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THE STATE OF SKIN AND MUCOSAL MICROBIOTES IN WORKERS AS AN ADAPTATION CRITERION TO OCCUPATIONAL FACTORS (BASED ON THE OIL EXTRACTION INDUSTRY)


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Abstract

Introduction. The working conditions of workers in oil-producing industries do not exclude the negative impact of a harmful biological factor of the working environment. The combined effect of harmful and dangerous factors (noise, vibration, a complex of chemicals of varying intensity), adverse climatic and geographical conditions in the process of oil production lead to violations of the structural and functional state of the body and increase the risk of disease caused by opportunistic microorganisms. Material and methods. To study the effect of working conditions of workers engaged in oil extraction on the qualitative and quantitative composition of the microorganism, an investigation of skin microbiota and microbiocenosis of the upper respiratory tract mucosa was carried out. Using the method of skin prints from the inner surface of the forearm on a plate with blood agar allowed, along with the total number of microorganisms, to determine the presence of hemolytic forms on the surface and in deep layers of the skin of oil workers. Estimate the influence of working conditions on the microbiocenosis of the upper respiratory tract and mucosal anti-infective resistance of the mucous membrane analyzed the species composition of the microbiota of the nasal mucosa and pharynx in workers, directly and indirectly engaged in oil production. Results. Studies show in workers directly involved in oil extraction, the number of microorganisms of the skin is significantly higher than that of healthy people in average by 2.0-3.6 times on the surface and 1.7-3.7 times in the deep layers. For machinists, these differences achieve 2.5-4.0 and 1.2-4.0 times, respectively, and for engineering and technical workers, 1.4-2.3 on the skin surface and 1.2-2.5 in the deep layers. For drillers, drillers’ assistants, operators, the presence of conditionally pathogenic microorganisms of 3-5 or more components on the nasal and pharyngeal polymicrobial associations is typical, and for engineers, engineers and technicians from 2-4, less often 5 components. Conclusion. The impact of occupational factors affecting workers in the process of oil extraction, contributes to the development of microbiocenosis lesions of the skin and mucous membranes. On the surface of the skin and mucous membranes of the upper respiratory tract there are a wide variety and specific structure of the microflora, specific to each of the studied groups in the workers examined.


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