Author/Authors :
Rabiei, Katayoun Isfahan Cardiovascular Research Center - Cardiovascular Research Institute - Isfahan University of Medical Sciences, Isfahan, Iran , Hosseini, Mohsen Department of Biostatistics and Epidemiology - School of Public Health - Isfahan University of Medical Sciences, Isfahan, Iran , Sadeghi, Erfan Noncommunicable Diseases Research Center - Fasa University of Medical Sciences, Fasa, Iran , Jafari-Koshki, Tohid Road Traffic Injury Research Center - Department of Statistics and Epidemiology - School of Health - Tabriz University of Medical Sciences, Tabriz, Iran , Rahimi, Mojtaba Department of Anesthesiology - School of Medicine - Isfahan University of Medical Sciences, Isfahan, Iran , Shishehforoush, Mansour Isfahan Disaster Management Office - Isfahan Governer’s Office, Isfahan, Iran , Lahijanzadeh, Ahmadreza Khouzestan Department of Environment, Ahvaz, Iran , Sadeghian, Babak Central Laboratory and Air Pollution Monitoring - Isfahan Province Environmental Monitoring Center - Isfahan Department of Environment, Isfahan, Iran , Moazam, Elham Cancer Prevention Research Center - Isfahan University of Medical Sciences, Isfahan, Iran , Mohebi, Mohammad Bagher Isfahan University of Medical Sciences, Isfahan, Iran , Ezatian, Victoria Isfahan Meteorological Offices, Isfahan, Iran , Sarrafzadegan, Nizal Isfahan Cardiovascular Research Center - Cardiovascular Research Institute - Isfahan University of Medical Sciences, 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.
