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Estimating Exposure to Traffic-Related Air Pollution and Its Consequences on Respiratory Health in Population Working or Living along the Trunk Road: A Systematic Review

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Document pages: 16 pages

Abstract: Introduction: Urban Air pollution is increasingly becoming a major health and sustainabledevelopment issue. Several studies showed that Traffic-related air pollution (TRAP)is one of the main sources of urban air pollution and has serious consequences onrespiratory health. As no systematic review focused on the traffic-related air pollutionand respiratory health in the target population of individuals working in a shopor in an office or individuals living along the trunk road, the authors conductedthe current study to try to fill this gap. Methods: A systematic review searchwas conducted using MEDLINE (PubMed), Scientific Research Publishing: SCIRP, Webof Science, Google scholar. Studies were included if they meet the following selectioncriteria: 1) focuson population working or living along a major trunk road; 2) studies had reported clearly at least on the exposurevariables related to TRAP; 3) the association between TRAPand development of respiratory symptoms or respiratory diseases was established. Results: 13 articles were selected on the 192 articles that were retrievedin the initial research. Exposure to traffic-related air pollution was determinedby using distance to road, traffic intensity and pollutants measured. The main respiratoryhealth problems found were cough, wheeze, asthma and bronchitis. No article discussedabout roundabouts in characterizing exposure to traffic-related air pollution. Conclusion: Distance to road, traffic density and pollutants measured are the usual methodsto characterize the exposure to traffic-related air pollution and its consequenceson respiratory health. Regarding the context of area occupations in African cities,it is necessary to focus on population around roundabouts and see if they are notmore exposed to TRAP.

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