Repository of Research and Investigative Information

Repository of Research and Investigative Information

Dezful University of Medical Sciences

Effect of Dust Storms on Non-Accidental, Cardiovascular, and Respiratory Mortality: A Case of Dezful City in Iran

(2021) Effect of Dust Storms on Non-Accidental, Cardiovascular, and Respiratory Mortality: A Case of Dezful City in Iran. Environmental health insights. p. 12. ISSN 1178-6302

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Abstract

BACKGROUND : Despite the fact that Iran has been exposed to severe dust storms during the past 2 decades, few studies have investigated the health effects of these events in Iran. This study was conducted to assess the association between dust storms and daily non-accidental, cardiovascular, and respiratory mortality in Dezful City (Khuzestan Province, Iran) during 2014 to 2019. METHODS: In this study, mortality, meteorological, and climatological data were obtained from the Dezful University of Medical Sciences, Iranian Meteorological Organization, and Department of Environment in Khuzestan Province, respectively. Days of dust storm were identified based on the daily concentration threshold of particulate matter with an aerodynamic diameter of less than 10 mu m (PM10) according to Hoffmanns-definition, and then an ecological time-series was used to estimate the short-term effects of dust storms on daily mortality. Statistical analysis was performed using a distributed lag linear model (DLM) and a distributed lag non-linear model (DLNM) packages by R software and the study results were reported as excess mortality. RESULTS : During the study period, 15 223 deaths were recorded, and 139 dust storms occurred in Dezful city. In addition, there was statistically significant excess risk of mortality due to dust storms in Dezful City (mortality in the group under 15 years of age, lag(4): 34.17 and 15-64 years of age groups, lag(5): 32.19, lag(6): 3.28), also dust storms had statistically significant effects on respiratory mortality (lag(6): 5.49). CONCLUSION: The findings of the current study indicate that dust storms increase the risk of mortality with some lags. An evidence-based early warning system may be able to aware the people of the health effects of dust storms.

Item Type: Article
Keywords: Mortality dust storm Middle East health time series short-term exposure health-risk assessment air-pollution hospital admissions saharan dust particulate matter events ahvaz diseases pm10 Public, Environmental & Occupational Health
Page Range: p. 12
Journal or Publication Title: Environmental health insights
Journal Index: ISI
Volume: 15
Identification Number: https://doi.org/10.1177/11786302211060152
ISSN: 1178-6302
Depositing User: مهندس مهدی شریفی
URI: http://eprints.dums.ac.ir/id/eprint/875

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