TITLE:
Environmental and Occupational Risk Factors Effect to Arterial Hypertension: Correlation between Arterial Hypertension and Lead
AUTHORS:
D. Оyunbileg, I. Bolormаа, U. Tsolmon, О. Chimedsuren
KEYWORDS:
Arterial Hypertensions, Correlation, Lead
JOURNAL NAME:
Journal of Geoscience and Environment Protection,
Vol.3 No.2,
April
1,
2015
ABSTRACT: The main risk factors for
hypertension include smoking, the consumption of alcohol, poor dietary habits,
lack of exercise, and stress. Scientists have also linked exposure to lead as a
risk factor for hypertension. Chemicals are fundamental negative factors for
occupational health as they penetrate an organism through the respiratory tract
in the state of vapors, gases, dust, and others. There is high correlation
between the concentration of chemicals in the environment and time spent of
exposure to the chemicals. Some chemicals compounds penetrate through the
respiratory tract and irritate the upper respiratory track and lung lobes. They
have different influences depending on their solubility. Lead has a harmful
effect on organism when it is in higher doses than normal. It exerts an
especially harmful effect upon the nervous and circulatory systems. Sources of
environmental lead pollution are benzene, coal, paints containing lead, and
some working conditions. A population based case controlling model of an
analytic study was used. For the study data analysis SPSS 20.0 program were
applied single and combined risk factors were accounted by regressive
investigation method and results gained were expressed by odds ratio and 95%
confidence interval (95% CI) p value. The goal is to assess the correlation of
lead to arterial hypertension among miners of the Gobi region provinces. In the
sampling we employed a random collection method with collection ratio of 1:2.
One hundred miners with hypertension took part in the study. In the control
group people without hypertension were assigned and they were of the same age
and sex with the experimental group. Among the participants, those of working
age had a high prevalence of hypertension and the disease is beginning to
affect those of a younger age as well. 82% of those in the experimental group
work in hard working conditions and 86% of them work for an average of 11.3
hours in noisy and dusty conditions. The increase of blood-lead content greatly
depends on service length. Miners with arterial hypertension who worked for
many years had a high content of lead in their blood. Lead content in the air
outside of working places has a weak correlation (r = 0.3) with hypertension
among those in the experimental group and was statistically significant (p =
0.007). With an increased blood-lead content, a risk for arterial hypertension
(AH) increased two times (OR = 2.11 [95% CL; 1.52 - 2.94], p = 0.0001). But
lead content in drinking water has an inversely associated with hypertension.