Exposure to outdoor air pollution and its human-related health outcomes: an evidence gap map
Objectives Outdoor air pollution is a serious environmental problem worldwide. Current systematic reviews (SRs) and meta-analyses (MAs) mostly focused on some specific health outcomes or some specific air pollution.Design This evidence gap map (EGM) is to identify existing gaps from SRs and MAs and...
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BMJ Publishing Group
2019-12-01
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| Series: | BMJ Open |
| Online Access: | https://bmjopen.bmj.com/content/9/12/e031312.full |
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| author | Zhuanlan Sun Demi Zhu |
| author_facet | Zhuanlan Sun Demi Zhu |
| author_sort | Zhuanlan Sun |
| collection | DOAJ |
| description | Objectives Outdoor air pollution is a serious environmental problem worldwide. Current systematic reviews (SRs) and meta-analyses (MAs) mostly focused on some specific health outcomes or some specific air pollution.Design This evidence gap map (EGM) is to identify existing gaps from SRs and MAs and report them in broad topic areas.Data sources PubMed, Cochrane, Scopus and Web of Science were searched from their inception until June 2018. Citations and reference lists were traced.Eligibility criteria SRs and MAs that investigated the impact of outdoor air pollution on human health outcomes were collected. This study excluded original articles and qualitative review articles.Data extraction and synthesis Characteristics of the included SRs and MAs were extracted and summarised. Extracted data included authors, publication year, location of the corresponding author(s), publication journal discipline, study design, study duration, sample size, study region, target population, types of air pollution and health outcomes.Results Asia and North America published 93% of SRs and MAs included in this EGM. 31% of the SRs and MAs (27/86) included primary studies conducted in 5–10 countries. Their publication trends have increased during the last 10 years. A total of 2864 primary studies was included. The median number of included primary studies was 20 (range, 7–167). Cohort studies, case cross-over studies and time-series studies were the top three most used study designs. The mostly researched population was the group of all ages (46/86, 53%). Cardiovascular diseases, respiratory diseases and health service records were mostly reported. A lack of definite diagnostic criteria, unclear reporting of air pollution exposure and time period of primary studies were the main research gaps.Conclusions This EGM provided a visual overview of health outcomes affected by outdoor air pollution exposure. Future research should focus on chronic diseases, cancer and mental disorders. |
| format | Article |
| id | doaj-art-43d5bc0cd3f94dd38cb6347746a836d5 |
| institution | Kabale University |
| issn | 2044-6055 |
| language | English |
| publishDate | 2019-12-01 |
| publisher | BMJ Publishing Group |
| record_format | Article |
| series | BMJ Open |
| spelling | doaj-art-43d5bc0cd3f94dd38cb6347746a836d52024-12-02T22:35:16ZengBMJ Publishing GroupBMJ Open2044-60552019-12-0191210.1136/bmjopen-2019-031312Exposure to outdoor air pollution and its human-related health outcomes: an evidence gap mapZhuanlan Sun0Demi Zhu1High-Quality Development Evaluation Institute, Nanjing University of Posts and Telecommunications, Nanjing, ChinaSchool of International and Public Affairs, Shanghai Jiao Tong University, Shanghai, ChinaObjectives Outdoor air pollution is a serious environmental problem worldwide. Current systematic reviews (SRs) and meta-analyses (MAs) mostly focused on some specific health outcomes or some specific air pollution.Design This evidence gap map (EGM) is to identify existing gaps from SRs and MAs and report them in broad topic areas.Data sources PubMed, Cochrane, Scopus and Web of Science were searched from their inception until June 2018. Citations and reference lists were traced.Eligibility criteria SRs and MAs that investigated the impact of outdoor air pollution on human health outcomes were collected. This study excluded original articles and qualitative review articles.Data extraction and synthesis Characteristics of the included SRs and MAs were extracted and summarised. Extracted data included authors, publication year, location of the corresponding author(s), publication journal discipline, study design, study duration, sample size, study region, target population, types of air pollution and health outcomes.Results Asia and North America published 93% of SRs and MAs included in this EGM. 31% of the SRs and MAs (27/86) included primary studies conducted in 5–10 countries. Their publication trends have increased during the last 10 years. A total of 2864 primary studies was included. The median number of included primary studies was 20 (range, 7–167). Cohort studies, case cross-over studies and time-series studies were the top three most used study designs. The mostly researched population was the group of all ages (46/86, 53%). Cardiovascular diseases, respiratory diseases and health service records were mostly reported. A lack of definite diagnostic criteria, unclear reporting of air pollution exposure and time period of primary studies were the main research gaps.Conclusions This EGM provided a visual overview of health outcomes affected by outdoor air pollution exposure. Future research should focus on chronic diseases, cancer and mental disorders.https://bmjopen.bmj.com/content/9/12/e031312.full |
| spellingShingle | Zhuanlan Sun Demi Zhu Exposure to outdoor air pollution and its human-related health outcomes: an evidence gap map BMJ Open |
| title | Exposure to outdoor air pollution and its human-related health outcomes: an evidence gap map |
| title_full | Exposure to outdoor air pollution and its human-related health outcomes: an evidence gap map |
| title_fullStr | Exposure to outdoor air pollution and its human-related health outcomes: an evidence gap map |
| title_full_unstemmed | Exposure to outdoor air pollution and its human-related health outcomes: an evidence gap map |
| title_short | Exposure to outdoor air pollution and its human-related health outcomes: an evidence gap map |
| title_sort | exposure to outdoor air pollution and its human related health outcomes an evidence gap map |
| url | https://bmjopen.bmj.com/content/9/12/e031312.full |
| work_keys_str_mv | AT zhuanlansun exposuretooutdoorairpollutionanditshumanrelatedhealthoutcomesanevidencegapmap AT demizhu exposuretooutdoorairpollutionanditshumanrelatedhealthoutcomesanevidencegapmap |