Functional and adaptive reserves in the nervous and cardiovascular systems of children aged 7–11 years from social care institutions with a history of chronic intrauterine hypoxia
DOI:
https://doi.org/10.33910/2687-1270-2025-6-3-307-320Keywords:
chronic intrauterine hypoxia, electrocardiogram dispersion mapping, stress level monitoring system, primary school children, adaptation, functional reserves, orphansAbstract
The health status of children raised in social care institutions in the Russian Federation presents complex, interdisciplinary challenges. These stem from the combined impact of social and biomedical risk factors, often originating from conception. The purpose of this study was to identify the characteristics of functional and adaptive reserves in the nervous and cardiovascular systems of children aged 7–11 years from social care institutions, specifically those with a history of chronic intrauterine hypoxia. Functional assessment was based on electrophysiological parameters acquired using the Cardiovisor device. This technology employs dispersion mapping of a standard limb-lead ECG signal, calculating and providing three-dimensional visualization of myocardial electromagnetic activity. The Cardiovisor screening system was used to evaluate the coordinated influence of the nervous system on cardiovascular function and to derive neurophysiological stress-monitoring parameters. The study cohort consisted of primary school-aged children from social care institutions with a documented antenatal history of chronic hypoxia. Results indicate that children aged 7–11 years with a history of chronic fetal hypoxia exhibit diminished functional and adaptive reserves of the cardiovascular and central nervous systems. This is characterized by more pronounced alterations in myocardial metabolic processes concurrent with lower neurophysiological scores. Consequently, this population constitutes a high-risk group for developing maladaptation syndrome during the primary general education stage.
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