Study on impact of air pollution on asthma among school going children residing in urban Agra

Singh, Devendra Kumar; Kumar, Santosh; Singh, Gajendra; Shadrach, Benhur Joel; Kaushal, SK; Goel, Rishabh

doi:10.4103/ijaai.ijaai_14_18

Cited by 4 publications

(3 citation statements)

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“…For example, Awasthi et al 32 reports 157 of the hospitalized 386 cases were for asthma, but they treat this variable as a covariate, not an outcome. Similarly, in Singh et al 33 while the asthmatic cohort after hospital admission enrolled in the study, the prospective six-month study outcome related to air pollution exposure was "asthmatic episode" or "asthma exacerbations" that not necessarily relates to another hospitalization. Also, the authors using the terms interchangeably and do not define them clearly 33 .…”

Section: Resultsmentioning

confidence: 99%

“…Similarly, in Singh et al 33 while the asthmatic cohort after hospital admission enrolled in the study, the prospective six-month study outcome related to air pollution exposure was "asthmatic episode" or "asthma exacerbations" that not necessarily relates to another hospitalization. Also, the authors using the terms interchangeably and do not define them clearly 33 . Studies in other countries such as Bangladesh reported asthma prevalence and air pollution associated asthma diagnosed by a physician but did not include asthma hospitalization 34 .…”

Section: Resultsmentioning

confidence: 99%

“…These three were focused on children and adolescents residing in urban areas. Although there were other studies in the initial search with exposure measures from monitoring stations such as Singh et al 33 the outcome definitions were not related to a hospital visit or admission because of asthma.…”

Section: Discussionmentioning

confidence: 99%

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A systematic review of the evidence of outdoor air pollution on asthma hospital visits in children and adolescents in South Asia – a call for data

et al. 2021

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Background: Outdoor air pollution and childhood asthma are increasing problems in South Asian countries. However, little is known about the associations between levels of air pollution and severe childhood asthma requiring hospital treatment in these regions. Methods: We undertook a systematic review to assess the evidence between outdoor air pollution exposure and childhood and adolescent asthma hospitalization in South Asia. MEDLINE, Web of Science, Google Scholar, CINAHL, Embase, Scopus, ProQuest Central databases were searched for peer-reviewed papers, and examination of reference lists was conducted for additional studies. We identified all the literature published in English up to January 2021 for the study population comprised of children aged less than 19 years. The search strategy was designed to identify all the studies and screen them as per the inclusion criteria. The method of qualitative synthesis using the standard tool determined the comprehensiveness of the assessment of bias. Results: Of the original 367 studies screened three studies were ultimately included from India, Pakistan and Sri Lanka and a narrative synthesis was conducted. Although studies reported adverse effects of outdoor pollution on asthma hospitalizations, limitations in exposure assessments, varying definitions of asthma hospitalizations and limited data analysis were identified. Conclusions: There is currently limited evidence that can provide meaningful risk estimates of the impact of outdoor air pollution on asthma hospitalizations during childhood and adolescence. Studies with comparable outcome definitions, appropriate exposure assessments and study designs are needed to inform future public and environmental health policy. PROSPERO registration: CRD42020156714 (28/04/2020)

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Section: Resultsmentioning

confidence: 99%