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Main arrow Archive of previous Issues arrow ╣3 2012 (25) arrow Functional status of teenagers in consideration of high latitudes
Functional status of teenagers in consideration of high latitudes Print
Tuesday, 03 July 2012

D.A. Kuznetsova1, E.N. Sizova2, O.V. Tulyakova1
1Vyatka State University of Humanities, city of Kirov
2Vyatka Social-Economic Institute, city of Kirov

Summary. It is under unfavorable climate environment that various changes in functional health readily occur in a human being, and these changes are most pronounced in puerile and adolescence population. In particular, the activity of enzymes (superoxide dismutase) and freeradicals matchingáactivity both become diminished, while the accumulation of the products of peroxide oxidation of the lipids and generation of more active isotopes of oxygen become more prominent. High latitudes prolonged polar night period also changes ontogenetic development in adolescents bringing about D vitamin deficiency, as well as diminished levels of other vitamins andá pro-vitamins in their biological tissues: ascorbic acid, alpha-tocopherol, retinol, carotinoids, and B vitamins.

Scoolchidren of Northern districts of Russia present diminished albumin:globulin ratio and 5-fold increased serum level of triglycerides (in comparison to the normal values typical for the middle latitude regions). Northern adolescence inhabitants also present hematologic stress-syndrome: reduced counts of leucocytes (segment neutrophils and lymphocytes, in particular) paralleled by increased counts of monocytes and stab neutrophils.

Adoloscents of 14 years of age from the city of Kirov (58░36′00″ of north latitude, yearly average temperature of t= +2,2ţĐ, n=482) and from the town of Ukhta (63░34′00″ of north latitude; yearly average temperature of t= ľ1,1ţĐ; n=309) were enrolled for this study. Main values of their physical ontogenesis were assessed by standard techniques. Hemoglobin concentrations were assessed by Sali method, erythrocyte sedimentation rate was estimated through the Panchenkov modified micromethod, leucocyte counts were accomplished with the use of Goriayev chamber.

Northern latitude adolescence inhabitants (town of Ukhta) being compared to middle latitude values (city of Kirov) presented the body weight increased by 4.7 kg in females and by 5.8 kg in males, also elevated concentrations of hemoglobin and accelerated erythrocyte sedimentation rate, diminished leucocyte counts, pronounced gender related differences in concentration of hemoglobin.

Keywords. Adoloscents; high latitudes regions; hemoglobin concentration; erythrocyte sedimentation rate; body weight.

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