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The Effects of Air Pollution on Ischemic Stroke Admission Rate
Hossein Alimohammadi,Sara Fakhri,Hojjat Derakhshanfar,Seyed-Mostafa Hosseini-Zijoud,Saeed Safari,Hamid Reza Hatamabadi 전남대학교 의과학연구소 2016 전남의대학술지 Vol.52 No.1
The present study aimed to determine the relationship between the level of air pollutantsand the rate of ischemic stroke (IS) admissions to hospitals. In this retrospectivecross-sectional study, stroke admissions (January-March 2012 and 2013) to an emergencydepartment and air pollution and meteorological data were gathered. The relationshipbetween air pollutant levels and hospital admission rates were evaluated usingthe generalize additive model. In all 379 patients with IS were referred to the hospital(52.5% male; mean age 68.2±13.3 years). Both transient (p<0.001) and long-term(p<0.001) rises in CO level increases the risk of IS. Increased weekly (p<0.001) andmonthly (p<0.001) average O3 levels amplifies this risk, while a transient increase inNO2 (p<0.001) and SO2 (p<0.001) levels has the same effect. Long-term changes inPM10 (p<0.001) and PM2.5 (p<0.001) also increase the risk of IS. The findings showedthat the level of air pollutants directly correlates with the number of stroke admissionsto the emergency department.
Fouladi, Nasrin,Pourfarzi, Farhad,Mazaheri, Effat,Asl, Hossein Alimohammadi,Rezaie, Minoo,Amani, Fiouz,Nejad, Masumeh Rostam Asian Pacific Journal of Cancer Prevention 2013 Asian Pacific journal of cancer prevention Vol.14 No.11
Background: Breast cancer is the most common cancer in women. All ages are susceptible and more than 90% of the patients can be cured with early diagnosis. Breast self-examination (BSE) and mammography can be useful for this aim. In this study we examined the components of the Champion health belief model to identify if they could predict the intentions of women to perform such screening. Materials and Methods: A total of 380 women aged 30 and above who had referred to health-care centers were assessed for use of breast cancer screening over the past year with a modified health belief model questionnaire. Logistic regression was applied to identify leading independent predictors. Results: In this study 27% of the women performed BSE in the last year but only 6.8% of them used mammography as a way of screening. There were significant differences regarding all components of the model except for perceived severity between women that underwent BSE. over the past year and those that did not. Findings were similar for mammography. Regression analysis revealed that intentions to perform BSE were predicted by perceived self-efficacy and perceived barriers to BSE while intentions to perform mammography were predicted by perceived barriers. Conclusions: This study indicated that self-efficacy can support performance of BSE while perceived barriers are important for not performing both BSE and mammography. Thus we must educate women to increase their self-efficacy and decrease their perceived barriers.
Mansour Baziar,Ramin Nabizadeh,Amir Hossein Mahvi,Mahmood Alimohammadi,Kazem Naddafi,Alireza Mesdaghinia,Hassan Aslani 한국화학공학회 2018 Korean Journal of Chemical Engineering Vol.35 No.5
4-Chlorophenol (4-CP) is a hazardous and toxic chemical that enters into water bodies mainly through industrial effluents. The present study investigated the effect of under pressure dissolved oxygen on 4-CP degradation in the presence of nanoscale zero-valent iron (nZVI) and sodium persulfate. The impact of oxygen pressure, as a qualitative variable at three levels (1, 1.5 and 2 atm), along with five quantitative variables, including persulfate concentration (0-2mM), nZVI dosage (0-1 g/L), pH (3-11), reaction time (5-90min) and 4-CP concentration (50-500mg/L) on the 4-CP elimination from aqueous solutions, was examined using response surface methodology. There was a direct relationship between the dissolved oxygen under pressure and the 4-CP removal efficiency. Also, the gained R2 and adjusted R2 for three developed models of 1, 1.5 and 2 atm oxygen pressure were 0.971 and 0.9569, 0.9689 and 0.9538, and 0.9642 and 0.9468, respectively. The best removal process conditions for pH 4.2, 1.6mM persulfate, 64.79 min reaction time, 97.89mg/L initial 4-CP and 1 g/L nZVI dosage. The results indicated that dissolved oxygen under pressure- nZVI-persulfate could be considered a promising process for elimination of organic compounds from aqueous solutions.