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Autonomic regulation and cytochemical status of lymphocytes in children at the beginning of school education

Author: Poborskii A.  

Publisher: MAIK Nauka/Interperiodica

ISSN: 0362-1197

Source: Human Physiology, Vol.33, Iss.1, 2007-02, pp. : 46-52

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Abstract

Examination of children at the beginning of school education showed that their autonomic regulatory mechanisms were stressed to various degrees, correlated with the rate of energy consumption in cells, which determines their performance and the adaptability to the adverse environment of Western Siberia. Most children displayed initial moderate or high sympathetic hypertonia (35 and 10% of children examined, respectively); in contrast, 26% of first graders were vagotonic. The highly stressed state of the regulatory mechanisms manifested itself as an unfavorable hypersympathicotonic type of autonomic reactivity. This was accompanied by certain cytochemical changes, mainly, a compensatory activation of succinate dehydrogenase, the degree of which depended on the degree of its inhibition. An optimum state of the regulatory mechanisms was found in only 29% of children, and 44% of them displayed a rather stressed state of energy-producing processes, threatening to disturb adaptive processes and the autonomic equilibrium.