[Nephropathy in the course of inflammatory connective tissue diseases].

The aim of the study was to assess the frequency of renal complications and also evaluation of renal efficiency with regard to sex and age in children with inflammatory connective tissue diseases. The examination embraced 18 children out of 5657 hospitalised in 19991-1998 in Military University School of Medicine-Dpt of Pediatrics suffering from inflammatory connective tissue diseases, which constitutes 0.32%. They found the following number of isolated cases: 9 cases of juvenile chronic arthritis (JCA), 6 cases of rheumatic fever (RF), and 3 cases of systemic lupus erythematosus (SLE). There were 9 girls and 9 boys. The most frequent symptom of kidneys affection was erythrocyturia. Due to chronic course, reccurrence and the possibility of further complications, children with inflammatory connective tissue diseases, after discharging from hospital, should stay under the care of rheumatological outpatient clinic.