[An analysis of the situation with injection narcotic usage in the city of Voronezh during the development of the HIV infection epidemic in Russia].

The medico-demographic situation in Voronezh, characterized by a decrease in the birth rate, a rise in the mortality rate, the prevalence of pensioners (38%) in the structure of the population, is presented. The negative influence of the deterioration of socio-economic conditions on the social health of the population, especially on the situation with drug addiction, is pointed out. The extent of the misuse of narcotic and toxic substances among adolescents essentially increased.

[Immunohematologic characteristics and course of chronic neutropenia in children with severe decrease of granulocyte maturation].

The clinical course and some immunohematologic parameters of the blood and bone marrow were investigated in chronic neutropenia children with a high break of granulocyte maturation. Heterogeneity of etiopathogenetic mechanisms of the disease has been recorded in this group of children.

[Evaluation of the pool of mature circulating lymphocytes in children with acute leukemia].

In children with acute leukemia, at the initial period of the disease the absolute number of T-lymphocytes is within the normal range, when the values of the total number of leucocytes is low or normal, and it is increased in cases with high initial leucocytosis. Dissociation of T-cell marker signs in the lymphocyte population has been revealed that evidences the presence of functionally defective T-cells in the circulation. The value of the relative content of E+ T-cells over 10% in the circulation is of prognostic significance.