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  • 1
    Online Resource
    Online Resource
    The prevalence of osteopenic syndrome in students of secondary schools
    Federal Scientific Center for Hygiene F.F.Erisman ; 2020
    In:  Hygiene and sanitation Vol. 99, No. 11 ( 2020-12-22), p. 1258-1262
    Details
    In: Hygiene and sanitation, Federal Scientific Center for Hygiene F.F.Erisman, Vol. 99, No. 11 ( 2020-12-22), p. 1258-1262
    Abstract: Introduction. Osteopenic syndrome occupies one of the leading places among school-related pathology. Ultrasonic osteodensitometry is a non-invasive, low-cost method of early diagnosis of osteopenic conditions without specialized requirements. Material and methods. To identify the prevalence of osteopenic syndrome in schoolchildren, bone mineral density (BMD) was evaluated by ultrasound osteodensitometry. The study involved 84 boys and 85 girls aged from 7 to 17 years. Students were divided into six observation groups by gender and age. A survey of parents was carried out, and the social and economic characteristics of children’s lives were clarified. Given the presence or absence of signs of osteopenic syndrome according to the osteodensitometric study, a comparative assessment of the structure of concomitant pathology was carried out. Results. The prevalence of osteopenic syndrome among secondary schools students ranged from 28 to 65, depending on the students’ age and gender. In the junior schoolchildren, the proportion of boys with osteopenia was 2 times less than the proportion of girls (31.8 and 60%, p = 0.01). In the middle-grade students the frequency of osteopenia was comparable (65 and 53.3%, p = 0.2 ). Among high school students it was 2 times more common in young men (60 versus 28%, p = 0.02). In the structure of osteopenic syndrome, osteopenia of the first degree principally predominated. In children with ultrasonic signs of osteopenia, deforming dorsopathy was diagnosed 1.4 times more often (62 and 43.8%, p = 0.04), myopia - 2 times (26.2 and 13.5%, p = 0 04), functional dyspepsia - 1.6 times (42.4 against 25.8%, p = 0.02), a tendency to a more frequent prevalence of short stature (8.8 against 2.2%, p = 0, 06) and protein-energy deficiency (13.7 versus 5.6%, p = 0.07). Conclusion. The incidence of osteopenia among schoolchildren reaches 65%. The wider use of ultrasound osteodensitometry is necessary to timely determine BMD in students, given the non-specific manifestation of osteopenic syndrome.
    Type of Medium: Online Resource
    ISSN: 2412-0650 , 0016-9900
    URL: Issue
    URL: Article
    DOI: 10.47470/0016-9900-2020-99-11
    DOI: 10.47470/0016-9900-2020-99-11-1258-1262
    Language: Unknown
    Publisher: Federal Scientific Center for Hygiene F.F.Erisman
    Publication Date: 2020
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  • 2
    Online Resource
    Online Resource
    Assessing adaptation capabilities in primary school children attending schools with different educational processes
    Federal Scientific Center for Hygiene F.F.Erisman ; 2021
    In:  Hygiene and sanitation Vol. 100, No. 5 ( 2021-06-15), p. 495-500
    Details
    In: Hygiene and sanitation, Federal Scientific Center for Hygiene F.F.Erisman, Vol. 100, No. 5 ( 2021-06-15), p. 495-500
    Abstract: Introduction. Innovative teaching and learning systems involve intensification of the educational process and greater academic loads; it results in the exertion of adaptation systems in a body, especially when it comes to primary school children. Purpose of the study. Our research goal was to assess peculiarities of adaptation capabilities in primary school children who attended schools with different educational processes. Material and methods. To study peculiarities of adaptation capabilities in primary school children, we performed a clinical examination of 183 children (51.4% boys and 48.6% girls, the average age being 9.51±0.17) who attended a lyceum (group A), a school with advanced studies of physics and mathematics (Group B), and an ordinary secondary school (Group C). We also analyzed how intense educational loads were in all three educational establishments. Children’s adaptation capabilities were assessed as per functional parameters of their cardiovascular and vegetative nervous systems and catecholamines’ contents in blood. Results. The entry-level secondary schools tend to have more intense educational processes. We established that primary school children who attended a lyceum faced 1.5 times greater intellectual and sensory loads; children who attended a school with advanced studies of physics and mathematics had educational loads that were 1.3-1.4 times more monotonous than in other establishments; children who attended an ordinary school had to bear 1.8 times higher emotional loads. ⅔ primary school children had exertion of functional reserves in their cardiovascular system caused by a longer educational load duration. 36% of primary school children who attended a school with advanced studies of physics and mathematics had tension in their adaptation mechanisms caused by monotonous educational loads combined with lower noradrenalin contents in blood. Those children also ran up to 4.9 times higher risks of adaptation mechanism exertion. 48.5-56.7% of children who attended a lyceum and an ordinary school had vegetative imbalance that became apparent via activated adaptation-trophic influence promoted by the sympathetic section in the vegetative nervous systems and related to the duration of learning activities. Conclusion. Intensification of the educational process results in disorders of compensatory-adaptation mechanisms in primary school children.
    Type of Medium: Online Resource
    ISSN: 2412-0650 , 0016-9900
    URL: Issue
    URL: Article
    DOI: 10.47470/0016-9900-2021-100-5
    DOI: 10.47470/0016-9900-2021-100-5-495-500
    Language: Unknown
    Publisher: Federal Scientific Center for Hygiene F.F.Erisman
    Publication Date: 2021
    Location Call Number Limitation Availability
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    Online Resource
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