Vol 13, No 1 (2017)

Original Studies
Efficacy and safety of radioiodine treatment of Graves’ disease in children and adolescents
Rumiantsev P.O., Sheremeta M.S., Kiyaev A.V., Kurmyshova L.A., Chikulaeva O.A.
Abstract

There are three methods in treatment of Graves’ disease in children and adolescents – antithyroid drugs, surgery and radioiodine therapy (RIT). However, treatment protocol of children and adolescents doesn’t exist. In the present case series study we have evaluated the effectiveness and safety of RIT in children and adolescents. We have observed totally 25 patients in age 11–17 years old (mean 14.8 years) with Graves’ disease. Ten patients were treated with RIT in Endocrinology Research Centre (Moscow) in 2016 year with activities 550–920 MBq. Follow-up period varied 6–11 months in this subgroup. The second subgroup (15 patients) was treated in radiology department in Nijniy Tagil rural hospital (Ural region) in the period 2005–2012 years. Follow-up period varied 3.5–11.5 years (mean 8.5 years). RIT was executed in all patients without any complications, direct or long-term. In two patients having endocrine ophtalmopathy in non-active phase it was no any signs of worsening in result of RIT. In 17 (68%) of 25 patients the hypothyroidism occurred through 6 months. In one case – euthyroidism. In remain 7 observations the hyperthyroidism recurred. Patient subgroups didn’t differ in mean age, gender ratio, thyroid size and autoantibodies to TSH receptor levels, but were differed in treatment 131I activities (subset from ERC – 550–920 MBq; subset from Nijniy Tagil – 168–400 MBq). However the treatment efficacy did not differ significantly (p = 0.99): 68% and 73%, accordingly. In conclusion, RIT of Graves’ disease in a safe and effective method of treatment for hyperthyroidism in children and adolescents. It’s necessary to prolong study in numerous patients cohort, longer-lasting follow-up period as well as to improve RIT efficiency.

Clinical and experimental thyroidology. 2017;13(1):6-11
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The significance of some growth factors in the pathogenesis of endocrine ophthalmopathy
Charinzev V.V., Serkin D.M., Serebryakova O.V., Charinzeva S.V.
Abstract

Aim. The purpose of this work was to study the role of transforming growth factors (TGF-β, FGF-2, VEGF-A) during endocrine ophthalmopathy (EOC).

Materials and methods. The study 119 patients with endocrine ophthalmopathy were examined, at the age of 48 [30; 56] years. There were 56 men (47%). The comparison groups were control group (Control) - 20 practically healthy persons, comparison group (Comparison group) - 20 patients with autoimmune pathology of the thyroid gland without EOC. All groups were comparable by sex and age. The object of the study was serum and tear fluid. To quantify the transforming growth factors (TGF-β, FGF-2, VEGF-A) in the blood and tear fluid, the enzyme immunoassay kit was used by Biokhimmak LLC.  The severity of the disease was exhibited according to the current classification. The statistical processing of the obtained data was carried out using the program Statistica 6.1.

Results. An increase in the concentration of all growth factors in blood serum and tear fluid was found in patients with endocrine ophthalmopathy, compared with a group of healthy individuals. It was noted that in the lacrimal fluid the increase in the concentration of the growth factors studied was associated with the severity of the disease and the activity of the process. The multidirectional dynamics of the content of the vascular endothelial growth factor was established, so the maximum value in the blood serum was determined in patients with mild severity in an inactive form, in the tear the highest rates were recorded in severe form of the active disease.

Conclusion. In patients with endocrine ophthalmopathy, the concentration of FGF-2 and TGF-β in the blood serum and tear increased to a greater extent in severe forms of the disease in the active phase. The maximum concentrations of FGF-2 and TGF-β in the serum and tear, VEGF-A in the tear are fixed in the active phase of the severe form of the endocrine ophthalmopathy. The results obtained allow us to regard FGF-2, TGF-β and VEGF-A as biological markers of gravity and endocrine ophthalmopathy activity.

Clinical and experimental thyroidology. 2017;13(1):12-19
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Evaluating of significance of thyroglobulin (Tg) level in blood as a biomarker of iodine deficiency disorders severity in Uzbekistan
Ismailov S.I., Rashitov M.M., Alimdjanov N.A., Uzbekov K.K., Vakkasov M.K., Muratov T.F., Omildjonov M.N.
Abstract

Iodine deficiency has serious adverse effects on growth and development of humans, such as mental impairment. It is known, that thyroglobulin level in blood is promising biomarker that can determine iodine deficiency disorders severity in a given region.

The Aim of study: Evaluating of significance of thyroglobulin level in blood as a biomarker of iodine deficiency disorders severity in Uzbekistan..

Materials and Methods: We evaluated thyroglobulin level in blood in schoolchildren of Uzbekistan. In this purpose we studied 366 schoolchildren in 8-12 age group, of that 163 boys and 203 girls living in Tashkent city, Fergana, Samarkand, Bukhara, Kashkadarya, Khoresm and Republic of Karakalpakistan. Such parameters as urinary iodine concentration, diffuse goiter plasma TSH, fT4 were analyzed too.

Results: Diffuse goiter prevalence was 27 % among children, the overall mean thyroglobulin concentration was 12,8 ± 10.4 ng/ml, the overall median urinary iodine concentration (UIC) was 120.27 μg/L indicating iodine sufficiency. Plasma TSH was 2.75 ± 1.69 mIU/l and plasma fТ4 14.48 ± 3,96 pmol/l.  Thyroglobulin level depended on goiter size, so that in children without goiter (grade 0) mean thyroglobulin concentration was 11,9 ± 7.9 ng/ml, in children with goiter grade 1 mean thyroglobulin concentration was 14,24 ± 13.5 ng/ml and in children with goiter grade 2 mean thyroglobulin concentration was 18,82±18,3 ng/ml. Overall mean thyroglobulin concentration of goitrous children (grade 1 and 2) was 16,4±10,5 ng/ml.

Conclusions: Though international studies in school-aged children showed that iodine-sufficient children typically had a median Tg <13 ng/ml, our investigation showed that while study group’s  UIC was 120.27 μg/L and overall mean thyroglobulin concentration was 12,8 ± 10.4 ng/ml, that is equal to median thyroglobulin concentration – 11,73 ng/ml, 39% of children in this group still have UIC below 100 μg/L.

Clinical and experimental thyroidology. 2017;13(1):20-25
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Editorial note
Recommendations for the conduct, reporting, editing and publication of scholarly work in medical journals (russian language edition)
- -.
Abstract

This is a Russian language translation of the ICMJE Recommendations for the Conduct, Reporting, Editing and Publication of Scholarly Work in Medical Journals. This translation was prepared by V. Dengin with support from Media Sphera Publishing Group (academic editor Saygitov R.T., technical editors Solovova M.N.,Shoshina M.N.). The ICMJE has not endorsed nor approved the contents of this translation. The official version of the Recommendations for the Conduct, Reporting, Editing and Publication of Scholarly Work in Medical Journals is located at www.icmje.org. Users should cite this official version when citing the document.

Clinical and experimental thyroidology. 2017;13(1):26-48
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