Air pollution and hospital admissions and deaths due to respiratory infections in megacity of Tehran: A time series analysis

Introduction: Air pollution is one of the main causes for the significant increase of respiratory infections in Tehran. In the present study, we investigated the associations between short-term exposure to ambient air pollutants with the hospital admissions and deaths. Materials and methods: Hea...

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Autores principales:	Zahra Namvar, Mostafa Hadei, Seyed Saeed Hashemi, Elahe Shahhosseini, Philip K. Hopke, Masoumeh Rahmatinia, Shahriyar Bazzazpour, Majid Kermani, Anooshiravan Mohseni Bandpey, Abbas Shahsavani
Formato:	article
Lenguaje:	EN
Publicado:	Tehran University of Medical Sciences 2021
Materias:	Outdoor air pollutant; Respiratory diseases; Hospital admissions; Deaths Environmental technology. Sanitary engineering TD1-1066
Acceso en línea:	https://doaj.org/article/a0f1a6f3c2754a5aad1de4af3ebecfdc
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spelling	oai:doaj.org-article:a0f1a6f3c2754a5aad1de4af3ebecfdc2021-11-20T05:13:31ZAir pollution and hospital admissions and deaths due to respiratory infections in megacity of Tehran: A time series analysis10.18502/japh.v6i1.76012476-3071https://doaj.org/article/a0f1a6f3c2754a5aad1de4af3ebecfdc2021-03-01T00:00:00Zhttps://japh.tums.ac.ir/index.php/japh/article/view/307https://doaj.org/toc/2476-3071 Introduction: Air pollution is one of the main causes for the significant increase of respiratory infections in Tehran. In the present study, we investigated the associations between short-term exposure to ambient air pollutants with the hospital admissions and deaths. Materials and methods: Health data from 39915 hospital admissions and 2459 registered deaths associated with these hospital admissions for respiratory infections were obtained from the Ministry of Health and Medical Education during 2014-2017. We used the distributed lag non-linear model (DLNM) for the analyses. Results: There was a statistically positive association between PM2.5 and AURI in the age group of 16 years and younger at lags 6 (RR 1.31; 1.05-1.64) and 7 (RR 1.50; 1.09-2.06). AURI admissions was associated with O3 in the age group of 16 and 65 years at lag 7 with RR 1.13 (1.00-1.27). ALRI admissions was associated with CO in the age group of 65 years and older at lag 0 with RR 1.12 (1.02-1.23). PM10 was associated with ALRI daily hospital admissions at lag 0 for males. ALRI admissions were associated with NO2 for females at lag 0. There was a positive association between ALRI deaths and SO2 in the age group of 65 years and older at lags 4 and 5 with RR 1.04 (1.00-1.09) and 1.03 (1.00-1.07), respectively. Conclusion: Exposure to outdoor air pollutiants including PM10, PM2.5, SO2, NO2, O3, and CO was associated with hospital admissions for AURI and ALRI at different lags. Moreover, exposure to SO2 was associated with deaths for ALRI. Zahra NamvarMostafa HadeiSeyed Saeed HashemiElahe ShahhosseiniPhilip K. HopkeMasoumeh RahmatiniaShahriyar BazzazpourMajid KermaniAnooshiravan Mohseni BandpeyAbbas ShahsavaniTehran University of Medical SciencesarticleOutdoor air pollutant; Respiratory diseases; Hospital admissions; DeathsEnvironmental technology. Sanitary engineeringTD1-1066ENJournal of Air Pollution and Health, Vol 6, Iss 1 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Outdoor air pollutant; Respiratory diseases; Hospital admissions; Deaths Environmental technology. Sanitary engineering TD1-1066
spellingShingle	Outdoor air pollutant; Respiratory diseases; Hospital admissions; Deaths Environmental technology. Sanitary engineering TD1-1066 Zahra Namvar Mostafa Hadei Seyed Saeed Hashemi Elahe Shahhosseini Philip K. Hopke Masoumeh Rahmatinia Shahriyar Bazzazpour Majid Kermani Anooshiravan Mohseni Bandpey Abbas Shahsavani Air pollution and hospital admissions and deaths due to respiratory infections in megacity of Tehran: A time series analysis
description	Introduction: Air pollution is one of the main causes for the significant increase of respiratory infections in Tehran. In the present study, we investigated the associations between short-term exposure to ambient air pollutants with the hospital admissions and deaths. Materials and methods: Health data from 39915 hospital admissions and 2459 registered deaths associated with these hospital admissions for respiratory infections were obtained from the Ministry of Health and Medical Education during 2014-2017. We used the distributed lag non-linear model (DLNM) for the analyses. Results: There was a statistically positive association between PM2.5 and AURI in the age group of 16 years and younger at lags 6 (RR 1.31; 1.05-1.64) and 7 (RR 1.50; 1.09-2.06). AURI admissions was associated with O3 in the age group of 16 and 65 years at lag 7 with RR 1.13 (1.00-1.27). ALRI admissions was associated with CO in the age group of 65 years and older at lag 0 with RR 1.12 (1.02-1.23). PM10 was associated with ALRI daily hospital admissions at lag 0 for males. ALRI admissions were associated with NO2 for females at lag 0. There was a positive association between ALRI deaths and SO2 in the age group of 65 years and older at lags 4 and 5 with RR 1.04 (1.00-1.09) and 1.03 (1.00-1.07), respectively. Conclusion: Exposure to outdoor air pollutiants including PM10, PM2.5, SO2, NO2, O3, and CO was associated with hospital admissions for AURI and ALRI at different lags. Moreover, exposure to SO2 was associated with deaths for ALRI.
format	article
author	Zahra Namvar Mostafa Hadei Seyed Saeed Hashemi Elahe Shahhosseini Philip K. Hopke Masoumeh Rahmatinia Shahriyar Bazzazpour Majid Kermani Anooshiravan Mohseni Bandpey Abbas Shahsavani
author_facet	Zahra Namvar Mostafa Hadei Seyed Saeed Hashemi Elahe Shahhosseini Philip K. Hopke Masoumeh Rahmatinia Shahriyar Bazzazpour Majid Kermani Anooshiravan Mohseni Bandpey Abbas Shahsavani
author_sort	Zahra Namvar
title	Air pollution and hospital admissions and deaths due to respiratory infections in megacity of Tehran: A time series analysis
title_short	Air pollution and hospital admissions and deaths due to respiratory infections in megacity of Tehran: A time series analysis
title_full	Air pollution and hospital admissions and deaths due to respiratory infections in megacity of Tehran: A time series analysis
title_fullStr	Air pollution and hospital admissions and deaths due to respiratory infections in megacity of Tehran: A time series analysis
title_full_unstemmed	Air pollution and hospital admissions and deaths due to respiratory infections in megacity of Tehran: A time series analysis
title_sort	air pollution and hospital admissions and deaths due to respiratory infections in megacity of tehran: a time series analysis
publisher	Tehran University of Medical Sciences
publishDate	2021
url	https://doaj.org/article/a0f1a6f3c2754a5aad1de4af3ebecfdc
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Air pollution and hospital admissions and deaths due to respiratory infections in megacity of Tehran: A time series analysis

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