Comparative studies of skin reactivity in health and chronic respiratory infection.
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Biomedical subjects
Publications and source records attributed to H Pilawska.
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Laboratory tests have been carried out in 517 workers of a Chemical Fibres Plant. This was aimed at the detection of the changes resulting from cumulative exposure to caprolactam, dowtherm and physical factors. There have been performed hematological investigations, uninalyses and biochemical tests: total protein level, activity of enzymes: ASPAT, ALAT, PA, ChE, thymol test. The results have been analysed as the mean values for particular divisions and workstands; then they have been compared with standards. In order to evaluate the degree of occupational exposure of particular groups of workers, an index of the liver cell damage has been calculated. It was expressed in % of the results exceeding the standards in relation to all results in a given group of workers. The highest values of the index were those in the group employed at the polymerization division. The authoresses promote the advisability of special care for this group of workers.
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Yearly measurements of external noise (Noise--Pollution--Level) in the shipyard in Stettin, indicated noise levels above 85 dBA, expressed in LqM. On the ground of documentation of periodic medical examinations of the staff, one compared the rate of occurrence of disturbances in health state, such as: hearing impairment, gastric and duodenal peptic ulcer, hypertension and psychic disturbances in two groups of employees: "A"--exposed during work to noise 85 dBA and "B"--employed at the area of LqM smaller by 20 dBA. Statistically significant differences in the rates of occurrence of disturbances in the health state were found, to the disadvantage of those exposed to noise effect. In these groups also the rate of sickness absenteeism was disadvantageous: in the last 14 years its average values for the shipyard surpassed the average rate for Stettin district and the whole country.
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