To investigate the possible relationship of leptin to bone mineral density (BMD) in men with type 2 diabetes mellitus (T2DM), we screened 168 Belarussian men aged 45 to 65 years. Plasma total cholesterol (TC), high-density lipoprotein cholesterol, triglyceride concentrations were assessed and low-density lipoprotein cholesterol and very low-density lipoprotein cholesterol (LDL-C) were calculated.Hemoglobin A 1c , immune-reactive insulin (IRI), serum total testosterone and sex hormone-binding globulin were also evaluated. BMD was evaluated using dual-energy X-ray absorptiometry. By univariate linear regression analysis, BMD was significantly correlated with body mass index (r=0.23, p=0.002) and leptin (r=0.21, p=0.006). By multivariate regression analysis adjusting for confounding factors, log leptin was independently correlated with BMD (=0.058, p=0.001). Our study revealed that leptin is an independent determinant of BMD in patients with T2DM. Further research is necessary to confirm this association and to develop ways to correct abnormalities of bone metabolism in patients with T2DM.
Background. Despite the measures taken by the Government of Belarus, the problem of iodine deficiency among the population remains actual.
Aims. To determine iodine sufficiency in children and pregnant women living in Belarus.
Materials and methods. The study included 873 schoolchildren aged 9–12 years of both sexes, of which 650 children were in regular schools, and the remaining children in boarding schools. A separate group consisted of 700 practically healthy pregnant women (during gestation from 16 to 36 weeks). Questioning, determination of urinary iodine concentration and thyroid volume with ultrasound was carried out.
Results. Urine iodine median was 191 µg/L in the 873 children in 16 regions of Belarus. Thyroid volume corresponds to the normative values in children. According to the survey, 81% of households used iodized salt, constantly – 46%. Indicator of iodine sufficiency of 700 pregnant women (median urinary iodine concentration was 121 µg /l) is a non-optimal for this population group.
Conclusions. Currently adequate iodine supplementation in school age children has been achieved. The prevalence of thyroid gland diseases caused by iodine deficiency in children decreased significantly. In pregnant women iodine supply is still insufficient.
The problem of iodine deficiency is relevant to the Republic of Belarus. It’s confirmed by virtually commonly found geophysical iodine deficiency in soils and waters. Data on iodine deficiency initiated the development of a state strategy for the elimination of iodine deficiency in the population. This strategy determined the mandatory use of iodized salt only in the country in the food industry and catering as the main event for the elimination of iodine deficiency. The aim of this work was a comprehensive evaluation of the results of the implementation of the strategy for elimination of iodine deficiency among the population of the Republic of Belarus. Medical monitoring of the assessment of the efficacy showed the decrease in the incidence of simple non-toxic goiter in adolescents from 1215,23 per 100,000 population in 1998 to 341,25 in 2013 (3.6 times), and indices ofprimary morbidity rate in children fell by 2.9 times. Over the period from 1998 primary morbidity rate of simple nontoxic goiter decreased significantly in adults from 379.9 to 31,71 people per 100,000 of the population in 2013 respectively (almost 12 times). Data of the assessment of ioduria in Belarus indicate that 89.2% of children enrolled in the study have iodine excretion of more than 100 pg/L. Thus, in the Republic of Belarus there was achieved the level of an adequate intake of iodine with foodstuffs. This model ofprevention of iodine deficiency, as well as the traditional approach based on the adoption of the law, is a versatile and cost-effective mode.
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