Document Type : Original Article(s)
Authors
- Katayoun Rabiei 1
- Sayed Mohsen Hosseini 2
- Erfan Sadeghi 3
- Tohid Jafari-Koshki 4
- Mojtaba Rahimi 5
- Mansour Shishehforoush 6
- Ahmadreza Lahijanzadeh 7
- Babak Sadeghian 8
- Elham Moazam 9
- Mohammad Bagher Mohebi 10
- Victoria Ezatian 11
- Nizal Sarrafzadegan 1
1 Isfahan Cardiovascular Research Center, Cardiovascular Research Institute, Isfahan University of Medical Sciences, Isfahan, Iran
2 Department of Biostatistics and Epidemiology, School of Public Health, Isfahan University of Medical Sciences, Isfahan, Iran
3 Noncommunicable Diseases Research Center, Fasa University of Medical Sciences, Fasa, Iran
4 Road Traffic Injury Research Center AND Department of Statistics and Epidemiology, School of Health, Tabriz University of Medical Sciences, Tabriz, Iran
5 Department of Anesthesiology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
6 Isfahan Disaster Management Office, Isfahan Governer’s Office, Isfahan, Iran
7 Khouzestan Department of Environment, Ahvaz, Iran
8 Central Laboratory and Air Pollution Monitoring, Isfahan Province Environmental Monitoring Center, Isfahan Department of Environment, Isfahan, Iran
9 Cancer Prevention Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
10 Information Technology Offices, Isfahan University of Medical Sciences, Isfahan, Iran
11 Isfahan Meteorological Offices, Isfahan, Iran
Abstract
BACKGROUND: Considering the high level of air pollution and its impact on health, we aimed to study the correlation of air pollution with hospitalization and mortality of cardiovascular (CVD) and respiratory diseases (ResD) (CAPACITY) to determine the effects of air pollutants on CVD and ResD hospitalizations and deaths in Isfahan, Iran.METHODS: Hourly levels of air pollutants including particulate matter (PM), carbon monoxide (CO), nitrogen dioxide (NO2), sulfur dioxide (SO2), and ozone (O3), information of CVD and ResD admissions and death certificate were obtained respectively from Department of Environment (DOE), Iran, hospitals and cemetery. Time series and case-crossover model were used to find the impact of air pollutants. This paper only summarizes the descriptive findings of the CAPACITY study.RESULTS: The total number of hospitalized patients were 23781 in 2010 and 22485 in 2011. The most frequent cause of hospitalization and death was ischemic heart diseases in both years. While the mean annual levels of O3, CO, and PM10 were lower in 2011 than in 2010, NO2 and SO2 levels higher in 2011. In both years, PM10 was similarly increased during last month of fall, late spring and early summer. In 2011, the PM2.5 and PM10 monthly trend of change were similar.CONCLUSION: The CAPACITY study is one of the few large-scale studies that evaluated the effects of air pollutants on a variety of CVD and ResD in a large city of Iran. This study can provide many findings that could clarify the effects of these pollutants on the incidence and burden of both disease groups.
Keywords
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