More)
Hereditary nephrotic syndrome is caused by mutations in a number of different genes, the most common being NPHS2. The aim of the study was to identify the spectrum of NPHS2 mutations in Polish patients with the disease. A total of 141 children with steroid-resistant nephrotic syndrome (SRNS) were enrolled in the study. Mutational analysis included the(More)
OBJECTIVE Erythropoiesis-stimulating agents (ESAs) are applied as a standard therapy in children with anaemia in chronic kidney disease. The aim of this study was to describe the efficacy and details of ESA treatment in a population of dialysed children in Poland. MATERIAL AND METHODS The study had a prospective observational design and was performed in(More)