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Vol. 27, Art. 30 (pp. 699-709) | 2026
Assessing the impact of long-term exposure to low-frequency acoustic vibrations on the biochemical status of engineering and technical staff of the russian ministry of defense's air and space forces
S.I. Alekperov, A.S. Alekseeva, A.V. Kolunov, M.A. Odinokaia, I.P. Yablokov
Federal State Budgetary Institution "State Research and Testing Institute of Military Medicine" of the Ministry of Defense of the Russian Federation
Brief summary
A significant proportion of the acoustic energy generated by combat aircraft engines is concentrated in the infrasound and low-frequency ranges. Physiological studies confirm that acoustic vibrations of these frequency ranges are capable of inducing structural and functional changes in the human body, as well as provoking the activation of stress reactions. Prolonged exposure to low-frequency acoustic vibrations is considered as a potentially unfavorable factor that can accelerate the aging process, contribute to the formation of pathological conditions and cause the development of long-term negative health consequences. Within the framework of this study, the biochemical status of the engineering and technical staff of the Aerospace Forces of the Russian Ministry of Defense, who carry out professional activities in an actual combat situation, was assessed. Objective. Study the effects of prolonged high-intensity low-frequency acoustic exposure on the biochemical parameters of the blood of engineering and technical personnel of the Aerospace Forces of the Russian Ministry of Defense. Materials and Methods. The experimental group consisted of 20 aerospace engineering specialists regularly and for long periods of time exposed to acoustic influences while servicing aircraft on runways. The control group (10 individuals) consisted of military specialists (staff officers) who had no exposure to high-intensity acoustic factors during their professional activities. Blood samples were collected in both groups at the end of their 24-hour shift, followed by biochemical analysis using an automatic analyzer. Results. The data obtained indicate the development of a complex of pathological biochemical changes in the study group of specialists exposed to prolonged occupational exposure to acoustic vibrations, reflecting the systemic nature of their impact on the body. Conclusions. The combined increase in alanine aminotransferase, creatine kinase, and lactate dehydrogenase activity suggests a systemic damaging effect of acoustic vibrations, affecting cellular structures of the liver, skeletal muscle, and likely the vascular endothelium. The main pathogenic factors are a chronic stress response with activation of the hypothalamic-pituitary-adrenal and sympathetic-adrenal systems, leading to vasoconstriction and metabolic disturbances, as well as direct oxidative damage to cell membranes. Key words low-frequency acoustic vibrations, chronic exposure, military space forces, biochemical disturbances. (The article in PDF format. For preview need Adobe Acrobat Reader)  Open article in new window
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