Terapevt Arkh
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Multicenter Study Comparative Study
[The regional characteristics of the blood plasma lipid levels and of the indices of arterial pressure and physical development in schoolchildren of Russian nationality living in different climatic-geographic areas (based on the data from a single study in Ashgabad, Moscow, Orenburg, Tyumen and Tallinn)].
Random samples from a schoolchildren population living in different climatic and geographic regions were entered in the standard epidemiological survey. They were examined for plasma lipids vs. arterial pressure and physical development. Region-specific predictors of atherosclerosis were elucidated in Russian schoolchildren as an example. Cholesterol levels proved significantly higher in Tallinn schoolchildren (northwest territories), while the lowest ones occurred in Ashkhabad children (south territories).
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A representative sample of native Selkup population (161 males and 237 females) aged 20-69 from the Tyumen region of the Russian Federation was examined for blood lipids using standard techniques. Measurement of mean cholesterol in males and females showed it to be 181.2 +/- 9.4 mg/dl and 188.2 +/- 8.5 mg/dl, respectively, that of low-density lipoproteins, high-density lipoproteins made up 112.0 +/- 9.7 mg/dl and 50.3 +/- 3.9 mg/dl for males and 118.4 +/- 9.0 mg/dl, 51.7 +/- 3.4 mg/dl, for females, respectively. ⋯ Overall atherogenic index averaged 2.9 +/- 0.3. The findings evidence that northern Selkups (both males and females) have much lower content of blood cholesterol and low-density lipoprotein cholesterol than control populations from Novosibirsk and Moscow.
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Comparative Study
[The morphofunctional properties of the blood cells and iron metabolism in the native inhabitants of the Taimyr Autonomous Okrug].
The peripheral blood was studied in Dolgans, Nganasans and Nenetses, the native population living in Taimyr peninsula. The composition of their blood is really different from the European norm. In Aboriginals of Taimyr the activity of erythropoietin in blood plasma, the concentration of reticulocytes, the circulation in peripheral bed of diskocytes with one and many diverticula, the content of fetal hemoglobin are raised more than two times. The prevalence of iron deficiency anemia among the native population of Taimyr Autonomous Area is larger, than in Russia and in Aboriginals living in Evenkia and Yakutia.
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Comparative Study
[The effect of socioeconomic status on the prevalence of biliary tract diseases in the Evens and Evenki].
An epidemiological survey demonstrated that biliary disease detection in aborigines of the Far North is more frequent in subjects with nontraditional way of life. Chief biliary disease factors different in importance for Evens and Evenks are as follows: prior viral hepatitis, obesity, alcohol abuse. Incidence rate for different biliary diseases is not uniform in Far North native population. This may be explained by specificity of biliary functions.