环境毒理学文献介绍--官蕾.ppt

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,transportation noise and blood pressure,*,1,transportation noise and blood pressure,Transportation Noise and Blood Pressure,in a Population-Based Sample of Adults,2012 EHP,contents,background,objectives,methods,results,conclusion,2,transportation noise and blood pressure,BACKGROUND,There is some evidence for an association between traffic noise and,ischemic heart disease,;however,associations with blood,pressure have been inconsistent,and little is known about health effects of railway noise.,缺血性的,3,transportation noise and blood pressure,身体质量指数,标准差,误差值,高血压,6,transportation noise and blood pressure,斯皮尔曼相关系数,7,transportation noise and blood pressure,model5model4,railwaytraffic,nightday,NO2,Model 5 is corrected for variables of model 4 plus,home outdoorestimate NO2 exposure,.,bSimultaneously corrected for traffic noise exposure.,cSimultaneously corrected for railway,noise exposure.,8,transportation noise and blood pressure,Railway and traffic noise differ in frequency,slope of rise,and absolute levels of noise.,Traffic noise from heavily frequented streets,corresponds to a continuous exposure without much variation in noise exposure levels,whereas railway noise is characterized by a discontinuous pattern of intermittent very high maximum sound pressure levels and steep slopes of rise.,The intermittent pattern of noise exposure is thought to be more disruptive.,railwaytraffic&nightday,discussion,频率高,坡度大,声音大,9,transportation noise and blood pressure,RESULTS,railway noise,has an,adverse effect on,blood pressure,10,transportation noise and blood pressure,高血压,糖尿病,心血管疾病,11,transportation noise and blood pressure,CONCLUSION,We,present,evidence of an adverse effect of railway noise,on blood pressure,especially for nighttime exposure,.,we saw considerably higher effects of both,railway and traffic noise exposure amongparticipants with,physician-diagnosed hypertension,CVD,and diabetes.,12,transportation noise and blood pressure,Thanks,13,transportation noise and blood pressure,