Examination of 325 Kazan workers engaged in the production of synthetic rubber revealed a high (35.6%) prevalence of thyroid pathology. Patients with thyroid disease and apparently healthy workers manufacturing synthetic rubber were found to have lower levels of T3, T4, and zinc and higher levels of thyroglobulin antibodies and chromium in the serum than in apparently healthy individuals not contacting with noxious agents. The magnitude of increases in the workers' serum concentration of chromium was related to the length of service. The changes were more pronounced in patients with thyroid disease. Correlation analysis revealed that there were direct relationships between the serum levels of T3, T4, and zinc in all groups. There was an inverse correlation between the levels of T4 and the length of service in noxious production in the workers with thyroid disease.

Adult↗

PubMedDate not supplied

[Influence of environmental factors on physical development of preschool children].

A relationship between the ambient air pollution with noxious agents and the physical development of pre-school children residing in polluted and relatively "pure" areas was examined. The harmony of the morphofunctional status was found to be significantly lower in the polluted areas than in the "pure" ones, showing an error probability of no greater than p < 0.05 to p < 0.001.

Age Factors↗

PubMedDate not supplied

[Incidence of pyelonephritis on territories with different levels of anthropogenic loading].

Relationship between atmospheric pollution with harmful substances and incidence of pyelonephritis was studied for the populations living in ecologically unfavorable and clean regions of an industrial city. Disease intensity and incidence were significantly higher in polluted regions, the probability of error being no more than p < 0.05-p < 0.001. The correlation between atmospheric nitrogen dioxide concentration and pyelonephritis incidence was the strongest for all years analyzed. Correlation coefficients tend to increase: during the analyzed period they increased from Rxy = 0.42 +/- 0.4 (p < 0.01) to Rxy = 0.64 +/- 0.15 (p < 0.01).

Adult↗

PubMedDate not supplied

[Ambient air pollution and human health in the town of Nizhnekamsk].

The paper gives hygienic characteristics of ambient air pollution and examines human health in the town of Nizhnekamsk. There are worse demographic indices. In the structure of morbidity, respiratory diseases make up the largest proportion (44.4%), injuries and poisoning rank next (16.9%), skin and skin fate occupy the third place (5.4%). There are the highest morbidity rates in the polluted areas of the town. In these areas, respiratory allergoses (preasthma and bronchial asthma) occur more frequently than in the controls.

Adult↗

PubMedDate not supplied

[Evaluation of ambient air pollution on children's morbidity with acute respiratory infections of the upper airway].

A relationship of ambient air pollution in the towns of Almetyevsk and Kazan to acute respiratory infection of the upper airways (ARIUA) in children was examined. Higher atmospheric pollution was found to cause an increase in the incidence of ARIUA. The correlation ratios for all the nosological entities studied ranged from 0.71 to 0.92, their mean errors were 0.01-0.29. There was a significant combined effect of sulfur dioxide and carbon oxide (9.9%, p < 0.01), that of sulfur dioxide and dust (8.1%, p < 0.001). The findings serve as the basis for elaboration of measures to reduce environmental pollution.

Acute Disease↗

PubMedDate not supplied

[Health status of preschool-children in areas with different man-made loads].

A questionnaire survey was made to study the opinion of residents in the area of the Yamashev-Dekabristy main road, the joint stock company Tasma-Holding, the commercial joint stock Orgsintez on their health status and on the source of ambient air pollution and the opinion of those living in Gorki-I, an ecologically pure area. The respondents were asked to answer the questions on the unfavourable impact of environmental factors on human health (respondents' painful sensations). The questions also concerned such factors as noise, odour, dust in relation to the place of residence near the main road or an industrial enterprise. The results of the questionnaire survey suggest that environmental pollution exerts an adverse effect on human health particularly in the areas where industrial enterprises and large main roads are located. The findings serve as the basis for introduction of ecological tension-reducing measures.

Adolescent↗

PubMedDate not supplied

[Impact of environmental air pollution on dental morbidity in children].

Ambient air pollution was studied for its impact on the prevalence and severity of major dental diseases and on the biological age of pre-school children in ecologically tense and relatively pure regions. The lowest prevalence and severity of caries were registered in a nursery located in a control region. The mean number of permanent teeth was also more in children of the control group. Estimation of the biological age by the dental formula revealed that there were a significantly larger number of accelerated children among those living in the control region.

Air Pollutants↗

PubMedDate not supplied

[The impact of environmental air pollution and incidence of acute respiratory viral infections].

The paper characterizes diffuse ambient air pollution (P index) in accordance with the data of Kazan stationary stations in 1996-2000. The incidence of childhood respiratory diseases is studied for the same period. A correlation between morbidity and ambient air pollution is analyzed. There is a direct significance correlation between Kazan's ambient air pollution and morbidity rates in children aged 0-14 years, which is as follows rxy +/- m = 0.626 +/- 0.104. The regression coefficient has been established, which is Ry/x = 0.183 when the atmospheric contamination is changed by one unit.

Acute Disease↗

PubMedDate not supplied

[The incidence of pyelonephritis in the population of an industrial town in relation to ambient air pollution].

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Adolescent↗