[Vitamin D status in children with renal diseases].

Aim: Assessment of vitamin D status in children with selected renal diseases based on serum 25OHD3 level taking into consideration type of kidney disease, vitamin D supplementation and season of the year.

Material And Methods: Retrospective analysis of 127 children aged from 0.6 to 17.

[Significance of early diagnosis of posterior urethral valves in fetus for further development - own experience].

The incidence of posterior urethral valves is estimated to be from 3:1000 to 8:1000 and this is one of the most common causes of obstruction of urinary tract in boys. About 13-17% of children with posterior urethral valves develop end stage renal failure. We present a  6-month-old boy with late diagnosis of posterior urtehral valves.

Long-term outcomes in idiopathic nephrotic syndrome: from childhood to adulthood.

Background: The aim of the study was to assess idiopathic nephrotic syndrome (INS) relapse rate, co-morbidities, and social status of adults diagnosed with INS in childhood.

Material And Methods: A written questionnaire was sent to 118 adults treated for INS in childhood. In 61 (51.

[Efficacy and safety of cyclosporine in the treatment of inflammatory bowel disease in children - a retrospective study].

Aim: the aim of this study was to report single centre experience with cyclosporine used in treatment of children with inflammatory bowel disease with regard to safety and efficacy.

Methods: retrospective analysis included 23 patients, 21 with ulcerative colitis and 2 with Crohn's disease, aged 2.75 to 18.