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《Industrial Health and Occupational Diseases》 2005-06
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Study on the Relationship between Traffic Exhaust Gas Pollution and the Level of Blood Lipids of Traffic Policemen in Tangshan City

JIANG Shou-fang~*,WANG Cai-jie,LI Jun~*,BAI Yu-ping~*(~* Department of Preventive Medicine,North China Coal Medical College,Tangshan 063000 China)  
Objective To investigate the relationship between traffic exhaust gas pollution and the level of blood lipids of traffic policemen.Methods 169 traffic policemen working outdoors were selected as the exposed group and 112 traffic policemen working indoors as the control group.The contents of blood lipids were measured by chemical methods.The concentrations of carbon monoxide in the exhaled air of the traffic policemen were measured by the micro smoke analyzer and the corresponding saturation of carboxyhemoglobin(HbCO%)were read.Results The level of blood cholesterol(TC)of the exposed group was markedly higher than that of the control(means were 5.43 mmol/L and 4.90 mmol/L respectively),the difference was highly significant.The level of blood triglyceride(TG)of the exposed group was higher than that of the control(means were 2.57 mmol/L and 2.42 mmol/L respectively)and the difference was not significant.In both groups,the contents of blood lipids of traffic policemen whose HbCO% were highly increased with those of normal.In the subjects whose HbCO% was high,the level of blood cholesterol(TC)of the exposed group(5.48 mmol/L)was much higher than that of the control(4.96 mmol/L)and the difference was highly significant.Conclusions The traffic pollutant may increase the level of blood lipids of traffic policemen working outdoor.Carbon monoxide in traffic exhaust gas pollutants might be the important factor causing the changes in the level of blood lipids of traffic policemen exposed to low lever of CO over a long time.
【CateGory Index】: R131
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