[Streptococcal infection and chronic glomerulonephritis in children].

Microbiological, immunological and immunohistochemical studies were carried out in 78 children with different clinicomorphological forms of chronic glomerulonephritis (GN). According to the data obtained, the role of streptococcal infection (SI) is inconclusive in certain clinicomorphological forms of chronic GN, suggesting different approaches to the treatment of these patients. The etiological role of SI is most probable in mesangioproliferative and mesangiocapillary GN, manifesting by hematuric and mixed forms of chronic GN.

[Etiology of a nephrotic form of primary chronic glomerulonephritis in children].

As many as 91 children with the nephrotic and hematuric forms of primary chronic glomerulonephritis were examined for the presence of streptococcal infection and allergic diseases. It has been shown that as compared to patients with the hematuric form of chronic glomerulonephritis, those with the nephrotic form manifest a higher occurrence of A3, a dramatic rise of serum IgE and its dependence on the activity of glomerulonephritis. The data obtained may attest to the etiological role played by allergy in the development of the nephrotic form of glomerulonephritis.