Osobennosti tserebral'nogo krovoobrashcheniya studentov-pervokursnikov severnogo regiona

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Abstract

Relevance. Intense psycho-emotional and intellectual loads during the period of higher education, combined with climatic and environmental pressure, living in the northern regions, cause enormous stress for the emerging organism and can lead to violations of the functional state of the organism as a whole and cerebral hemodynamics in particular. In this regard, early identification of students with risk factors of circulatory system dysfunction for timely assistance and correction of their lifestyle is relevant. The purpose of the study was to analyze the features of cerebral circulation of first-year students of the northern region. Materials and Methods. Within the framework of the pilot study, first-year students (n = 30; 13 girls and 17 boys, average age 18 ± 0.6 years) of Surgut State Pedagogical University living in the territory equated to the conditions of the Far North took part. Indicators of cerebral circulation of the examined patients were diagnosed using the rheographic complex «Reo-Spectrum» (LLC «Neurosoft», Ivanovo) in four standard leads: front-mastoid (FM) on the left and right, and occipito-mastoid (OM) on the left and right. The diagnosis was carried out in accordance with bioethical norms with the voluntary written consent to conduct the study. Results and Discussion. In the course of the study, it was found that rheoencephalography indicators in the majority of the examined young men reveal insufficient blood filling in all the diagnosed arterial basins of the brain. At the same time, the tone of the arteries of different calibers correspondes to the normative indicators. Cerebral blood flow in them is provided mainly by increasing the tone of arterioles. An adequate blood outflow was diagnosed against the background of normal tone of venous vessels In young men. The tone of small vessels of girls was increased in all brain leads, in the carotid artery basin there was an increase in volumetric blood filling of brain vessels against the background of increased tone of large vessels, which can be considered as a regulatory mechanism for normalizing reduced blood filling of the corresponding vascular region. The outflow of blood from arterioles and vein tone was increased only on the left. Conclusion. To identify the peculiarities of cerebral circulation of first-year students of the northern region, it is necessary further to study the hemodynamic mechanisms of regulation of vascular tone, as well as the relationship with central circulation.

About the authors

Alena A. Govorukhina

Surgut State Pedagogical University

Author for correspondence.
Email: infinitt@mail.ru
ORCID iD: 0000-0002-7466-2918
SPIN-code: 7772-3522
Surgut, Russian Federation

Viktor P. Maltsev

Surgut State Pedagogical University

Email: infinitt@mail.ru
ORCID iD: 0000-0002-2453-6585
SPIN-code: 6975-8465
Surgut, Russian Federation

Oleg A. Malkov

Surgut State Pedagogical University

Email: infinitt@mail.ru
ORCID iD: 0000-0002-0895-2079
SPIN-code: 5079-4259
Surgut, Russian Federation

Ulyana V. Nagovitsina

Surgut State Pedagogical University

Email: infinitt@mail.ru
ORCID iD: 0009-0009-1563-1810
SPIN-code: 1880-3706
Surgut, Russian Federation

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Supplementary files

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1. Fig.1. Rheoencephalography indicators in Fms indicator of boys first-year students of the Northern University. RI — rheographic index, MaxS — maximum speed of rapid filling, AverS — average slow filling speed, DicI — dicrotic index, DiaI — diastolic index, VOI — venous outflow index

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2. Fig. 2. Rheoencephalography indicators in Fms indicator of girls first-year students of the Northern University. RI — rheographic index, MaxS — maximum speed of rapid filling, AverS — average slow filling speed, DicI — dicrotic index, DiaI — diastolic index, VOI — venous outflow index

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3. Fig.3. Rheoencephalography indicators in Oms indicator in boys first-year students of the Northern University. RI — rheographic index, MaxS — maximum speed of rapid filling, AverS — average slow filling speed, DicI — dicrotic index, DiaI — diastolic index, VOI — venous outflow index

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4. Fig.4. Rheoencephalography indicators in Oms indicator of girls first-year students of the Northern University. RI — rheographic index, MaxS — maximum speed of rapid filling, AverS — average slow filling speed, DicI — dicrotic index, DiaI — diastolic index, VOI — venous outflow index

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5. Fig.5. Rheoencephalography indicators in Fmd indicator of boys first-year students of the Northern University. RI — rheographic index, MaxS — maximum speed of rapid filling, AverS — average slow filling speed, DicI — dicrotic index, DiaI — diastolic index, VOI — venous outflow index

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6. Fig.6. Rheoencephalography indicators in Fmd indicator of girls first-year students of the Northern University. RI — rheographic index, MaxS — maximum speed of rapid filling, AverS — average slow filling speed, DicI — dicrotic index, DiaI — diastolic index, VOI — venous outflow index

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7. Fig.7. Rheoencephalography indicators in Omd indicator in boys first-year students of the Northern University. RI — rheographic index, MaxS — maximum speed of rapid filling, AverS — average slow filling speed, DicI — dicrotic index, DiaI — diastolic index, VOI — venous outflow index

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8. Fig.8. Rheoencephalography indicators in Omd indicator of girls first-year students of the Northern University. RI — rheographic index, MaxS — maximum speed of rapid filling, AverS — average slow filling speed, DicI — dicrotic index, DiaI — diastolic index, VOI — venous outflow index

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Copyright (c) 2023 Govorukhina A.A., Maltsev V.P., Malkov O.A., Nagovitsina U.V.

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