Influence of individual psychological features on the functional state of aviation specialists in conditions of hypobaric hypoxia
- Authors: Blaginin А.A.1, Kaltygin M.V.2, Kotov O.V.1, Sinelnikov S.N.1, Dzankisov R.A.3
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Affiliations:
- S.M. Kirov Military Medical Academy of the Ministry of Defence of the Russian Federation
- State Research and Testing Institute of Military Medicine of the Ministry of Defense of the Russian Federation
- 300th Laboratory of Aviation Medicine of Aerospace Forces of the Ministry of Defence of the Russian Federation
- Issue: Vol 19, No 4 (2019)
- Pages: 55-66
- Section: Original research
- URL: https://journal-vniispk.ru/MAJ/article/view/19129
- DOI: https://doi.org/10.17816/MAJ19129
- ID: 19129
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Abstract
The study is devoted to the study of the influence of individual psychological characteristics of the personality of aviation specialists on the tolerability of moderate degrees of hypobaric hypoxia, simulated in a pressure chamber. The study included the assessment of physiological parameters (blood pressure, heart rate, arterial blood saturation, Roufier index) and psychophysiological indicators (critical frequency of light flickering fusion, complex sensorimotor response, indicators of subjective assessment of the state (SAN test)) depending on the level of neuroticism, extroversion and personal anxiety level.
As a result of the study, it was found that the functional state of the body of subjects with high levels of neuroticism in hypobaric hypoxia changes significantly than in subjects with low levels of neuroticism, which is confirmed by a more pronounced decrease in health, activity and mood by 17.5% (p < 0.01), 16.9% (p < 0.05) and 9% (p < 0.01), respectively, an increase in the time of complex sensorimotor response by 12.6% (p < 0.01), as well as more pronounced functional changes in the cardiovascular system.
It was revealed that changes in some physiological parameters in extroverts had a large negative dynamics in hypoxia, so the increase in the Roufier index in the group of introverts at 30, 60 minutes and after the rise by 97.3%, 98.6% and 15.1%, respectively, against an increase of 118.2%, 123.6% and 16.4% in the group of extroverts was revealed. In the group of extroverts, an increase in the time of complex sensorimotor response after the end of the study was found by 8.0% (p < 0.05), an increase in critical frequency of light flickering fusion compared to the indicators obtained before the rise by 5.2% (p < 0.05).
It is established that the functional status of subjects with high levels of trait anxiety had a more pronounced negative trend in terms of the effects of hypobaric hypoxia, which is confirmed by a significant higher values of the Roufier index in groups with high levels of trait anxiety, with the background study, 30th, 60th minute and after rising; extending the time complex sensorimotor response to 45 minute 6.1% (p < 0.05), and after altitude study by 9.5% (p < 0.01); by the 40th minute of stay in the hyperbaric chamber the indicators of well-being decreased by 20.3% (p < 0.01), activity by 18.8% (p < 0.05) and mood by 13.7% (p < 0.01).
Thus, it was shown that in assessing the tolerability of moderate degrees of hypoxia, it is necessary to take into account the dependence of changes in the functional state of the organism on individual psychological characteristics.
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##article.viewOnOriginalSite##About the authors
Аndrey A. Blaginin
S.M. Kirov Military Medical Academy of the Ministry of Defence of the Russian Federation
Email: vmeda_8@mil.ru
ORCID iD: 0000-0002-3820-5752
SPIN-code: 2747-0146
Doctor of Medicine, Doctor of Psychology, Professor, Honored Worker of Science of the Russian Federation, Head of the Department of Aviation and Space Medicine
Russian Federation, Saint PetersburgMaxim V. Kaltygin
State Research and Testing Institute of Military Medicine of the Ministry of Defense of the Russian Federation
Email: vmeda_8@mil.ru
ORCID iD: 0000-0001-7784-1527
SPIN-code: 3685-6992
PhD in Medical Sciences, Head of the Department of the State Research and Testing
Russian Federation, Saint PetersburgOleg V. Kotov
S.M. Kirov Military Medical Academy of the Ministry of Defence of the Russian Federation
Email: vmeda_8@mil.ru
ORCID iD: 0000-0003-4784-7586
SPIN-code: 7502-4466
PhD in Medical Sciences, Associate Professor of the Department of Aviation and Space Medicine
Russian Federation, Saint PetersburgSergey N. Sinelnikov
S.M. Kirov Military Medical Academy of the Ministry of Defence of the Russian Federation
Email: vmeda_8@mil.ru
ORCID iD: 0000-0001-5088-7146
SPIN-code: 8010-0284
PhD in Medical Sciences, Associate Professor, Senior Lecturer at the Department of Aviation and Space Medicine
Russian Federation, Saint PetersburgRuslan A. Dzankisov
300th Laboratory of Aviation Medicine of Aerospace Forces of the Ministry of Defence of the Russian Federation
Author for correspondence.
Email: akm-vma@mail.ru
ORCID iD: 0000-0001-5699-1833
SPIN-code: 9307-3820
Head of the Group of the Department of Special Research and Rehabilitation of Flight Personnel
Russian Federation, BalashikhaReferences
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