The association of environmental, meteorological, and pollen count variables with asthma-related emergency department visits and hospitalizations in the Bronx

Witonsky, Jonathan; Abraham, Ryan; Toh, Jennifer; Desai, Tulsi; Shum, Mili; Rosenstreich, David L.; Jariwala, Sunit

doi:10.1080/02770903.2018.1514627

Cited by 22 publications

(23 citation statements)

References 37 publications

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“…However, we judged some to be at probably high risk of bias for exposure assessment for both air pollutants and pollen. The findings across the studies were inconsistent, with some studies reporting interactive effects of all three or some combination of the exposures [47][48][49]52], while others reported independent effects that were unaffected by controlling for the other risk factors [51] or were inconclusive when considering simultaneous exposure to all three risk factors [50].…”

Section: Resultsmentioning

confidence: 98%

“…The studies were conducted in Canada, France, Hungary, and the U.S. and all focused on respiratory hospitalizations and emergency department visits (all except one focused specifically on asthma). The studies used widely different methods for categorizing temperature exposure, including spatial synoptic classification [47,48], seasonal analysis [52], and interday temperature change [51]. Generally, the studies were individually rated as low risk of bias for most categories, including study design, detection of outcome, reporting, and conflict of interest.…”

Section: Resultsmentioning

confidence: 99%

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Synergistic health effects of air pollution, temperature, and pollen exposure: a systematic review of epidemiological evidence

et al. 2020

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Background Exposure to heat, air pollution, and pollen are associated with health outcomes, including cardiovascular and respiratory disease. Studies assessing the health impacts of climate change have considered increased exposure to these risk factors separately, though they may be increasing simultaneously for some populations and may act synergistically on health. Our objective is to systematically review epidemiological evidence for interactive effects of multiple exposures to heat, air pollution, and pollen on human health. Methods We systematically searched electronic literature databases (last search, April 29, 2019) for studies reporting quantitative measurements of associations between at least two of the exposures and mortality from any cause and cardiovascular and respiratory morbidity and mortality specifically. Following the Navigation Guide systematic review methodology, we evaluated the risk of bias of individual studies and the overall quality and strength of evidence. Results We found 56 studies that met the inclusion criteria. Of these, six measured air pollution, heat, and pollen; 39 measured air pollution and heat; 10 measured air pollution and pollen; and one measured heat and pollen. Nearly all studies were at risk of bias from exposure assessment error. However, consistent exposure-response across studies led us to conclude that there is overall moderate quality and sufficient evidence for synergistic effects of heat and air pollution. We concluded that there is overall low quality and limited evidence for synergistic effects from simultaneous exposure to (1) air pollution, pollen, and heat; and (2) air pollution and pollen. With only one study, we were unable to assess the evidence for synergistic effects of heat and pollen. Conclusions If synergistic effects between heat and air pollution are confirmed with additional research, the health impacts from climate change-driven increases in air pollution and heat exposure may be larger than previously estimated in studies that consider these risk factors individually.

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Section: Resultsmentioning

confidence: 98%

Section: Resultsmentioning

confidence: 99%

Synergistic health effects of air pollution, temperature, and pollen exposure: a systematic review of epidemiological evidence

et al. 2020

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“…. Study results were different, but mainly the highest frequency of asthma occurred in autumn and spring 4,16,20,22,24,26,28,30,[34][35][36] .…”

Section: Resultsmentioning

confidence: 82%

“…There were no studies from the arid and polar regions. The remaining studies were from the warm-temperate 4,12,16,19,20,[23][24][25][26][28][29][30][31][32][33][34][35] and snow regions 18,27,36 .…”

Section: Resultsmentioning

confidence: 99%

“…These studies have reported various associations and it is necessary to provide an overall conclusion from these studies to help public health policymaking. Although a systematic review was recently conducted about ambient temperature and childhood asthma by Xu et al 15 , but this review did not include some articles 4,[16][17][18][19][20][21][22][23][24][25][26][27][28][29] .…”

Section: Introductionmentioning

confidence: 99%

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The Relation between Ambient Temperature and Asthma Exacerbation in Children: A Systematic Review

Shoraka¹,

Soodejani²,

Abobakri³

et al. 2019

J Lung Health Dis

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Background: Asthma is one of the most common chronic noncommunicable diseases which is seen more in the developed than developing countries of the world. Recurrence and exacerbations of the disease are common among patients and often lead to hospitalization and therapeutic interventions. Ambient air temperature might be related to the relapse of asthma. This review was conducted to investigate the relation between ambient temperature and exacerbations of asthma in children.Methods: Related articles were searched in PubMed, Web of Science, Science Direct, and Scopus databases with appropriate keywords and no specific limitation on October 1, 2018. Initially, the relevance of the articles was examined using the title and abstract. Out of 2633 articles, 23 articles were eligible according to the inclusion and exclusion criteria.Results: Fourteen studies had reported inverse relations; and showed as the temperature dropped, the number of asthma attacks increased in children. Nine papers observed a relation between hot weather and asthma attacks, 3 studies reported a relation between temperature differences and asthma attacks, and two studies did not show any relation. Some studies suggested the increased incidence of asthma in the 5-14 year old age group was associated with the start of the school year and probably due to the spread of viral diseases, not temperature changes. Conclusion:Extreme temperatures are likely to cause exacerbation of childhood asthma.

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Onset of asthma‐like symptoms in children with lower respiratory tract infections

Mao

et al. 2020

Clinical Laboratory Analysis

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The association of environmental, meteorological, and pollen count variables with asthma-related emergency department visits and hospitalizations in the Bronx

Cited by 22 publications

References 37 publications

Synergistic health effects of air pollution, temperature, and pollen exposure: a systematic review of epidemiological evidence

Synergistic health effects of air pollution, temperature, and pollen exposure: a systematic review of epidemiological evidence

The Relation between Ambient Temperature and Asthma Exacerbation in Children: A Systematic Review

Onset of asthma‐like symptoms in children with lower respiratory tract infections

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