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Sample records for case study tehran

  1. (Case Study: Allameh Tabatabaee University, Tehran

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    Mohammad Reza Karimi Alavijeh

    2014-06-01

    Full Text Available News websites’ design quality plays an important role in retention time and increasing visitors’ motivation in order to maintain loyalty and e-wom. Therefore, these websites are trying to achieve this competitive advantage through improving their websites’ design quality. The purpose of this research is to examine the effect of design quality of News websites on e-loyalty and e-wom. This article is applied in purpose, and is correlational descriptive-survey in terms of data collection. The population of the research includes the students of Allame Tabatabaee University who have at least once visited News websites. A sample of 374 students was selected using proportional stratified method and data was collected using a questionnaire. Finally, the hypotheses were tested using structural equation model (SEM and SPSS, LISREL software. The results of the study indicate that websites’ design quality has a direct and significant effect on visitors’ pleasure and perceived quality of information and has indirect and significant effect on e-Satisfaction, e-trust, e-loyalty and e-wom.

  2. Mathematical modeling in municipal solid waste management: case study of Tehran.

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    Akbarpour Shirazi, Mohsen; Samieifard, Reza; Abduli, Mohammad Ali; Omidvar, Babak

    2016-01-01

    Solid Waste Management (SWM) in metropolises with systematic methods and following environmental issues, is one of the most important subjects in the area of urban management. In this regard, it is regarded as a legal entity so that its activities are not overshadowed by other urban activities. In this paper, a linear mathematical programming model has been designed for integrated SWM. Using Lingo software and required data from Tehran, the proposed model has been applied for Tehran SWM system as a case study. To determine the optimal status of the available system for Tehran's Solid Waste Management System (SWMS), a novel linear programming model is applied. Tehran has 22 municipal regions with 11 transfer stations and 10 processing units. By running of the model, the transfer stations and processing units are decreased to 10 and 6 units, respectively. The proposed model is an alternative method for improvement the SWMS by decreasing the transfer stations and processing units.

  3. Towards Biological Restoration of Tehran Megalopolis River Valleys- Case Study: Farahzad River

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    Samadi, Nafishe; Oveis Torabi, Seyed; Akhani, Hossein

    2017-04-01

    Towards biological restoration of Tehran megalopolis river-valleys: case study Farahzad river 1Nafiseh Samadi, 2OveisTorabi, 3Hossein Akhani 1Mahsab Shargh Company, Tehran ,Iran, nafiseh19@gmail.com 2 Mahsab Shargh Company, Tehran ,Iran, weg@tna-co.com 3Department of Plant Sciences, Halophytes and C4 Research Laboratory, School of Biology, College of Sciences, University of Tehran, PO Box 14155-6455, Tehran, Iran, akhani@khayam.ut.ac.ir Tehran is located in northcentral parts of Iran on the alluvium of southern Alborz Mountains. Seven rivers originated from the highlands of N Tehran run inside and around the city. Many of these river valleys have been deformed by a variety of urban utilizations such as garden, building, canal, park, autobahn etc. Tehran with more than eight million populations suffered from adverse environmental conditions such as pollution and scarcity of natural habitats for recreational activities. Ecological restoration of altered river valleys of Tehran is one of the priorities of Tehran municipality started as a pilot project in Farahzad river. Intensive disturbance, conversion into various urban utilization, illegal building construction, waste water release into the river, garbage accumulation, artificial park constructions and domination of invasive species have largely altered the river. Parts of the river located in Pardisan Nature Park was studied before its complete deformation into a modern park. The riparian vegetation consisted of Tamarix ramosissima and Salix acmophylla shrubs with large number of aquatic and palustric plants. The norther parts of the river still contain semi-natural vegetation which change into patchy and intensive degraded habitats towards its southern parts. In northern parts of valley there are old gardens of Morus alba and Juglans regia, and planted trees such as Plataneus oreientalis and Acer negundo. Salix acmophylla, Fraxinus excelsior and Celtis caucasica are native species growing on river margin or

  4. An Analysis of Public Transit Connectivity Index in Tehran. The Case Study: Tehran Multi-Modal Transit Network

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    Amir Reza Mamdoohi

    2016-10-01

    Full Text Available Public transit is a major priority in modern management of large cities and metropolitan areas in particular. Public transit systems in such cities consist of a large number of nodes and lines which are represented by a complex network. A station for public transit is a bridge between the people and public transit network, based on which, the concept of input and output power for each station can be defined. The objective of this study is the application of the transit connectivity indices to the multimodal transit network in the city of Tehran. The public transit network data employed in this study is taken from Tehran Traffic Control Company, and Tehran Urban and Suburban Railway Operation Company. The methodology for measuring transit connectivity consists of three measures: Node connectivity, Line connectivity and Regional connectivity, where activity density is applied to these measures. The results of node connectivity analysis shows that most of the node connectivity in concentrated in the city center with many nodes in the center along routes going north and south. The line connectivity analysis shows that there is a concentration of highly connected lines that are near Tehran municipality region 12 and 16. Finally, we find that areas with more metro and bus facilities with respect to the other areas, have a better regional connectivity. One of these areas includes Sadeghiyeh Metro Station which is the junction of Tehran Metro Line 2 and Tehran Metro Line 5 which have a high connectivity power. Results of this study can be used to suggest some ideas on how future investments in rail and bus should be prioritized. Particularly in Transit Oriented Development (TOD and sustainble development projects, urban planners can design transit stations with high performance to access the crucial services in poor areas.

  5. Dietary patterns and risk of colorectal cancer in Tehran Province: a case?control study

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    Safari, Akram; Shariff, Zalilah Mohd; Kandiah, Mirnalini; Rashidkhani, Bahram; Fereidooni, Foroozandeh

    2013-01-01

    Background Colorectal cancer is the third and fourth leading cause of cancer incidence and mortality among men and women, respectively in Iran. However, the role of dietary factors that could contribute to this high cancer incidence remains unclear. The aim of this study was to determine major dietary patterns and its relationship with colorectal cancer. Methods This case?control study was conducted in four hospitals in Tehran city of Iran. A total of 71 patients (35 men and 36 women, aged 40...

  6. AN EMPIRICAL ASSESSMENT OF THE WALKING ENVIRONMENT IN A MEGACITY: CASE STUDY OF VALIASR STREET, TEHRAN

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    Bahareh Motamed

    2016-11-01

    Full Text Available High air pollution, car dependency, and increasing statistics of obesity and cardiovascular diseases are growing issues in the mega city of Tehran, the capital city of Iran. Therefore, investigating the quality of walkability as an effective solution for these issues in Valiasr Street, the longest street of Middle East and one of the key vena of Tehran, becomes significant. Research shows that despite the attempts of executed projects, the majority of implemented actions in this street were not in accordance with services of its pedestrian facilities. Even in some cases, they may threaten the walking environment. This paper discusses not only the physical features of Valiasr Street but it also considers the consequences of policies and municipal decisions in light of walkability criteria. Using walkability indexes from various scholars, this study seeks to investigate the level of walkability in Valiasr Street through field observation and mapping by trained observers/ auditors.

  7. Economic Value Creation in Metro Complexes: Case Study on Sadr Station Complex in Tehran

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    Nima Jafari

    2017-04-01

    Full Text Available The main objective of this research is economic value creation methods in metro station centers with the case study of Sadr Station complex in Tehran. The research implements a descriptive approach by benefiting from the data of a cross-sectional survey which was collected by the authors. The target population included all scholars of urban development and transport academics, capitalists and directors of the station complex with the total number of 1,100 people. By using a random sampling, 285 people were surveyed with a 25-item questionnaire developed by the researchers. The results suggest priority of value creation respectively in areas of collaborative, competitive, private, governmental, and personal. The test results also showed that among the components of economic value creation (corporate, individual, competitive, governmental and private, the observed correlation was significant. According to the obtained results, development of economic value creation in station centers seems necessary.

  8. A rare case of haboob in Tehran: Observational and numerical study

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    Karami, S.; Ranjbar, A.; Mohebalhojeh, A. R.; Moradi, M.

    2017-03-01

    A great dust storm occurred in Tehran on 2 June 2014 and caused severe damage to properties and involved loss of human life. From the visual evidence available, it can be regarded as a case of haboob. As a lower latitude phenomenon, its occurrence in Tehran was unprecedented in the last 50 years. This paper aims to present a detailed analysis of the weather conditions, the pathways by which dust particles were ingested by the haboob, as well as the impact of the urban boundary layer on the intensity and propagation of the dust storm. Using numerical simulation carried out by the WRF-Chem model and various observational techniques, the coupling of a low-level small-scale deformation field with a lower-tropospheric cold pool produced by precipitating mid-tropospheric clouds is identified as the main process involved in shaping this rare dust storm.

  9. Earnings quality measures and excess returns: A case study of Tehran Stock Exchange

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    Hassan Hemmati

    2013-04-01

    Full Text Available This paper presents an empirical investigation to study the relationship between earning quality measure and excess returns on selected firms trading on Tehran Stock Exchange. The purpose of this study is to find the relative advantage of income figures reported in formal financial statements. The study uses hedge return, six accounting ratios and three market ratios and performs the study over the period of 2001-2011 using 56 firms whose shares were traded on Tehran Stock Exchange. The proposed study uses regression analysis as well as structural equation modeling. The results of this study indicate that market based figures are more influencing than accounting based ratios on hedge return. In other words, hedge return for persistency index was more predictable than smoothness and abnormal accruals. However, on the contrary to what we expected, hedge return for accruals was not more than other accounting based figures.

  10. Strategic management of solid waste in Tehran: a case study in District no. 1

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    Monireh Majlessi

    2015-06-01

    Full Text Available Background: Successful waste management programs are linked to internal factors, SW (strength and weakness points, and external factors, OT (opportunities and threats, and at the macro level are grounds for sustainable development. Studies may be related to David’s study which presented a method to quantify strength, weakness, opportunity, threats (SWOT analysis. Methods: In this study, designed to investigate recycling and managing dry residues in District 1, threat factors were studied and internal factors evaluation (IFE and external factors evaluation (EFE matrixes were scored. Tehran Municipality District 1 has 10 subdistricts and 26 neighborhoods. The dry residues from Municipality District 1 that currently weigh approximately 2678 tons per day. Results: Results showed that WO strategies for improving weaknesses and employing opportunities available in District 1 are ideal. After constructing the Quantitative Strategic Planning Matrix (QSPM, WO strategies were prioritized. Conclusion: The evaluation matrix of internal and external factors in the city of Tehran indicated that waste management has weak internal factors. Meanwhile, evaluation points of external factors showed that, in the current situation, SWOT could achieve good results. Waste management systems are involved with different multi-disciplinary factors; therefore, trends in the development of waste treatment technologies have been led by various social, economic, and environmental drivers in Tehran.

  11. Dietary patterns and risk of colorectal cancer in Tehran Province: a case-control study.

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    Safari, Akram; Shariff, Zalilah Mohd; Kandiah, Mirnalini; Rashidkhani, Bahram; Fereidooni, Foroozandeh

    2013-03-12

    Colorectal cancer is the third and fourth leading cause of cancer incidence and mortality among men and women, respectively in Iran. However, the role of dietary factors that could contribute to this high cancer incidence remains unclear. The aim of this study was to determine major dietary patterns and its relationship with colorectal cancer. This case-control study was conducted in four hospitals in Tehran city of Iran. A total of 71 patients (35 men and 36 women, aged 40-75 years) with incident clinically confirmed colorectal cancer (CRC) and 142 controls (70 men and 72 women, aged 40-75 years) admitted to hospital for acute, non-neoplastic diseases were recruited and interviewed. Dietary data were assessed by 125-item semi-quantitative food frequency questionnaire. Multivariate logistic regression was used to estimate the relationship between dietary patterns and risk of colorectal cancer. Two major dietary patterns (Healthy pattern and Western pattern) were derived using principal component analysis. Each dietary pattern explained 11.9% (Healthy pattern) and 10.3% (Western pattern) of the variation in food intake, respectively. After adjusting for confounding factors, the Healthy dietary pattern was significantly associated with a decreased risk of colorectal cancer (OR= 0.227; 95% CI=0.108-0.478) while an increased risk of colorectal cancer was observed with the Western dietary pattern (OR=2.616; 95% CI= 1.361-5.030). Specific dietary patterns, which include healthy and western patterns, may be associated with the risk of colorectal cancer. This diet-disease relationship can be used for developing interventions that aim to promote healthy eating for the prevention of chronic disease, particularly colorectal cancer in the Iranian population.

  12. Lead and other trace metals in preeclampsia: A case-control study in Tehran, Iran

    International Nuclear Information System (INIS)

    Vigeh, Mohsen; Yokoyama, Kazuhito; Ramezanzadeh, Fateme; Dahaghin, Mojgan; Sakai, Tadashi; Morita, Yoko; Kitamura, Fumihiko; Sato, Hajime; Kobayashi, Yasuki

    2006-01-01

    To assess the effects of environmental exposures to trace metals on the incidence of preeclampsia, concentrations of lead (Pb), antimony (Sb), manganese (Mn), mercury, cadmium, cobalt and zinc in umbilical cord blood (UCB) and mother whole blood (MWB) were measured in 396 postpartum women without occupational exposure to metals in Tehran, Iran, using inductively coupled plasma mass spectrometry. Mother's ages ranged from 15 to 49 (mean 27) years. Preeclampsia was diagnosed in 31 subjects (7.8%). Levels of Pb, Sb and Mn in UCB were significantly higher in preeclampsia cases [mean+/-SD of 4.30+/-2.49μg/dl, 4.16+/-2.73 and 46.87+/-15.03μg/l, respectively] than in controls [3.52+/-2.09μg/dl, 3.17+/-2.68 and 40.32+/-15.19μg/l, respectively] (P<0.05). The logistic regression analysis revealed that one unit increase in the common logarithms of UCB concentration of Pb, Sb or Mn led to increase in the risk of preeclampsia several-fold; unit risks (95% CI) were 12.96 (1.57-107.03), 6.11 (1.11-33.53) and 34.2 (1.81-648.04) for Pb, Sb and Mn, respectively (P<0.05). These findings suggest that environmental exposure to Pb, Sb and Mn may increase the risk of preeclampsia in women without occupational exposure; levels of metals in UCB to be sensitive indicators of female reproductive toxicity as compared with those in mother MWB. Further studies are necessary to confirm these findings, especially on Sb and Mn

  13. An empirical study on market timing theory: A case study of Tehran Stock Exchange

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    Hadi Nasiri

    2012-09-01

    Full Text Available One of the most important issues in financing corporate is to find appropriate method to make a wise selection between getting loans and increasing the number of shares. There are different theories for making appropriate financing methods. The primary purpose of this paper is to investigate this issue based on market timing theory. The proposed model of this paper chooses selective companies from Tehran Stock Exchange. The proposed model of this paper uses regression analysis on two different models. The primary purpose of the first model given in this paper is to study the effect of market timing theory. In this part of survey, we measure the effect of the ratio of market value to book value on the sources of financing firms though increase in equities. Based on the results, we can conclude that as the ratio of market value to book value increases, firms tend to increase their equity though an increase to the number of shares. The first hypothesis of this paper is confirmed. The second model is associated with the relationship with mean ratio of market value on weighted book value and Leverage and the results of this paper do not confirm such relationship.

  14. Health, Safety and Environment (HSE assessment of neighborhoods: A case study in Tehran Municipality

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    Narmin Hassanzadeh- Rangi

    2014-09-01

    Full Text Available Urbanization is growing rapidly in recent centuries. This phenomenon can cause many changes in various aspects of human life including the economy, education and public health This study was conducted to assess the Health, Safety and Environment (HSE problems in Tehran neighborhoods. A new instrument was developed based on the results of a literature review and formulated during a pilot study. Through cluster sampling, 10 neighborhoods were selected based from 374 neighborhoods of Tehran. Six observers completed observational items during the field studies. Secondary data were used to obtain non-observation characteristics. Standard descriptive statistics were used to compare the HSE characteristics in sampled neighborhoods. Furthermore, control chart was used to as a decision rule to identify specific variation among sampled neighborhoods. Niavaran neighborhood had the best HSE status (52.80%±25.03 whereas Khak Sefid neighborhood had the worst one (20.09%±27.51. Standard deviations of HSE characteristics were high in different parts of a neighborhood. Statistical analysis indicated that significant differences in HSE characteristics exist among sampled neighborhoods. HSE status was in warning situation in both rich and poor neighborhoods. Community-based interventions were suggested as health promotion programs to involve and empower people in neighborhoods.

  15. Attitude of broiler breeders toward the production of antibiotics-free chickens (case study: Tehran province

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    A Behrouzi

    2016-01-01

    Full Text Available Abstract: This research aimed to investigate the attitude of broiler breeders toward the production of antibiotics-free chickens in Tehran province. The statistical population in this study included all broiler breeders (N=450 in Tehran province. Using stratified-random-sampling method 136 breeders were selected. The main tool for data gathering was a questionnaire contained 44 questions and items. Results showed that 52.9% of the respondents had “positive” or “relatively positive” viewpoints about the production of antibiotic-free chicken. The results also indicated that there were a significant (p < 0.05 positive relationship between the attitude of  production of antibiotic-free chicken with the education level, job satisfaction, second job as well as having technical supervisor. Moreover, a significant (p < 0.01 positive relationship was observed between the participation in training courses related to the production of antibiotic-free chicken and the viewpoint of studied broiler producers. On the other hand, no significant correlation was observed between the “viewpoint of chicken producers” and the variables such as: “age”, “job background”, “frequency of progeny”, “production/non-production of antibiotic-free chicken”, “consumption/non-consumption of antibiotic-free chicken” and “knowledge on breeding the antibiotic-free chicken”.

  16. Assessing Urban Streets Network Vulnerability against Earthquake Using GIS - Case Study: 6TH Zone of Tehran

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    Rastegar, A.

    2017-09-01

    Great earthquakes cause huge damages to human life. Street networks vulnerability makes the rescue operation to encounter serious difficulties especially at the first 72 hours after the incident. Today, physical expansion and high density of great cities, due to narrow access roads, large distance from medical care centers and location at areas with high seismic risk, will lead to a perilous and unpredictable situation in case of the earthquake. Zone # 6 of Tehran, with 229,980 population (3.6% of city population) and 20 km2 area (3.2% of city area), is one of the main municipal zones of Tehran (Iran center of statistics, 2006). Major land-uses, like ministries, embassies, universities, general hospitals and medical centers, big financial firms and so on, manifest the high importance of this region on local and national scale. In this paper, by employing indexes such as access to medical centers, street inclusion, building and population density, land-use, PGA and building quality, vulnerability degree of street networks in zone #6 against the earthquake is calculated through overlaying maps and data in combination with IHWP method and GIS. This article concludes that buildings alongside the streets with high population and building density, low building quality, far to rescue centers and high level of inclusion represent high rate of vulnerability, compared with other buildings. Also, by moving on from north to south of the zone, the vulnerability increases. Likewise, highways and streets with substantial width and low building and population density hold little values of vulnerability.

  17. Innate and discretionary accruals quality and corporate governance: A case study of Tehran Stock Exchange

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    Hossein Panahian

    2012-09-01

    Full Text Available In this paper, we present an empirical study to find the relationship between discretionary accruals quality as well as innate accruals quality and portion of non-executive board of directors, concentration of ownership ratio and board size in Tehran Stock Exchange. The survey selects 118 qualified stocks from this exchange and using a random technique chooses 42 firms. The study implements two linear regression techniques to estimate the first part of the information and then using structural equation modeling examines six hypotheses. Based on the results of this survey we can conclude that an increase on non-executive members positively influences on discretionary accruals quality and negatively influences innate accruals quality. Concentration of ownership ratio positively influences on discretionary accruals quality and negatively impacts on innate accruals quality. Finally, size of board of directors negatively impacts discretionary accruals quality and positively influences on innate accruals quality.

  18. Statistical models and time series forecasting of sulfur dioxide: a case study Tehran.

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    Hassanzadeh, S; Hosseinibalam, F; Alizadeh, R

    2009-08-01

    This study performed a time-series analysis, frequency distribution and prediction of SO(2) levels for five stations (Pardisan, Vila, Azadi, Gholhak and Bahman) in Tehran for the period of 2000-2005. Most sites show a quite similar characteristic with highest pollution in autumn-winter time and least pollution in spring-summer. The frequency distributions show higher peaks at two residential sites. The potential for SO(2) problems is high because of high emissions and the close geographical proximity of the major industrial and urban centers. The ACF and PACF are nonzero for several lags, indicating a mixed (ARMA) model, then at Bahman station an ARMA model was used for forecasting SO(2). The partial autocorrelations become close to 0 after about 5 lags while the autocorrelations remain strong through all the lags shown. The results proved that ARMA (2,2) model can provides reliable, satisfactory predictions for time series.

  19. Performance measurement of receivable accounts’ risk management: A case study of Tehran Stock Exchange

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    Mohammad Ahmadi

    2013-06-01

    Full Text Available This paper presents a logistic regression model to measure risk management of receivable accounts on some selected firms from drug industry listed on Tehran Stock Exchange. The proposed study of this paper considers the effects of different variables such as current ratio, quick ratio, working capital on total assets and cash flow on economic value added. We gather the necessary information of 29 firms over the period 2006-2011. The results of our survey indicate that the proposed model of this paper is capable of forecasting high profit firms with a probability of 87.5%, 58.62% is the likelihood of predicting less profitable firms and on average, the firm could forecast profitable firms for 75.54%, successfully.

  20. Modelling the Shifts in Activity Centres along the Subway Stations. The Case Study of Metropolitan Tehran

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    Ali Soltani

    2016-10-01

    Full Text Available Activity centers are areas of strong development of a particular activity, such as residence, employment, or services. Understanding the subway system impacts on the type, combination, distribution and totally the development of basic activities in these centers, have an important role in managing development opportunities created along the Tehran subway lines. The multi criteria and fuzzy nature of evaluating the activity centers development make the issue as complex as cannot be addressed with conventional logical systems. One of the most important methods of multi criteria evaluation is Fuzzy Inference System. Fuzzy inference system is a popular computing framework based on the concepts of Fuzzy Sets Theory, which is capable of accommodating inherent uncertainty in multi-criteria evaluation process. This paper analyze shifts in activity centers along two lines of the Tehran subway system based on three major criteria by designing a comprehensive fuzzy inference system. The data for the present study were collected through documentary analysis, questionnaires and semi-structured interview. The result revealed that the level of the subway system influence on the pattern and process of the development of activities varied with the location, physical environment and entity of each station. Furthermore, empirical findings indicated that the subway line might weaken residential activities while attracting employment and service activities to the city center. Specifically, residential estates moved away from the city center to the suburbs whereas employment and service activities expanded from the existing central business district (CBD. The results can be applied to suggest planning policies aiming at improving the effects of public transit on property developemnet and land use change in a developing country.

  1. People's perspectives and expectations on preparedness against earthquakes: Tehran case study.

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    Jahangiri, Katayoun; Izadkhah, Yasamin Ostovar; Montazeri, Ali; Hosseinip, Mahmood

    2010-06-01

    Public education is one of the most important elements of earthquake preparedness. The present study identifies methods and appropriate strategies for public awareness and education on preparedness for earthquakes based on people's opinions in the city of Tehran. This was a cross-sectional study and a door-to-door survey of residents from 22 municipal districts in Tehran, the capital city of Iran. It involved a total of 1 211 individuals aged 15 and above. People were asked about different methods of public information and education, as well as the type of information needed for earthquake preparedness. "Enforcing the building contractors' compliance with the construction codes and regulations" was ranked as the first priority by 33.4% of the respondents. Over 70% of the participants (71.7%) regarded TV as the most appropriate means of media communication to prepare people for an earthquake. This was followed by "radio" which was selected by 51.6% of respondents. Slightly over 95% of the respondents believed that there would soon be an earthquake in the country, and 80% reported that they obtained this information from "the general public". Seventy percent of the study population felt that news of an earthquake should be communicated through the media. However, over fifty (58%) of the participants believed that governmental officials and agencies are best qualified to disseminate information about the risk of an imminent earthquake. Just over half (50.8%) of the respondents argued that the authorities do not usually provide enough information to people about earthquakes and the probability of their occurrence. Besides seismologists, respondents thought astronauts (32%), fortunetellers (32.3%), religious figures (34%), meteorologists (23%), and paleontologists (2%) can correctly predict the occurrence of an earthquake. Furthermore, 88.6% listed aid centers, mosques, newspapers and TV as the most important sources of information during the aftermath of an earthquake

  2. The impact of job rotation on nurses burnout in Ayatollah Kashani hospital, Tehran: A case study

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    M. Shahabi

    2011-01-01

    Full Text Available Background and aims Job burnout is one of the syndromes which is known by emotional exhaustion, depersonalization, and deterioration of job performance. Due to the negative impact this syndrome on patients, employees, and organization in healthcare settings this issue has drawn attention of many researchers to itself during recent years. Despite the large number of publications in this area however, limited attention has been paid to the factors influencing job burnout. The goal of the present study was to determine the level of job burnout and impacts of job rotation on nurses burnout in Ayatollah Kashani hospital , Tehran.   Methods In order to do this research a historical cohort study was done to determine degree of job burnout among nurses with and without job rotation in Ayatollah Kashani Hospital in Tehran. The number for nurses with job rotation was (n=59 and without job rotation (n=29. Data was collected via a self-report ques tionnaire. Maslach Burnout Inventory (MBI was used to assess the job burnout of the subjects.   Results The overall findings revealed that nurses had low level of emotional exhaustion, low level of depersonalization and middle level of declining in personal accomplishment. No significant difference was observed between the job burnout of the tow group of nurses - with and without rotation. In comparing the level of job burnout among the nurses of different wards (i.e. between wards comparison the findings revealed that nurses of the emergency ward, had higher rate of depersonalization (P=0.012. Conclusion The nurses burnout showed to be at the medium level with respect to the personal accomplishment subscale, which seems to require a managerial intervention in this hospital. Apparently job rotation as it is done currently has no significant impact on the nurses’ job burnout in Ayatollah Kashani hospital and these researchers suggest that other alternative approaches to be consider  to be used to improve

  3. Empirical Analysis of the Financial Behavior of Investors with Brand Approach (Case Study: Tehran Stock Exchange

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    Asgarnezhad Nouri Bagher

    2017-03-01

    Full Text Available Behavioral science in the field of finance and investment is among new topics raised in recent years. The relationship between financial sciences and other fields of social sciences such as financial psychology has caused researchers to do many researches regarding the behavior of investors in the financial markets and their reactions to different situations. Based on the theories of financial behavior, shareholders' decision to buy and sell stocks is under the influence of internal and external psychological factors. Through designing and experimental testing of the model of investors' financial behavior in the Tehran Stock Exchange with an emphasis on brand, this study was an attempt to investigate the influence of these factors. To this end, financial, psychological and social factors were considered as the most important external factors influencing the behavior of investors and, considering the mediating role of brand awareness, their impact on perceived risk and perceived return as well as investment intention was tested. The research population consisted of all individual investors in the Tehran Stock Exchange. In order to determine the sample size, considering unlimited population, Cochran formula was used and hence the sample size was determined to be 145. For data collection, standard questionnaire was used. Confirmatory factor analysis was used to test the reliability of the questionnaire and the research hypotheses were tested using path analysis. The results showed that psychological factors have a positive impact on perceived risk and returns. Financial factors had a positive impact on perceived risk but no impact on perceived return. The impact of social factors on perceived risk and perceived return was not confirmed. Moreover, the results showed that brand awareness has a moderating role in the relationship between social factors and perceived risk and return. However, its moderating role was not confirmed in the relationship

  4. New Climatic Indicators for Improving Urban Sprawl: A Case Study of Tehran City

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    Ángel M. Costa

    2013-03-01

    Full Text Available In the modern world, the fine balance and delicate relationship between human society and the environment in which we exist has been affected by the phenomena of urbanisation and urban development. Today, various environmental factors give rise to horizontal dispersion, spread and growth of cities. One of the most important results of this is climatic change which is directly affected by the urban sprawl of every metropolis. The aim of this study is to identify the relationship between the various horizontally distributed components of Tehran city and changes in essential microclimate clusters, by means of the humidex index. Results showed that, when the humidex was calculated for each of the obtained clusters, it was evident that it had increased with time, in parallel with Shannon’s entropy, as a consequence of the average temperature and relative humidity of each cluster. At the same time, results have shown that both temperature and relative humidity of the study area are related with urban sprawl, urbanisation and development, as defined by Shannon’s entropy and, in consequence, with humidex. In consequence, this new concept must be considered in future research works to predict and control urban sprawl and microclimate conditions in cities.

  5. Geological Hazards analysis in Urban Tunneling by EPB Machine (Case study: Tehran subway line 7 tunnel

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    Hassan Bakhshandeh Amnieh

    2016-06-01

    Full Text Available Technological progress in tunneling has led to modern and efficient tunneling methods in vast underground spaces even under inappropriate geological conditions. Identification and access to appropriate and sufficient geological hazard data are key elements to successful construction of underground structures. Choice of the method, excavation machine, and prediction of suitable solutions to overcome undesirable conditions depend on geological studies and hazard analysis. Identifying and investigating the ground hazards in excavating urban tunnels by an EPB machine could augment the strategy for improving soil conditions during excavation operations. In this paper, challenges such as geological hazards, abrasion of the machine cutting tools, clogging around these tools and inside the chamber, diverse work front, severe water level fluctuations, existence of water, and fine-grained particles in the route were recognized in a study of Tehran subway line 7, for which solutions such as low speed boring, regular cutter head checks, application of soil improving agents, and appropriate grouting were presented and discussed. Due to the presence of fine particles in the route, foam employment was suggested as the optimum strategy where no filler is needed.

  6. Universal Design and Social Sustainability in the City: The Case Study of Tehran Iran.

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    Eslami, Lida; Mahmoudi, Mohammad Mehdi

    2016-01-01

    Following the proposal of Universal Design in 1974, a public society was founded in Iran in 1981, in order to aid the disabled victims of the Iran-Iraq war. Official authorities have also made legislation on this topic. During the last three decades many efforts have been made to apply this concept in public spaces. Unfortunately these have not succeeded. It means despite the existence of inherent rules and regulations and the general will to apply the principles of Universal Design in Tehran, urban spaces are still an improper environment for the independent presence and movement of people with disabilities. This problem is considered a serious threat for social sustainability in Tehran. The main goal of this research is finding solutions for increasing social interaction and greater participation of people with disabilities in public spaces by applying Universal Design. The research is seeking to answer these questions: What is causing inefficiency in the regulation of Universal Design in Tehran? Why is social participation by people with disabilities limited in Tehran? Which factors are contributing to Universal Design in Tehran? The research is based on applied theory, field research methods and a mixed qualitative-quantitative approach. In addition, and the results include both empirical and functional solutions. The consequences show that many of problems are rooted in cultural issues. The people must attend to disability as a public concern which can involve everybody. They must comprehend that all the members of the society, regardless of their physical condition, have the right to use public facilities independently. The second problem is related to lack of any integrated approach to applying Universal Design. This research proposes some solutions such as preparation a Universal Design master plan, an integrated approach for implementation project in all organizations, and public education for improving citizens' knowledge about Universal Design.

  7. Reasons for smoking among male teenagers in tehran, iran: two case-control studies using snowball sampling.

    Science.gov (United States)

    Rezaei, Fatemeh; Nedjat, Saharnaz; Golestan, Banafsheh; Majdzadeh, Reza

    2011-10-01

    Identifying the underlying factors contributing to smoking among teenagers is important in establishing smoking control programs. The present study was designed to identify and compare factors revealed in a preceding qualitative study conducted on 13-15 year-old boys living in two different socio-economic districts in the Northern and Southern parts of Tehran. Two completely similar case-control studies, each with 200 subjects, were conducted using a snowball sampling. The case and control subjects were matched based on the intimacy relations, i.e. six smokers were recruited in each of the Northern and Southern districts; they were then asked to introduce one of their smoker friends as a case and a non-smoker one as a control. Multi-variable conditional logistic regression revealed that having a smoker father is the single effective factor in the two districts. As for boys living in the Northern (wealthier) part of the city, social capital (OR: 0.59, 95% CI: 0.43-0.81) played a protective role against smoking, whereas quitting home after a quarrel (OR: 15.07, 95% CI: 1.54-147.25), monthly allowance (OR: 2.22, 95% CI: 1.29-3.82) and hyperactivity (OR: 1.69, 95% CI: 2.64-240.45) were associated with a higher risk of becoming a smoker. The studied variables can be classified as personal, familial, and school-level factors. Familial intervention is effective for all the factors which revealed to be influential on the risk of becoming a smoker. It could be concluded that interventions on the family level should be used to prevent the cigarette use in Tehran.

  8. Developing implementation indicators for public policy, case study: Tehran and Qom Agricultural Organizations

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    Mahammad Ali Haghighi

    2016-03-01

    Full Text Available Public policies are problem oriented and solve a public problem. Making decision and policies does not solve problems by itself but they must be executed effectively. As executing policies is a main step of policy making, formulating indicators for implementing policy is necessary. In this article we conducted a content analysis of elites’ opinions to improve implementation of public policies. Therefore, three major factors have been introduced including policy making, environmental policy implementation and organizational structure factors. Sample data were taken from agricultural organizations of Tehran and Qom. For data gathering library research, interview and questionnaire were used. To analyze the data, k-s, Pearson’s correlation coefficient, confirmatory factors analysis and means comparisons were applied using SPSS and LISREL. Results show all of proposed indicators and measures are valid for implementation of public policies and about important of indicators between two participant groups, indicators in Tehran groups is more important.

  9. Mathematical modeling in municipal solid waste management: case study of Tehran

    OpenAIRE

    Akbarpour Shirazi, Mohsen; Samieifard, Reza; Abduli, Mohammad Ali; Omidvar, Babak

    2016-01-01

    Background Solid Waste Management (SWM) in metropolises with systematic methods and following environmental issues, is one of the most important subjects in the area of urban management. In this regard, it is regarded as a legal entity so that its activities are not overshadowed by other urban activities. In this paper, a linear mathematical programming model has been designed for integrated SWM. Using Lingo software and required data from Tehran, the proposed model has been applied for Tehra...

  10. ASSESSING URBAN STREETS NETWORK VULNERABILITY AGAINST EARTHQUAKE USING GIS – CASE STUDY: 6TH ZONE OF TEHRAN

    OpenAIRE

    A. Rastegar

    2017-01-01

    Great earthquakes cause huge damages to human life. Street networks vulnerability makes the rescue operation to encounter serious difficulties especially at the first 72 hours after the incident. Today, physical expansion and high density of great cities, due to narrow access roads, large distance from medical care centers and location at areas with high seismic risk, will lead to a perilous and unpredictable situation in case of the earthquake. Zone # 6 of Tehran, with 229,980 population ...

  11. Iranian Students’ Specific Life Style and Leisure Time; a Case Study of University of Tehran

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    Ali Akbar Ramazaniandarzi

    2018-01-01

    Full Text Available Leisure time as a modern social is being focused these days, albeit any sort of interest isn't specifically arranged under it. Inside this exploration the framing encounters of necessities and styles of college students were examined. In this examination it has been attempted by using Bourdieu hypothesis the exploration questions are proposed. The members of the examination are for the most part female and male understudies University of Tehran. The specimen was picked by the use of Cochran with the standard deviation of 0.4.5% 470 students. The outcomes demonstrated that members can isolate in two sections dynamic and idle style which the vast majority of interviewees are willing toward a dormant style of relaxation time. While the significant piece of understudies' chance is spent on the utilization of innovative devices conveniently. For sure, watching satellite motion pictures and arrangement, investing energy in broad daylight talk rooms, PC amusements, are only a misuse of understudies' opportunity.

  12. An application of multiple attribute group decision making in ranking investors’ concerns: A case study of Tehran Stock Exchange

    OpenAIRE

    Amir Mohammadzadeh; Naser Hamidi; Sadegh Abedi; Fehimeh Jabari

    2013-01-01

    During the past few years, stock exchange investors confront numerous problems in terms of legal, environmental issues, etc. In this paper, we present an empirical study to detect important issues as barriers for investment in Tehran Stock Exchange. The study has categorized the issues into two groups of real world and legal issues. Since there are different issues involved as major barriers, the study uses analytical hierarchy process to rank them. The study extracts 18 important factors, wh...

  13. Ornament in Contemporary Iranian Architecture (Case Study: Prominent Buildings in Tehran after the Islamic Revolution

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    Fatemeh Ahani

    2017-12-01

    Full Text Available This paper addresses the status of ornamental practices in contemporary Iranian architecture, specifically after the Islamic revolution, using a descriptive–analytical method. In this regard, the external appearances of 92 prominent buildings constructed in Tehran between 1979–2013, were examined, and their means of visual expression were analyzed. The results indicate that half of the samples lack ornament; in the others, a noticeable increase in the ornamental element size and visual complexity, as well as a significant decrease in their semantic contents (as compared with traditional ornament were observed. These are changes that mostly resulted from modernization and subsequent processes such as industrialization and rationalization, as well as the long-lasting influence of modernists’ arguments against such practices. The presence of ornament in architecture, however, is necessary due to its crucial role in increasing the visual coherence of the environment and fulfilling the human desire for order and beauty. Therefore, this paper suggests the replacement of the current dualistic model of thought, which is dominant in the profession and schools of architecture in Iran, with one that provides an opportunity for the coexistence of concepts such as ornament and structure, form and function, and the sensuous and the rational, hence providing a revitalization of ornament in contemporary architecture.

  14. System analysis of industrial waste management: A case study of industrial plants located between Tehran and Karaj

    OpenAIRE

    Mohammad Amin Karami; Mohsen Sadani; Mehdi Farzadkia; Nezam Mirzaei; Anvar Asadi

    2015-01-01

    Aims: In this study, management of industrial waste in industries located between Tehran and Karaj in 2009-2010 was examined. Materials and Methods: This is a cross-sectional study which was done by site survey (Iranian environmental protection organization) questionnaire usage and results analysis. This questionnaire was consisted of 45 questions about industrial waste, quantity, quality, and management. A total number of industries with over 50 employees was 283, and Stratified sampling...

  15. System analysis of industrial waste management: A case study of industrial plants located between Tehran and Karaj

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    Mohammad Amin Karami

    2015-01-01

    Full Text Available Aims: In this study, management of industrial waste in industries located between Tehran and Karaj in 2009-2010 was examined. Materials and Methods: This is a cross-sectional study which was done by site survey (Iranian environmental protection organization questionnaire usage and results analysis. This questionnaire was consisted of 45 questions about industrial waste, quantity, quality, and management. A total number of industries with over 50 employees was 283, and Stratified sampling method was used. Sample of size 50 was selected from 283cases. Results: The major hazardous waste-generating industries include chemical and plastic. Private sectors disposed 45% of generated waste. Majority of wastes were buried (62%, and only 17% of industrial waste was recycled. Conclusion: For hazardous waste reduction in this zone and health and economic attractions, the opportunity for reuse and recovery for these wastes must maximize in short-term and burial of industrial waste must be minimized. Industries such as chemical-plastic and electronics which have higher hazardous waste, in long-term, must be replaced with other industries such as wood cellulose and paper that have lower hazardous waste production rate.

  16. Women Endowments of the Constitutional Functions until the End of the First Pahlavi, Case Study: Female Benefactor of Tehran

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    Elham Malekzade

    2017-09-01

    Full Text Available This study investigates the functions of endowments from the constitutional era to until the end of the first Pahlavi in Tehran. The dynamics of the waqf (endowment during Islamic era led to the prosperity of culture and economy, and even the cultural spheres of society. After the Constitutional Revolution and the political and social changes of the Iranian society, Waqf has also evolved and has gained a new place in cultural and social relations. This research seeks to identify, in addition to identifying the functions of the women's endowments from the Constitutional period to the end of the first Pahlavi period, the features of the women's endowments of Tehran in this era, as well as (on the basis of existing documents the areas included. In the process of this study, it was concluded that women were the main influential activists during social changes in the constitutional era and the first Pahlavi period and their endowments in the studied periods include significant differences, depending on the changes in attitudes, motivations of benefactors and social demands. In addition, it seems at least 20% of the endowment documents in the constitutional and Pahlavi era in Tehran were owned by women and at the same time, due to changes in the first Pahlavi era, female benefactors according to the social needs, gradually focused their attention on the social dimensions.

  17. An application of multiple attribute group decision making in ranking investors’ concerns: A case study of Tehran Stock Exchange

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    Amir Mohammadzadeh

    2013-02-01

    Full Text Available During the past few years, stock exchange investors confront numerous problems in terms of legal, environmental issues, etc. In this paper, we present an empirical study to detect important issues as barriers for investment in Tehran Stock Exchange. The study has categorized the issues into two groups of real world and legal issues. Since there are different issues involved as major barriers, the study uses analytical hierarchy process to rank them. The study extracts 18 important factors, which influence investors’ participation in Tehran Stock Exchange and using Borda method, prioritize them. The results of the survey indicate that in terms of real issues, Increase in quality of firms Financial Statement is number one priority followed by Increase stock exchange and agents’ proficiency and electronic equipment, Unchangeable investment market rules and bounding organization managers to flow them and Strict supervision on agents’ activities. In terms of legal issues, good supervision of provisions to force firms to reveal information correctly and restrict their secret bargaining is the most important factor followed by Using indirect investment guideline instead of direct investment, Increase in quality of firms’ Financial Statement and Investors’ training toward their rights.

  18. Investigating Factors Affecting Environmental Behavior of Urban Residents: A Case Study in Tehran City- Iran

    OpenAIRE

    Khalil Kalantari; Hossein S.   Fami; Ali Asadi; H. M. Mohammadi

    2007-01-01

    Environmental problems such as air and water pollution, urban garbage and climate changes in urban areas are the results of human behavior. Only change in human behavior can reduce these environmental problems. Thus studying attitude and behavior of people is a precondition to change this situation. So the main objective of this study was to find out individual and social factors affecting environmental behavior of urban citizens. To achieve this objective a conceptual framework derived out f...

  19. ASSESSING URBAN STREETS NETWORK VULNERABILITY AGAINST EARTHQUAKE USING GIS – CASE STUDY: 6TH ZONE OF TEHRAN

    Directory of Open Access Journals (Sweden)

    A. Rastegar

    2017-09-01

    Full Text Available Great earthquakes cause huge damages to human life. Street networks vulnerability makes the rescue operation to encounter serious difficulties especially at the first 72 hours after the incident. Today, physical expansion and high density of great cities, due to narrow access roads, large distance from medical care centers and location at areas with high seismic risk, will lead to a perilous and unpredictable situation in case of the earthquake. Zone # 6 of Tehran, with 229,980 population (3.6% of city population and 20 km2 area (3.2% of city area, is one of the main municipal zones of Tehran (Iran center of statistics, 2006. Major land-uses, like ministries, embassies, universities, general hospitals and medical centers, big financial firms and so on, manifest the high importance of this region on local and national scale. In this paper, by employing indexes such as access to medical centers, street inclusion, building and population density, land-use, PGA and building quality, vulnerability degree of street networks in zone #6 against the earthquake is calculated through overlaying maps and data in combination with IHWP method and GIS. This article concludes that buildings alongside the streets with high population and building density, low building quality, far to rescue centers and high level of inclusion represent high rate of vulnerability, compared with other buildings. Also, by moving on from north to south of the zone, the vulnerability increases. Likewise, highways and streets with substantial width and low building and population density hold little values of vulnerability.

  20. An investigation on the relationship between arbitrage and macro-economic indicators: A case study of Tehran Stock Exchange

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    Samira Fazli

    2014-04-01

    Full Text Available This paper presents an empirical investigation to study the effects of macro-economic factors on the performance of stocks listed on Tehran Stock Exchange (TSE. The proposed study considers the effects of money supply, inflation rate, oil price, unforeseen changes in the course structure of interest rates as well as unanticipated changes in industrial production on stock price. Using seasonal information of stock price over the period 1997-2007 as well as regression analysis, the study has determined that risk premium of unforeseen changes in the course structure of interest rates, money supply, inflation rate and unanticipated changes in industrial production are meaningful when the level of significance is five percent. In other words, Arbitrage pricing theory model describing the expected return per share is reasonable and macro-level variables explain systematic risk on TSE.

  1. Environmental Factors’ Effect on Stress Reduction of Employees: A Case Study on Farhangian University Staff in Tehran

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    Pegah Payedar Ardakani

    2017-06-01

    Full Text Available One of the most important issues the contemporary societies encounter is the job stress. There are various factors affecting it, but not enough researches have been done on the role that environmental factors play. This paper presents an experimental study with 100 participants on the influence of environmental factors on employees’ stress level. This method uses information derived from field observations and answers to questionnaires distributed to employees and officials who are in the top management of the central organization of Farhangian University, Tehran branch. The results demonstrate that color, window, lighting and brightness, landscape, communications and interactions, flexibility, thermal convenience, noise convenience, cleanness, physical activity, privacy and accessibility play an important role in the stress of employees, suggesting that the architectures and designers should consider the aforementioned factors so they can create dynamic and pleasant office environments devoid of any stress.

  2. An investigation on relationship between CRM and organizational learning through knowledge management: A case study of Tehran travel agency

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    Mirza Hasan Hosseini

    2013-03-01

    Full Text Available Customer relationship management (CRM plays essential role on the success of many business units. CRM integrates necessary data from internal and external sources to assist managers and employees for business development. This paper attempts to analyze relationship between CRM, organizational learning, and knowledge management. Research population includes travel agencies in Tehran, Iran and their manager are considered for the purpose of this study. This research has four variables 1- Successful implementation of KM, 2- Organizational learning, 3- customer orientation, and 4- information share with customers. The preliminary results of this survey indicate that any development of CRM will significantly contribute relative efficiency of this travel agency. The results also indicate that there is a meaningful relationship among components of CRM including organizational learning, and knowledge management in this travel agency.

  3. Skylight Application for Natural Lighting in a Building; the University of Tehran Branch of Melli Bank Case Study

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    Nasersharifi Yahya

    2014-07-01

    Full Text Available This study investigated the quality and potential lighting energy savings in a bank building retrofitting project in Tehran by using solar passive lighting. The retrofitting scenarios are based on OFFICE project findings. Despite the increase in occupancy and service quality of the bank after retrofitting, the peak electricity consumption significantly decreased (approximately 20%. The results showed that even the proper solar passive lighting in most of day hours had been enough to satisfy the existing building luminance before retrofitting due to the initial passive design of the building, however, by retrofitting and improving the lighting system using skylight and artificial lighting the quality of lighting increased meaningfully to cover the standards of lighting for precision activities required for banking.

  4. An Investigation on Elementary School Students' Level of Math Learning, Using Math E-Books (A Case Study: Pishtazan Computer Primary School, 4th Zone of Tehran

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    Arezoo Naseri

    2016-11-01

    Full Text Available Since the focus on technology exists in all schools and classes, teachers need to know how to apply it in their teaching practices. The use of ICT in education is an undeniable necessity. Since the use of information and communication technology can smooth the paths of teaching-learning process for students, the researchers in this study tried to apply one of the information and communication technology tools, called electronic books (E-books in teaching math. The aim of this study is to examine elementary school students' level of math learning, using math e-books with the focus on teaching multiplication (Case Study: Pishtazan computer primary school, the 4th zone of Tehran. Using a quasi-experimental study, 61 third grade students from two primary schools for girls located in the 4th education zone of Tehran were selected. Math tests were used to collect data. Using T-test for independent samples, the results showed that level of math learning was higher in the students who have been trained with the help of e-book, compared to the students who have been trained through traditional teaching method.

  5. VASCULAR INJURIES IN TEHRAN: A REVIEW OF 123 CASES

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    M. Karbakhsh M. R. Zarei

    2006-09-01

    Full Text Available Abstract- Studies of the epidemiology of civilian vascular trauma in developing countries are rather few. This is a prospective study of our experience with vascular trauma in a referral university hospital in Tehran, Iran. The aim was to study the etiology, pattern of injuries and the mortality and morbidity rates due to vascular trauma in our population. In this cross-sectional study, all trauma patients suspicious of having vascular injuries who were admitted to Sina Hospital between March 2002 and May 2003 were included. Among 123 studied cases, there were 109 males and 14 females.Blunt injuries were more common than penetrating ones (56.1% vs. 43.9%. The most common anatomical site of vascular injuries had been knee and lower leg. In fact, cases with lower extremities vascular trauma were twice as common as those with vascular trauma in upper limbs (59.1% vs. 27.3%. The commonest injured vessels were popliteal artery followed by femoral artery. Arterial repair with graft interposition was done in 23 cases and bypass graft in 13 cases. Procedures on veins were performed in 24 cases. Five patients (4.06% died and in 3 cases the patients died because of non-vascular reasons. The present study allows an understanding of the epidemiology of vascular trauma in the one of the major trauma centers in the metropolitan city of Tehran. The majority of our cases were young males sustaining vascular injuries due to road traffic accidents or being stabbed with knives. It also has important implications for vascular injury prevention in our community.

  6. Phenomenological Study of Youth Lifestyles in Tehran

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    Mehdi Fallah

    2014-12-01

    Full Text Available This study has tried to investigate and reconstruct the meaning of life style in a phenomenological approach among young people in Tehran city. Most research done on this issue has been described by adopting deductive strategy and underlying prefabricated theories.While the phenomenological method focuses on how humans meant their experiences and transform them to collective and personal form of their consciousness. It also requires a methodologicalunderstandingthat how humans experience these phenomena. Researcher to collect such data is necessary to engage in-depth interviews with people who have directly experienced the phenomenon of interest that means they have Lived experience that is in contrast with second order experience and the operating variables that derived from metanarratives. Thus, we have distinguished four major lifestyles of young people’s lives in Tehran according to Husserl’s epoche manner and meet schutz’s typification criteria that contain; pleasure seeking - aesthetic lifestyle, functionalistic, subcultural and passive.

  7. Investigation corporate governance characteristics on risk taking: A case study of private banks listed in Tehran Stock Exchange

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    Mohammad Khodaei Valahzaghard

    2013-02-01

    Full Text Available During the past few years, there have been tremendous works on detecting the relationship between banks performance and the number of seats on board of directors. Board of directors of banks is responsible for shareholders ownership’s interest. In this study, governance and ownership characteristics affecting risk appetite on some private banks listed in Tehran Stock Exchange is studied. The study investigates 12 private banks for a period 2005-2011 based on the implementation of some regression analysis using panel data. The results indicate that the effect of five major shareholders on risk-taking is positive and significant. The effect of institutional ownership on risk-taking is negative and significant. Effects of other variables, including the percentage of ownership concentration, return on assets and the logarithm of cash from operations (CFO on risk-taking of the private banks are not significant. The effects of board size, reliance on debt and log of assets on risk-taking are significantly negative among private banks in Iran. These results indicate that shareholders that are institutional investors play a key role in monitoring managers.

  8. Analysis and modeling of safety parameters in the selection of optimal routes for emergency evacuation after the earthquake (Case study: 13 Aban neighborhood of Tehran

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    Sajad Ganjehi

    2013-08-01

    Full Text Available Introduction : Earthquakes are imminent threats to urban areas of Iran, especially Tehran. They can cause extensive destructions and lead to heavy casualties. One of the most important aspects of disaster management after earthquake is the rapid transfer of casualties to emergency shelters. To expedite emergency evacuation process the optimal safe path method should be considered. To examine the safety of road networks and to determine the most optimal route at pre-earthquake phase, a series of parameters should be taken into account.   Methods : In this study, we employed a multi-criteria decision-making approach to determine and evaluate the effective safety parameters for selection of optimal routes in emergency evacuation after an earthquake.   Results: The relationship between the parameters was analyzed and the effect of each parameter was listed. A process model was described and a case study was implemented in the 13th Aban neighborhood ( Tehran’s 20th municipal district . Then, an optimal path to safe places in an emergency evacuation after an earthquake in the 13th Aban neighborhood was selected.   Conclusion : Analytic hierarchy process (AHP, as the main model, was employed. Each parameter of the model was described. Also, the capabilities of GIS software such as layer coverage were used.     Keywords: Earthquake, emergency evacuation, Analytic Hierarchy Process (AHP, crisis management, optimization, 13th Aban neighborhood of Tehran

  9. Identification of Learning Management Systems Functional Areas and Limitations (Case Study: E-Learning Center of University of Tehran

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    Ali akbar Farhangi

    2018-06-01

    Full Text Available Currently, ICT and educational processes are experiencing development and innovation. This new trend will help promote educational technology and enhance innovations regarding educational planning. E-learning is considered as one of the most prominent ICT applications across the world. Advantages of virtual learning have entailed daily usage in various universities. Learning management systems are specific web-based systems to manage, track students, define courses, and evaluate the learners. However, these systems may involve inefficiencies and disadvantages as well. This paper attempts to identify the LMS functional areas in University of Tehran based on a specific conceptual framework and to present the relevant issues and problems for each dimension. The data for the present study were collected using focused group interviews, system observations. The researchers also compared the documents and the university system with that of other universities. The results of the theme analysis indicated that “communication” and “system cooperation” dimensions are involved with more important problems and issues. The researchers believe that the main issues are due to the test modules, evaluations, and systemic and underlying databases.

  10. Performance measurement in governmental agencies using BSC-AHP: A case study of Civil Registry Office in Tehran

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    Ahmad Valashjerdi Majd Abad Kohneh

    2013-04-01

    Full Text Available Measuring the performance of governmental organizations plays an important role on increasing public satisfaction in any society. One of the effective models for assessing the organizations performance is balance scorecard (BSC model, which investigates all aspects of organizations. In this paper, we use a hybrid of analytical hierarchy process along with BSC to measure the performance of five different civil registry offices in Tehran, Iran. We use fuzzy terms to handle uncertainty in input numbers and using some technique convert fuzzy numbers into crisp values. The results of our survey indicate that learning and development is number one priority with relative importance of 0.491, followed by customer with relative importance of 0.293, internal process with relative importance of 0.173 and financial affairs comes at last with relative weight of 0.043. The study uses organizational researchers, training, quality, customer satisfaction, performance measurement, expenses and annual budget as major components for analyzing five regions. We have also performed sensitivity analysis to see the effects of different changes on ranking.

  11. Introducing the paradigm of organizational value creation effect on customer loyalty: A case study of Tehran province food industry unites

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    Maryam Zarandi

    2012-04-01

    Full Text Available Today, organization cannot firmly survive without having a broad captive market. Rather, through value creation for customers and achieve their loyalty, we can maintain and increase the existing market share. Providing a specific product or service requires modern ideas and approaches to be applied in organizations. Resource limitations prevent organizations from being the best on all value creation contexts; so they must focus on some range of customer-centric values regarding the given customer groups; because customer needs will change as time goes by and it requires different kinds of values to be taken into consideration. In this research, organizational value creation effects on customer loyalty is studied by more recent and complete customer value model designed by Flint et al. (2010 [Flint et al. (2010. Customer value anticipation, customer satisfaction and loyalty: An empirical examination. Industrial Marketing Management, 40, 219-230]. In this regard, some questionnaires are distributed among a statistical population including 90 customers of Tehran Food Industries. Results show that organizational value creation affects on customer loyalty. Among effective factors, product quality has the most effects on organizational value creation following by product price, marketing and after-sales services.

  12. Canonical correlation analysis between collaborative networks and innovation: A case study in information technology companies in province of Tehran, Iran

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    Ahmad Jafar Nejad

    2013-07-01

    Full Text Available The increase competitions as well as technological advancements have created motivation among business owners to look for more innovative ideas from outside their organizations. Many enterprises collaborate with other organizations to empower themselves through innovative ideas. These kinds of collaborations can be observed as a concept called Regional Innovation System. These collaborations include inter-firm collaborations, research organizations, intermediary institutions and governmental agencies. The primary objective of this paper is to evaluate relationships between Collaborative Networks and Innovation in information technology business units located in province of Tehran, Iran. The research method utilized for the present study is descriptive-correlation. To evaluate the relationships between independent and dependent variables, canonical correlation analysis (CCA is used. The results confirm the previous findings regarding the relationship between Collaborative Networks and Innovation. Among various dimensions of Collaboration, Collaboration with governmental agencies had a very small impact on the relationship between collaboration networks and innovation. In addition, the results show that in addition to affecting product innovation and process innovation, collaboration networks also affected management innovation.

  13. A study of the impacts of leverage on labor and capital productivity: A case study of companies listed in Tehran Stock Market

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    Peyman Akbari

    2013-03-01

    Full Text Available Productivity is a primary objective of increasing competition in modern economy and any increase in productivity level helps development of organization in the competitive market. The purpose of this paper is to investigate the relationship between operating leverage, financial leverage, compound leverage as independent variables and productivity indices including labor and capital productivities as dependent variables. The study includes 102 companies accepted in Tehran Stock Market based on screening, systematic deletion, over the period 2005-2010. The required data are gathered through official financial statements, committee reports, and other available documents in Tehran Stock Market. Stepwise regression and Pearson correlation are used to analyze the data. The results of the study have indicated that there were significant relationships between independent variables including leverage ratios with labor productivity. In addition, there is also a significance relationship between leverage ratios with capital productivity of total assets.

  14. Development of a Model for a Cordon Pricing Scheme Considering Environmental Equity: A Case Study of Tehran

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    Shahriar Afandizadeh

    2016-02-01

    Full Text Available Congestion pricing strategy has been recognized as an effective countermeasure in the practical field of urban traffic congestion mitigation. Despite the positive effects of congestion pricing, its implementation has faced problems. This paper investigates the issue of environmental equity in cordon pricing and a park-and-ride scheme. Although pollution decreases inside the cordon by implementation of cordon pricing, air pollutants emission may increase in some links and in the whole network. Therefore, an increase in air emissions in the network means more emission outside the cordon. In fact, due to the implementation of this policy, air pollutants emission may transfer from inside to outside the cordon, creating a type of environmental inequity. To reduce this inequity, a bi-level optimization model with an equity constraint is developed. The proposed solution algorithm based on the second version of the strength Pareto evolutionary algorithm (SPEA2 is applied to the city network in Tehran. The results revealed that it seems reasonable to consider environmental equity as an objective function in cordon pricing. In addition, we can create a sustainable situation for the transportation system by improving environmental inequity with a relatively low reduction in social welfare. Moreover, there are environmental inequity impacts in real networks, which should be considered in the cordon pricing scheme.

  15. GIS-BASED SOLAR AND WIND TURBINE SITE SELECTION USING MULTI-CRITERIA ANALYSIS: CASE STUDY TEHRAN, IRAN

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    M. Sadeghi

    2017-09-01

    Full Text Available Renewable energy has less negative impacts on environment than fossil fuels. Iran has many resources for renewable energy exploitation but because of their high price, it has not been developed. Site selection is an important step for utilizing large investments like solar farms and wind turbines. Multi-criteria evaluation methods are commonly used for site selection. The purpose of this paper is to determine suitable sites for solar farm and wind turbine using GIS and AHP in Tehran, in order to generate a distributed network to increase power network stability. The final land suitability index was grouped in four categories as “most suitable”, “suitable”, “moderate” and “low suitable”. As a result 94.61% (789939.63 km2 is low suitable, 4.47% (37337.17 km2 is moderate, 0.59% (4964.22 km2 is suitable and 0.32% (2680.70 km2 is the most suitable for building wind turbine and for solar farm, 44.07% (8116.88 km2 is low suitable, 12.81% (2359.79 km2 is moderate, 35.10% (6464.29 km2 is suitable and 8.02% (1477.28 km2 is the most suitable.

  16. Gis-Based Solar and Wind Turbine Site Selection Using Multi-Criteria Analysis: Case Study Tehran, Iran

    Science.gov (United States)

    Sadeghi, M.; Karimi, M.

    2017-09-01

    Renewable energy has less negative impacts on environment than fossil fuels. Iran has many resources for renewable energy exploitation but because of their high price, it has not been developed. Site selection is an important step for utilizing large investments like solar farms and wind turbines. Multi-criteria evaluation methods are commonly used for site selection. The purpose of this paper is to determine suitable sites for solar farm and wind turbine using GIS and AHP in Tehran, in order to generate a distributed network to increase power network stability. The final land suitability index was grouped in four categories as "most suitable", "suitable", "moderate" and "low suitable". As a result 94.61% (789939.63 km2) is low suitable, 4.47% (37337.17 km2) is moderate, 0.59% (4964.22 km2) is suitable and 0.32% (2680.70 km2) is the most suitable for building wind turbine and for solar farm, 44.07% (8116.88 km2) is low suitable, 12.81% (2359.79 km2) is moderate, 35.10% (6464.29 km2) is suitable and 8.02% (1477.28 km2) is the most suitable.

  17. A Credibility-Based Chance-Constrained Transfer Point Location Model for the Relief Logistics Design (Case Study: Earthquake Disaster on Region 1 of Tehran City

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    Ahmad Mohamadi

    2015-02-01

    Full Text Available Occurrence of natural disaster inflicts irreparable injuries and symptoms on humans. In such conditions, affected people are waiting for medical services and relief commodities. Thus, quick reaction of medical services and relief commodities supply play important roles in improving natural disaster management. In this paper, a multi-objective non-linear credibility-based fuzzy mathematical programming model under uncertainty conditions is presented, which considers two vital needs in disaster time including medical services and relief commodities through location of hospitals, transfer points, and location routing of relief depots. The proposed model approaches reality by considering time, cost, failures probability in routes, and parameters uncertainty. The problem is first linearized and then global criterion method is applied for solving the multi objective model. Moreover, to illustrate model efficiency, a case study is performed on region 1 of Tehran city for earthquake disaster. Results demonstrate that if Decision-makers want to meet uncertainty with lowered risk, they have to choose a high minimum constraint feasibility degree even though the objective function will be worse.

  18. Urban Heat Island Growth Modeling Using Artificial Neural Networks and Support Vector Regression: A case study of Tehran, Iran

    Science.gov (United States)

    Sherafati, Sh. A.; Saradjian, M. R.; Niazmardi, S.

    2013-09-01

    Numerous investigations on Urban Heat Island (UHI) show that land cover change is the main factor of increasing Land Surface Temperature (LST) in urban areas. Therefore, to achieve a model which is able to simulate UHI growth, urban expansion should be concerned first. Considerable researches on urban expansion modeling have been done based on cellular automata. Accordingly the objective of this paper is to implement CA method for trend detection of Tehran UHI spatiotemporal growth based on urban sprawl parameters (such as Distance to nearest road, Digital Elevation Model (DEM), Slope and Aspect ratios). It should be mentioned that UHI growth modeling may have more complexities in comparison with urban expansion, since the amount of each pixel's temperature should be investigated instead of its state (urban and non-urban areas). The most challenging part of CA model is the definition of Transfer Rules. Here, two methods have used to find appropriate transfer Rules which are Artificial Neural Networks (ANN) and Support Vector Regression (SVR). The reason of choosing these approaches is that artificial neural networks and support vector regression have significant abilities to handle the complications of such a spatial analysis in comparison with other methods like Genetic or Swarm intelligence. In this paper, UHI change trend has discussed between 1984 and 2007. For this purpose, urban sprawl parameters in 1984 have calculated and added to the retrieved LST of this year. In order to achieve LST, Thematic Mapper (TM) and Enhanced Thematic Mapper (ETM+) night-time images have exploited. The reason of implementing night-time images is that UHI phenomenon is more obvious during night hours. After that multilayer feed-forward neural networks and support vector regression have used separately to find the relationship between this data and the retrieved LST in 2007. Since the transfer rules might not be the same in different regions, the satellite image of the city has

  19. Studying the Effect of Tunnel Depth Variation on the Specific Energy of TBM, Case Study: Karaj–Tehran (Iran Water Conveyance Tunnel

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    Majid Mirahmadi

    2016-09-01

    Full Text Available The tunnel-boring machine (TBM is a common piece of equipment used in tunneling projects. For planning a mechanical excavation project, prediction of TBM performance and the specification of design elements such as required forces are critical. The specific energy of excavation (SE, i.e. drilling energy consumption per unit volume of rock mass, is a crucial parameter for performance prediction of a TBM. In this study, the effect of variation of tunnel depth on SE by considering the post-failure behavior of rock mass was investigated. Several new relations between SE and tunnel depth are proposed according to the statistical analysis obtained from Karaj – Tehran Water Conveyance Tunnel real data. The results showed that there is a direct relation between both parameters and. Polynomial equations are proposed as the best expression of the correlation between these parameters.

  20. Assessment of an air pollution monitoring network to generate urban air pollution maps using Shannon information index, fuzzy overlay, and Dempster-Shafer theory, A case study: Tehran, Iran

    Science.gov (United States)

    Pahlavani, Parham; Sheikhian, Hossein; Bigdeli, Behnaz

    2017-10-01

    Air pollution assessment is an imperative part of megacities planning and control. Hence, a new comprehensive approach for air pollution monitoring and assessment was introduced in this research. It comprises of three main sections: optimizing the existing air pollutant monitoring network, locating new stations to complete the coverage of the existing network, and finally, generating an air pollution map. In the first section, Shannon information index was used to find less informative stations to be candidate for removal. Then, a methodology was proposed to determine the areas which are not sufficiently covered by the current network. These areas are candidates for establishing new monitoring stations. The current air pollution monitoring network of Tehran was used as a case study, where the air pollution issue has been worsened due to the huge population, considerable commuters' absorption and topographic barriers. In this regard, O3, NO, NO2, NOx, CO, PM10, and PM2.5 were considered as the main pollutants of Tehran. Optimization step concluded that all the 16 active monitoring stations should be preserved. Analysis showed that about 35% of the Tehran's area is not properly covered by monitoring stations and about 30% of the area needs additional stations. The winter period in Tehran always faces the most severe air pollution in the year. Hence, to produce the air pollution map of Tehran, three-month of winter measurements of the mentioned pollutants, repeated for five years in the same period, were selected and extended to the entire area using the kriging method. Experts specified the contribution of each pollutant in overall air pollution. Experts' rankings aggregated by a fuzzy-overlay process. Resulted maps characterized the study area with crucial air pollution situation. According to the maps, more than 45% of the city area faced high pollution in the study period, while only less than 10% of the area showed low pollution. This situation confirms the need

  1. Identification and classification of open book accounting dimensions by considering inter-organizational cost management: A case study of petrochemical companies listed in Tehran Stock Exchange

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    Leila Sadeghi

    2014-02-01

    Full Text Available This study aims to identify and to classify Open book accounting (OBA dimensions according to inter-organizational cost management (IOCM in petrochemical companies listed in Tehran Stock Exchange. In this research, there are 18 statistical society financial and accounting experts listed in Tehran Stock Exchange. By studying the theoretical literature and conducted investigations inside and outside of the country and also the experts’ comments, the OBA dimensions were identified and then classified by analytical hierarchy process technique. According to the studies and experts’ ideas, four dimensions including nature of data and accounting data disclosure practices, uses of disclosed accounting data, conditions of OBA, cost implementation of OBA were identified as OBA dimensions. The results of examinations were shown that, considering the comments on dimensions of nature of data and accounting data disclosure practices, the form of data disclosure plays a more important role. In uses of disclosed accounting data dimension, coordination and planning among team members play the most important role. According to conditions of OBA dimension, trust is the most important one and in cost implementation of OBA dimension, the cost of the other party plays the most important role.

  2. A study on the effects of quarterly financial reports on systematic risk and return on assets: A case study of Tehran Stock Exchange

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    Roozbeh Hedayat Mazhari

    2013-06-01

    Full Text Available Financial statements are considered as primary sources of information for most investors to make investment decisions. A crystal clear and comprehensive annual report helps many interested parties about the performance of any business unit. However, many rules and regulations ask management teams of organizations to provide quarterly financial results. In this paper, we perform an empirical investigation to study the effects of quarterly financial reports on three ratios including systematic risk, return on assets and firm size. The proposed study gathers the necessary data from 72 firms listed on Tehran Stock Exchange over the period of 2000-2006. The study determined the performances of these 72 firms before and after the releases of three quarterly reports and using Freedman test determined whether there were any meaningful differences between two groups of data or not. The results of Freedman test indicate that there were not any meaningful differences between stock performance and systematic risk before and after quarterly results. The survey also examines the relationship between systematic risk and size of firms using Pearson correlation test and the results indicate there were some meaningful differences size and systematic risk.

  3. A Study Effects Architectural Marketing Capabilities on Performance Marketing unit Based on: Morgan et al case: Past Industry in Tehran

    OpenAIRE

    Mohammad Reza Dalvi; Robabe Seifi

    2014-01-01

    Over a period of time architectural marketing capabilities combination of knowledge and skills develop in to capabilities. These architectural marketing capabilities have been identified as one of the important ways firms can achieve a competitive advantage The following research tests effects architectural marketing capabilities on performance marketing unit Based on a survey .a structural equation model was developed to test our hypotheses. the study develops a structural model linking arch...

  4. A study on the relationship between capital structure and the performance of production market: A case study of firms listed on Tehran Stock Exchange

    Directory of Open Access Journals (Sweden)

    Kobra Sadat Salek Esfahani

    2013-04-01

    Full Text Available One of the most complicated and challenging issues in today's financial managers is the relationship between the components of capital structure in terms of bonds and shares used for financing and share price of their company, and its effects on the macroeconomic variables. This research aims to study the relationship between the capital structure and performance of the production market in some firms listed on Tehran Stock Exchange (TSE. In this research, the index of capital structure is debt ratio and that of production market performance is sales growth and return of assets (ROA. The statistical sample of this research includes 128 companies, which have been active in 11 various industries and listed on TSE over the period 2005-2010. The statistical techniques used to test the hypotheses of this research include correlation coefficient and pooled least squares regression (panel data. Based on the results of our survey, there is a strong and significant relationship between debt ratio and return on assets among the companies listed on TSE and most industries especially based metals at the confidence level of 95%. In contrast, there is no strong and significant relationship between debt ratio and sales growth in the above-mentioned companies and in most industries.

  5. Factors Affecting Academic Dishonesty in the Space of Social Science Education (A Case Study of Public Universities in Tehran

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    Masoumeh Qarakhani

    2016-09-01

    Full Text Available Academic Dishonesty is one of the important issues in the higher education system of Iran, and reducing or preventing it requires identifying the factors which have an impact on it. The present study has analyzed the perceptions and understandings of PhD students in social science fields, who have a wider experience of scientific socialization in the process of education, with the aim of identifying the factors influencing academic dishonesty in the space of social science in Iran. The findings of this research show that the factors influencing academic dishonesty in the space of social science education can be detected at two individual and structural levels. At the structural level, sources and rules, and at the individual level, academic dishonesty among three groups of actors in educational space, i.e. professors, students and managers (heads of departments and faculties, with reference to their individual and personality characteristics, have paved the way for academic dishonesty, or have resulted in its occurrence. In the framework of a combination of actor/structure in explaining social phenomena, the factors influencing academic dishonesty and non-conformity to the norms of the ethics of science in the educational space can be reduced neither to the role of the structure nor that of the actor. Dishonesty in the ethics of science in social science education and the factors affecting them can be explained in the light of a combination of structure and actor.

  6. Leisure Time Physical Activity and Its Determinants among Adults in Tehran: Tehran Lipid and Glucose Study.

    Science.gov (United States)

    Momenan, Amir Abbas; Delshad, Maryam; Mirmiran, Parvin; Ghanbarian, Arash; Azizi, Fereidoun

    2011-10-01

    The aim of this study was to assess leisure time physical activity and its determinants among adults in Tehran. This cross-sectional study comprised adults (n = 7285), aged 20 years and older. The subjects were participants of the Tehran Lipid and Glucose Study between 2002 and 2004. Information on the number of days spent on different activities during a week and the time devoted to each activity on a typical day was recorded. In addition, each activity, weighted by its relative intensity, was referred to as a metabolic equivalent. The prevalence of inactivity was 69.8% (95% CI: 68.7-70.8) in the whole population and 30.2% (95% CI: 27.2-33.1%) of men and 30.3% (95% CI: 27.7-32.8%) of women were considered as active. Leisure time physical activity less than 30 min/week was scored in 1590 (50.6%) men and 1803 (43.5%) women. The most frequent leisure time physical activity performed by men (96.1%) and women (95.2%) was walking. A negative association was observed in men between leisure time physical activity and increased work hours, older age, more cigarette smoking and higher body mass index (69.8% were overweight and 75.3% were obese; P women. The prevalence of physical inactivity among adults in Tehran was high. Leisure time physical inactivity was more likely to be associated with older age, more cigarette smoking, more working hours, and higher body mass index. Public health efforts are needed to improve people's participation in physical activities in Iran.

  7. Optimization of PV/Wind/Battery stand-alone system, using hybrid FPA/SA algorithm and CFD simulation, case study: Tehran

    International Nuclear Information System (INIS)

    Tahani, Mojtaba; Babayan, Narek; Pouyaei, Arman

    2015-01-01

    Highlights: • The utilization of an optimized Hybrid PV/Wind/Battery system has been studied. • The proposed system has been studied for a building in Tehran. • A novel hybrid optimization method, namely FPA/SA has been proposed. • The impact of inclined part of the roof on wind velocity is studied by CFD. • LPSP and Payback time were considered as objective functions in this study. - Abstract: Renewable energy hybrid systems are a promising technology toward sustainable and clean development. Due to stochastic behavior of renewable energy sources, optimization of their convertors has great importance for increasing system’s reliability and efficiency and also in order to decrease the costs. In this research study, it was aimed to study the utilization of an optimized hybrid PV/Wind/Battery system for a three story building, with an inclined surface on the edge of its roof, located in Tehran, capital of Iran. For this purpose, a new evolutionary based optimization technique, namely hybrid FPA/SA algorithm was developed, in order to maximize system’s reliability and minimize system’s costs. The new algorithm combines the approaches which are utilized in Flower Pollination Algorithm (FPA) and Simulated Annealing (SA) algorithm. The developed algorithm was validated using popular benchmark functions. Moreover the influence of PV panels tilt angle (which is equal to the slope of inclined part of the roof) is studied on the wind speed by using computational fluid dynamics (CFD) simulation. The outputs of CFD simulations are utilized as inputs for modeling wind turbine performance. The Loss of Power Supply Probability (LPSP) and Payback time are considered as objective functions, and PV panel tilt angle, number of PV panels and number of batteries are selected as decision variables. The results showed that if the tilt angle for PV panels is set equal to 30° and the number of PV panels is selected equal to 11 the fastest payback time which is 12 years and

  8. Differences between health-promoting lifestyle among sex worker with substance use and non-substance use women (Case study in Tehran

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    Fatemeh Damirchi

    2016-12-01

    Full Text Available Background and Objective: The high risks behaviors in sex worker women have a strong relationship with substance use. In addition, lifestyle has a key role in prevalence of social problems. Therefore, the aim of current study is to investigate the differences between health-promoting lifestyle among women sex workers with substance and non-substance use.Materials and Methods: This study is a descriptive correlation research. The 120 women including 60 sex worker with substance use and 60 non-substance use women who were selected by convenience sampling in Tehran in 2016. They completed the Health- Promoting Lifestyle Profile (HPLP. Data was analyzed by utilizing multivariate analysis of variance. SPSS software version 20 was used.Results: The results indicated that there was a the higher mean scores in nutrition and interpersonal sub-scales in non-substance use women than sex worker women (P=0.001. In addition, in spiritual level (P=0.001, responsibility (P=0.008 and Stress Management (P=0.015 in non-substance women had lower scores than substance use women sex-worker.Conclusion: These findings indicated that even though the life style in two group of sex worker women was unhealthy and unsafe but, in life style components in two women sex worker with and without substance abuse were different.

  9. Comparing the role of accruals and operating cash flows on users' decisions on financial statements: A case study of Tehran Stock Exchange

    Directory of Open Access Journals (Sweden)

    Mohsen Sohrabi Araghi

    2013-01-01

    Full Text Available One of the major challenges facing all of individuals and organizations is decision-making based on the information. The issues of priority about cash flows and accruals data in decision-making process for different groups of financial statement users include investors, creditors, shareholders, directors, etc. one of the issues that has been controversial between accrual and cash accounting advocators for a long time. In this study, we survey the role of accruals and operating cash flows in decisions of financial statement users in listed companies on Tehran stock exchange, information content of operating cash flows and accruals in the connection with decision-making criteria used by different groups using financial statement has been examined. In this study, we use eliminating sampling and implied limitations and the sample size includes 203 companies to examine six hypotheses. The results of this research indicate that there is a significant different between accruals and operating cash flows information content in relation to various decision-making criteria but utilizing accruals and operating cash flows supplementary and simultaneously in profit frame depending on the selection criteria may or may not be include information value-added.

  10. Investigating the relationship between emotional displays of nursing managers and the performance of nursing staff (Case study: Dr. Shariati Hospital, Tehran

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    Zahra Riahi Paghaleh

    2016-07-01

    Full Text Available Emotional display is the management and proper expression of correct emotions consistent with organizational and profession rules. One of the factors affecting the occupational performance is the skills of the managers in control and effective use of excitement. The present study was conducted to determine the relationship between nursing managers' emotional display and the performance of nursing staff. The study population consisted of all managers and nursing staff of Shariati Hospital, Tehran in 2015 who were selected using census method. The instruments were Dindorf et al. emotional display questionnaire and Paterson's job performance questionnaire whose validity and reliability were confirmed. Data were analyzed with Spearman correlation Coefficient, independent t-test, and ANOVA using SPSS software. "Real-emotion display" of nursing managers had a significant correlation with nursing staff performance (P=0.02, r=0.203. But "superficial and deep display of emotions" of the managers did not. There were no significant correlations between emotional display with age and work experience in managers and between job performance with marital status, gender, and age and work experience in nursing staff (P>0.05. The results showed that design and mplementation of training courses about emotional display are necessary in managers in order to improve the job performance of nursing staff.

  11. The effects of performance criteria including accounting, market, and economy on the quality of financial reporting: A case study on Tehran Stock Exchange

    Directory of Open Access Journals (Sweden)

    Mohammad Mahdi Hosseini

    2013-01-01

    Full Text Available This research studies the effects of performance criteria (accounting, market and economy on the quality of financial reporting in Iran. To evaluate the variable financial reporting quality, the scores given to each company are applied based on the checklist introduced by Iranian Association of Certified Public Accountants and used for the disclosure of the information of the annual financial statements of companies. The statistical population of this research consists of the companies listed on Tehran Stock Exchange over the period 2006-2011. This research, which is classified as applied research, uses the methods of multivariate regression test. The data and hypotheses of this research are analyzed and tested using correlation test and means difference test. The results of the tests conducted on 99 companies indicate that there is a significant and positive relation between the rate of return on equity and the equality of financial reporting. There is also a significant and positive relation between earnings per share and the equality of financial reporting. However, there is no relationship between QTOBIN and the equality of financial reporting. Finally, our results indicate there is a significant and positive relation between market value-added and the equality of financial reporting.

  12. ESTIMATION OF THE SPECIFIC ENERGY OF TUNNEL BORING MACHINE USING POST-FAILURE BEHAVIOUR OF ROCK MASS.CASE STUDY: KARAJ-TEHRAN WATER CONVEYANCE TUNNEL IN IRAN

    Directory of Open Access Journals (Sweden)

    MAJID MIRAHMADI

    2017-09-01

    Full Text Available Performance prediction of tunnel boring machines (TBM is the most important factor for successful tunnel excavation projects. The specific energy (SE of TBM, defined as the amount of energy required to excavate a unit volume of rock, is one of the critical parameters used for performance prediction of these machines. Estimation of SE is very useful to design the drilling project because it is a function of many parameters such as rock mass behaviour, machine properties and project parameters. Several methods are used to estimate this parameter, such as experimental, empirical and numerical. The aim of this study is to estimate the SE considering the postfailure behaviour of rock mass. For this reason, based on the actual data from Karaj-Tehran water conveyance tunnel, a new empirical method is proposed to estimate the SE using the drop-to-deformation modulus ratio (λ. Based on the statistical analysis, the relation between the SE and λ is estimated. It is clear that the amplitude of λ, is high and to increase the correlation between mentioned parameters, the classification of data is performed. All data is classified in three classes as very weak (GSI75. Also a statistical analysis is performed to estimate the SE using the mentioned parameter (λ in any class. The result shows that there is a direct relation between both parameters and the best correlation is achieved. So, the best equations are proposed to estimate SE using λ, considering the post failure behaviour of rock mass.

  13. An investigation on the effects of conservatism on reducing risk of stock market investment: A case study of Tehran Stock Exchange

    Directory of Open Access Journals (Sweden)

    Rezvan Hejazi

    2013-07-01

    Full Text Available Accounting conservatism limits managerial incentive and ability to overstate performance and hide bad news from investors, which, in turn, reduces stock price crash risk. This study examines relationship between conservatism on financial reports and risk of stock price crash. Using a sample of 54 listed firms in Tehran Stock Exchange over the period of 2006–2010 and panel logistic regression, we examine different hypotheses. The results indicate that accounting conservatism, as measured by Khan and Watts (2009 CSCORE [Khan, M., & Watts, R. L. (2009. Estimation and empirical properties of a firm-year measure of accounting conservatism. Journal of Accounting and Economics, 48(2, 132-150.], reduces the likelihood of a firm experiencing stock price crashes. The finding holds after controlling other variables such as: negative skewness of firm-specific-weekly return, standard deviation of firm-specific-weekly return, the mean of firm-specific-weekly return, detrend share turnover, size, market to book value of equity ratio, total debt ratio and return on asset ratio, but we did not observe any relationship between these variables during stock price crash.

  14. Evaluation of Reductive Option of Water Hammer Phenomenon for a Water Conveyance System, A Case Study of Shahid Shirdom Residential District-Tehran

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    Kiyomars roshangar

    2015-01-01

    Full Text Available Sudden changes in the boundary conditions of water transmission systems, such as sudden opening and closing of valves or abrupt on and off switching of pumps and turbines cause a transient flow called ‘water hammer’. In this study, comparisons were made between the effective parameters including pipeline material, on the one hand, and the equipment and tools available for reducing the effects of water hammer, on the other. For this purpose, a practical example of a water transmission line from a pumping station located near Shahid Shirdom Residential District to the upstream reservoir in Tehran was used for modeling by the Bentley Hammer XMV: 8 software. The results obtained for the different parameters and options were compared and it was revealed that, regarding the pipe material, GRP pipes reduced pressure by 49.1 Kpa compared to the Asbestos cement pipes and by 50.3 Kpa compared to the iron pipes. Comparison of the results for the protective systems indicated that the surge tank outperformed the other alternatives in controlling pressure such that maximum pressure was reduced by 3.9 bar when using surge tanks compared to the flywheel and by 5 bar compared to the check valve. Finally, it was found that the concurrent use of the surge tank and the flywheel would be the most ideal method for controlling the water hammer effects.

  15. A Comparative Study of Faculty Members' Career Advancement (Promotion) Systems in the United States and the Islamic Republic of Iran: "Case Analysis of the University of Tehran and Portland State University"

    Science.gov (United States)

    Tanaomi, Mohammad Mehdi; Asaadi, Robert Reza

    2017-01-01

    This article examines the similarities and differences in the systems for faculty career advancement in higher education institutions in the United States and the Islamic Republic of Iran. The analysis focuses on two specific cases: the University of Tehran and Portland State University. Through this paired comparison, we draw out the similarities…

  16. Structured model Consumer-based Brand Equity based on Promotional-mix elements(Case Study: Food Active Industries of Tehran)

    OpenAIRE

    Mehran Rezvani; Siran Mehrnia

    2014-01-01

    Abstract This paper aims to examine the relationships among Promotional-mix elements and Customer-based Brand Equity. Then, a model is developed to examine the relationships Promotional-mix elements and Customer-based brand equity in Food Industries of Tehran. The sample size is 240. Data are collected by questionnaire designed. The collected data is estimated using Lizrel and SEM method. The test results show that four dimensions of brand equity (brand awareness, perceived quality, and br...

  17. Leisure time physical activity and its determinants among adults in Tehran: Tehran lipid and glucose study

    Directory of Open Access Journals (Sweden)

    Amir Abbas Momenan

    2011-01-01

    Conclusions: The prevalence of physical inactivity among adults in Tehran was high. Leisure time physical inactivity was more likely to be associated with older age, more cigarette smoking, more working hours, and higher body mass index. Public health efforts are needed to improve people′s participation in physical activities in Iran.

  18. Study on secondary shutdown systems in Tehran research reactor

    Energy Technology Data Exchange (ETDEWEB)

    Jalali, H.R.; Fadaei, A.H., E-mail: Fadaei_amir@aut.ac.ir; Gharib, M.

    2015-09-15

    Highlights: • A study was undertaken to summarize the techniques for secondary shutdown systems (SSS). • Neutronic calculation performed for proposed systems as SSS. • Dumping the heavy water stored in the reflector vessel is capable to shut down reactor. • Neutronic and transient calculation was done for validating the selected SSS. • All calculation shown that this system has advantages in safety and neutron economy. - Abstract: One important safety aspect of any research reactor is the ability to shut down the reactor. Usually, research reactors, currently in operation, have a single shutdown system based on the simultaneous insertion of the all control rods into the reactor core through gravity. Nevertheless, the International Atomic Energy Agency currently recommends use of two shutdown systems which are fully independent from each other to guarantee secure shutdown when one of them fails. This work presents an investigative study into secondary shutdown systems, which will be an important safety component in the research reactor and will provide another alternative way to shut down the reactor emergently. As part of this project, a study was undertaken to summarize the techniques that are currently used at world-wide research reactors for recognizing available techniques to consider in research reactors. Removal of the reflector, removal of the fuels, change in critical shape of reactor core and insertion of neutron absorber between the core and reflector are selected as possible techniques in mentioned function. In the next step, a comparison is performed for these methods from neutronic aspects. Then, chosen method is studied from the transient behavior point of view. Tehran research reactor which is a 5 MW open-pool reactor selected as a case study and all calculations are carried out for it. It has 5 control rods which serve the purpose of both reactivity control and shutdown of reactor under abnormal condition. Results indicated that heavy

  19. Identifying and prioritizing the effect of marketing mix from the customer’s perspective (4C) on the competitiveness of insurance companies using DEMATEL technique: A case study of Tehran Insurance Companies

    OpenAIRE

    Elmira Manafzadeh; Ali Ramezani

    2016-01-01

    Competitiveness of an organization is debatable based on sources and market-based approach. In this study, the impact of customer-centric marketing mix on the competitiveness of the company was studied. All clients involved in insurance companies in Tehran were the statistical population of the study and a sample of 384 clients were selected. A questionnaire was used to collect the data. Relationships between elements of the marketing mix and competitiveness were studied using confirmatory fa...

  20. The influence pattern of key factors affecting the purpose of organizational excellence consulting on the efficiency of businesses consulting services (A case study of small and medium-size food enterprises in Tehran province

    Directory of Open Access Journals (Sweden)

    Mansour Ezati Jivan

    2012-04-01

    Full Text Available Consulting helps managers or other people find appropriate solutions for challenges they face in their businesses. Most of the losses incurred by the people and the society could be prevented using appropriate consultation. Consultation, also, refers to people's participation in decision making. Despite dramatic development in management consulting industry in the world during the last three decades, consulting industry in Iran has faced numerous challenges. This study aims to examine the factors affecting the efficiency of management consulting services in small and medium-sized businesses and it focuses on food industries in Tehran as a real-world case study. The necessary suggestions regarding the hiring of a consultant and increasing the efficiency of management consulting services in business have been offered in this study. Some recommendations deal with the way that management consultants should respond to the managers' needs, act as a reliable and efficient adviser in public or private businesses and find their position in the Iranian market. The conceptual model of this study shows the influence of key factors affecting the purpose of consulting on the efficiency of management consulting services. To do the research, 90 people are selected as the sample size in a descriptive study with random sampling of the managers of aforementioned companies using a questionnaire. Cronbach’s alpha method was used to assess the reliability of the questionnaire. For assessing the validity of the questionnaire, we use standard questionnaire, which has already been used.

  1. Feasibility study for Tehran Research Reactor power upgrading

    Energy Technology Data Exchange (ETDEWEB)

    Farhadi, Kazem [Nuclear Research Center, Atomic Energy Organization of Iran (AEOI), Tehran (Iran, Islamic Republic of)], E-mail: kfarhadi@aeoi.org.ir; Khakshournia, Samad [Nuclear Research Center, Atomic Energy Organization of Iran (AEOI), Tehran (Iran, Islamic Republic of)

    2008-07-15

    The present work is concerned with a power upgrading study of Tehran Research Reactor (TRR). The upgrading study is aimed at investigating the possibility of raising power of the TRR from the current level of 5 MW{sub th} to a higher level without violating the original thermal-hydraulic safety criteria. The existing core, comprising 22 standard fuel elements and five control fuel elements, is used for the analyses. Different reactor thermal powers (5-11 MW) and different core coolant flow rates (500-921 m{sup 3}/h) are considered. It is shown that, for the present core, this goal could be achieved safely by gradually opening the butterfly control valve until the desired coolant flow rate is reached. The TRR power could be upgraded up to around 7.5 MW{sub th} with the total power peaking factor maintained at less than or equal to 3.0.

  2. Feasibility study for Tehran Research Reactor power upgrading

    International Nuclear Information System (INIS)

    Farhadi, Kazem; Khakshournia, Samad

    2008-01-01

    The present work is concerned with a power upgrading study of Tehran Research Reactor (TRR). The upgrading study is aimed at investigating the possibility of raising power of the TRR from the current level of 5 MW th to a higher level without violating the original thermal-hydraulic safety criteria. The existing core, comprising 22 standard fuel elements and five control fuel elements, is used for the analyses. Different reactor thermal powers (5-11 MW) and different core coolant flow rates (500-921 m 3 /h) are considered. It is shown that, for the present core, this goal could be achieved safely by gradually opening the butterfly control valve until the desired coolant flow rate is reached. The TRR power could be upgraded up to around 7.5 MW th with the total power peaking factor maintained at less than or equal to 3.0

  3. The Investigation of Historical Role of Mosque Schools in Amendment and Improvement of Religious Discourse of Qajar Era (Case Study: Tehran during Qajar Era

    Directory of Open Access Journals (Sweden)

    Ne'matollah Safari Forushani

    2016-06-01

    Full Text Available The religious discourse of Qajar era can be considered not only as a slogan oriented and popular Phenomena but also as an unadaptable one with new social situation due to the social, political, cultural and religious reasons. Generally, the religious sites are incapable to perform their prime function in amendment and improvement of total discourse in religious context despite of their considerable quantity and variety except the mosques which fulfilled their educational activities in framework of theological schools beside their devotional function. The present essay endeavors to investigate the effects of such sites in amendment and improvement of Tehran's religious discourse during Qajar era based on library resources with analytical- descriptive approach. The outcome of research reveals the impact of mosque- Schools on affairs such as enhancement of educational and logical aspects of religious beliefs in the context of society, the awareness of scholars and theological students for social needs, avoidance of superstation, protection of religious beliefs, answering to religious questions and doubts and moderation...

  4. Developing Proper Systems for Successful Cloud Computing Implementation Using Fuzzy ARAS Method (Case Study: University of Tehran Faculty of New Science and Technology

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    Jalil Heidaryd Dahooie

    2017-12-01

    Full Text Available Given the increasing requirements of communication and the need for advanced network-based technologies, cloud computing has been suggested as a perfect strategy to achieve these objectives. Yet, despite the development of computing applications and the increased number of alternatives, it is quite a difficult task to select the exact software platform for the implementation of cloud computing arrangements. In this line, the present paper aimed to develop a scientific framework as how to select the proper software for successful cloud computing implantation at the infrastructure level. First through a review on the related literature and using experts’ opinions, the software selection criteria were extracted. Based on the framework proposed here, the interval-valued fuzzy ARAS method was then employed for weighting and prioritizing specified alternatives. This model was applied by the Faculty of New Sciences and Technologies of Tehran University in order to select proper software platforms from among five alternatives. The results revealed that the OpenStack cloud operating system has been selected as the best alternative, most probably because this platform demonstrates significant achievement for its merits such as high level of performance, reliability and security, stability, and usability.

  5. Investigating the Influence of Light Shelf Geometry Parameters on Daylight Performance and Visual Comfort, a Case Study of Educational Space in Tehran, Iran

    Directory of Open Access Journals (Sweden)

    Mohammad Hossein Moazzeni

    2016-07-01

    Full Text Available Daylight can be considered as one of the most important principles of sustainable architecture. It is unfortunate that this is neglected by designers in Tehran, a city that benefits from a significant amount of daylight and many clear sunny days during the year. Using a daylight controller system increases space natural light quality and decreases building lighting consumption by 60%. It also affects building thermal behavior, because most of them operate as shading. The light shelf is one of the passive systems for controlling daylight, mostly used with shading and installed in the upper half of the windows above eye level. The influence of light shelf parameters, such as its dimensions, shelf rotation angle and orientation on daylight efficiency and visual comfort in educational spaces is investigated in this article. Daylight simulation software and annual analysis based on climate information during space occupation hours were used. The results show that light shelf dimensions, as well as different orientations, especially in southern part, are influential in the distribution of natural light and visual comfort. At the southern orientation, increased light shelf dimensions result in an increase of the area of the work plane with suitable daylight levels by 2%–40% and a significant decrease in disturbing and intolerable glare hours.

  6. The Role of Cultural and Identity Differences in Self-expression of Iranian Users of Social Networking Sites; A Case Study of Students of Tehran University, Amirkabir University, and Sharif University of Technology

    OpenAIRE

    H. Molaei; Z. Majdizadeh

    2017-01-01

    Social media with their features such as interactivity, participatory, and user-generated content have provided a great opportunity for self-expression of the users. However, cultural differences affect the extent and modality of users’ self-expression. This study aims to investigate the modality of self-expression of Iranian users of the social networking sites. In doing so, an online survey was conducted among the students of three Iran universities: University of Tehran, Amirkabir Universi...

  7. Study of the Effect of Brand Equity Drivers on University Brand Resonance (Case Study:Amir Kabir university, Sharif university, Tarbiat Modares university, Tehran university)

    OpenAIRE

    mojtaba karimian; Hamid khodadad hosseini; Asqar moshabaki

    2015-01-01

    Branding in business of institutions of higher education is one of the issues that recently have been attracted by many researchers and therefore administrators must conduct in depth studies and take effective steps in order to devise a brand strategy so that they can make a strong brand for universities. Thus, this article investigated the quality of branding and presented suggestions to improve the brand resonance of university. The main objective of the study is to show that how brand reso...

  8. A study on relationship between market orientation's culture and exporting performance: A case study of manufacturing corporations listed on Tehran Stock Exchange

    Directory of Open Access Journals (Sweden)

    Omid Behboodi

    2013-12-01

    Full Text Available Increasing trade, the globalization of products and services, as well as the internationalization of specific firms have steadily accentuated the importance of export performance. This study examines the relationship between market orientation culture with three components including customer orientation, competitor orientation, interfunctional-coordination on increasing export capabilities through firm age and size. Using the data gathered from 111 selected firms over the period 2006-2010, the study has applied correlation ratios as well as structural equation modeling to examine various hypotheses. The survey has concluded that being market oriented increases market capabilities through increasing firm size and age.

  9. Feasibility study of renewable energy resources and optimization of electrical hybrid energy systems: Case study for Islamic Azad University, South Tehran Branch, Iran

    Directory of Open Access Journals (Sweden)

    Fazelpour Farivar

    2017-01-01

    Full Text Available Renewable energies are increasingly seen as the best solution to a growing global population demanding affordable access to electricity while reducing the need for fossil fuels. Country of Iran has vast untapped solar, wind, geothermal and hydroelectric sources that hold the potential to meet domestic needs. Renewable energy is also essential to Iran as it will curb massive air pollution. In this paper economical and feasibility study of various hybrid systems are performed by using HOMER software model for supplying electricity to the Engineering Department of Islamic Azad University. For this study, annual electricity demand of the university is 1,174,935 kWh with a peak demand of about 331 kW, average wind speeds, based on hourly data during the period of eleven years (2000-2010, are between 3 to 5 m/s in all months of the year. For solar radiation, six models are evaluated to select the best model for estimation of the daily global solar radiation (GSR on a horizontal surface in the study location. Among these six models, H/HO=a+b (S/S0+ c(S/S02 is chosen as the most optimum model for estimating solar irradiation. The results indicate that among the three hybrid systems for fulfilling electrical energy needs, the Wind/Diesel/Battery hybrid system with 9 wind turbines (20 kW, one diesel generator (300 kW, 50 batteries, and 50 kW power converters with net present cost of $4,281,800 and cost of energy of 0.285 $/kWh is the most economically efficient hybrid system. (based on 2015 US dollar.

  10. A Longitudinal Analysis of Densities within the Pedestrian Sheds around Metro Stations. The Case of Tehran.

    Directory of Open Access Journals (Sweden)

    Houshmand E. Masoumi

    2016-10-01

    Full Text Available Evaluation of spatial accessibility to public transportation has a weak background in many emerging countries, including Iran. Transit-Oriented Development is of great interest among Iranian planners and academics, but little is known about transit orientation provided by major public transport systems exemplified by the Tehran Metro. Statistical difference tests and polynomial regression done in this study show how residential densities within walking distances of metro stations established at different times after 1998 are significantly different. Both population and employment densities have decreased in more recent stations compared to those opened between 2005 and 2010. Moreover, one-way T-Tests comparing the population and densities of older lines with those of newer lines reveal that, in most cases, densities within walking distances of stations of older lines are higher. The paper concludes that lack of proper site selection and failing to locate new stations near job centers and highly populated areas threatens the transit-friendliness that emerged in the early years after establishing the first metro station in 1998.

  11. Comparing the role of accruals and operating cash flows on users' decisions on financial statements: A case study of Tehran Stock Exchange

    OpenAIRE

    Mohsen Sohrabi Araghi; Sharifaldin Attari

    2013-01-01

    One of the major challenges facing all of individuals and organizations is decision-making based on the information. The issues of priority about cash flows and accruals data in decision-making process for different groups of financial statement users include investors, creditors, shareholders, directors, etc. one of the issues that has been controversial between accrual and cash accounting advocators for a long time. In this study, we survey the role of accruals and operating cash flows in d...

  12. The Role of Cultural and Identity Differences in Self-expression of Iranian Users of Social Networking Sites; A Case Study of Students of Tehran University, Amirkabir University, and Sharif University of Technology

    Directory of Open Access Journals (Sweden)

    H. Molaei

    2017-12-01

    Full Text Available Social media with their features such as interactivity, participatory, and user-generated content have provided a great opportunity for self-expression of the users. However, cultural differences affect the extent and modality of users’ self-expression. This study aims to investigate the modality of self-expression of Iranian users of the social networking sites. In doing so, an online survey was conducted among the students of three Iran universities: University of Tehran, Amirkabir University of Technology, and Sharif University of Technology. A total of 371 students participated in the study. Having conducted quantitative analysis, the study results showed that women and ethnic minorities are more inclined to support their cultural differences compared to men and ethnic majority group. Supporting cultural differences was observed more among Shia religious majority group. Religious minorities expressed less tendency to create content in social networking sites and as a result support their religious identity.

  13. Pathologic analysis of control plans for air pollution management in tehran metropolis: a qualitative study.

    Science.gov (United States)

    Shahrabi, Narges Salehi; Pourezzat, Aliasghar; Ahmad, Fayaz-Bakhsh; Mafimoradi, Shiva; Poursafa, Parinaz

    2013-09-01

    Regarding the importance of air pollution issue for large cities, as Tehran metropolis, many plans, programs, projects and regulations have been developed to manage urban air pollution. However, most of them failed to decline the pollution. The purpose of this study is to pathologically analyze air-pollution control plans in order to offer effective solutions for Tehran metropolis. A qualitative content analysis and a semi-structured interview with 14 practicing professionals were used to identify key causes and sources of Tehran's air pollution, to recognize challenges and obstacles towards effective performance of air-pollution control plans in this metropolitan area, and to suggest the most effective controlling solutions. Challenges related to air-pollution control plans can be divided into two major categories: Firstly lack of integrated and organized stewardship and secondly those related to political, economical, social and technical environmental abbreviated as PEST, challenges. For effective control of the Tehran air pollution, the following eight controlling alternatives were identified: Systematization of plan preparation process, organizing the stewardship, standardization and utilization of new technologies and professional experts, cultural and infrastructural development, realization of social justice, developing coordination and controlling mechanisms, improving citizen's participatory capacity, and focusing on effective management of fuel and energy. Controlling air pollution in Tehran should be considered as a priority for policymakers to make enforcements through applying a systemic cycle of preparation effective and comprehensive plans. Further, implement the enforcements and evaluate the environmental impact of the plans through involving all stakeholders.

  14. Comparison of the Performance of Poly Aluminum Chloride (PACl, Ferric Chloride (FeCl3, in Turbidity and Organic Matter Removal; from Water Source, Case-Study: Karaj River, in Tehran Water Treatment Plant No. 2

    Directory of Open Access Journals (Sweden)

    Mohammad Abdolah zadeh

    2009-06-01

    Full Text Available Coagulation and flocculation are the principal units in water treatment processes. In this study, the Jar test was used to investigate the effects of the pH and TOC on FeCl3 and PACl coagulants for further removal of turbidity, organic matter, aluminum, total organic carbon (TOC, dissolved organic carbon (DOC, organic Aadsorption at a wavelength of 254 nm (UV254 nm , alkalinity, residual aluminum and ferric, total trihalomethans (TTHMs in the Karaj River in the year 2007- 2008. These experiments were conducted through a bench scale study using conventional coagulation in the influent to Tehran Water Treatment Plant No. 2 (TWTP2.With normal pH levels, PACl demonstrated more efficiency than FeCl3 in removing turbidity, TOC, UV254 nm, and TTHMs. The lower coagulant consumption, high floc size, lower floc detention time, lower sludge production, lack of the need for pH adjustment in turbidity of 25 NTU and the lower alum consumption were the advantages of PACl application instead of FeCl3 as a coagulant. Also, PACl application was efficient at low turbidity (2 NTU, average turbidity (6 NTU, and high turbidity (100 NTU in TOC, turbidity, UV254 nm , and DOC removal. Thus, PACl is an economical alternative as a coagulant in TWTP2.

  15. The Estimation of Water Demand Function of Household Sector According to Non Liner Pricing Through Discrete – continues Choice Model (The Case Study of Tehran City During 2002 to 2006

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    Ameneh Khoshbakht

    2011-07-01

    Full Text Available The scarcity of water is the result of the recent successive drought in most country's districts. The increase of demand due to the increase of population and also inappropriate growth of supply according to the high cost of production process and therefore distribution, arise a big concern for the water and wastewater companies. Therefore the provision of water supply for consumers emphasizes on the urge of the management policies more than ever. Knowing the consumer behavior, in this regard, is the first and the most important step. In this study, to reach this objective, the function of household water demand in structure of block pricing in Tehran was estimated by using  household budget data , through discrete – continues choice model and maximum likelihood approach . The results show that price and income parameters have expected sign. The calculated unconditional elasticties show that consumers’ sensitiveness for price fluctuations in the structure of block pricing are against zero. Therefore, the policy of price reform in the structure of block pricing can be used as an effective tool in the management of consumption.

  16. Prospective Study of Nut Consumption and Incidence of Metabolic Syndrome: Tehran Lipid and Glucose Study.

    Science.gov (United States)

    Hosseinpour-Niazi, Somayeh; Hosseini, Shabnam; Mirmiran, Parvin; Azizi, Fereidoun

    2017-09-23

    This study aimed to assess the association of various types of nut per se, and total nut consumption with the incidence of metabolic syndrome (MetS). A 6.2 ± 0.7-year population-based prospective study was conducted among 1265 adults, aged 19-74 years, participants of the Tehran Lipid and Glucose Study. A 168-item semi-quantitative food frequency questionnaire was used to collect information on nut consumption. MetS was defined according to the Joint Interim Statement guidelines and 276 new cases of MetS were identified. Median ± interquartile range of nut consumption was 2.08 (0.88-5.68) servings/week. After adjusting for family history of diabetes, age, gender, smoking, physical activity, fasting serum glucose at baseline, serum high density lipoprotein cholesterol (HDL-C) at baseline, energy intake, fiber, macronutrients, cholesterol intake, fruit, vegetables, dairy products and body mass index (BMI), a statistically significant decrease was observed in MetS in the third (≥5 servings/week) tertile of nuts (odds ratio: 0.68, 95% CI: 0.44-0.91, p trend: 0.03) compared with the lowest (≤1 serving/week). Walnut consumption showed a significant, inverse association with MetS risk; associations for other nut varieties were not significant. For each additional serving/week of walnuts consumed, incidence of MetS decreased by 3% (ORs: 0.97 CI: 0.93-0.99), after adjusting for confounding factors. Total nut consumption, especially walnuts, reduces the risk of MetS.

  17. The Effect of Service Quality on Patient loyalty: a Study of Private Hospitals in Tehran, Iran

    OpenAIRE

    Arab, M; Tabatabaei, SM Ghazi; Rashidian, A; Forushani, A Rahimi; Zarei, E

    2012-01-01

    Background: Service quality is perceived as an important factor for developing patient’s loyalty. The aim of this study was to determine the hospital service quality from the patients’ viewpoints and the relative importance of quality dimensions in predicting the patient’s loyalty. Methods: A cross-sectional study was conducted in 2010. The study sample was composed of 943 patients selected from eight private general hospitals in Tehran. The survey instrument was a questionnaire included 24 i...

  18. Case Study of Survey of Occasional Application of Vinasse in Compost Production in Different Phases (during Production and after Producing Compost, at Waste Resumption Complex of Aradkooh in Tehran

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    A. Hemati

    2016-02-01

    Full Text Available Introduction: Recycling organic wastes has vital roles in sustainable agriculture, reducing pollutants in the environment, and nutrient enrichment of soils. Compost is the product of recycling organic waste through anaerobic treatment, which can be a good alternative.Again the use of chemical fertilizers is inappropriate. Vinasse is brown material and it is a product of industrial production of alcohol from molasses. Vinasse, a by-product of ethanol production from molasses, is a highstrength effluent with a high content of organics, mainly organic acids, reducing substances, cultured matter and glycerol. The wastewater is characterized by high concentrations of potassium, calcium, chloride and sulphate ions, a high content of suspended solids, a high CoD (Chemical oxygen Demand level and a high temperature at the moment of generation.Vinasse can be used as a supplement for enhancing compost fertilizer quality, because it has plenty of organic matter and minerals. This research was done with the purpose of surveying application of vinasse in different levels on indices of compost producing (temperature, microbial population, nitrogen, carbon, the ratio C/N, nitrate, pH and EC and producing time in different phases (during the production and after compost production for 5 months in the waste resumption complex of Aradkooh in Tehran. Materials and Methods: The method used for compost production from solid waste material was ventilating the fixed mass. In this research, the volume of ventilation was 0.6 lit air for 1 lit waste material in a minute.Four different treatments (each three replicates were applied to the compost:C0 without vinasse (control, C1, C2 and C3, respectively 10, 20 and 30 ml vinasse per kg waste material. The following factors were measured during each phase: Total-N was measured by the Kjeldahl method and organic carbon was measured by the Walkley-Black method. Thermometers were used for temperature monitoring at different

  19. The Study of Oils Consumption Pattern and Its Related Factors in east Tehran

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    Farhad Jafari

    2013-09-01

    Full Text Available Background & Objective: Inappropriate use of fat in diets is a significant risk factor that can cause cardiovascular diseases, morbidity, and mortality in the world. This study was designed to determine the fat consumption pattern in east Tehran habitants. Materials & Methods: In this cross sectional study 500 east Tehran habitants were evaluated. Data was collected by a questionnaire designed by the authors of the present study. The validity and reliability of the questionnaire was confirmed in a pilot study. The Data was analyzed with SPSS software. Results: The average of family members was 3.9±1.4. The highest amount ofoil consumed was that of solid candy oil, while The lowest was animal oil. For cooking, 36.8% and 31% of samples were using liquid oil and solid candy oil, respectively. For fraying 33.8%, 20%, 32.4% of samples were using liquid oil, solid candy oil and frying oil, respectively. a relationship was found between higher educational level and mothers working out of the house and higher consumption of liquid oil, fraying oil and olive oil (p<0.001. High age, housekeeper mothers and higher family span were associated with the higher consumption of solid oils, butter and ghee (p<0.02. Conclusion: This study revealed that the significant portion of daily oil consumption of Tehran habitants consist of solid oils. It seems to be necessary to organize proper training programs to increase social awareness about the hazards of solid saturated fats.

  20. How do customers evaluate hotel service quality? An empirical study in Tehran hotels

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    Seyedvahid Najafi

    2013-12-01

    Full Text Available The purpose of this study is to investigate the dimensions of hotel service quality, to assess relative importance of them and to evaluate service quality of Tehran hotels in terms of guests’ perspectives. The paper examines the reliability and validity of the designed scale based on SERVQUAL model. A cross-sectional research based on SERVQUAL model conducted on nine hotels in Tehran (n=1080. Several statistical analyses such as EFA, CFA, Linear regression and t-test were applied to analyze the data. Five service quality dimensions were identified and named as “tangibles”, “problem solving”, “service supply”, “empathy” and “security”. Even though our findings confirmed five dimensional SERVQUAL constructs, some dimensions have been identified differing from SERVQUAL scale dimensions. Finding showed that the best overall service quality predictor is “tangibles” followed by “service supply”, “problem solving”, “assurance” and “empathy”.

  1. Feasibility Study of Document Delivery Services in Special Libraries in Tehran

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    Assiyeh Pour- Emam- Ali

    2006-10-01

    Full Text Available The present study investigates the feasibility of establishing document delivery services in special libraries in Tehran. Document delivery services is copyright-cleared hard copy or electronic copy supply to individuals or corporations on a non-profit or for-profit basis. A descriptive survey was conducted over 105 special libraries located within Tehran. Capabilities studied included manual and automated equipments, skilled and motivated manpower, adequate budget and etc. Investigations show that 8.42% of these libraries use web-sites for resource location. 5.43% employ bibliographies. 5.36% of users lodge their requests by phone. 2.32% of the libraries receive requests in person. 3.14% of librarians are familiar with English while 6.28% are familiar with IT. 5.27% of the libraries studied use British library Document Supply Center at Boston Spa as their primary source of Foreign Document acquisition. 5.32% of the libraries consider membership in Interlibrary Cooperative Schemes as appropriate means of meeting patrons’ information needs. Maximum request response time is 3-4 weeks. 3.28% of the requests are for books. 6.88% of the special libraries, lack staff training courses for skill acquisition in the area of document delivery. 8.29% of libraries cite lack of adequate equipment as the main document delivery obstacle. The findings demonstrate the document delivery service among special libraries in Tehran is not appropriate given the existing capabilities.

  2. Studying the Relationship between Economic Massive Changes with Earnings Management of Listed Companies in Tehran Stock Exchange

    OpenAIRE

    RAHMANİ SERYASAT, Hamid; PİRAYESH, Reza; NOORALİDOKHT, Hamid

    2015-01-01

    Abstract. This study investigates the relationship between earnings management and profitability of companies listed in Tehran stock exchange and its purpose is to examine the existence of earnings management phenomenon of listed companies in Tehran stock exchange. One of the executives' main objectives about earning management is creation a more stable flow, in order to support higher earning payments. More stable earnings flow can be perceived as a lower risk that leads to higher stock pric...

  3. Acute disseminated encephalomyelitis in children. A descriptive study in Tehran, Iran

    International Nuclear Information System (INIS)

    Samile, N; Hassan, T.

    2007-01-01

    To determine the frequency, etiology (viral infection or vaccination), presenting signs and symptoms, response to therapy, complication and course of acute disseminated encephalomyelitis (ADEM) in our hospitals. A 2-year retrospective, descriptive, chart review of children with final diagnosis of ADEM in 2 hospitals (Hazrat Rasool and Mofid in Tehran, Iran during 2000-2002) was carried out. The diagnosis is based upon clinical presentation, physical examination and ruling out of other disease (imaging, laboratories and so forth) of expert pediatric neurologists. Acute disseminated encephalomyelitis was documented in all cases by characteristics MRI changes included inflammation and demyelination in subcortical or periventricular regions. Acute disseminated encephalomyelitis were diagnosed in 15 patients. More than half of patients were between 9-14 years old. It was rare in 1-5 years old children. It had an abrupt onset, preceding infection/vaccination with no gender differences. Approximately 46.4% of cases had a recent upper respiratory tract illness. Varicella zoster virus infection, urinary tract infection, and mycoplasma pneumoniae were observed. Presentation signs included ataxia, decreased consciousness, fever plus nausea/vomiting, cranial nerve involvement, dysarthric speech, convulsion, hemiparesis, paresthesia, meningismus, and headache. We identified inflammation and demyelination in subcortical than periventricular lesions by magnetic resonance imaging. Prognosis was excellent with low mortality rate (6.6%). Acute disseminated encephalomyelitis is common in our children, possibly because of the high prevalence of causative infections. Due to advances in control of traditional exanthematous diseases such as measle, rubella and so forth, most cases of ADEM in this study followed non-specific upper respiratory infections. Differentiation of ADEM from a single episode of multiple sclerosis is difficult. Diagnosis of multiple sclerosis should be carried out

  4. Pathologic analysis of control plans for air pollution management in tehran metropolis: A qualitative study

    Directory of Open Access Journals (Sweden)

    Narges Salehi Shahrabi

    2013-01-01

    Full Text Available Background: Regarding the importance of air pollution issue for large cities, as Tehran metropolis, many plans, programs, projects and regulations have been developed to manage urban air pollution. However, most of them failed to decline the pollution. The purpose of this study is to pathologically analyze air-pollution control plans in order to offer effective solutions for Tehran metropolis. Methods: A qualitative content analysis and a semi-structured interview with 14 practicing professionals were used to identify key causes and sources of Tehran′s air pollution, to recognize challenges and obstacles towards effective performance of air-pollution control plans in this metropolitan area, and to suggest the most effective controlling solutions. Results: Challenges related to air-pollution control plans can be divided into two major categories: Firstly lack of integrated and organized stewardship and secondly those related to political, economical, social and technical environmental abbreviated as PEST, challenges. For effective control of the Tehran air pollution, the following eight controlling alternatives were identified: Systematization of plan preparation process, organizing the stewardship, standardization and utilization of new technologies and professional experts, cultural and infrastructural development, realization of social justice, developing coordination and controlling mechanisms, improving citizen′s participatory capacity, and focusing on effective management of fuel and energy. Conclusions: Controlling air pollution in Tehran should be considered as a priority for policymakers to make enforcements through applying a systemic cycle of preparation effective and comprehensive plans. Further, implement the enforcements and evaluate the environmental impact of the plans through involving all stakeholders.

  5. Immunity status in children with Bacilli Chalmette-Guarin addition's: A prospective study in Tehran, Iran

    International Nuclear Information System (INIS)

    Samileh, Noorbaksh; Ahmad, Siadati; Lida, F.; Farzaneh, A.; Mohammad, N.; Shahnaz, R.

    2006-01-01

    Objective was to determine the immunity status of children with Bacille Calmette-Guerin (BCG) lymphadenitis (patient group) and unaffected children (control group) in Iran. We performed this longitudinal case-control study on 75 children between 2 months to 14 years old in Rasool Akram and Markaz Tebbi Hospital, Tehran, Iran during the period of 2 years (2000-2002). Ninety percent of patients had normal immunoglobulin, 10% had low level, 96.1% had normal nitro blue tetrazolium test and 3.9% had lower activity. There was a significant difference in the total lymphocyte CD3,CD8, CD19, CD16/CD56 and natural killers (NK) cell but no significant difference in the CD4/CD8 ratio and CD4 between case (n=75) and control (n=100) groups. Thirty-eight cases with mild lymphoenia, isolated CD4, CD3, CD19, NK cells (CD16/CD56) deficiency in 3 (22%); idiopathic disseminated BCG infection (unknown immunodeficiency type) in 3 (22%) patients were observed. Thirty-eight cases are diagnosed as mild immune deficient without any previous recurrent infections (mild lymphopenia; Isolated CD4; CD3 or CD19 deficiency. Natural killers (CD16/CD56) deficiency in 3 (22%); idiopathic disseminated BCG infection (unknown immunodeficiency type) in 3 (22%) patients. The natural killers (CD16/CD56) deficient cases respond well to 3 antimycobacterial drugs without immunomodulator. Natural killer's cells deficiency not yet reported as a risk factor for progression and complication of BCG infection. All cases of idiopathic disseminated BCG infection (unknown immunodeficiency type) with nonlethal and indulgent BCG infections responded well to needle aspiration and antimycobacterial drugs with immunomodulator (gamma interferon). In cases with multiple and recurrent BCG lymphadenitis without any previous recurrent infection complete immunological studies should be carried out. Most cases with mild immune deficiency usually response well to needle aspiration alone or combine with antimycobacterial drugs. The

  6. Evaluation of the Association between Air Pollutants and Number of Cases with Severe Acute Respiratory Syndrome Recorded at Emergency Medical Centers in Tehran, Iran in 2013

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    sadegh khazaei

    2016-09-01

    Full Text Available Introduction and purpose: Air pollution is an important risk factor for the environment and public health, associated with increased severity of respiratory diseases. This study aimed to evaluate the association between various air pollutants and number of cases with severe acute respiratory syndrome referred to emergency medical centers in Tehran, Iran in 2013. Methods: In this ecological study, the relationship between air pollution and acute respiratory symptoms in patients referred to the emergency centers of Tehran in 2013 was assessed. In total, 36787 patients with acute respiratory symptoms has been registered in these centers. Data on the number of cases with acute respiratory symptoms and air pollutants of emergency centers and air quality monitoring stations were collected. Moreover, Poisson regression was used to assess the relationship between air pollutant concentrations (PM2.5, SO2, NO2, O3, CO and the number of cases with severe acute respiratory syndrome. Results: The results of the current study demonstrated that CO (weekly average IRR=1.1 and SO2 (three days average IRR=1.03 and weekly average IRR= 1.04 increased the risk of respiratory diseases 10%, 3%, and 4%, respectively. Consequently, longer duration of pollutants would increase the risk of respiratory syndromes. Conclusion: According to the results of this study, increased air pollutant concentrations could be associated with escalated number of patients with acute respiratory symptoms referred to the emergency medical centers in Tehran.

  7. A study on investors’ personality characteristics and behavioral biases: Conservatism bias and availability bias in the Tehran Stock Exchange

    Directory of Open Access Journals (Sweden)

    Mahmoud Moradi

    2013-04-01

    Full Text Available Most economic and finance theories are based on the assumption that during economic decision making, people would act totally rational and consider all available information. Nevertheless, behavioral finance focuses on studying of the role of psychological factors on economic participants’ behavior. The study shows that in real-world environment, people are influenced by emotional and cognitive errors and may make irrational financial decisions. In many cases, the participants of financial markets are not aware of their talents for error in decision making, so they are dissatisfied with their investments by considering some behavioral biases decisions. These decisions may often yield undesirable outcomes, which could influence economy, significantly. This paper presents a survey on the relationship between personality dimensions with behavioral biases and availability bias among investment managers in the Tehran Stock Exchange using SPSS software, descriptive and inferential statistics. The necessary data are collected through questionnaire and they are analyzed using some statistical tests. The preliminary results indicate that there is a relationship between personality dimensions and behavioral biases like conservatism bias and availability bias among the investors in the Tehran Stock Exchange.

  8. Cultural intelligence and network organizations in society: Case of Tehran neighborhood councils

    Directory of Open Access Journals (Sweden)

    Salamzadeh Yashar

    2016-01-01

    Full Text Available Network communications is one of the modern ideas in the field of organizational behavior. On the other hand, the ability to communicate with employees and understand the cultural differences between them in a multicultural environment is one of the key skills that managers and employees need them in the nowadays organizations. These skills are introduced as cultural intelligence in organizations that have ability to respond to many challenges in multicultural environments. This article was aimed to analysis the relationship between cultural intelligence and network communication. These questionnaires were distributed between 134 members at the Tehran neighborhood councils. In order to analyzing data and concluding results, SPSS, and then Pearson correlation test were used. The research was done based on structural equation modeling (SEM. The result indicated that there was significant positive relationship between cultural intelligence and network communication. Also there was significant positive relationship between each dimension of cultural intelligence and network communication. Findings show that cultural intelligence is a basic factor in network communication and confirm the main hypothesis of this study which represents the existence of a positive and meaningful relation between cultural intelligence and network communication. Furthermore, the results show that considering this kind of intelligence, especially in network organizations which has a high ethnic and cultural variety, could be very useful for improve employees and managers communications.

  9. Mental Health Status of Medical Students in Tehran: A Cross Sectional Study

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    Mohammad-Reza Sohrabi

    2015-12-01

    Full Text Available Background: Mental health of medical students who will be responsible for community health has great importance. This study was designed to determine the prevalence of probable mental disorders during the internship period of medical students.    Methods: This descriptive cross sectional study evaluated 404 medical students of Shahid Beheshti University of Medical Sciences, in Tehran, the capital of Iran. The data collecting instrument was a self-rated questionnaire including standard mental health questionnaire SCL-90-R, demographic and socio-economic data. The score 0.7 and above were designated as possible cases of mental disorders. Analysis performed by SPSS software, version 14 (SPSS Inc, Chicago, Il, USA. p-value<0.05 was considered significant.  Results: 53.8% of participants were female, and 79.4% were single. From all participants, 14.1% had Global Severity Index (GSI score more than 0.7. Mean and standard deviation of GSI score was 0.32 (0.27. The frequency of probable mental disorder in medical students was 16.3% in somatization; 24.5% in obsessive-compulsive; 15.6% in interpersonal sensitivity; 16.8% in depression; 18.8% in anxiety; 14.6% in hostility; 11.4% in phobic anxiety; 16.8% in paranoid ideation and 13.9% in psychoticism. Students who had no children, lived in dormitory, had good economic status and were satisfied with their private life and studying course had significantly lower GSI scores.  Conclusion: Between 11 to 24% of the students had mental disorders in different dimensions and economic status, living place and number of children were related to the disorders.

  10. Spatiotemporal simulation of urban growth patterns using agent-based modeling: The case of Tehran

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    Jokar Arsanjani, J.; Helbich, M.; Vaz, E.

    2013-01-01

    Rapid urban growth is becoming a serious problem in most developing countries. Tehran, the capital of Iran, stands out as a vibrant metropolitan area, facing uncontrolled urban expansion. Public authorities and decision makers require planning criteria regarding possible spatial developments. To

  11. Profiles of risk: a qualitative study of injecting drug users in Tehran, Iran

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    Green Traci

    2006-03-01

    Full Text Available Abstract Background In Iran, there are an estimated 200,000 injecting drug users (IDUs. Injecting drug use is a relatively new phenomenon for this country, where opium smoking was the predominant form of drug use for hundreds of years. As in many countries experiencing a rise in injecting drug use, HIV/AIDS in Iran is associated with the injection of drugs, accounting for transmission of more than two-thirds of HIV infections. This study aimed to: describe the range of characteristics of IDUs in Tehran, Iran's capital city; 2 examine the injecting-related HIV risk behaviors of IDUs, and 3 suggest necessary interventions to prevent HIV transmission among IDUs and their families and sex partners. Methods Using rapid assessment and response methods with a qualitative focus, six districts of Tehran were selected for study. A total of 81 key informants from different sectors and 154 IDUs were selected by purposeful, opportunistic and snowball sampling, then interviewed. Ethnographic observations were done for mapping and studying injecting-related HIV risk settings and behaviors. Modified content analysis methods were used to analyze the data and extract typologies of injecting drug users in Tehran. Results Evidence of injecting drug use and drug-related harm was found in 5 of 6 study districts. Several profiles of IDUs were identified: depending on their socioeconomic status and degree of stability, IDUs employed different injecting behaviors and syringe hygiene practices. The prevalence of sharing injection instruments ranged from 30–100%. Varied magnitudes of risk were evident among the identified IDU typologies in terms of syringe disinfection methods, level of HIV awareness, and personal hygiene exhibited. At the time of research, there were no active HIV prevention programs in existence in Tehran. Conclusion The recent rise of heroin injection in Iran is strongly associated with HIV risk. Sharing injection instruments is a common and complex

  12. Study of local winds over Tehran using WRF in ideal conditions

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    I Soltanzadeh

    2011-09-01

    Full Text Available   Wind is the carrier of pollutants and any other gaseous or particle matters in the atmosphere. Stable atmosphere with low wind provides favourable conditions for high contamination of pollutants in urban areas. The importance of mesoscale atmospheric flows in air pollution dispersion has been recognized in the past three decades and has been the focus of intensive research; both observational and numerical. Mesoscale or local scale circulations are more prominent when the synoptic pressure gradients are weak, allowing horizontal temperature contrasts to develop, which in turn lead to mesoscale pressure perturbations. Tehran, a city which is situated at the southern foothills of the Alborz Mountain chain has an average elevation of 1500m, and covers an area of 864 km2. Alborz Mountains have a significant influence on the dynamics and thermodynamic modification of wind regime over the city. At the same time, the Urban Heat Island effect (UHI can cause its own mesoscale flow, complicating an already complex local scale flow. The topography and the urban fabric can cause slope flows, mountain flows, and valley flows amongst many other factors. Th is paper focuses on the use of state-of-the-art atmospheric numerical model – The Weather Research and Forecasting (WRF – in an ideal situation to study the characteristics of the mesoscale flow systems that prevail over Tehran when air quality is unfavourable. So average sound of Radiosonde at Mehrabad station, for almost all the fair days of cold seasons from 2005 to 2008 was selected as an ideal initial condition and boundary condition with 10 × 10 km spatial and 12-hour temporal resolution. The simulations were carried out for a 3-day period in December 2005 when an aircraft , due to low visibility caused by high concentration of air pollution, crashed 2 miles away from the end of runway into an inhabited area. Three simulations were prepared. For the first experiment, called control run, we

  13. Factors Influencing Fast-Food Consumption Among Adolescents in Tehran: A Qualitative Study.

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    Askari Majabadi, Hesamedin; Solhi, Mahnaz; Montazeri, Ali; Shojaeizadeh, Davoud; Nejat, Saharnaz; Khalajabadi Farahani, Farideh; Djazayeri, Abolghasem

    2016-03-01

    The consumption of different types of fast food is increasingly growing in all parts of the world, both in developed and developing countries. Because of the changes and transitions in the lifestyle and dietary habits of people, an increasing number of people from different age groups, particularly adolescents and young adults, are inclined toward consuming fast food. The objective of this study was to investigate the factors influencing fast-food consumption among adolescents in Tehran, Iran. The present qualitative study was conducted in 2012 - 2013 in Tehran, the capital of Iran. To achieve the objective of this study, 42 adolescents were enrolled in this study through a purposive sampling method, and the required data was collected via individual semi-structured in-depth interviews. Data collection and analysis were carried out simultaneously, and the collected data was analyzed via a thematic content analysis and using MAXQDA 10 software. In this study after coding the transcribed interviews, the findings were categorized into three main themes as follows: personal views, social factors, and family factors. Each theme included several categories and subcategories, and the coded sentences and phrases were placed under each category and subcategory. The results of this study showed that the number of factors promoting fast-food consumption appeared to be more than the inhibiting factors and that the diverse factors at the individual and social level influenced fast-food consumption among adolescents.

  14. Pathologic Analysis of Control Plans for Air Pollution Management in Tehran Metropolis: A Cross-Sectional Study.

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    Salehi Shahrabi, Narges; Pourezzat, Aliasghar; Mobaraki, Hossein; Mafimoradi, Shiva

    2013-11-01

    The centralization of human activities is associated with different pollutants which enter into environment easily and cause the urban environment more vulnerable. Regarding the importance of air pollution issue for Tehran metropolis, many plans and regulations have been developed. However, most of them failed to decline the pollution. The purpose of this study was to pathologically analyze air-pollution control plans to offer effective solutions for Tehran metropolis. A Qualitative content analysis in addition to a semi-structured interview with 14 practicing professional were used to identify 1) key sources of Tehran's air pollution, 2) recognize challenges towards effective performance of pertinent plans and 3), offer effective solutions. Related challenges to air-pollution control plans can be divided into two major categories including lack of integrated and organized stewardship and PEST challenges. For controlling the air pollution of Tehran effectively, various controlling alternatives were identified as systematization of plan preparation process, standardization and utilization of new technologies & experts, infrastructural development, realization of social justice, developing coordination mechanisms, improving citizens' participatory capacity and focusing on effective management of fuel and energy. Controlling air pollution in Tehran needs a serious attention of policymakers to make enforcements through applying a systemic cycle of preparation comprehensive plans. Further, implement the enforcements and evaluate the environmental impact of the plans through involving all stakeholders.

  15. Study of Psycho-Social Factors Affecting Traffic Accidents Among Young Boys in Tehran.

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    Javadi, Seyyed Mohammad Hossein; Fekr Azad, Hossein; Tahmasebi, Siyamak; Rafiei, Hassan; Rahgozar, Mehdi; Tajlili, Alireza

    2015-07-01

    Unprecedented growth of fatalities due to traffic accidents in the recent years has raised great concerns and efforts of authorities in order to identify and control the causes of these accidents. In the present study, the contribution of psychological, social, demographic, environmental and behavioral factors on traffic accidents was studied for young boys in Tehran, emphasizing the importance of psychosocial factors. The design of the present study was quantitative (correlational) in which a sample population including 253 boys from Tehran (Iran) with an age range of 18 to 24 who had been referred to insurance institutions, hospitals, correctional facilities as well as prisons, were selected using stratified cluster sampling during the year 2013.The subjects completed the following questionnaires: demographic, general health, lifestyle, Manchester Driving Behavior Questionnaire (MDBQ), young parenting, and NEO-Five Factor Inventory (NEO-FFI). For data analysis, descriptive statistics, correlation coefficient, and inferential statistics including simultaneous regression, stepwise regression, and structural equations modeling were used. The findings indicated that in the psychosocial model of driving behavior (including lapses, mistakes, and intentional violations) and accidents, psychological factors, depression (P scope of these factors links accidents to other social issues and damages.

  16. The Effect of Service Quality on Patient loyalty: a Study of Private Hospitals in Tehran, Iran.

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    Arab, M; Tabatabaei, Sm Ghazi; Rashidian, A; Forushani, A Rahimi; Zarei, E

    2012-01-01

    Service quality is perceived as an important factor for developing patient's loyalty. The aim of this study was to determine the hospital service quality from the patients' viewpoints and the relative importance of quality dimensions in predicting the patient's loyalty. A cross-sectional study was conducted in 2010. The study sample was composed of 943 patients selected from eight private general hospitals in Tehran. The survey instrument was a questionnaire included 24 items about the service quality and 3 items about the patient's loyalty. Exploratory factor analysis was employed to extracting the dimensions of service quality. Also, regression analysis was performed to determining the relative importance of the service quality dimensions in predicting the patient's loyalty. The mean score of service quality and patient's loyalty was 3.99 and 4.16 out of 5, respectively. About 29% of the loyalty variance was explained by the service quality dimensions. Four quality dimensions (Costing, Process Quality, Interaction Quality and Environment Quality) were found to be key determinants of the patient's loyalty in the private hospitals of Tehran. The patients' experience in relation to the private hospitals' services has strong impact on the outcome variables like willingness to return to the same hospital and reuse its services or recommend them to others. The relationship between the service quality and patient's loyalty proves the strategic importance of improving the service quality for dragging and retaining patients and expanding the market share.

  17. Smoking and diet in healthy adults: a cross-sectional study in tehran, iran, 2010.

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    Heydari, Gholamreza; Heidari, Farrokh; Yousefifard, Mahmoud; Hosseini, Mostafa

    2014-04-01

    Smoking and unhealthy diet are two major risk factors for non-communicable diseases. The aim of this study was to investigate the possible association between these two risk factors amongst healthy adults 30-60 years old in Tehran, Iran. Overall, 2602 healthy adults 30 to 60 years old in Tehran were studied. The demographic characteristics, anthropometric and smoking status of the participants were questioned. The frequency of consumption of red meat, white meat, fruits and vegetables, dairy products, bread and cereals and fast food were questioned to be daily, weekly, monthly, once every 6 months or yearly and categorized as "healthy" or "unhealthy". Of the 2602 participants, 974 (37.4%) had smoked more than 100 cigarettes in their life time and continued daily or smoked occasionally. Smokers significantly consumed more fast food and white meat but less fruit and vegetables and dairy product (Pdiet. A positive association between cigarette smoking and unhealthy diet (OR=1.68; 95% CI: 1.40-2.03) were found. After adjusting the analysis for the effect of age, education and gender, the odds ratio of consuming unhealthy diet for the smoker increased to 1.83 (1.50, 2.25) compared with non-smoker. Our study found a noticeable association between cigarette smoking and unhealthy diet. Smoking cessation and changing diet program for smokers is recommended.

  18. Family power structure and identity styles in delinquent and nondelinquent Adolescents: A Comparative study in Tehran

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    Anahita Khodabakhshi Koolaee

    2016-08-01

    Full Text Available Normal 0 false false false EN-US X-NONE AR-SA Background: The present study was conducted to investigate the Family Power Structure (FPS and identity style in delinquent and non-delinquent juveniles in Tehran.Methods: To accomplish the goal of the study, 80 adolescent delinquents of the Correction and Rehabilitation Centers, aged between 15 and 18, were selected following cluster sampling procedure as well as 80 students of secondary school, aged between 15 and 18, in Tehran in 2014. To obtain data, FPS (Saidian, 2004 and Identity Style Inventory (ISI-6G: White et al, 1998 instruments were used. Data was analyzed between these two groups using independent t test, and Chi square test.Results: The findings indicated that there is a significant difference between delinquent and non-delinquent juveniles in FPS and its subscales (P<0.001 and identity style (P<0.001. Moreover, the informational identity style was related to lower levels of delinquency. In addition, a diffuse-evident identity style was found to be related to the delinquency.Conclusion: These findings emphasize that an inappropriate decision-making process pattern in a family has a significant effect on deviant behavior and identity style in adolescents. So, family counselors must pay attention to FPS in the therapeutic interventions (prevention and treatment for adolescent delinquency.Keywords: Parenting; Family; Juvenile Delinquency; Adolescent

  19. The epidemiologic study of children diseases under one year in Tehran

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    Babaeei Gh

    2001-07-01

    Full Text Available Infant mortality and morbidity present important challenges to those concerned with community health. We did this research to study epidemiology of diseases of infancy in city of Tehran. During 15 days, of 6395 deliveries in Tehran hospitals a cohort of 6267 live births entered this study. Follow up data were gathered in 1st, 3rd, 6th and 12th months of birth. In this period, 5382 occurrence of disease were reported. The most frequent were cardiopulmonary (52.3% and Gastrointestinal (26.6% diseases. Most of the events were seen in 6-12 months age group (30.5%. The lowest frequencies of infant diseases were seen in 19-35 years of maternal age (15.3%, as compared with >35 (35.4% and <19 (49.3% groups. Mortality ratio was 32/1000 live birth (198 death. The most common causes of death were cardiopulmonary (38%, infectious (21% and gastrointestinal (18% diseases. Control of infectious disease, development of educational programs for breast feeding and planning of proper age and interval of pregnancy are effective measures for reducing infant mortality and morbidity.

  20. An attitude study on the environmental effects of rationing petrol in Tehran

    International Nuclear Information System (INIS)

    Hanafizadeh, Payam; Navardi, Zeinab; Bamdad Soofi, Jahanyar

    2010-01-01

    The objective of this study is to assess the environmental effects of implementing petrol rationing and the issuance of fuel smartcards in central Tehran. The results and their application are significant from the perspective of preserving fuel sources and protecting the environment, both of which being among the goals of sustainable development. Through the analysis of soft data (owners of automobile and light pickup trucks attitude), 3 general hypotheses were assessed and the result was compared to hard data (the traffic situation information, petrol consumption and air pollution). The soft data was gathered using a comprehensive questionnaire which randomly distributed among 2000 automobile and pickup truck drivers in the central Tehran area who were at petrol stations to refuel their vehicles. The gathered data was then analyzed at two levels: descriptive and inferential. The results of this research reveal that according to the soft data, the smartcard project has resulted in a decline in traffic and petrol consumption and a rise in air pollution; furthermore, the positive cultural effects of this project have been comparatively prominent. The actual figures show that the project has led to lower traffic load and air pollution but petrol consumption remains the same as before. (author)

  1. Pattern of prenatal care utilization in Tehran: A population based longitudinal study.

    Science.gov (United States)

    Kolahi, Ali-Asghar; Abbasi-Kangevari, Mohsen; Abdollahi, Morteza; Ehdaeivand, Farnaz; Arshi, Shahnam

    2017-09-28

    To assess the pattern of prenatal care utilization in Tehran in 2015. A total of 2005 pregnant women who lived in the catchment area of the study participated. Participants were followed from the sixth week of pregnancy until birth. Data were collected either through interviews or from written medical records. More than 95% of mothers completed all eight prenatal care visits. Some 99% of mothers completed at least four visits. The prenatal care utilization was equal among all different socio-economic regions in Tehran. Gynecologists were the main healthcare providers in prenatal care visits. In addition, 75% of mothers went to gynecologists at their office or in hospitals for ordering first-trimester screening tests. Prenatal care utilization complied with both national guidelines and recommendations of World Health Organization regarding the number of conducted visits. Equal accessibility and availability of prenatal care service despite the socio-economical differences of families is suggestive of equity and social justice in terms of providing health services in both public and private sectors. Among healthcare providers, gynecologists were the main healthcare provider for prenatal care visits. Copyright © 2017 Australian College of Midwives. Published by Elsevier Ltd. All rights reserved.

  2. Quality of College Life (QCL of Students: A Study among Tehran and Kurdestan College Students

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    Leila Falahati

    2013-12-01

    Full Text Available The main aim of present study was to examine the quality of college life (QCL based on the model developed by Sirgy et aI., (20] 0. The research design was correlational and the sample was comprises of 400 students from three universities including Tehran, Allameh and Kurdestan, which the respondents were selected using random sampling method. Quality of college life measurement was included three main subjects about college life as satisfaction with academic aspect, social aspect and facilities and services. In order to analysis the data structural equation modeling (SEM were employed. Findings indicated that the satisfaction with services and facilities has significant effect on satisfaction with academic and social aspects of college life. Moreover findings revealed that satisfaction with quality of college life has significant effect on satisfaction with overall life among students. Results indicated that the satisfaction with academic aspect and facilities and services among Tehran's university students is higher than Kurdestan's university students. Based on present findings the quality of universities may receive more attentions by higher education system especially in low income provinces such as Kurdestan. Lack of facilities resulted in decreasing the quality of academic aspect, social aspect and quality of college life. Low satisfaction with college life is leading to decreasing the overall life satisfaction which resulted in issues such as depression, frustration and anxiety among students.

  3. Eating attitudes among adolescent girls in Tehran: A school-based study

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    Hasti Sanaei

    2016-07-01

    Full Text Available   Background: Eating attitude disorders may indicate an increased risk for eating disorders and their chronic health complications. The purpose of the present study was to determine the prevalence of eating attitude disorders and to identify the factors associated with them among female students in Tehran.  Methods: A total of 14–18-year-old high school girls (N=619 completed a standardized self-report Eating Attitude Test (EAT-26 questionnaire and a demographic questionnaire. Mental health problems were investigated by means of the Patient Health Questionnaire-2 and the Generalized Anxiety Disorders-2.  Results: Based on EAT-26 scores, 153 (24.7% students had eating attitude disorders. There was no relationship between abnormal eating attitudes and both individual and socioeconomic factors (P>0.05. Logistic regression analysis demonstrated that eating attitude disorders were significantly associated with depression [OR=1.8 (1.2-2.8, P=0.007], anxiety [OR=1.6 (1.1-2.4, P=0.04], and perception of body shape as overweight [OR=2.7 (1.7-4.3, P<0.001].  Conclusion: A relatively high rate of eating attitude disorders was found among adolescent school girls in Tehran. Related factors were body image and psychological issues including depression and anxiety. Preventive and screening programs in schools could identify students at risk and prevent development and complications of eating disorders.

  4. Study on attitudes of students of Islamic Azad University Tehran Medical Branch toward food safety, 2016.

    Science.gov (United States)

    Miri, Ali; Poursadeghiyan, Mohsen; Baneshi, Mohammad Mehdi; Biglari, Hamed; Yari, Ahmad Reza; Khammar, Alireza

    2017-05-01

    Given the importance of high-quality healthy food for humans, contamination control is the most important concern for healthy staff. To determine the attitudes of students at Islamic Azad University (Tehran Medical Branch) toward food safety. This cross-sectional and analytic-descriptive study was conducted on 326 students of Azad University of Medical Sciences in 2016. A self-made questionnaire consisting of 40 questions was used. The reliability of the questionnaire was confirmed using internal consistency method (Cronbach's alpha coefficient of 0.80). After collecting data, we use descriptive statistical indexes (mean and standard deviation) among demographic variables and the level of knowledge to describe and analyze the data. The participants' attitudes and operation are measured by Spearman tests, and the analytical results are given using SPSS version 20. According to the findings, 55.3, 30 and 14.7 percent of students had high, moderate and low attitude scores toward food safety, respectively. In addition, male and female students had equal attitudes toward food safety, and no significant relationship between sex and attitude was observed a significant difference (p>0.05), but between educational levels (p=0.008) and ages (p=0.001) of students significance was a positive correlation. Due to the low attitudes score of about half of the students of Islamic Azad University Tehran Medical Branch toward food safety, it can be claimed, food safety training in this community is required.

  5. Medium-to-high prevalence of screening-detected parkinsonism in the urban area of Tehran, Iran: data from a community-based door-to-door study.

    Science.gov (United States)

    Fereshtehnejad, Seyed-Mohammad; Shafieesabet, Mahdiyeh; Rahmani, Arash; Delbari, Ahmad; Lökk, Johan

    2015-01-01

    Parkinsonism occurs in all ethnic groups worldwide; however, there are wide variations in the prevalence rates reported from different countries, even for neighboring regions. The huge socioeconomic burden of parkinsonism necessitates the need for prevalence studies in each country. So far, there is neither data registry nor prevalence information on parkinsonism in the Iranian population. The aim of our study was to estimate the prevalence rate of probable parkinsonism in a huge urban area in Iran, Tehran using a community-based door-to-door survey. We used a random multistage sampling of the households within the network of health centers consisting of 374 subunits in all 22 districts throughout the entire urban area of Tehran. Overall, 20,621 individuals answered the baseline checklist and screening questionnaire and data from 19,500 persons aged ≥30 years were entered in the final analysis. Health care professionals used a new six-item screening questionnaire for parkinsonism, which has been previously shown to have a high validity and diagnostic value in the same population. A total of 157 cases were screened for parkinsonism using the validated six-item questionnaire. After age and sex adjustment based on the Tehran population, the prevalence of parkinsonism was calculated as 222.9 per 100,000. Using the World Health Organization's World Standard Population, the standardized prevalence rate of parkinsonism was 285 per 100,000 (95% confidence interval 240-329). The male:female ratio of probable parkinsonism was calculated as 1.62, and there was a significant increase in the screening rate by advancing age. The calculated rates for the prevalence of parkinsonism in our study are closer to reports from some European and Middle Eastern countries, higher than reports from Eastern Asian and African populations, and lower than Australia. The prevalence rate of >200 in 100,000 for parkinsonism in Tehran, Iran could be considered a medium-to-high rate.

  6. The Study of Personality Traits and Demographic Characteristics of Prisoners with Psychopathic Personality Disorder in Comparison with Ordinary Prisoners in Sample of Tehran Prisoners, Tehran, Iran.

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    D Ghaderi

    2012-07-01

    Full Text Available

    Background and Objectives: Most conducted research about psychopathy has been done among Western countries' prisoners and it has remained unclear whether these findings are applicable in other contexts. The aim of this is to survey personality traits and demographic characteristics of prisoners with psychopathic personality disorder in comparison with ordinary prisoners in sample of Tehran prisoners.

     

    Methods: This study was done based on descriptive method. 202 prisoners were selected among Ray City prisoners in Tehran and the applied method was sample available. All prisoners completed Hare (PCL-SV psychopathic personality disorder checklist and five personality traits Questionnaire, McCare and Costa (Neo-FFI. Data were analyzed by Pearson correlation, Regression, and T student for independent groups.

     

    Results: The prevalence of psychopathy disorder among prisoners of this group was reported 10.89. Statistical analysis by Pearson correlation test, regression analysis and T student independent groups, represent a significant positive relationship between Psychopaty and extraversion (p=1% and a significant negative relationship between openness and Psychopaty (p=5%, agreeableness and conscientiousness (p=1%, respectively. No relationship was found between psychopathy, and neurosis. Furthermore, results indicated that, in comparison with non-psychopathic prisoners, psychopathic prisoners were more neurosis and extraversion, however, they showed low level of openness, agreeableness and conscientiousness.

     

    Conclusion: According to the findings, psychopathic disorder and five personality traits are related. Therefore, futher studies in the field of examined variables can provide more information.

  7. A study on relationship between abnormal accruals and future profitability: Evidence from Tehran Stock Exchange

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    Mohammad Khodaei Valahzaghard

    2013-11-01

    Full Text Available This paper presents an empirical investigation to study the relationship between future profitability and abnormal accruals on selected firms from Tehran Stock Exchange (TSE. The study selects 223 firms from TSE market over the period 2007-2011. Using the regression analysis, the study shows there was no meaningful relationship between abnormal earnings and future profitability when the level of significance is five percent. There are also seven sub-hypotheses associated with the proposed study of this paper. The results indicate that while there were no meaningful relationship between firm size, ratio of book value to equity, capital expenditure, earnings quality, earning forecasted error and book value leverage on one side and future earnings, the study confirms a significance relationship between market leverage and future earnings.

  8. A Case Report of Nasopharyngeal Linguatuliasis in Tehran, Iran and Characterization of the Isolated Linguatula serrata

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    Z Pourmohammadi

    2008-04-01

    Full Text Available A vermiform specimen taken from a 10-year-old boy patient with the chief complain of sneezing, coughing and nasal dis-charge with a history of consumption of fast snack in the day before and liver of sheep in two weeks ago was referred for diagnosis to the Helminth Taxonomy Laboratory, Dept. of Mdical Parasitology and Mycology, School of Public Health, Tehran University of Medical Sciences, Iran in Dec. 2006. The specimen was processed and examined by light microscope and drew the features of specimen by Camera Lucida. Eventually, the specimen was diagnosed as third nymphal stage of Linguatula serrata.

  9. Effect of Air Pollution on the Emergency Admissions of Cardiovascular and Respiratory Patients, Using the Air Quality Model: A Study in Tehran, 2005-2014

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    Majid Kermani

    2016-04-01

    Full Text Available Background: Air pollution is one of the most important factors threatening the health of citizens. It increases the prevalence of cardiovascular and respiratory diseases as well as emergency admissions to hospitals in the polluted metropolitan cities. The present study was conducted using Air Quality (AirQ model and aimed to investigate the effects of air pollution on the number of emergency cardiovascular and respiratory patients admissions in Tehran hospitals during 2005-2014. Materials and Methods: This was cross-sectional study. First, the needed hourly information was received from the Bureau of Air Quality Control, and the Environmental Protection Agency of Tehran City. Then, the information was validated according to WHO criteria, and the statistical indicators and the stages required to quantify the harmful effects of air pollutants were calculated by using appropriate application. Results: According to the results, the number of cases admitted to the emergency ward of hospitals due to heart diseases (by exposure to particulate matter during the years 2005 to 2014 were respectively 1797, 1280, 1766, 1980, 2132, 2703, 2389, 2594, 2158, and 2291 cases, totaling 20990 persons, and for respiratory diseases (due to exposure to particulate matter during the same years were respectively 4643, 3301, 4650, 5117, 5511, 6999, 6180, 6452, 5577, and 5922 cases, totaling 54352 people. Also, the number of cases admitted to the emergency wards of hospitals due to chronic obstructive pulmonary disease caused by exposure to emissions of pollutants such as sulfur dioxide, nitrogen dioxide, and ozone were respectively, 1806, 2454, and 2941 cases. Conclusion: Air pollution in Tehran increases the load of emergency visits to hospitals and increases the risk of respiratory and heart diseases. Therefore, measures to reduce and control air pollution and to prepare, equip, and mobilize hospitals, particularly emergency wards, are among important priorities that

  10. Amphetamine use and its associated factors in body builders: a study from Tehran, Iran.

    Science.gov (United States)

    Angoorani, Hooman; Narenjiha, Hooman; Tayyebi, Behnoosh; Ghassabian, Akhgar; Ahmadi, Gelareh; Assari, Shervin

    2012-05-09

    Epidemiological studies on all types of illicit drug use among athletes are essential for both the sport community and drug control achievements. Here, we investigated the prevalence and associated factors of amphetamine use in body builders in Tehran, Iran, 2007. This study is a secondary analysis of a substance use survey done in 103 randomly selected gymnasia in Tehran (capital city of Iran). The survey was conducted from November 2007 to January 2008 and included 843 randomly selected bodybuilders (aged 40 years or less). By interviews via questionnaires the following data were obtained: age, job, marital status, education level, housing status, average monthly family income, number of family members, gymnasium area (m(2)), number of trainers, number of gymnasium members, initiation time (months), weekly duration of the sporting activity (h), monthly cost of the sporting activity, purpose of participating in sporting activity, and history of anabolic steroid and amphetamine use. One hundred twenty (13.3%) body builders reported a history of amphetamine use. According to the results of regression analysis, being married (risk ratio - RR = 0.540), and participating in body building to enhance self-esteem (RR = 0.423) or to enhance sport performance (RR = 0.545) had protective effects on amphetamine use. However, having university qualifications (RR = 1.843), using anabolic steroids (RR = 1.803) and participating in sport to maintain fitness (RR = 2.472) were linked to increased risk of amphetamine use. Well-educated bodybuilders were more likely to use amphetamines, and why this is so needs to be discovered. If further studies show that they are not aware of the dangers associated with amphetamine use, providing them with information should be considered.

  11. Drug Use among Street Children in Tehran, Iran: A Qualitative Study

    Directory of Open Access Journals (Sweden)

    Masoumeh eDejman

    2015-12-01

    Full Text Available Introduction and objective: Globally, children who work and live on the streets are at higher risk of undesired behavioral health outcomes, including increased drug use and abuse. Considering the rapid growth of this population in Iran and the lack of program planning that is partly due to a scarcity of research-based information, this study was conducted in 2013 to investigate drug use among street children in Tehran. Method: With a qualitative design, we conducted a Rapid Assessment and Response (RAS Survey of street children in Tehran, 2012-2013. Data were also obtained from ten focus group discussions with street children using semi-structured questionnaires and 27 in-depth interviews with key informants in governmental, non-governmental, and international organizations. Results: The variation in age at first use, type of drugs, and pattern of drug use were found based on ethnicity. Gypsy boys and girls reported consuming more alcohol than other groups. Drug use problems were commonly described among families of street children. Children whose parents had drug-use problems described using drugs earlier than other children. Informants reported that families with drug-related problems used children for procurement of drugs. Children themselves described using drugs to cope with stress, reduce physical and psychological stressors and problems such as fatigue, sadness, and pressure resulting from frequent failures in life. Conclusion: These results suggest that intervention and prevention programs dealing with drug use of street children in Iran should include family and peers when addressing drug use by street children.

  12. Medium-to-high prevalence of screening-detected parkinsonism in the urban area of Tehran, Iran: data from a community-based door-to-door study

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    Fereshtehnejad SM

    2015-02-01

    Full Text Available Seyed-Mohammad Fereshtehnejad,1,2 Mahdiyeh Shafieesabet,3 Arash Rahmani,4 Ahmad Delbari,1,5 Johan Lökk1,6 1Division of Clinical Geriatrics, Department of Neurobiology, Care Sciences, and Society (NVS, Karolinska Institutet, Stockholm, Sweden; 2Firoozgar Clinical Research Development Center (FCRDC, Firoozgar Hospital, 3Medical Student Research Committee (MSRC, Faculty of Medicine, 4Mental Health Research Center, Tehran Institute of Psychiatry, School of Behavioral Sciences and Mental Health, Iran University of Medical Sciences, Tehran, Iran; 5Iranian Research Center on Aging, University of Social Welfare and Rehabilitation, Tehran, Iran; 6Department of Geriatric Medicine, Karolinska University Hospital, Stockholm, Sweden Introduction: Parkinsonism occurs in all ethnic groups worldwide; however, there are wide variations in the prevalence rates reported from different countries, even for neighboring regions. The huge socioeconomic burden of parkinsonism necessitates the need for prevalence studies in each country. So far, there is neither data registry nor prevalence information on parkinsonism in the Iranian population. The aim of our study was to estimate the prevalence rate of probable parkinsonism in a huge urban area in Iran, Tehran using a community-based door-to-door survey.Materials and methods: We used a random multistage sampling of the households within the network of health centers consisting of 374 subunits in all 22 districts throughout the entire urban area of Tehran. Overall, 20,621 individuals answered the baseline checklist and screening questionnaire and data from 19,500 persons aged ≥30 years were entered in the final analysis. Health care professionals used a new six-item screening questionnaire for parkinsonism, which has been previously shown to have a high validity and diagnostic value in the same population.Results: A total of 157 cases were screened for parkinsonism using the validated six-item questionnaire. After

  13. The relationship between study skill and academic achievement in dental students of Tehran University of Medical Sciences

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    Shirazian Shiva

    2015-12-01

    Full Text Available Background and Aims: The purpose of the present study was to investigate the relationship between study skills and academic performance of dental students in Tehran University of Medical Sciences. Materials and Methods: 195 dental students at dental faculty of Tehran University of Medical Sciences in 2013 participated in this descriptive-analytical study. Data were collected using Congos´ Study Skills Inventory including six subscales. Grade Point Average (GPA indicated their academic performance. Data were analyzed using ANOVA and Tukey test. Results: The mean score of students’ study skills were 108 out of 200 with standard deviation of 22.06±0.7. Note taking had a significant correlation with GPA (P=0.015. Conclusion: Since no significant correlation between study skills and academic performance of the students was observed, it seems that there are other dynamics involved in their academic performance which have to be examined.

  14. The Effect of Service Quality on Patient loyalty: a Study of Pri-vate Hospitals in Tehran, Iran

    OpenAIRE

    E Zarei; A Rahimi Forushani; A Rashidian; SM Ghazi Tabatabaei; M Arab

    2012-01-01

    Background: Service quality is perceived as an important factor for developing patient's loyalty. The aim of this study was to determine the hospital service quality from the patients' viewpoints and the relative importance of quality dimensions in predicting the patient's loyalty. Methods: A cross-sectional study was conducted in 2010.The study sample was composed of 943 patients selected from eight private general hospitals in Tehran. The survey instrument was a questionnaire included 24 it...

  15. A Study on the Relationship between Proprietorship Concentration and Profit Management in the Companies Listed in Tehran Stock Exchange

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    Soghra Ranjbarian

    2017-04-01

    Full Text Available The presence of institutional investors may change the behaviors of companies. The impact of institutional investors on management decisions on financial affairs have been proven in other studies; yet, the present study aims to investigate the relationship between lack of information symmetry an concentration of proprietorship with profit management in the companies listed in Tehran Stock Exchange. The period under study included years 2004 to 2009. Rahavard Novin Computer application was utilized to collect the data; then they were calculated using Microsoft Excel.  SPSS computer application was used to test research hypothesis and conduct other statistical analysis using statistical methods like descriptive statistics, correlation (correlation coefficient, coefficient of determination, regression analysis and testing its coefficients, correlation analysis and test of coefficients and significance of the difference between two correlation coefficients. A total of 109 active companies in the stock exchange were selected as the sample of the study. Results on the first hypothesis revealed that the relationship between concentration of proprietorship and lack of information symmetry. In case of the second hypothesis, it is predicted that there is a significant relationship between profit management with lack of information symmetry and concentration of proprietorship. According to research results, investors and analysts ought to pay attention to factors like proprietorship composition, the level of information symmetry along with the figures published by the companies when making short and long-term decisions.

  16. A Study on the Relationship between Proprietorship Concentration and Profit Management in the Companies Listed in Tehran Stock Exchange

    Directory of Open Access Journals (Sweden)

    Soghra Ranjbarian

    2017-02-01

    Full Text Available The presence of institutional investors may change the behaviors of companies. The impact of institutional investors on management decisions on financial affairs have been proven in other studies; yet, the present study aims to investigate the relationship between lack of information symmetry an concentration of proprietorship with profit management in the companies listed in Tehran Stock Exchange. The period under study included years 2004 to 2009. Rahavard Novin Computer application was utilized to collect the data; then they were calculated using Microsoft Excel.  SPSS computer application was used to test research hypothesis and conduct other statistical analysis using statistical methods like descriptive statistics, correlation (correlation coefficient, coefficient of determination, regression analysis and testing its coefficients, correlation analysis and test of coefficients and significance of the difference between two correlation coefficients. A total of 109 active companies in the stock exchange were selected as the sample of the study. Results on the first hypothesis revealed that the relationship between concentration of proprietorship and lack of information symmetry. In case of the second hypothesis, it is predicted that there is a significant relationship between profit management with lack of information symmetry and concentration of proprietorship. According to research results, investors and analysts ought to pay attention to factors like proprietorship composition, the level of information symmetry along with the figures published by the companies when making short and long-term decisions.

  17. Applying decision tree for identification of a low risk population for type 2 diabetes. Tehran Lipid and Glucose Study.

    Science.gov (United States)

    Ramezankhani, Azra; Pournik, Omid; Shahrabi, Jamal; Khalili, Davood; Azizi, Fereidoun; Hadaegh, Farzad

    2014-09-01

    The aim of this study was to create a prediction model using data mining approach to identify low risk individuals for incidence of type 2 diabetes, using the Tehran Lipid and Glucose Study (TLGS) database. For a 6647 population without diabetes, aged ≥20 years, followed for 12 years, a prediction model was developed using classification by the decision tree technique. Seven hundred and twenty-nine (11%) diabetes cases occurred during the follow-up. Predictor variables were selected from demographic characteristics, smoking status, medical and drug history and laboratory measures. We developed the predictive models by decision tree using 60 input variables and one output variable. The overall classification accuracy was 90.5%, with 31.1% sensitivity, 97.9% specificity; and for the subjects without diabetes, precision and f-measure were 92% and 0.95, respectively. The identified variables included fasting plasma glucose, body mass index, triglycerides, mean arterial blood pressure, family history of diabetes, educational level and job status. In conclusion, decision tree analysis, using routine demographic, clinical, anthropometric and laboratory measurements, created a simple tool to predict individuals at low risk for type 2 diabetes. Copyright © 2014 Elsevier Ireland Ltd. All rights reserved.

  18. How to perform Energy Trace & BarrierAnalysis (ETBA in industries? Acase study in Isomax Unit of Tehran refinery

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    J Adl

    2006-04-01

    Full Text Available Background and Aims: People, equipments and properties are continuously exposed tonumerous hazards while technology develops. The global increasing rate of accidents and workrelatedinjuries, especially in Iran, is an evidence for these hazards. There are numerous methodsfor hazard analysis such as the Energy Trace & Barrier Analysis (ETBA, which is a process ofanalysis based on system safety for detecting and definition of hazards and also risks that maycause system damage.Method: This is a case study in the Isomax unit of Tehran refinery and allied section. Datecollection and completion of the ETBAsheets were conducted through observation and interviewmethod with experts, walking - talking through method, investigation of technical and operativedocuments.Results: Twelve different kinds of energy and 28 subgroups were investigated. The types ofenergies, existence barriers, vulnerable targets, risk assessment code, and adequacy of barriers aswell as recommendations for decreasing risk level through tolerable risk were identified.Conclusion: The results of this study show potential application of ETBA in different industries,especially chemical industry, which is a method for identification hazards and prevention ofwork-related injuries.

  19. Comparison of menarche age between two generations (tehran lipid and glucose study)

    International Nuclear Information System (INIS)

    Ainy, E.; Aziz, F.

    2007-01-01

    Menarcheal age is considered to be an indicator of puberty. There is a lack of information on menarcheal age in Tehranian girls, in comparison to that of their mothers. This cross-sectional study was aimed at comparing the age of menarches between two generations. The subjects were 812 (406 daughters and 406 mothers) chosen from among 15005 participants of the longitudinal Tehran Lipid and Glucose Study. Demographic information and the age of menarche were recorded in a questionnaire. We have considered a minimal of 25 years duration to be one generation. Distribution of the menarcheal age and linear regression were performed. The mean age of menarche in daughters and their mothers were 13.2+-1.4 and 13.6+-1.5 years, respectively. There was significant correlation between the mother and daughter menarcheal age (r=0.25, P<0.002). 25th, 50th and 75th percentiles for menarcheal ages in daughters and their mothers were 12.2, 13.1, 14.1 and 12.7, 13.5, 14.5 years respectively. Minimum and maximum ages of menarche were the same (10 and 18 years) in the two groups. We found a decrease in the average menarcheal age during 25 years (one generation) similar to the results of other studies. (author)

  20. Seroepidemiology of hepatitis A and E virus infections in Tehran, Iran: a population based study.

    Science.gov (United States)

    Mohebbi, Seyed Reza; Rostami Nejad, Mohammad; Tahaei, Seyed Mohammad Ebrahim; Pourhoseingholi, Mohammad Amin; Habibi, Manijeh; Azimzadeh, Pedram; Naghoosi, Hamed; Karayiannis, Peter; Zali, Mohammad Reza

    2012-09-01

    Hepatitis A virus (HAV) and hepatitis E virus (HEV) are enteric hepatotropic viruses and their prevalence is related to the sanitary conditions of the region under investigation. There are only a few studies on the seroepidemiology of these two viruses in the general Iranian population. The purpose of this investigation was to measure the prevalence of hepatitis A and E infections in the general population. Between 2006 and 2007, a cross sectional study was performed in Tehran, Iran. Blood specimens were collected and questionnaires were filled in for 551 persons. Patient sera were tested by ELISA for anti-HEV and anti-HAV IgGs. The χ(2) test and independent t-test were used for statistical analysis and pviruses are endemic in this region. These findings are in accordance with results obtained from previous studies. We recommend that foreign travelers to Iran are vaccinated against HAV. Copyright © 2012 Royal Society of Tropical Medicine and Hygiene. Published by Elsevier Ltd. All rights reserved.

  1. The study of fungal contamination in three current packed spices in the markets of Tehran: brief report

    OpenAIRE

    Mohammad Mansouri; Ensieh Zibafar; Seyed Jamal Hashemi; Mohsen Gerami Shoar; Roshanak Daie Ghazvini

    2015-01-01

    Background: Spices (flavorings) are contaminated to microbial agents such as filamentous and yeast fungi during production processing. Almost these are grown and harvested in warm and humid areas of the world where the growth of a wide variety of organisms is readily supported. The aim of this study was to assess the fungal contaminations of three current spices including turmeric, black pepper and cinnamon from some supermarkets in Tehran and evaluating of their hygienic quality. Methods:...

  2. Study of knowledge sharing and university libraries website management in Tehran City

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    Mohaddeseh Dokhtesmati

    2014-02-01

    Full Text Available Knowledge sharing (KS is a process through which individuals mutually exchange their knowledge with each other and potentially through this process, opportunity for learning new experiences, training and implementing experience, skills and abilities are provided. Therefore, KS is important for various organizations. Accordingly, and because of the importance of KS, this research studies the status of KS and management of public universities’ central libraries websites in Tehran city. Survey method is pilot-descriptive and research tool is a questionnaire. Research community is staffs and stakeholders who are working or commenting on websites. Results of research show that sharing knowledge and influencing factors (including individual factors, organizational and information technology in the study population have a more favorable situation. Findings indicate that among the above three factors, organizational factors than other factors are more barriers on KS. Website management does not have good situation and website management by libraries and good condition, by a library is limited to content part and other parts of technical and structural are managed by the University’s IT Section. Employee’s capabilities and skills that could be effective on working with the website and KS do not have good situation, especially in website’s structural and technical parts and staffs have more skill for working with the content of website. In all, although KS has a good situation among staffs, but KS and management of website is not coherent, dynamic and efficient.

  3. Taxi drivers' views on risky driving behavior in Tehran: a qualitative study using a social marketing approach.

    Science.gov (United States)

    Shams, Mohsen; Shojaeizadeh, Davoud; Majdzadeh, Reza; Rashidian, Arash; Montazeri, Ali

    2011-05-01

    The use of the social marketing approach for public health issues is increasing. This approach uses marketing concepts borrowed from the principles of commercial marketing to promote beneficial health behaviors. In this qualitative study, four focus groups involving 42 participants were used in consumer research to explore taxi drivers' views on the driving situation and the determinants of risky driving behaviors in Tehran, as well as to gather their ideas for developing a social marketing program to reduce risky driving behaviors among taxi drivers in Tehran, Iran. Participants were asked to respond to questions that would guide the development of a marketing mix, or four Ps (product, price, place and promotion). The discussions determined that the program product should involve avoiding risky driving behaviors through increased attention to driving. They pointed out that developing and communicating with a well-designed persuasive message meant to draw their attention to driving could affect their driving behaviors. In addition, participants identified price, place and promotion strategies. They offered suggestions for marketing nonrisky driving to the target audience. The focus group discussions generated important insights into the values and the motivations that affect consumers' decisions to adopt the product. The focus group guided the development of a social marketing program to reduce risky driving behaviors in taxi drivers in Tehran, Iran. Copyright © 2010 Elsevier Ltd. All rights reserved.

  4. Investigating the Effect of Rational and Emotional Advertising Appeals of Hamrahe Aval Mobile Operator on Attitude towards Advertising and Brand Attitude (Case Study: Student Users of Mobile in the Area of Tehran)

    OpenAIRE

    Mohsen Sadeghi; Meysam Fakharyan; Rozita Dadkhah; Mohammad Reza Khodadadian; Simin Nasrolahi Vosta; Mahdi Jafari

    2015-01-01

    Recently, increasing competitive circumstances in telecommunication network of Iran market and accelerating private sector growth as well as providing more financial incentives for private sector led to increased need of companies to marketing and promotional activities, particularly TV advertising efforts. The influence of advertising on attitude toward brand is one of the critical issues in the area of advertising. Hence, this study aims to investigate the effect of emotional and rational T...

  5. Descriptive Qualitative Method of Evaluation from the Viewpoint of Math Teachers and Its Comparison with the Quantitative Evaluation (Giving scores) Method (A Case Study on the Primary Schools for Girls in Zone 1 of Tehran City)

    OpenAIRE

    Farnaz Ostad-Ali; Mohammad Hasan Behzadi; Ahmad Shahvarani

    2015-01-01

    In recent years, one of the most important developments which have been taking place in the primary school education system is the development of the qualitative-descriptive method of evaluating the students' achievements. The main goals of the qualitative-descriptive evaluation are improving the quality of learning and promoting the level of mental health in teaching-learning environments. Therefore, based on the the raised hypothesis, the purpose of this study is to investigate the teachers...

  6. Tehran Nuclear Research Center

    International Nuclear Information System (INIS)

    Taherzadeh, M.

    1977-01-01

    The Tehran Nuclear Research Center was formerly managed by the University of Tehran. This Center, after its transformation to the AEOI, has now become a focal point for basic research in the area of Nuclear Energy in Iran

  7. Perceived social support affects disease coping among people living with HIV: a study in Tehran, Iran

    Directory of Open Access Journals (Sweden)

    Elham Faraji

    2015-05-01

    Full Text Available Objective: To examine potential correlations between perceived social support and disease coping styles among people living with HIV infection at a referral center in Tehran. Methods: In an observational study, 112 patients were recruited between April and July 2012. Along with demographic characteristics, availability of tangible, informational, and emotional support was measured using subscales extracted from the medical outcomes study: social support survey; disease coping styles were investigated in four groups (problem-focused, emotion-focused, engagement-based, and meaning-based. Data were analyzed to examine whether social support subscales predict coping styles. Results: Almost 70% of the patients were male, and 52% reported sexual contact as their perceived route of infection. Use of coping styles was positively correlated with social support scores (rs = 0.53, P < 0.001, and informational support had significant influence on implementation of three out of the four coping styles (emotion-focused, problem-focused, engagement-based. Being married and not reporting the route of infection were associated with higher social support scores; monthly income and level of education had significant associations with the use of various coping styles. Conclusions: Patients who implement strategies to cope with HIV/AIDS have received more informational and emotional support. This study recommends that the delivery of informational support in a comprehensive package can practically target the current demands of our patients; while thorough investigation of potential effects on disease coping, response to treatment, and compliance can aid us in the design of interventions to target stigma at societal level.

  8. Buerger’s Disease in Tehran University of Medical Sciences Hospitals: A Fifteen Years Study

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    Salimi Javad

    2009-10-01

    Full Text Available Buerger's disease is an occlusive inflammatory disease of the small and medium-sized arteries and accounts for a variable proportion of patients with peripheral vascular disease throughout the world. The aim of this study was to review the records of Buerger's disease patients admitted to surgery wards of our university hospitals. 277 patients with Buerger's disease were surgically treated between 1987 and 2002, in affiliated hospitals of Tehran University of Medical Sciences, in Iran. Two hundred and seventy three (98.6% of the patients were male, aged 41.5 ± 11 years (mean ± SD; 99.6% of which were smokers with an average of 22.9 pack/years tobacco use. The major complaints included: ischemic ulcers in 203 (73.3%, CI 95%: 0.68-0.77 patients, rest pain in 201 (72.6%, CI 95%: 0.64-0.73, paresthesia in 143 (51.3%, CI 95%: 0.48- 0.58. Vascular bypass, sympathectomy and amputation were performed in 9.7% (CI 95%: 0.08-0.14 and 69.3% (CI 95%: 0.51-0.60 and 59.6% (CI 95%: 0.65-0.73 of the patients, respectively. Lumbar sympathectomy was carried out in 177 (63.9% patients, while 15 (5.4% patients underwent thoracic sympathectomy. In our study, afflicted patients were mostly young males, inveterate tobacco smokers. Patients presented frequently with ischemic ulcers or severe rest pain; thrombophlebitis and Raynaud's phenomenon were infrequent. Vascular reconstruction was rarely possible due to distal and segmental involvement; therefore sympathectomy and amputation were inevitable in a large group of patients in this study.

  9. A Study of Causes of Readmission Patients Toxicological Ward of the Loghman Hakim Hospital, in Tehran in 2014

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    R. Ghasempour

    2016-02-01

    Full Text Available Introduction: Readmission to hospital because of the impact on the cost and quality of hospital care and Impose an additional burden on the healthcare system, Is an important priority for hospital managers. The aim of Study Was causes of readmission patients toxicological ward of the loghman hakim hospital, Research in Tehran. Method: This is an applied cross-sectional retrospective study. Research community included Admissions in 1393 in toxicological ward of the loghman hakim hospital. Research Size based on Morgan is 300 clinical records. Sampling Method was simple randomly. Readmission in the present study in hospitalized form was more than one defined. Demographic data includes (age, gender, marital status, occupation, education and variables related to hospitalization (hospitalization Frequency, length of stay, and poisoning quality, discharge situation, referral and insurance by means of information form was extracted from records. In two level Descriptive statistics (frequency and percentage and inferential statistics (correlation chi-square test, dependent T test and Chi-square test were analyzed using SPSS21 software and hypothesis testing was done. Finding: During the study period300 readmission cases were hospitalized in toxicological ward of the loghman hakim hospital.13/4% patient was readmission. The readmission cause in 41/6% patient was related to family issues. It Can be named respectively emotional, spiritual, and addiction with regard to other topics. The total cost of treating patients was 206521754 Rials. The average cost of stay per patient 10256639 Rials, payment by patient 928136 Rials, and Subsidies health payment by health ministry was 1834370 Rials. Conclusion: The results of this study showed that, several factors may be involved in readmission to hospital patients poisons ,the most important of them can be mentioned in the four ares of family problems, emotional problems, mental problems and addiction.

  10. Studying the Environmental Health Status and Consumption of Baking Soda in Military and Urban Lavash Bakeries of Tehran in 2012

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    H Rostami

    2013-06-01

    Full Text Available Background and purpose:Consumption of baking soda, as a primary material for preparation of bread dough, has been banned due to its health complications in Iran. So bread production in our country faced difficulties and one part of them is related to health issues which are bread production. Also, in some cases, baking soda is used in the bread production. This study was done to study the environmental health status and consumption of baking soda in the military and urban Lavash bakeries of Tehran in 2012. Materials and methods:This is a descriptive comparative study done on Lavash bread production of 14 military bakeries and 14 corresponding urban bakeries near them. PH in the samples was tested based on Institute of Standards and Industrial Research of Iran No. 2628. To check the status of environmental health and personal hygiene of bakeries, the check list of Cereal Research Center was used. Results:In terms of environmental health status,28.6% military bakeries and7.1% urban bakeries were at good level. In terms of personal hygiene, all bakeries were in the poor category. Also,42.9% of military Lavash bakeries and 14.3% of urban Lavash bakeries used baking soda in their bread production. Conclusion:Environment health and personal hygiene status in military bakeries are better than the urban bakeries however, hygiene status was not desirable in military bakeries. Also, baking soda consumption in military bakeries was more common than the urban bakeries. According to the results of this study, control of health status and avoiding baking soda consumption in the bakeries are necessary.

  11. Treatment of Tehran refinery wastewater using rotating biological contactor

    Energy Technology Data Exchange (ETDEWEB)

    Ghazi, Masoud; Mirsajadi, Hassan; Ganjidoust, Hossien [Tarbeyat Modarres Univ., Teheran (Iran, Islamic Republic of). Environmental Engineering Dept.

    1993-12-31

    Tehran Refinery is a large plant which produces several petroleum products. The wastewaters are generated from several different refinery processes and units. Because of the wastewaters uniqueness they need to be treated in each specific plant. Currently, an activated sludge system is the main biological wastewater treatment process in Tehran refinery plant. A study was initiated in order to find a more suitable and reliable process which can produce a better treated effluent which might, in case the process be successful, be reused for irrigation lands. 5 refs., 5 figs.

  12. Treatment of Tehran refinery wastewater using rotating biological contactor

    Energy Technology Data Exchange (ETDEWEB)

    Ghazi, Masoud; Mirsajadi, Hassan; Ganjidoust, Hossien [Tarbeyat Modarres Univ., Teheran (Iran, Islamic Republic of). Environmental Engineering Dept.

    1994-12-31

    Tehran Refinery is a large plant which produces several petroleum products. The wastewaters are generated from several different refinery processes and units. Because of the wastewaters uniqueness they need to be treated in each specific plant. Currently, an activated sludge system is the main biological wastewater treatment process in Tehran refinery plant. A study was initiated in order to find a more suitable and reliable process which can produce a better treated effluent which might, in case the process be successful, be reused for irrigation lands. 5 refs., 5 figs.

  13. Determination of hazardous substances in food basket eggs in Tehran, Iran: A preliminary study

    OpenAIRE

    Salar-Amoli, Jamileh; Ali-Esfahani, Tahereh

    2015-01-01

    Extensive distribution of hazardous substances in food chain and the deleterious effect of their residues on public health are a great concern of the society. Chicken eggs, as one of the most popular food commodities, in different parts of Tehran (Iran) were analyzed for two groups of hazardous substances including some organochlorine pesticides (OC) such as aldrin, lindane, dieldrin, dichlorodiphenyltrichloroethane, heptachlor and endusulfan) and heavy metals namely mercury (Hg), arsenic (As...

  14. Dietary fructose and risk of metabolic syndrome in adults: Tehran Lipid and Glucose study

    Directory of Open Access Journals (Sweden)

    Hosseinpanah Farhad

    2011-07-01

    Full Text Available Abstract Background Studies have shown that the excessive fructose intake may induce adverse metabolic effects. There is no direct evidence from epidemiological studies to clarify the association between usual amounts of fructose intake and the metabolic syndrome. Objective The aim this study was to determine the association of fructose intake and prevalence of metabolic syndrome (MetS and its components in Tehranian adults. Methods This cross-sectional population based study was conducted on 2537 subjects (45% men aged 19-70 y, participants of the Tehran Lipid and Glucose Study (2006-2008. Dietary data were collected using a validated 168 item semi-quantitative food frequency questionnaire. Dietary fructose intake was calculated by sum of natural fructose (NF in fruits and vegetables and added fructose (AF in commercial foods. MetS was defined according to the modified NCEP ATP III for Iranian adults. Results The mean ages of men and women were 40.5 ± 13.6 and 38.6 ± 12.8 years, respectively. Mean total dietary fructose intakes were 46.5 ± 24.5 (NF: 19.6 ± 10.7 and AF: 26.9 ± 13.9 and 37.3 ± 24.2 g/d (NF: 18.6 ± 10.5 and AF: 18.7 ± 13.6 in men and women, respectively. Compared with those in the lowest quartile of fructose intakes, men and women in the highest quartile, respectively, had 33% (95% CI, 1.15-1.47 and 20% (95% CI, 1.09-1.27 higher risk of the metabolic syndrome; 39% (CI, 1.16-1.63 and 20% (CI, 1.07-1.27 higher risk of abdominal obesity; 11% (CI, 1.02-1.17 and 9% (CI, 1.02-1.14 higher risk of hypertension; and 9% (CI, 1-1.15 and 9% (1.04-1.12 higher risk of impaired fasting glucose. Conclusion Higher consumption of dietary fructose may have adverse metabolic effects.

  15. Dietary fructose and risk of metabolic syndrome in adults: Tehran Lipid and Glucose study.

    Science.gov (United States)

    Hosseini-Esfahani, Firoozeh; Bahadoran, Zahra; Mirmiran, Parvin; Hosseinpour-Niazi, Somayeh; Hosseinpanah, Farhad; Azizi, Fereidoun

    2011-07-12

    Studies have shown that the excessive fructose intake may induce adverse metabolic effects. There is no direct evidence from epidemiological studies to clarify the association between usual amounts of fructose intake and the metabolic syndrome. The aim this study was to determine the association of fructose intake and prevalence of metabolic syndrome (MetS) and its components in Tehranian adults. This cross-sectional population based study was conducted on 2537 subjects (45% men) aged 19-70 y, participants of the Tehran Lipid and Glucose Study (2006-2008). Dietary data were collected using a validated 168 item semi-quantitative food frequency questionnaire. Dietary fructose intake was calculated by sum of natural fructose (NF) in fruits and vegetables and added fructose (AF) in commercial foods. MetS was defined according to the modified NCEP ATP III for Iranian adults. The mean ages of men and women were 40.5 ± 13.6 and 38.6 ± 12.8 years, respectively. Mean total dietary fructose intakes were 46.5 ± 24.5 (NF: 19.6 ± 10.7 and AF: 26.9 ± 13.9) and 37.3 ± 24.2 g/d (NF: 18.6 ± 10.5 and AF: 18.7 ± 13.6) in men and women, respectively. Compared with those in the lowest quartile of fructose intakes, men and women in the highest quartile, respectively, had 33% (95% CI, 1.15-1.47) and 20% (95% CI, 1.09-1.27) higher risk of the metabolic syndrome; 39% (CI, 1.16-1.63) and 20% (CI, 1.07-1.27) higher risk of abdominal obesity; 11% (CI, 1.02-1.17) and 9% (CI, 1.02-1.14) higher risk of hypertension; and 9% (CI, 1-1.15) and 9% (1.04-1.12) higher risk of impaired fasting glucose. Higher consumption of dietary fructose may have adverse metabolic effects.

  16. Correlates of sexual satisfaction among Iranians women attending South Tehran health centers: A cross-sectional study

    Directory of Open Access Journals (Sweden)

    Zeinab Tavakol

    2014-08-01

    Full Text Available Introduction: Sexual activity not only is a crucial physiologic need, but also it has been associated with religious, mystical, and historical concepts. The aim of this study was to assess Iranian women’s sexual satisfaction and its correlating factors. Methods: This was a cross-sectional study at South Tehran health centers (STHCs, which were affiliated to Tehran University of Medical Sciences (Tehran, Iran. A convenience sample consist of 405 women who were married, had at least sixth-grade literacy level, were not addicted to opioids or alcohol, had no history of infertility, psychiatric, and physical disorders, and referred to STHCs to receive Primary Health Care services. Main outcome measures were women’s demographics, sexual function, and sexual satisfaction were assessed by a questionnaire. Results: Most women (58.2% had moderate sexual satisfaction. A significant direct association was shown between sexual satisfaction and couple’s educational level (P < 0.001, partner’s higher income (P = 0.037, regular menstruation (P = 0.005, and degree of woman’s love toward her partner (P < 0.001. There was a significant indirect association between sexual satisfaction and gravidity number (P = 0.029, and number of offspring (P = 0.006. Having sexual intercourse at least once a week (P = 0.003, equal sex request (P = 0.028, accepting partner’s request pleasingly (P < 0.001, experiencing sexual arousal (P < 0.001, and lubrication (P < 0.001 was directly associated with sexual satisfaction. Dyspareunia (P < 0.001 and difficulty to reach orgasm (P < 0.001 showed significant indirect association. Conclusion: Women sexual satisfaction associates with interpersonal and sexual factors. Creating opportunity for midwives in health centers to consult with couples, assess their quality of sexual function, educate them, and refer them to specialists if needed, is strongly recommended for healthcare systems of Iran.

  17. Serological study of Human Fasciolosis in Patients Referring to the School of Public Health, Tehran University of Medical Sciences, Tehran, Iran during 2008-2014.

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    Aryaeipour, Mojgan; Kia, Eshrat Beigom; Heidari, Zahra; Sayyad Talaie, Zahra; Rokni, Mohammad Bagher

    2015-01-01

    Fascioliasis is a zoonotic disease of livestock and human caused by Fasciola species. Here in, the results of serological evaluation of fascioliasis in people referring to the School of Public Health, Tehran University of Medical Sciences during 2008-2014 are presented. Demographic characterizations, symptoms and eosinophil rate were registered for every patient. Using somatic antigen of Fasciola, ELISA was performed and the results were analyzed. Data of questioners were analyzed as well. Among 206 applicants, 24.8% were seropositive for fascioliasis, included 21% female and 28.3% male. Mean range of age of patients was between 13 to 67 yr. The highest rate of seropositivity was found among 20-30 yr old patients. Most of the patients had hypereosinophilia. All patients had history of eating raw vegetables, or drinking unsafe water. Patients were referring from different provinces of Iran, including Gilan, Mazandaran, Tehran, Ardabil, Khuzestan, Lorestan, North Khorasan, Kermanshah, Azerbaijan, Fars, Kordestan, Hamedan and Markazi. During recent years, variety of provinces in Iran, where patients with fascioliasis are referred, has been increased. Patients coming from Gilan and Mazandaran provinces were referred early after the onset of their symptoms. Most probably, physicians in Gilan and Mazandaran are more alert on fascioliasis than other provinces. Previous wrong diagnosis was more common among patients referring from other provinces than Gilan and Mazandaran provinces.

  18. Serological study of Human Fasciolosis in Patients Referring to the School of Public Health, Tehran University of Medical Sci¬ences, Tehran, Iran during 2008-2014

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    Mojgan ARYAEIPOUR

    2015-12-01

    Full Text Available Background: Fascioliasis is a zoonotic disease of livestock and human caused by Fasciola species. Here in, the results of serological evaluation of fascioliasis in peo­ple referring to the School of Public Health, Tehran University of Medical Sci­ences during 2008-2014 are presented.Methods: Demographic characterizations, symptoms and eosinophil rate were registered for every patient. Using somatic antigen of Fasciola, ELISA was per­formed and the results were analyzed. Data of questioners were analyzed as well.Results: Among 206 applicants, 24.8% were seropositive for fascioliasis, included 21% female and 28.3% male. Mean range of age of patients was between 13 to 67 yr. The highest rate of seropositivity was found among 20-30 yr old patients. Most of the patients had hypereosinophilia. All patients had history of eating raw vegeta­bles, or drinking unsafe water. Patients were referring from different provinces of Iran, including Gilan, Mazandaran, Tehran, Ardabil, Khuzestan, Lorestan, North Khorasan, Kermanshah, Azerbaijan, Fars, Kordestan, Hamedan and Markazi.Conclusion: During recent years, variety of provinces in Iran, where patients with fascioliasis are referred, has been increased. Patients coming from Gilan and Mazanda­ran provinces were referred early after the onset of their symptoms. Most probably, physicians in Gilan and Mazandaran are more alert on fascioliasis than other provinces. Previous wrong diagnosis was more common among patients refer­ring from other provinces than Gilan and Mazandaran provinces.

  19. The 10-year trend of adult diabetes, prediabetes and associated risk factors in Tehran: Phases 1 and 4 of Tehran Lipid and Glucose Study.

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    Mahtab, Niroomand; Farzad, Hadaegh; Mohsen, Bahaeddini; Nakisa, Darvishi

    Type 2 diabetes is a global problem with significant morbidity and healthcare costs. In this study, we aimed to determine the 10-year trend of diabetes, prediabetes and their risk factors in the adult urban population of Tehran Lipid and Glucose Study (TLGS). In this cross-sectional study, we included all patients above 20 years of age who were registered in phases 1 and 4 of TLGS. Each phase had a 3-year duration. 4580 patients were recruited in each phase (916 patients in each age-group, including 3772 males and 5145 females). Random cluster sampling was used in phase 1 and convenience sampling was used in phase 4. Diabetes and glucose tolerance status were determined according to the 1991 criteria of the American Diabetes Association. In our five age groups, risk factors were compared, which included physical activity, waist circumference, body mass index, education, smoking, lipid profile and family history. Exclusion criteria were placement of an individual in the same age-group in the two phases and pregnancy. We calculated the prevalence of diabetes and dysglycemia in each age-group. Age-specific prevalence rates were determined. Prevalence of risk factors in the two phases were compared using chi-square test and Student t-test. Mann-Whitney U test was used to analyze the variables with non-normal distribution. In this study, 3976 individuals were recruited in phase 1 (2308 women and 1668 men; female to male ratio 1.38) and 4941 individuals were recruited in phase 4 (2837 women and 2104 men; female to male ratio 1.35). Prevalence of prediabetes in all age groups (except for the 30-39 years age-group) were increased in phase 4 compared to phase 1. Prevalence of known diabetes in all age groups were increased in phase 4 compared to phase 1, yet, the increase was significant only in the 30-39 and 60-69 years age groups (1.8% vs. 0.7% and 19.0% vs. 10.2%, respectively). Newly diagnosed diabetes was decreased in all age groups in phase 4, except for the 60

  20. Study of lead effects on the mental health of tin laborers in a carmaking company of Tehran city 2007

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    M. Hamedani

    2009-07-01

    Full Text Available Background and aims   The main objective of this research was assessing the effects of lead on the mental health of laborers engaged in tinworks of a car making company in Tehran city.   Methods   This study is a descriptive and cross sectional study. The sample included matched and randomly selected of 30 tin laborers and 30 administration employees in a car making  company in Tehran city. The 28 version of general health questionnaire (GHQ-28 used as a   screening tool for detection of mental disorders in the two groups.   Results   Study on knowledge of tin workshop employees showed that 16.7% of them were not familiar with lead effects on their body. There was a meaningful differences between total scores of two groups in GHQ-28. 28.3 percent of samples were detected as mental patients; the   prevalence rate was 33.3percent in tin laborers and 23.3 percent in administration employee.   Conclusion   This study shows that working with lead, increases prevalence of mental disorders in the work environment and decreases their efficacy, Therefore with conducting training workshops in the aspects of mental health and immunization, can prevent and promote the mental   health status of laborers.  

  1. Social support and mental health status of older people: a population-based study in Iran-Tehran.

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    Tajvar, Maryam; Grundy, Emily; Fletcher, Astrid

    2018-03-01

    To investigate direct and stress-buffering associations between social support from family and the mental health of older people in Iran, a country which has recently undergone an exceptionally fast fertility transition and is consequently experiencing rapid population ageing. A cross-sectional stratified random survey of 800 people aged 60+ years resident in Tehran was conducted. In total, 644 people responded. The Social Provisions Scale and the General Health Questionnaire were used to measure perceived social support and mental health, respectively. Multilevel mixed-effects models were used to examine the hypotheses. The findings supported the hypothesis of a direct association between perceived and received social support and mental health. However, we did not find strong evidence to suggest that social support buffered the effects of stress arising from limitations of physical functioning. Lack of help doing paperwork was associated with worse mental health for women but not men. Source of support did not seem to be important. Our results indicated that in Tehran, as in Western settings, social support is important for the mental well-being of older people. Recommendations for policy and further research priorities based on the study findings were provided.

  2. Effective factors on souvenir purchase : the case of foreign tourists' viewpoint in Tehran city

    OpenAIRE

    Vasheghani-Farahani, Farzaneh; Esfandiar, Kourosh; Tajzadeh-Namin, Abolfazl

    2014-01-01

    The present research aims to gain a better understanding of determinants on the souvenir-purchase behavior of inbound tourists, a vital factor affecting tourists’ experience in destinations, yet scant attention has been devoted to this in the literature. Drawing on the Oh’s travel expenditure model (2007), this study examines the influence of three types of variables: individual traveler characteristics; trip characteristics; and the perceived value of the souvenirs on touri...

  3. A study on relationship between asymmetric information on dividend polices of companies listed in Tehran Stock Exchange

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    Adineh Hayatbakhsh

    2013-07-01

    Full Text Available Explaining and the determinants of dividend policy is one of the biggest challenges that have long been the center of attention of accounting and financial researcher and theoreticians. There are many evidences that confirm the effects of dividend and there are a lot of other potential factors whose effects on the dividend policy have not been studied yet. In this study, the effects of four variables including asymmetric information, growth opportunities, cash holding and firm size in payout dividend policy are investigated, simultaneously. The study uses the information of 140 companies listed on Tehran Stock Exchange over the period 2005-2010. In this study, 4 hypotheses are proposed and investigated. There are positive and significant relationships between asymmetric information, growth opportunities, cash holding and company size on one side and payout dividend policy on the other side.

  4. The Effect of Fashion Channles on Iranian Female Students: The Case of University of Tehran

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    Mohammad Ali Mousavi

    2012-04-01

    Full Text Available The present article analyzes the effects of globalization on individual behavior. Globalization through the communication technology and information revolution has caused the time and place borders to fade away. It has also led to the expansion of individual values among the local cultures that can present their values to the world. Television satellite channels are among the most important tools for the promotion of these norms and cultural values in socities. This article analyzes the effects of fashion satellite channels on the educated Iranian female. It tries to find out to what extent social and individual actions are based on conscious and/or unconscious global communicative perceptions and see if satellite as a powerful communication medium can affect educated Iranian youth. Using surveys and analyzing the data, it can be concluded that those fashion satellite channels that advertise western-style custumes have affected the educated girls in our society. However, these effects have usually been conscious-based rather than behavior-based. This study shows that these effects have been more influencial on the consumers’ knowledge rather than their social behaviours and actions.

  5. Study on the TOC concentration in raw water and HAAs in Tehran's water treatment plant outlet.

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    Ghoochani, Mahboobeh; Rastkari, Noushin; Nabizadeh Nodehi, Ramin; Mahvi, Amir Hossein; Nasseri, Simin; Nazmara, Shahrokh

    2013-11-12

    A sampling has been undertaken to investigate the variation of haloacetic acids formation and nature organic matter through 81 samples were collected from three water treatment plant and three major rivers of Tehran Iran. Changes in the total organic matter (TOC), ultraviolet absorbance (UV254), specific ultraviolet absorbance (SUVA) were measured in raw water samples. Haloacetic acids concentrations were monitored using a new static headspace GC-ECD method without a manual pre-concentration in three water treatment plants. The average concentration of TOC and HAAs in three rivers and three water treatment plants in spring, summer and fall, were 4, 2.41 and 4.03 mg/L and 48.75, 43.79 and 51.07 μg/L respectively. Seasonal variation indicated that HAAs levels were much higher in spring and fall.

  6. A study on relationship between the return of value/growth portfolio and market return: Evidence from Tehran Stock Exchange

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    Monireh Mashhadi Ramezanali

    2014-07-01

    Full Text Available This study examines the relationship between the returns of two value and growth portfolios and the return of market on 15 selected firms on Tehran Stock Exchange over the period 2008-2011. The study divides the firms into two groups in terms of the ratios of price on earning as well as price on book value into two groups of value and growth portfolios. Using some regression analysis, the study has determined a positive and meaningful relationship between value portfolio and market return when the market is on the upside but this relationship is not meaningful during the bear session. The results indicate that during the bull sessions, value portfolios provide better investment opportunities than growth ones do.

  7. A study on the effect of P/E and PEG ratios on stock returns: Evidence from Tehran Stock Exchange

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    Seyyed Ali Lajevardi

    2014-07-01

    Full Text Available This paper studies the effect of the ratios of P/E and PEG on stock returns of the firms accepted on Tehran Stock Exchange. The study uses regression and Pearson Correlation Coefficient based on the performance of 138 firms over the period 2004- 2009 according to the Iranian calendar to investigate the effects of P/E and PEG on stock returns. The study also uses the models originally proposed by Chahin and Choudhry (2010 [Chahin, S., & Choudhry, T. (2010. Price to earnings, growth radio and value growth based strategies. Social Science Research Network, 19(4.] to discuss the strategies of investing on stocks. The results show that the ratio of P/E had more effect on stock returns than the ratio of PEG and stocks returns had a direct relationship with P/E and an inverse relationship with PEG. In addition, the returns of growth stock were more than value stock.

  8. Sexual and Reproductive Health Needs of HIV-Positive People in Tehran, Iran: A Mixed-Method Descriptive Study

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    Saharnaz Nedjat

    2015-09-01

    Full Text Available Background People Living with HIV (PLHIV are highly stigmatized and consequently hard-to-access by researchers and importantly, public health outreach in Iran, possibly due to the existing socio-cultural situation in this country. The present study aimed to evaluate the sexual and reproductive health needs of PLHIV in Tehran, the capital of Iran. Methods As a mixed-method descriptive study, this project was conducted in 2012 in Tehran, Iran. In this study, we evaluated and discussed socio-demographic characteristics, family and social support, sexual behaviors, fertility desires and needs, PMTCT services, contraceptive methods, unintended pregnancy and safe abortion, and Pap smear tests among 400 participants referring to the behavioral disorders consulting centers. Results Of the sample 240 (60% were male and 160 (40% were female. About 50% of women and 40% of men were 25-34 years old. More than 60% of men and 96% of women were married, while more than 50% of the participants had HIV-positive spouses at the time of study. According to the results, fertility desire was observed among more than 30% of female and 40% of male participants. Results of the in-depth interviews indicate that the participants are not satisfied with most of the existing services offered to address their sexual and reproductive health needs. Conclusion Despite the availability of services, most of sexual and reproductive health needs of the PLHIV are overlooked by the health system in Iran. Paying attention to sexual and reproductive health needs of PLHIV in Iran not only protects their right to live long and healthy lives, but also may prevent the transmission of HIV from the patients to others within the community.

  9. A study on relationship between earnings management and operating cash flows management: Evidence from Tehran Stock Exchange

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    Bahman Banimahd

    2013-06-01

    Full Text Available This study investigates the impact of earnings management on operating cash flows management over the period 2004-2011 using the information of 119 firms listed on the Tehran Stock Exchange. Results indicate that there is a meaningful relationship between earnings management and operating cash flows management. In other words, earnings management creates and shapes operating cash flows management. In addition, after controlling for the loss reporting, firm size and firm's financial risk, the results show that there was a relationship between loss reporting and firm size with the cash flows management. When firms report loss, then operating cash flows increases. Finally, operating cash flows decreases when firm size increases. However, our survey does not provide any evidence to believe there is any relationship between financial risk and cash flows management.

  10. Evaluation of Agreement Between Video and Written Questionnaires for Asthma Symptoms Among Children of Tehran: ISAAC Study

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    MR Masjedi

    2008-07-01

    Full Text Available Introduction: International study on asthma was conducted to study the prevalence of Asthma symptoms among 13-14 year old children using written and video questionnaires during the early 90's. The aim of the present study (ISAAC was to evaluate the agreement between the two questionnaires which were self-completed by the children. Methods: This study, which was a part of the third phase of International Study of Asthma and Allergy in Childhood (ISAAC and performed exactly similar to phase1, was performed by National Research Institute of Tuberculosis and Lung Diseases (NRITLD in two cities of Iran; Rasht and Tehran. All stages of the study were performed in accordance with ISAAC protocol. The present study discusses data related to children of Tehran. A total of 3100 school children aged 13-14 years were questioned about asthma symptoms using written and video questionnaires of ISAAC study. For statistical analysis, initially a descriptive study of the available data was performed. Thereafter, chance corrected agreement between the two questionnaires was evaluated using Cohen’s Kappa co-efficiency. Results: Of the total of 3100 children, 52.4% were male and 47.6% female, with a mean age of 13.6 years. Although the questions discussed in the two questionnaires were not exactly similar, the results of the video questionnaires showed a statistically significant lower positive response to asthma symptoms as compared to the written version. Kappa co-efficiency ranged between 0.06- 0.21 (mean=0.12, which is considered poor for all variables. Conclusion: Positive responses to having asthma symptoms were significantly higher using the written questionnaire compared to the video questionnaire. Similar to previous studies, agreement between the two was considered poor for all variables. Although factors such as language, culture, dwelling area, e.t.c. have special effects on results of these questionnaires, results indicate that the two questionnaires

  11. Methadone Related Poisoning on the Rise in Tehran, Iran

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    Kambiz Soltaninejad

    2014-09-01

    Full Text Available Background: In Iran, methadone has been used for methadone maintenance treatment (MMT as well as analgesic treatment in pain clinics. Recently, there are some reports regarding accidental and intentional methadone poisonings and deaths. The aim of this study was to evaluate the trend of methadone poisonings and deaths during a 10-year period in Tehran, Iran. Methods: This was a retrospective cross-sectional study over 2000 to 2010. Patients with a documented methadone poisoning who were admitted in Loghman Hakim Hospital Poison Center in Tehran, Iran were identified and included in the study. The data including patients’ age, gender, ingested dose, co-ingestants, intention of ingestion and outcome were extracted from the patients’ medical records. Results: During the study period, 1426 cases of methadone poisoning were recorded, of which, 1041 cases (73% were men. Thirty-six cases (2.5% died. Mean age of the patients was 29.9 ± 17 years. In 476 cases, the intention of poisoning could not be determined, and in the remaining, the intention was misuse (n = 273, 28.7%, suicide (n = 254, 26.7%, accidental (n = 245, 25.8% and abuse (n = 178, 18.8%. Mean of the ingested dose of methadone was 120.6 ± 306.8 mg. The incidence of acute methadone poisoning per one million population of Tehran was 0.43 in 2000 that rose to 37.62 in 2010. Conclusion: The results indicate that methadone poisoning and deaths have increased in Tehran. MMT clinics should be strictly run according to the national guideline to prevent methadone poisoning. With regard to high frequency of poly-drug use in methadone poisoning, it seems important to warn health care providers against prescription of other drugs with methadone. 

  12. Risky driving behaviors in Tehran, Iran.

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    Shams, Mohsen; Rahimi-Movaghar, Vafa

    2009-03-01

    Iran has one of the highest fatality rates due to road traffic crashes (RTC) in the world. The disability adjusted life years (DALYs) for RTC in Iran is more than 1,300,000 years, which is more than that for any other disease such as cardiovascular or cancer. We evaluated risky driving behaviors in Tehran, the capital of Iran. A retrospective analysis was conducted based on the data obtained from the Tehran Police Safety Driving Department. Offenses and crashes were studied in different municipal districts in Tehran from March 2006 to March 2007. The inclusion criteria were risky driving behaviors fined by the police. Nonbehavioral offences were excluded. There were 3,821,798 offenses in Tehran. Not wearing a seat belt was the most common (59%) example of risky driving behavior, followed by tailgating, not wearing motorcycle helmets, talking on the cell phone while driving, overtaking from the wrong side, speeding, not driving between the lanes, weaving in and out of traffic, left deviation, and changing lanes without signals. The most common causes of RTC in Tehran are speeding, overtaking from the wrong side, and the rapid changing of driving lanes. The study factors effective in preventing risky driving behaviors in Tehran is recommended. The consideration of specific characteristics of the municipal districts is necessary to reduce risky driving behaviors.

  13. Marital Satisfaction and Sexual Satisfaction in Married Men in Tehran

    OpenAIRE

    Sayed Hadi Sayed Alitabar; Roya Hamidi; Saeid Ghanbari; Ali Zadeh Mohammadi; Mojtaba Habibi Asgarabad

    2016-01-01

    Background and Objective: Premarital sex in big cities like Tehran, has increased significantly and could also have an impact on future relations people after marriage. The main objective of this study was to compare marital satisfaction and sexual satisfaction in married men with and without a history of premarital sex.Materials and Methods: This research was causal-comparative. The population of this study consists of all married men less than 45 years in Tehran. 144 married men in Tehran w...

  14. A Study of the Readiness of Hospitals for Implementation of High Reliability Organizations Model in Tehran University of Medical Sciences.

    Science.gov (United States)

    Mousavi, Seyed Mohammad Hadi; Dargahi, Hossein; Mohammadi, Sara

    2016-10-01

    Creating a safe of health care system requires the establishment of High Reliability Organizations (HROs), which reduces errors, and increases the level of safety in hospitals. This model focuses on improving reliability through higher process design, building a culture of accreditation, and leveraging human factors. The present study intends to determine the readiness of hospitals for the establishment of HROs model in Tehran University of Medical Sciences from the viewpoint of managers of these hospitals. This is a descriptive-analytical study carried out in 2013-2014. The research population consists of 105 senior and middle managers of 15 hospitals of Tehran University of Medical Sciences. The data collection tool was a 55-question researcher-made questionnaire, included six elements of HROs to assess the level of readiness for establishing HROS model from managers' point of view. The validity of the questionnaire was calculated through the content validity method using 10 experts in the area of hospitals' accreditation, and its reliability was calculated through test-retest method with a correlation coefficient of 0.90. The response rate was 90 percent. The Likert scale was used for the questions, and data analysis was conducted through SPSS version 21 Descriptive statistics was presented via tables and normal distributions of data and means. Analytical methods, including t-test, Mann-Whitney, Spearman, and Kruskal-Wallis, were used for presenting inferential statistics. The study showed that from the viewpoint of senior and middle managers of the hospitals considered in this study, these hospitals are indeed ready for acceptance and establishment of HROs model. A significant relationship was showed between HROs model and its elements with demographic details of managers like their age, work experience, management experience, and level of management. Although the studied hospitals, as viewed by their managers, are capable of attaining the goals of HROs, it

  15. Odontogenic keratocyst: a 31- year retrospective study in the oral and maxillofacial pathology department, Faculty of Dentistry, Tehran University of Medical Sciences

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    Eshghyar N.

    2005-05-01

    Full Text Available Statement of Problem: Odontogenic keratocyst is a developmental odontogenic cyst which arises from dental lamina. One of the important features of odontogenic keratocyst is strong tendency to recurrence. Purpose: The purpose of this study was the statistical evaluation of age and gender of patient as well as area of involvement in odontogenic keratocysts in the oral and maxillofacial pathology department of dental faculty of Tehran University of Medical Sciences from 1971-2002. Materials and Methods: This study was a cross sectional, descriptive one. Medical records were reviewed and variables such as age, gender and site of involvement were recorded. The data were analyzed with SPSS software. Results: The relative frequency of odontogenic keratocyst was 36%. 66% of cysts were in men and 34% in women. 68% of lesions affected the lower jaw and 32% the upper jaw. Regarding the site of involvement, 48% of lesions involved the molar region of mandible and 42%, the anterior part of maxilla. The occurrence of keratocysts was higher in this sites. Most of the cases were diagnosed in the third decade. Conclusion: Based on the findings of this study, odontogenic keratocyst was more prevalent in men, mandible and the third decade. The posterior part of mandible and anterior region of maxilla were involved most frequently.

  16. Conference RSIS (The role of science in the information society) - Contributions to Economic Development - Building 40 S2 - B01 - Mr. Mohammad Nahavandian, Vice-President for Research, Institute for Humanities and Cultural Studies, Tehran.

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    Maximilien Brice

    2003-01-01

    Conference RSIS (The role of science in the information society) - Contributions to Economic Development - Building 40 S2 - B01 - Mr. Mohammad Nahavandian, Vice-President for Research, Institute for Humanities and Cultural Studies, Tehran.

  17. Study of Social, Cultural, Economic, Well-Being, and Urban Structure Needs of Tehran Seniors Association Members

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    Fariba Shariat

    2015-10-01

    Full Text Available Objectives: This article aims to identifying social, cultural, economic, wellbeing, and urban structure needs of Tehran Seniors Association members and recognizing their current conditions in 8 areas with respect to WHO project on an age-friendly city indexes. Methods & Materials: Four hundred members of Tehran Seniors Association who lived in Tehran were selected by random sampling method (276 women and 124 men with the mean age of 63 years to participate in this descriptive-inferential study. Data were collected using a questionnaire, including inferential and descriptive parts. The descriptive part was divided into demographic characteristics with 12 questions and elders’ needs in 8 areas or 75 indexes. Scoring was conducted based on a 1 to 5 scale. Data analysis was performed using SPSS. Results: In the area of open spaces and buildings, the highest score belonged to “cleanness of public areas” and the lowest score to “providing special services in stores and banks” (mean scores of 2.50 and 1.65, respectively. Regarding transportation area, the highest score went to “appropriate installment of traffic signs at cross-roads” and the lowest score to “seniors specific transportation” (mean scores of 3.03 and 1.58, respectively. Concerning housing, “suitability of interior design” got the highest score and “affordable and adequate housing” got the lowest one (mean scores of 1.93 and 1.51, respectively. Regarding social participation, “allowance of proper time to seniors special occasions” and “aiding elders at risk of social isolation” (mean scores of 2.88 and 2.07, resectively got the maximum and minimum scores. Considering respect and socialization, “positive attitude toward elders in mass media” and “looking for elders’ advices on how to serve them better in commercial centers” (mean scores of 2.84 and1.74, respectively gained the highest and lowest scores, respectively. Concerning

  18. Polypharmacy among older adults in Tehran

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    B. Ahmadi

    2006-08-01

    Full Text Available Background: Multiple drug use is frequently considered to be hazardous for the elderly because of their greater vulnerability to the complications. The purpose of this study was to determine the prevalence of polypharmacy in Tehran and to assess the relative demographic characteristics of patients. Methods: In a cross-sectional study 400 persons aging 55 years and older were interviewed in order to determine the presence of polypharmacy (daily intake of three or more drugs. The cases were randomly selected and asked to answer a questionnaire through interview at home. The questionnaire contained questions about all taking drugs, pattern of using each drug and also patients' personal, social and medical history. Chi-square and fisher exact tests and determination of odds ratios were used in order to data analysis. Results: Medium number of drugs used was 3.4 ± 1.9 in studied cases and %39.6 of cases were exposed to polypharmacy. The prevalence of physician prescribed drug usage was observed to be increased by increasing number of total used drugs in each case (P<0.002. The most commonly used drugs were A.S.A, Atenolol and propranolol and these drugs were prescribed by physician in over than %90 of cases. There was a positive correlations between polypharmacy with referring to multiple physicians (OR=1.96, CI 95%, 1.28-2.98 (P<0.002 and adverse drug reactions (OR=2.44, CI 95%, 1.47-4.05 (P<0.001. Polypharmacy was more prevalent in the age group of 65-75 years (P<0.04 and lower levels of education (P<0.004 and less prevalent in the group with moderate income (P<0.001. Conclusion: Polypharmacy is common among adults aging 55 years and more in Tehran and is affected by age, education level and economic status.

  19. A Comparative Study of Health-risk Behaviors of Boys and Girls of Freshmen Year at Tehran University, Iran

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    Fatemeh Rahmati-Najarkolaei

    2014-09-01

    Full Text Available Abstract Background and purpose: Priority health-risk behaviors, often are established during childhood and adolescence, extend into adulthood, and are interrelated and preventable. This study was conducted to determine and compare the prevalence of risky behaviors on both sexes of freshman students enrolled in Tehran University, Iran. Materials and Methods: This study was a descriptive-analytical type of cross-sectional survey which has used stratified sampling to select 432 students during 2011-2012. A questionnaire including, 14 demographic questions and 38 questions about risky behaviors such as unintentional intentional injuries, smoking habits, alcohol and drug use, sexual behaviors, nutritional habits, and physical activities was used as the instrument of the study. Attending student’s club and passing medical examination, each student completed the self- reported questionnaire. Results: The mean age of participants was 23/2 ± 5/1, the majority of them were single (90.5%, 80.6% were unemployed, and 60.2% were from other cities. The prevalence of smoking cigarette (P 0.05. Conclusion: Some health risk behaviors in boys were more than girls, and there is a possibility of increasing these high-risk behaviors in the university environment. Thus, keeping students under surveillance and adopting preventive actions play a crucial role, and comprehensive training plans to promote health behavior should be designed and implemented.

  20. Fast food consumption in Iranian adults; dietary intake and cardiovascular risk factors: Tehran Lipid and Glucose Study.

    Science.gov (United States)

    Bahadoran, Zahra; Mirmiran, Parvin; Golzarand, Mahdieh; Hosseini-Esfahani, Firoozeh; Azizi, Fereidoun

    2012-06-01

    Although fast food consumption has drastically increased in Iran in recent years; there is a paucity of data in relation to the association between fast food consumption, dietary intake, and cardiovascular risk factors. This study aims to determine fast food consumption status among young and middle-aged Iranian adults, and to assess its impact on dietary intake and cardiovascular disease (CVD) risk factors. This cross-sectional population-based study was conducted on 1944 young and middle-aged adults (840 men and 1104 women), who participated in the Tehran Lipid and Glucose Study (2006-2008). We collected dietary data by using a validated 168 item, semi-quantitative food frequency questionnaire. Total fast food consumption was calculated by summing up weekly consumption of the most commonly consumed fast foods in Iran. Mean consumption of fast food was 161g/week (95% CI: 147-175) for young adults and 108 g/week (95% CI: 101-115) for middle-aged adults. Mean dietary intakes of energy, fat, saturated fat, cholesterol, sodium, meat, and soft drinks increased significantly (P consumption decreased (P fast food in both age groups. In young adults, dietary energy density and protein intake increased significantly (P fast food tertiles (P fast food consumption and body mass index (BMI; β = 0.104; P consumption of fast foods is associated with poor dietary intake and some of the CVD risk factors in Iranian adults.

  1. Study of cultured rainbow trout contamination with Streptococcus iniae and Lactococcus garvieae in some fish markets of Tehran and Karaj(orginal reserch article

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    Ali Taheri Mirghaed

    2016-05-01

    Full Text Available Streptococcosis is one of the economically important diseases in the aquaculture industry particularly in rainbow trout aquaculture causing remarkable annual losses. Streptococcosis is known as a zoonotic disease causing morbidity and mortality in some consumers. In this study the status of farmed rainbow trout contamination with Streptococcus iniae and Lactococcus garvieae was assessed. For this reason, during summer months, 64 apparently diseased trout were sampled from fish markets of Tehran and Karaj. Gram staining was performed on grown colonies and then gram-positive cocci were further characterized using biochemical and PCR assays. The obtained results showed that 56.23% (36 samples of the samples were infected with the both bacterial pathogens. The prevalence of S. iniae and L. garvieae were 32.8 % (21 samples and 23.43% (15 samples, respectively. The highest and lowest prevalence rate of S. iniae was observed in the samples of Karaj (15.62% and Kahrizak (0% markets, respectively. In the case of L. garvieae, the highest and lowest rates were obtained in Karaj/Kahrizak (7.81% and Meidan-Nabi (1.56% markets, respectively. The results revealed that in some markets, the prevalence of streptococcosis and lactococcusis in cultured rainbow were relatively high. Therefore, it is necessary to conduct further trials.

  2. The Prevalence of Overweight and Obesity in Children Under 5 Years in Tehran, Iran, in 2012: A Population-Based Study

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    Salehiniya, Hamid; Yazdani, Kamran; Barekati, Hamed; Asadi Lari, Mohsen

    2016-01-01

    Background: Overweight and obesity in children are a serious problem. They are increasingly prevalent and associated with a wide range of health problems in adulthood. Monitoring their status is essential for effective planning in the health system. Objectives: This study aimed to assess the prevalence of overweight and obesity in children below 5 years in Tehran in 2012. Patients and Methods: This cross-sectional study employed data provided by the urban health equity assessment in Tehran. The sample comprised a total of 4656 children under 5 years, recruited via multistage sampling. Data were collected through questionnaires and anthropometric measures of height and weight. The WHO child growth standards were used to determine overweight and obesity. Data were analyzed using chi-square tests, with SPSS version 11.5. Results: The prevalence of overweight and obesity in children were 12% and 23.7% respectively. The prevalence of overweight was significantly higher in girls than boys and the prevalence of obesity was significantly higher in boys than girls (P = 0.001). Obesity was more prevalent in children from high economic percentiles, but this finding was not statistically significant. Conclusions: The prevalence of overweight and obesity in children under 5 years is high. Overweight and obesity should be considered an epidemic and serious health problem in Tehran. They certainly require more attention and intervention. PMID:26889459

  3. A study on relationship among free cash flow, firm value and investors’ cautiousness: Evidence from Tehran Stock Exchange

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    Hassan Ghodrati

    2014-09-01

    Full Text Available Financial statements as well as financial standards are always considered as primary sources for getting rich information of firms. The standards are normally divided in two categories of economic and accounting and each of these standards shows one of the specifications of the company and has its own advantageous and disadvantageous. There are different standards, which are used for firm assessment. Therefore, a company with more gained prominences has more change to succeed in attracting credits and financing from the capital market. Under such circumstances, such a company can attract more finance and it can be sold sooner on the stock exchange. This paper tries to investigate on the free cash flow as an effective factor in specifying the real value of the business enterprises on 56 selected firms from Tehran Stock Exchange. The results of this study have disclosed that, there was a direct and meaningful relationship between free cash flow of the business enterprises and their real values. Second, the real values of the business enterprises are more than their predicted values. Finally, the predicted value of the business enterprises on the basis of the free cash flow is more than their market value.

  4. The effect of video games on teenagers’ behavior and performance: A cross-sectional study in Tehran

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    Elham Dirandeh

    2016-08-01

    Full Text Available Background: The novelty of the present study was to interpret the relation of the videogame usage in teenagers’ behaviors and their performance in schools and distinctive environments.Methods: A total of 508 male and female teenage students were randomly selected from secondary schools of Tehran, the Capital of Iran. The designed questionnaire was completed by student’s parents at the end of school year. School performance and students’ behavior and pattern of using videogames were asked. Descriptive statistics, Contingency coefficient and chi-squared tests were used for data analysis.Results: According to the results, almost all the teenagers were interested in video games and 76.8% of students played video games once in a while. Female students whose mothers were older used video games more often than teenagers whose mothers were younger. Also, male students, whose mothers were housewives and had handheld devices in their rooms, were observed to spend more time playing games. The male students who spent more time playing video games showed more aggression than the others. In addition, female students who played video games quite often, showed abnormal behavior and strange mental status. Both genders showed high percentage of shouting and overeating, when they spent more time playing video games. Conclusion: Playing videogames has a significant effect on teenagers’ behaviors but not on their school performance. Social determinants of health also have significant effect on playing videogames.Keywords: Adolescent; Educational Status; Students; Video Games

  5. Trend of elevator-related accidents in tehran.

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    Khaji, Ali; Ghodsi, Syyed Mohammad

    2014-06-01

    Elevator-related accidents are uncommon, but can cause significant injury. However, little data exist on these types of accidents. To compile and analyze accident data involving elevators in an effort to eliminate or at least significantly reduce such accidents. In this retrospective study we investigated 1,819 cases of elevator-related accidents during a four-year period (1999-2003) in Tehran. The data were obtained from the Tehran Safety Services & Fire Fighting Organization (TSFO) that is officially and solely responsible to conduct rescue missions of civilians in Tehran. The number of elevator accidents has increased steadily during the four year study period. During these four years there was a positive upward trend for serious injuries and mortality resulting from elevator accidents. Technical problems were the main cause with 74.5%, followed by power loss and overcapacity riding with 11.5% and 7.9% respectively. Sixty-three individuals sustained serious injury and 15 people died as a result of elevator accidents. The number of accidents was significantly higher in summer (x2=18.32, P=0.032) and a considerable proportion of incidences (54%, 947 cases out of 1819) occurred between 5 and 12 pm. Establishment of an organization to inspect the settings, maintenance, and repair of elevators is necessary.

  6. Trend of Elevator-Related Accidents in Tehran

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    Ali Khaji

    2014-06-01

    Full Text Available Background:   Elevator-related accidents are uncommon, but can cause significant injury. However, little data exist on these types of accidents. To compile and analyze accident data involving elevators in an effort to eliminate or at least significantly reduce such accidents. Methods: In this retrospective study we investigated 1,819 cases of elevator-related accidents during a four-year period (1999-2003 in Tehran. The data were obtained from the Tehran Safety Services & Fire Fighting Organization (TSFO that is officially and solely responsible to conduct rescue missions of civilians in Tehran. Results: The number of elevator accidents has increased steadily during the four year study period. During these four years here was a positive upward trend for serious injuries and mortality resulting from elevator accidents. Technical problems were the main cause with 74.5%, followed by power loss and overcapacity riding with 11.5% and 7.9%respectively. Sixty-three individuals sustained serious injury and 15 people died as a result of elevator accidents. The number of accidents was significantly higher in summer (x2=18.32, P=0.032 and a considerable proportion of incidences (54%, 947 cases out of 1819 occurred between 5 and 12 pm. Conclusions: Establishment of an organization to inspect the settings, maintenance, and repair of elevators is necessary

  7. The Opportunistic House for Tehran: A Design Prototype

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    Sara Khorshidifard

    2015-12-01

    Full Text Available This article is an advocacy research for Tehran, promoting an implication of architectural design as a tool for citizen empowerment and positive environmental change. In the article, I am offering a fresh look at Tehran’s housing problems by speculating an “opportunistic house” typology as a residential style that would serve much more than just shelter. I am making a case for a new house prototype that applies socially-equitable solutions in design. My study finds applications and significance beyond plain housing design and, mainly, onto the design of ad hoc urban public realm spaces. This is in accord with my overarching mission of supporting new way of thinking about, and ultimately offering, welcoming, safe, and energized places for Tehran’s citizens. These will additionally have important implications for inhospitable public spaces worldwide. This research is grounded in my prior, multidisciplinary doctoral studies. The article itself is an initial step in my ongoing research design, of helping to build and revitalize a wide range of urban communities by nurturing their relationship to their built and natural environments. The article is a discussion around the following questions. How can housing design inventions empower citizens? In what manner can design offer progressive living place options whose services go beyond shelter needs? Particularly, in what ways can domestic spaces be designed to also embody other-than-living capacities, for example, for new kinds of public spaces? And eventually, what could a prototype of the opportunistic house look like in the context of a city like Tehran? The article is structured to first present a brief survey of how Tehran house forms and functions have developed historically, with more emphasis on their current state. It will then offer examples of opportunistic uses of domestic spaces in Tehran. This notion is communicated through narrative analysis and photographic vignettes from a few

  8. Etiology of precocious puberty, 10 years study in Endocrine Reserch Centre (Firouzgar, Tehran

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    Fatemeh Safari

    2012-01-01

    Full Text Available Background: Precocious puberty, as early physical development and low final height might lead to psychosocial problems.Objective: To evaluate etiology and clinical feature of precocious puberty in a cohort of Iranian children.Materials and Methods: In this case-series study, 44 girls and 8 boys with precocious puberty referred to Endocrine Reserch Centre (Firouzgar, Institute of Endocrinology and Metabolism (Hemmat Campus, were examined in a 10 years period of time. Results: Mean age of girls and boys was 7.43±1.4 years and 5.8±2.1 years respectively. Most of the patients fell within the age category of 7-7.9 years old (40.9% for girls and 50% for boys. Patients, concerning etiology of precocious puberty were classified in three categories: 42.6% of patients had central precocious puberty (CPP, including idiopathic CPP (87.5% and neurogenic CPP (12.5%. 23.3% of patients had peripheral precocious puberty (PPP, including congenital adrenal hyperplasia (CAH (42.8%, ovarian cysts (28.4%, McCune-Albright syndrome (14.2% and adrenal carcinoma (14.2%. 34.1% of girls and 25% of boys had normal variant puberty including premature thelarche (57%, premature adrenarche (38% as well as premature menarche (4.7%l. Conclusion: The most common etiology of precocious puberty in girls was idiopathic central precocious puberty and premature thelarche, while in boys they were neurogenic central precocious puberty and CAH. Therefore precocious puberty in girls is usually benign. In boys, CNS anomalies should first be considered in the differential diagnosis of CPP. Therefore brain Magnetic Resonance Imaging (MRI is mandatory in all cases.

  9. The association between inflammatory markers and obesity-related factors in Tehranian adults: Tehran lipid and glucose study.

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    Faam, Bita; Zarkesh, Maryam; Daneshpour, Maryam Sadat; Azizi, Fereidoun; Hedayati, Mehdi

    2014-08-01

    Obesity considered being a low-grade inflammatory disease. The objective of this study was to examine the association between inflammatory markers (IM) including C-reactive protein (hs-CRP), Interleukin-6 (IL-6), and homocystein (Hcy) and obesity-related factors (e.g. BMI, waist, hip) in adult participants of Tehran lipid and glucose study (TLGS). In this cross-sectional study, 352 individuals (132 men and 220 women), age ≥19 years, were randomly recruited from participants of TLGS population. The serum levels of hs-CRP, IL-6, Hcy were determined using the enzyme linked immunosorbent assay (ELISA) method. Variables were compared by sample t-test. Bivariate linear correlation was estimated using Pearson's correlation coefficient. Linear regression analysis was applied to investigate the association between IMs and anthropometric and biochemical variables. The mean age of participants was 46.1±16.1 years. abdominal obesity was present in 199(56.5%) individuals. levels of hs-CRP and IL-6 increased in the abdominally obese group (1507±3.3 vs. 577.8±4.3 ng/ml P<0.001) (3.6±3.3 vs. 1.9±3.8 pg/ml P< 0.001), and in the same group, the best predictors for hs-CRP, IL-6 and Hcy were waist (WC), waist to height ratio (WHtR) and wrist respectively; hip and WHtR were the best predictors for Hcy and hs-CRP in the normal group. A linear augmentation in hs-CRP and IL-6 levels was observed in association with obesity categorizes. This study provides evidence that abdominally obese individuals had higher levels of IMs. Wrist, waist and WHtR were the best predictors for Hcy, hs-CRP and IL-6 respectively in this group.

  10. Sugar-Sweetened Beverage Consumption Is Associated with Metabolic Syndrome in Iranian Adults: Tehran Lipid and Glucose Study

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    Hanieh-Sadat Ejtahed

    2015-09-01

    Full Text Available BackgroundMetabolic syndrome (MetS, a cluster of multiple metabolic abnormalities, is one of the major public health challenges worldwide. The current study was conducted to evaluate the association between sugar-sweetened beverage (SSB consumption and MetS and its components in Iranian adults.MethodsThis cross-sectional study was conducted among 5,852 men and women, aged 19 to 70 years, who participated in the fourth phase (2009 to 2011 of the Tehran Lipid and Glucose Study. Demographics, anthropometrics, biochemical measurements, and blood pressure (BP were assessed and MetS was defined by National Cholesterol Education Program Adult Treatment Panel III definition. Frequency and quantity of SSB intakes including carbonated drinks and synthetic fruit juices were collected using a validated semiquantitative food frequency questionnaire.ResultsMean age of participants (43%, men was 40.6±12.9 years. Significant positive associations between SSBs and waist circumference, triglyceride level, systolic and diastolic BP in the third and fourth quartile of SSBs were observed, after adjustment for all potential confounding variables. The odds of MetS in the third and fourth quartiles compared to the first quartile category of SSBs was 1.21 (95% confidence interval [CI], 1.01 to 1.45 and 1.30 (95% CI, 1.06 to 1.58, respectively (P for trend=0.03. The odds of MetS, abdominal obesity, low high density lipoprotein cholesterol and elevated BP had increasing trends across increasing of SSB consumption (P for trend <0.05.ConclusionHigher intake of SSBs was associated with the higher odds of MetS in adults. It is suggested that reducing consumption of SSBs could be a practical approach to prevent metabolic abnormalities.

  11. Mother-daughter correlation of central obesity and other noncommunicable disease risk factors: Tehran Lipid and Glucose Study.

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    Heidari, Zahra; Hosseinpanah, Farhad; Barzin, Maryam; Safarkhani, Maryam; Azizi, Fereidoun

    2015-03-01

    This study aimed to investigate the mother-daughter correlation for central obesity and other noncommunicable disease risk factors. The authors used metabolic and anthropometric data from the Tehran Lipid and Glucose Study, enrolling 1041 mother-daughter pairs for the current study. Three age strata were defined: 3 to 9 years for childhood (146 mother-daughter pairs), 10 to 17 years for adolescence (395 mother-daughter pairs), and 18 to 25 years for early adulthood (500 mother-daughter pairs). Familial associations for central obesity and other noncommunicable disease risk factors were assessed. The prevalence of central obesity was 44.7% in mothers and 11.2% in daughters (6.2% in the 3-9, 19.2% in the 10-17, and 6.4% in the 18-25 years groups). Mothers with central obesity were more likely than nonobese mothers to have daughters with central obesity (10.5% and 1.7%, respectively; P = .0001). Central obesity indices among daughters were positively correlated with those of their mothers in all 3 age strata. Correlations for other noncommunicable disease risk factors were analyzed before and after adjusting the risk factor levels for mothers' and daughters' waist circumferences (WCs) within each group to determine whether risk factor correlations were, in part, a result of the central obesity correlations. After the non-communicable disease risk factor levels of participants were adjusted for their WCs, the mother-daughter correlations remained significant. The consistent association of central obesity between mothers and daughters may indicate the key role that could be played by the mother in the primary prevention of central obesity, particularly in high-risk families. © 2012 APJPH.

  12. Colors of fruits and vegetables and 3-year changes of cardiometabolic risk factors in adults: Tehran lipid and glucose study.

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    Mirmiran, P; Bahadoran, Z; Moslehi, N; Bastan, S; Azizi, F

    2015-11-01

    We aimed to investigate the associations of colors of fruit and vegetable (FV) subgroups, with 3-year changes of cardiometabolic risk factors. This longitudinal study was conducted in the framework of Tehran Lipid and Glucose Study, between 2006-2008 and 2009-2011, on 1272 adults. Total intake of FV and their subgroups have been assessed by a validated semi-quantitative food frequency questionnaire at baseline (2006-2008) and again at the second examination (2009-2011). Demographics, anthropometrics and biochemical measures were evaluated at baseline and 3 years later. The associations of anthropometric and lipid profile changes with FV subgroups were estimated. The mean age of men and women at baseline was 39.8±12.7 and 37.3±12.1 years, respectively. Mean total intake of FV, red/purple, yellow, green, orange and white FV was 706±337, 185±95, 141±91, 152±77, 141±87 and 22±18 g/day, respectively. In men, 3-year changes of weight (β=-0.13, P=0.01) and waist circumference (β=-0.14, P=0.01) were related to intake of red/purple FV; the yellow group was inversely associated with 3-year changes of total cholesterol (β=-0.09, P=0.03) and High-density lipoprotein cholesterol (β=-0.11, P=0.03). Consumption of green and white FV was inversely related to abdominal fat gain, and atherogenic lipid parameters in men (Pfasting serum glucose and total cholesterol (P<0.05); yellow FV was also related to 3-year weight gain (β=-0.11, P=0.01). Various colors of FV subgroups had different effects on cardiometabolic risk factors; higher intake of red/purple FV may be related to lower weight and abdominal fat gain, and yellow, green and white FV may be related to lipid parameters.

  13. Assessment of chronic diarrhea in early infancy in Tehran Tertiary Care Center; Tehran-Iran

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    Farzaneh Motamed

    2015-03-01

    Full Text Available Introduction Chronic diarrhea of infancy is a heterogeneous syndrome that includes several diseases with different etiologies. The aim of this study was investigating chronic diarrhea, its etiologies, clinical features and outcomes in infancy.Materials and Methods Retrospective study investigating infants hospitalized in the gastroenterology department of Tehran tertiary care center.The main demographic data, etiology, characteristics of diarrhea, and outcome were evaluated. Data were analyzed by SPSS software,version 16.Results In this study, 63/9% of cases were female and 36/1% were male. 24 cases (66/7% had osmotic diarrhea and 11 (30/6% had secretory diarrhea. In this study there was no significant statistical correlation between type of diarrhea and sex, gestational Age, severity of dehydration, birth weight and nutrition. The majority of patients with osmotic (58/3% and secretory diarrhea (63/6%, had weight percentile below 3%, which showed a significant statistical difference (p value

  14. The Study of Life Change Unit as Stressor Agents among Tehran University of Medical Sciences Hospitals' Employees

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    Hossein Dargahi

    2010-08-01

    Full Text Available Life crises as stressor agents can disrupt the best stress management regime. Different life crises have different impacts. A standard scale to rate change and its related stress impact has been developed commonly referred to as LCU (Life Change Unit Rating. This allocates a number of Life Crisis Units or Life Change Units (LCUs to different event and then evaluates them and takes action accordingly. This idea behind this approach of is to rundown the LCU table, totaling the LCUs for life crisis that have occurred in the previous one year. A Cross - sectional, descriptive and analytical study was conducted among 900 Tehran University of Medical Sciences (TUMS Employees by a Holms and Rahe LCU questionnaire at 15 hospitals. The respondents were asked to determine their demographic information, list of stress symptoms which suffered from these diseases in the previous one year and finally, responded to 45 Life Change Unit as stressful life events and the value of each in "stress units" which occurred in the previous one year. The results showed that there is significant correlation between the employees LCU rating by sex, educational degree and size of hospital. Also we found that there are significant correlations between the employees stress symptoms with their LCU rating. Totally, 40% of the employees have less than 150 LCU rating (normal range and 60% of them have 150-300 or more than 300 LCU rating (abnormal range. In conclusion most of TUMS hospitals' employees who had stress symptoms have more LCU rating. One third of these employees are not in danger of suffering the illness effect, while two third of them are in danger.

  15. Need assessment of staffs' welfare services at tehran university of medical sciences: a cross-sectional study.

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    Dehghan, Reza; Mafimoradi, Shiva; Hadi, Mohammad

    2015-01-01

    Reviewing the human resources management literature shows an absence of attention given to the employee's benefits. Taking a look at functions of the Tehran University of Medical Sciences' wellbeing services system, it uncovers a gap between employees' real needs and what is delivered to meet their needs. So it requires an improved comprehensive system for delivering wellbeing services (financial, insurance, health care services, educational and training services, etc). Wellbeing need assessment can helps planners to identify vital needs of employee and response to them effectively. Moreover it can be used to evaluate the effectiveness of the current services which are delivered. Thus, the aim of this study is to assess wellbeing services of staffs working in TUMS to (1) evaluate the satisfactory rate of services which are delivered, and (2) exploring those wellbeing needs which were not fulfilled by the organization. Being a cross-sectional and analytic-descriptive survey including 98 responding participants, it is conducted by a questionnaire collecting employees' demographic information, their satisfactory rate of the implemented services, and determines unfulfilled wellbeing needs which were not already covered. Results indicated that services related to financial, educational, non-financial, insurance, occupational health and tourism/recreational services were the most satisfactory services successively. 'Staff's unwillingness to receive services' and 'poor announcement' (unawareness on the wellbeing services),' were found to be the most frequent reasons for not receiving the existing wellbeing services. To increase the satisfaction rate and responsiveness to the real needs of the staff, the current delivery system of wellbeing services in the TUMS should be redesigned by defining new wellbeing packages.

  16. Need Assessment of Staffs’ Welfare Services at Tehran University of Medical Sciences: A Cross-Sectional Study

    Science.gov (United States)

    Dehghan, Reza; Mafimoradi, Shiva; Hadi, Mohammad

    2015-01-01

    Background: Reviewing the human resources management literature shows an absence of attention given to the employee's benefits. Taking a look at functions of the Tehran University of Medical Sciences’ wellbeing services system, it uncovers a gap between employees’ real needs and what is delivered to meet their needs. So it requires an improved comprehensive system for delivering wellbeing services (financial, insurance, health care services, educational and training services, etc). Wellbeing need assessment can helps planners to identify vital needs of employee and response to them effectively. Moreover it can be used to evaluate the effectiveness of the current services which are delivered. Thus, the aim of this study is to assess wellbeing services of staffs working in TUMS to (1) evaluate the satisfactory rate of services which are delivered, and (2) exploring those wellbeing needs which were not fulfilled by the organization. Material and Methods: Being a cross-sectional and analytic-descriptive survey including 98 responding participants, it is conducted by a questionnaire collecting employees’ demographic information, their satisfactory rate of the implemented services, and determines unfulfilled wellbeing needs which were not already covered. Result: Results indicated that services related to financial, educational, non-financial, insurance, occupational health and tourism/recreational services were the most satisfactory services successively. ‘Staff's unwillingness to receive services’ and ‘poor announcement’ (unawareness on the wellbeing services),’ were found to be the most frequent reasons for not receiving the existing wellbeing services. Conclusion: To increase the satisfaction rate and responsiveness to the real needs of the staff, the current delivery system of wellbeing services in the TUMS should be redesigned by defining new wellbeing packages. PMID:25767818

  17. The Study of Life Change Unit as Stressor Agents among Tehran University of Medical Sciences Hospitals' Employees

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    Hossein Dargahi

    2010-07-01

    Full Text Available "nLife crises as stressor agents can disrupt the best stress management regime. Different life crises have different impacts. A standard scale to rate change and its related stress impact has been developed commonly referred to as LCU (Life Change Unit Rating. This allocates a number of Life Crisis Units or Life Change Units (LCUs to different event and then evaluates them and takes action accordingly. This idea behind this approach of is to rundown the LCU table, totaling the LCUs for life crisis that have occurred in the previous one year. A Cross - sectional, descriptive and analytical study was conducted among 900 Tehran University of Medical Sciences (TUMS Employees by a Holms and Rahe LCU questionnaire at 15 hospitals. The respondents were asked to determine their demographic information, list of stress symptoms which suffered from these diseases in the previous one year and finally, responded to 45 Life Change Unit as stressful life events and the value of each in "stress units" which occurred in the previous one year. The results showed that there is significant correlation between the employees LCU rating by sex, educational degree and size of hospital. Also we found that there are significant correlations between the employees stress symptoms with their LCU rating. Totally, 40% of the employees have less than 150 LCU rating (normal range and 60% of them have 150-300 or more than 300 LCU rating (abnormal range. In conclusion most of TUMS hospitals' employees who had stress symptoms have more LCU rating. One third of these employees are not in danger of suffering the illness effect, while two third of them are in danger.

  18. Effective environmental factors on geographical distribution of traffic accidents on pedestrians, downtown Tehran city.

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    Moradi, Ali; Soori, Hamid; Kavousi, Amir; Eshghabadi, Farshid; Nematollahi, Shahrzad; Zeini, Salahdien

    2017-01-01

    In most countries, occurrence of traffic causalities is high in pedestrians. The aim of this study is to geographically analyze the traffic casualties in pedestrians in downtown Tehran city. The study population consisted of traffic injury accidents in pedestrians occurred during 2015 in Tehran city. Data were extracted from offices of traffic police and municipality. For analysis of environmental factors and site of accidents, ordinary least square regression models and geographically weighted regression were used. Fitness and performance of models were checked using the Akaike information criteria, Bayesian information criteria, deviance, and adjusted R 2 . Totally, 514 accidents were included in this study. Of them, site of accidents was arterial streets in 370 (71.9%) cases, collector streets in 133 cases (25.2%), and highways in 11 cases (2.1%). Geographical units of traffic accidents in pedestrians had statistically significant relationship with a number of bus stations, number of crossroads, and recreational areas. Distribution of injury traffic accidents in pedestrians is different in downtown Tehran city. Neighborhoods close to markets are considered as most dangerous neighborhoods for injury traffic accidents. Different environmental factors are involved in determining the distribution of these accidents. The health of pedestrians in Tehran city can be improved by proper traffic management, control of environmental factors, and educational programs.

  19. The impact of net value added on predicting the earnings and operating cash flow: An empirical study based on Tehran Stock Exchange

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    Omid Imani Khoshkhoo

    2013-12-01

    Full Text Available Information content of earnings and its components and other issues except the earnings such as the operating cash flow (OCF have been tested widely in the accounting and finance literature. Since they have had an essential role in most cases including financial reporting, contracts and evaluation models, specifying the items and financial variables that have had a significant relationship with these two variables are expected to be of utmost importance. One example of these variables and indicators is the value added. Although this variable has an economic concept, reporting of value added to the beneficiaries of business entity as the value-added statement has been observed in the field of accounting theories for many years. The main objective of this study was to investigate the effect of net value added (NVA as the basic result of value-added statement in predicting the accounting earnings and operating cash flow. For this purpose, the relationship of changes in net value added with the changes in accounting earnings and operating cash flow of listed companies in Tehran Stock Exchange from 2007 to 2011 was tested. Firstly the Single variable cross-sectional regression was analyzed and then the panel data analysis with the PLS technique was used to do a pooled analysis. The results of testing research hypothesis imply the significant relationship between changes in net value added and accounting earnings in the listed companies as cross-sectional and pooled forms. The results showed no significant relationship between changes in net value added and operating cash flow in the listed companies neither in cross-sectional nor pooled form.

  20. Histopathological Study of Hysterectomy Operations in A University Clinic in Tehran From 2005 to 2009

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    Mahmoud Khaniki

    2011-06-01

    Full Text Available Objective: We intended to determine causes and histological pattern of hysterectomies in an Iranianpopulation.Materials and methods: Archived reports of pathology department of a university hospital dated March2005 to March 2009 were retrospectively reviewed. Age, chief complaint, type of operation includingabdominal, vaginal and subtotal hysterectomy, the indication of the operation and the pathology of thespecimen were retrieved from the records.Results: The average rate of hysterectomy was 219 per year. The average age of the patients was49.6±11.3. About 40% of cases aged 45-54 years. The main chief compliant was abnormal uterinebleeding (62.2%. The leading preoperative indication for hysterectomy operations were uterineleiomyoma (24.8% and then abnormal uterine bleeding and abdominal/pelvic mass. The most frequentpathologic findings were leiomyoma (22.0% and adenomyosis (12.1%. In 11.8% of hysterectomyspecimens no pathologic lesion was found.Conclusion: The hysterectomy is rather common in Iran with age dependent pattern of indications andcorresponding pathologies.

  1. Associations between Dietary Acid-Base Load and Cardiometabolic Risk Factors in Adults: The Tehran Lipid and Glucose Study

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    Zahra Bahadoran

    2015-06-01

    Full Text Available BackgroundIn this study we investigated the associations of dietary acid-base load, identified by potential renal acid load (PRAL and protein to potassium (Pro:K ratio, with cardiometabolic risk factors in Tehranian adults.MethodsA cross-sectional study was conducted within the framework of the fourth phase of the Tehran Lipid and Glucose Study (2009 to 2011 on 5,620 men and women aged 19 to 70 years. Dietary data were collected by a trained dietitian using a validated, 147-food item, semi-quantitative food frequency questionnaire, and dietary PRAL and Pro:K ratio were calculated. Multiple linear regression models with adjustment for potential confounding variables were used to evaluate the associations of dietary acid-base load with anthropometric measures, blood pressure, serum triglycerides, high density lipoprotein cholesterol (HDL-C, serum creatinine, and fasting blood glucose.ResultsThe mean±SD age of the participants was 39.8±12.8 years and 54% of participants were women. Mean±SD PRAL was -22.0±29.1; mean PRAL was -15.6 in men and -26.8 in women. Dietary PRAL was associated with weight (β=0.098, P<0.001, waist circumference (β=0.062, P<0.01, serum triglycerides (β=0.143, P<0.01, HDL-C (β=-0.11, P<0.01, diastolic blood pressure (β=0.062, P<0.01, and serum creatinine (β=0.142, P<0.001. Pro:K ratio was associated with weight (β=0.055, P<0.001, waist circumference (β=0.04, P<0.01, serum HDL-C (β=-0.06, P<0.01, serum triglycerides (β=0.03, P<0.05, diastolic blood pressure (β=0.026, P<0.05, and serum creatinine (β=0.07, P<0.01.ConclusionA more acidic dietary acid-base load may be a risk factor for the development of metabolic disorders.

  2. Prevention of non-communicable disease in a population in nutrition transition: Tehran Lipid and Glucose Study phase II

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    Hedayati Mehdi

    2009-01-01

    Full Text Available Abstract Background The Tehran Lipid and Glucose Study (TLGS is a long term integrated community-based program for prevention of non-communicable disorders (NCD by development of a healthy lifestyle and reduction of NCD risk factors. The study begun in 1999, is ongoing, to be continued for at least 20 years. A primary survey was done to collect baseline data in 15005 individuals, over 3 years of age, selected from cohorts of three medical heath centers. A questionnaire for past medical history and data was completed during interviews; blood pressure, pulse rate, and anthropometrical measurements and a limited physical examination were performed and lipid profiles, fasting blood sugar and 2-hours-postload-glucose challenge were measured. A DNA bank was also collected. For those subjects aged over 30 years, Rose questionnaire was completed and an electrocardiogram was taken. Data collected were directly stored in computers as database software- computer assisted system. The aim of this study is to evaluate the feasibility and effectiveness of lifestyle modification in preventing or postponing the development of NCD risk factors and outcomes in the TLGS population. Design and methods In phase II of the TLGS, lifestyle interventions were implemented in 5630 people and 9375 individuals served as controls. Primary, secondary and tertiary interventions were designed based on specific target groups including schoolchildren, housewives, and high-risk persons. Officials of various sectors such as health, education, municipality, police, media, traders and community leaders were actively engaged as decision makers and collaborators. Interventional strategies were based on lifestyle modifications in diet, smoking and physical activity through face-to-face education, leaflets & brochures, school program alterations, training volunteers as health team and treating patients with NCD risk factors. Collection of demographic, clinical and laboratory data will be

  3. The impact of innovation on customer satisfaction: A study of the cosmetics producer in Tehran

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    Daragahi Gholamreza Askarpour

    2017-01-01

    Full Text Available Nowadays customer satisfaction is one of the basic requirements of manufacturing companies in developing countries. This study was conducted to investigate the effect of innovation in product presentation on customer satisfaction. The statistical population includes the customers of cosmetics produced by ten companies in Iran. The simple random sampling method was used to select 387 individuals. The results indicated that innovation in product presentation had a positive effect on the satisfaction of customers consuming cosmetics. In this study, open innovation and closed innovation paradigms were employed to deal with the main research problem.

  4. Metabolic and endocrinologic complications in beta-thalassemia major: a multicenter study in Tehran

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    Hashemi Reza

    2003-08-01

    Full Text Available Abstract Background The combination of transfusion and chelation therapy has dramatically extended the life expectancy of thalassemic patients. The main objective of this study is to determine the prevalence of prominent thalassemia complications. Methods Two hundred twenty patients entered the study. Physicians collected demographic and anthropometric data and the history of therapies as well as menstrual histories. Patients have been examined to determine their pubertal status. Serum levels of 25(OH D, calcium, phosphate, iPTH were measured. Thyroid function was assessed by T3, T4 and TSH. Zinc and copper in serum were determined by flame atomic absorption spectrophotometry. Bone mineral density (BMD measurements at lumbar and femoral regions have been done using dual x-ray absorptiometry. The dietary calcium, zinc and copper intakes were estimated by food-frequency questionnaires. Results Short stature was seen in 39.3% of our patients. Hypogonadism was seen in 22.9% of boys and 12.2% of girls. Hypoparathyroidism and primary hypothyroidism was present in 7.6% and 7.7% of the patients. About 13 % of patients had more than one endocrine complication with mean serum ferritin of 1678 ± 955 micrograms/lit. Prevalence of lumbar osteoporosis and osteopenia were 50.7% and 39.4%. Femoral osteoporosis and osteopenia were present in 10.8% and 36.9% of the patients. Lumbar BMD abnormalities were associated with duration of chelation therapy. Low serum zinc and copper was observed in 79.6% and 68% of the study population respectively. Serum zinc showed significant association with lumbar but not femoral BMD. In 37.2% of patients serum levels of 25(OH D below 23 nmol/l were detected. Conclusion High prevalence of complications among our thalassemics signifies the importance of more detailed studies along with therapeutic interventions.

  5. Factors Influencing Fast-Food Consumption Among Adolescents in Tehran: A Qualitative Study

    OpenAIRE

    Askari Majabadi, Hesamedin; Solhi, Mahnaz; Montazeri, Ali; Shojaeizadeh, Davoud; Nejat, Saharnaz; Khalajabadi Farahani, Farideh; Djazayeri, Abolghasem

    2016-01-01

    Background: The consumption of different types of fast food is increasingly growing in all parts of the world, both in developed and developing countries. Because of the changes and transitions in the lifestyle and dietary habits of people, an increasing number of people from different age groups, particularly adolescents and young adults, are inclined toward consuming fast food. Objectives: The objective of this study was to investigate the factors influencing fast-food consumption among ado...

  6. Effect of nutrition education and diet modification in iron depleted preschool children in nurseries in Tehran: a pilot study.

    Science.gov (United States)

    Khoshnevisan, Farnaz; Kimiagar, Masood; Kalantaree, Nasser; Valaee, Nasser; Shaheedee, Nooshin

    2004-07-01

    In view of the high prevalence of iron deficiency in preschool children and its consequences, this study was carried out to examine the effect of nutrition education and dietary modification on 438 two- to six-year-old nursery school children in Tehran in 1999. Sixty-two children who were judged anemic, iron-depleted, or having low iron stores were randomly allocated to "control," "dietary modification" (consuming one additional citrus fruit after lunch), and "nutrition education" (teaching the mothers proper eating patterns based on the food pyramid) groups. Food habits were surveyed, including 24-hour dietary recall and food frequency, as well as timing of consumption of special items; this survey was carried out for each child before and after intervention. After three months, blood samples were taken from the subjects. The prevalence of anemia, iron depletion, and low iron stores was 11.4, 62.8, and 15.1% respectively, with no significant differences observed in hemoglobin and percent transferrin saturation (%TS) between the groups. Mean+/-SD serum ferritin concentrations in "control," "diet modification," and "nutrition education" groups were 8.9+/-3.1, 9.5+/-3.7, and 6.9+/-2.3 microg/dL. The same figures at the end of intervention were 6.9+/-3.5, 11.2+/-5, and 10.7+/-5.9 microg/dL, respectively. Analysis of variance showed ferritin concentrations to be significantly different, in that there was a reduction in the control and elevation in the nutrition education groups. There was no significant difference in %TS before and after the intervention. During three months of intervention, changes in frequency of fruit and fruit juice intake after the meals in nutrition education and diet modification groups were significantly correlated to serum ferritin alteration. Frequency of fruit juice intake (rich in vitamin C) after meals (at least five times a week) can significantly increase serum ferritin within three months. Therefore, educating mothers of iron

  7. Ames Mutagenicity Assessment of Flavored Water Pipe Tobacco Products :A Cross Sectional Study in Tehran

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    Shahrzad Sadri

    2016-12-01

    Full Text Available Waterpipe smoking has become a global youth trend especially in the Middle East countries and Iran . The aim of this study was to determine the mutagenic effects of three most popular flavored tobaccos by four different salmonella typhimurium strains and compare the possible mutagenic effects of the test samples. Ames mutagenicity assessment was conducted according to the OECD guideline using TA100, TA98 , YG1024 and YG1029 strains. Charcoal burned flavored tobaccos of three different flavors including Orange, Double Apple, and Lime Mint were filtered and exposed to all strains after strain identification tests and MIC ,MBC determinations. The Ames test results indicated significant mutagenic effects of tobacco samples in all four test strains when compared with negative control (p≤0.0001. The highest Mutagenic Factor (MF was seen in Double Apple samples using TA 98 (MF=11.5±3.3 . In all experiments, TA strains showed higher sensitivity to the samples than YG strains which suggest these two strains for further regulatory toxicity tests ,policy making purposes and tobacco control programs . Present results represents an important step in understanding the genotoxic potentials of three most popular flavored tobaccos samples of a famous brand in the global markets .

  8. A study of the effects of company size on systematic risk based on the capital asset pricing model among accepted companies in Tehran Stock Market ,

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    Reza Rostami

    2012-08-01

    Full Text Available Systematic risk (beta is one of the most effective factors in predicting the appropriate required rate of return of portfolios. Understanding systematic risk of usual portfolio of various companies helps investors consider financial investment, more confidentially. The aim of this study is to determine if there is any significant relationship between Company Size (Market value of stocks, Book value of stocks, level of company sale, trade volume of stocks, Price dividend ratio as independent variables and Systematic risk (Beta as dependent variables. The study chooses 112 companies accepted in Tehran Stock Market based on screening (systematic deletion in a six-year- period from 2005 to 2010. The required data were gathered from basic financial statement, committee reports, and other available documents in Tehran Stock Market. Regression and Pearson correlation were used to analyze the data. The results of the study revealed that there is a significant relationship between the variables. Some suggestions regarding the topic of the research are given too.

  9. Epidemiology of vancomycin-resistant enterococci in children with acute lymphoblastic leukemia at two referral centers in Tehran, Iran: a descriptive study.

    Science.gov (United States)

    Nateghian, A; Robinson, J L; Arjmandi, K; Vosough, P; Karimi, A; Behzad, A; Navidnia, M

    2011-05-01

    Risk factors for colonization with vancomycin-resistant enterococci (VRE) vary by population and locale. The objective of this study was to determine the prevalence of and risk factors for VRE colonization in children with acute lymphoblastic leukemia (ALL) in Tehran. Stools were collected from children with ALL at the Ali Asghar Children's Hospital and the Mahak Pediatric Oncology Center between March 2007 and October 2008. Demographic features and potential risk factors for VRE colonization, including duration of ALL, presence of severe neutropenia in the preceding month, receipt of antibiotics in the preceding 3 months, concurrent medical problems, days of hospitalization, and the need for intensive care since the time of diagnosis of ALL, were recorded. VRE was identified from stools in 33 of 130 children with ALL (25%). No clear risk factors were identified for VRE colonization in the current study, but there was a trend towards an increased prevalence in children admitted to the intensive care unit since their ALL diagnosis (p=0.07). The VanA genotype was found in 28 of the 33 stools (85%), with all other enterococci being VanB. The prevalence of VRE colonization in children with ALL in Tehran is high. Modifiable risk factors have not been identified. The implementation of routine surveillance for colonization and an increased emphasis on adherence to standard infection control precautions may prevent spread. Copyright © 2011 International Society for Infectious Diseases. Published by Elsevier Ltd. All rights reserved.

  10. CASE STUDY

    African Journals Online (AJOL)

    2011-06-02

    Jun 2, 2011 ... immunosuppression associated with HIV/AIDS puts them at a higher risk of developing oesophageal cancer. 47. CASE STUDY. A 49-year-old man was diagnosed as HIV infected, with a CD4 count of 60 cells/µl. He was started on an antiretroviral treatment regimen comprising zidovudine, lamivudine and ...

  11. Adaptive neuro-fuzzy inference systems for semi-automatic discrimination between seismic events: a study in Tehran region

    Science.gov (United States)

    Vasheghani Farahani, Jamileh; Zare, Mehdi; Lucas, Caro

    2012-04-01

    Thisarticle presents an adaptive neuro-fuzzy inference system (ANFIS) for classification of low magnitude seismic events reported in Iran by the network of Tehran Disaster Mitigation and Management Organization (TDMMO). ANFIS classifiers were used to detect seismic events using six inputs that defined the seismic events. Neuro-fuzzy coding was applied using the six extracted features as ANFIS inputs. Two types of events were defined: weak earthquakes and mining blasts. The data comprised 748 events (6289 signals) ranging from magnitude 1.1 to 4.6 recorded at 13 seismic stations between 2004 and 2009. We surveyed that there are almost 223 earthquakes with M ≤ 2.2 included in this database. Data sets from the south, east, and southeast of the city of Tehran were used to evaluate the best short period seismic discriminants, and features as inputs such as origin time of event, distance (source to station), latitude of epicenter, longitude of epicenter, magnitude, and spectral analysis (fc of the Pg wave) were used, increasing the rate of correct classification and decreasing the confusion rate between weak earthquakes and quarry blasts. The performance of the ANFIS model was evaluated for training and classification accuracy. The results confirmed that the proposed ANFIS model has good potential for determining seismic events.

  12. Effective environmental factors on geographical distribution of traffic accidents on pedestrians, downtown of Tehran City.

    Science.gov (United States)

    Moradi, Ali; Rahmani, Khaled; Kavousi, Amir; Eshghabadi, Farshid; Nematollahi, Shahrzad; Zainni, Slahedyn; Soori, Hamid

    2018-02-20

    The aim of this study was to geographically analyse the traffic casualties in pedestrians in downtown of Tehran City. Study population consisted of pedestrians who had traffic injury accidents from April 2014 to March 2015 in Tehran City. Data were extracted from the offices of traffic police and municipality. For analysis of environmental factors and site of accidents, Ordinary Least Square (OLS) regression models and Geographically Weighted Regression (GWR) were used. All pedestrian accidents including 514 accidents were assessed in this study in which the site of accidents included arterial streets in 370 (71.9%) cases, collector streets in 133 cases (25.2%) and highways in 11 cases (2.1%). Geographical units of traffic accidents in pedestrians had statistically significant relationship with the number of bus stations, number of crossroads and recreational areas. Neighbourhoods close to markets are considered as the most dangerous places for injury in traffic accidents.

  13. Determination of heavy metal content of processed fruit products from Tehran's market using ICP- OES: A risk assessment study.

    Science.gov (United States)

    Fathabad, Ayub Ebadi; Shariatifar, Nabi; Moazzen, Mojtaba; Nazmara, Shahrokh; Fakhri, Yadolah; Alimohammadi, Mahmood; Azari, Ali; Mousavi Khaneghah, Amin

    2018-05-01

    In this study, the levels of Cd, Hg, Sn, Al, Pb and As of 72 samples (36 samples for fruits juices and 36 samples for fruits canned) of three different brands including of Peach, Orange, Cherry, and Pineapple (18 samples of each fruits) marketed in Tehran, Iran (2015) were evaluated using Inductively Coupled Plasma-Optical Emission Spectrometry (ICP-OES) technique. Also, Probabilistic risk assessment (non-carcinogenic and carcinogenic risks) was estimated by models include target hazard quotient (THQ) and cancer risk (CR) in the Monte Carlo Simulation (MCS) model. However, all samples were contaminated with the heavy metals investigated, most of them not surpassed established standards. The range of concentration for Al, Sn, As, Cd, Hg, and Pb as average in fruit juices were reported as 340.62 (65.17-1039.2), 72.33 (49.76-119.4), 3.76 (1.137-18.36), 2.12 (0.89-3.44), 0.351 and 40.86 (27.87-66.1) μg/kg, respectively. The level of heavy metals measured in different kinds of fruit juices was ranked as Al > Sn > Pb > As > Cd > Hg, and for fruits canned this rank was Pb > Al > Sn > As > Cd > Hg. The range of concentration for Al, Sn, As, Cd, Hg, and Pb in fruits canned were reported as 361.23 (43.15-1121.2), 101.42 (71.45-141.61), 3.92 (1.279-19.50), 2.78 (1.09-5.56), 0.35 and 690.54 (470.56-910.14) μg/kg, respectively. The lead (Pb) concentration in 97.22% (35 out of 36 samples) of fruit juices samples surpassed Codex limit (0.05 mg/kg) and in all samples of FC was lower than the legal limit of Codex limit (1 mg/kg). All of the samples had Tin (Sn) lower than the legal limit of Codex (fruit juices 100 mg/kg and FC 250 mg/kg). The MCS indicated that the rank order of heavy metals in both adults and children based on THQ was Al > Sn > As > Pb > Cd > Hg. The THQ of Al and Sn in the FJ and FC, for both adults, and children, was considerably higher than 1 value. Also, CR of As in both adults and children

  14. The 12-item medical outcomes study short form health survey version 2.0 (SF-12v2: a population-based validation study from Tehran, Iran

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    Omidvari Sepideh

    2011-03-01

    Full Text Available Abstract Background The SF-12v2 is the improved version of the SF-12v1. This study aimed to validate the SF-12v2 in Iran. Methods A random sample of the general population aged 18 years and over living in Tehran, Iran completed the instrument. Reliability was estimated using internal consistency and validity was assessed using known-groups comparison and convergent validity. In addition the factor structure of the questionnaire was extracted by performing both exploratory and confirmatory factor analyses (EFA and CFA. Results In all, 3685 individuals were studied (1887male and 1798 female. Internal consistency for both summary measures was satisfactory. Cronbach's α for the Physical Component Summary (PCS-12 was 0.87 and for the Mental Component Summary (MCS-12 it was 0.82. Known-groups comparison showed that the SF-12v2 discriminated well between men and women and those who differed in age and educational status (P Conclusion Although the findings could not be generalized to the Iranian population, overall the findings suggest that the SF-12v2 is a reliable and valid measure of health related quality of life among Iranians and now could be used in future health outcome studies. However, further studies are recommended to establish its stability, responsiveness to change, and concurrent validity for this health survey in Iran.

  15. Plot and Personification in “Tehran-e- Makhuf“

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    M. Pashaei

    Full Text Available Story is one of the important and influential literary genres that deserves to research on its structure and content .By study and analysis of a story, the reader could comprehend the textual messages and change his attitude toward life and different issues .After defining of the social novel, the author tries to analyze plot and personification in novel of “Tehran-e- Makhuf” and respond to the questions on the method employed for plot and personification and analyze it from plot and its components such as conflict, suspension and resolution and compare the differences and similarities between old tales and modern novels.The plot of “Tehran-e- Makhuf” is not so complex due to its subject and content and natural order of events dominates on artificial discipline and it lacks open plot. Of main elements of plot, conflict is more outstanding here. This novel is full of emotional and moral conflicts and there is no similarity with historical novels that describe good and bad conflicts. Cause and effect relationship is main element of plot that shadows on the story events .In “Tehrna-e- Makhuf”, the author tries to violate the principles and cause to imbalance in natural events sequences with discomposing rational and experiential relationship and take action toward artificiality and unnatural suspension. In creating suspension by emphasis on incidences in some extremist cases, Kazemi tries to found the story based on the considerable sequence of events and this conduct reduces quality of the story significantly and leads to imbalance in rational and acceptable discipline.Kazemi employs direct or reporting personification mostly. This novel lacks diversity in personage considerably .All characters speak in similar style and there is no particular speech style. The personification of Kazemi in “Tehran-e-Makhuf” is continuous and interdependent in style of old tales and novel in European account. In some cases, he approaches to story

  16. Contemplation on Plot and Personification in Tehran Makhuf

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    Mirjalil Akrami

    2013-11-01

    Full Text Available Abstract Story is one of the important and influential literary genres that deserves to research on its structure and content .By study and analysis of a story, the reader could comprehend the textual messages and change his attitude toward life and different issues .After defining of the social novel, the author tries to analyze plot and personification in novel of “Tehran-e- Makhuf” and respond to the questions on the method employed for plot and personification and analyze it from plot and its components such as conflict, suspension and resolution and compare the differences and similarities between old tales and modern novels.  The plot of “Tehran-e- Makhuf” is not so complex due to its subject and content and natural order of events dominates on artificial discipline and it lacks open plot. Of main elements of plot, conflict is more outstanding here. This novel is full of emotional and moral conflicts and there is no similarity with historical novels that describe good and bad conflicts. Cause and effect relationship is main element of plot that shadows on the story events .In “Tehrna-e- Makhuf”, the author tries to violate the principles and cause to imbalance in natural events sequences with discomposing rational and experiential relationship and take action toward artificiality and unnatural suspension. In creating suspension by emphasis on incidences in some extremist cases, Kazemi tries to found the story based on the considerable sequence of events and this conduct reduces quality of the story significantly and leads to imbalance in rational and acceptable discipline.  Kazemi employs direct or reporting personification mostly. This novel lacks diversity in personage considerably .All characters speak in similar style and there is no particular speech style. The personification of Kazemi in “Tehran-e-Makhuf” is continuous and interdependent in style of old tales and novel in European account. In some cases, he

  17. Contemplation on Plot and Personification in Tehran Makhuf

    Directory of Open Access Journals (Sweden)

    Mohammad Pashaei

    2013-10-01

    Full Text Available  Abstract Story is one of the important and influential literary genres that deserves to research on its structure and content .By study and analysis of a story, the reader could comprehend the textual messages and change his attitude toward life and different issues .After defining of the social novel, the author tries to analyze plot and personification in novel of “Tehran-e- Makhuf” and respond to the questions on the method employed for plot and personification and analyze it from plot and its components such as conflict, suspension and resolution and compare the differences and similarities between old tales and modern novels.  The plot of “Tehran-e- Makhuf” is not so complex due to its subject and content and natural order of events dominates on artificial discipline and it lacks open plot. Of main elements of plot, conflict is more outstanding here. This novel is full of emotional and moral conflicts and there is no similarity with historical novels that describe good and bad conflicts. Cause and effect relationship is main element of plot that shadows on the story events .In “Tehrna-e- Makhuf”, the author tries to violate the principles and cause to imbalance in natural events sequences with discomposing rational and experiential relationship and take action toward artificiality and unnatural suspension. In creating suspension by emphasis on incidences in some extremist cases, Kazemi tries to found the story based on the considerable sequence of events and this conduct reduces quality of the story significantly and leads to imbalance in rational and acceptable discipline.  Kazemi employs direct or reporting personification mostly. This novel lacks diversity in personage considerably .All characters speak in similar style and there is no particular speech style. The personification of Kazemi in “Tehran-e-Makhuf” is continuous and interdependent in style of old tales and novel in European

  18. Fitness for Work Evaluation of Firefighters in Tehran

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    Ramin Mehrdad

    2013-04-01

    Full Text Available Firefighting is extremely strenuous and physically demanding work and involves ability to cope with emergency life-or-death situations. Because of the high physical demands of firefighting, successful job performance and minimizing of morbidity and mortality depends on fitness for duty. The firefighting department of Tehran does not perform periodic medical assessment for firefighters. The aim of this study was to evaluate medical fitness among firefighters in Tehran. In this cross sectional study we examined 147 firefighters. Medical and occupational history obtained by interview, then we performed physical examination, blood tests, ECG, spirometry and audiometry. Then results compared with guidelines for firefighters in the USA, Australia and the United Kingdom. Seven percent of our participants had a kind of pulmonary dysfunction and 25% had some degrees of hearing loss. A considerable percent of them had modifiable coronary heart disease risk factors. Thirteen participitants were unfit for this job that among them; ten firefighters were unfit based on vision capability, one case due to hypertention and two cases because of pulmonary dysfunction. Because of hazardouse nature of firefighting; preplacement, periodic medical evaluations and assesment of fitness for firefighters in Iran is highly recommended. Establishment of fitness criteria for firefighters in Iran is necessery to perform assigned functions safely.

  19. Casing study

    Energy Technology Data Exchange (ETDEWEB)

    Roche, P.

    2000-12-01

    An unorthodox method of casing drilling used by Tesco Corporation at a gas well in Wyoming to drill deeper using casings as drillpipe is discussed. The process involves either rotating the casing as drill string or using a downhole mud motor to rotate the bit. In this instance, the surface hole and the production hole were casing-drilled to a record 8,312 feet by rotating the casing. The 8 1/2-inch surface hole was drilled with 7-inch casing to 1,200 feet using a Tesco underreamer and a polycrystalline pilot bit; drilling and cementing was completed in 12 1/2 hours. The 6 1/4-inch production hole was drilled with 4 1/2-inch casing and the bottomhole assembly was retrieved after 191 hours rotating. This case was the first in which the entire well was casing-drilled from surface to TD. Penetration rate compared favorably with conventional methods: 12 1/2 hours for casing-drilling to 18.9 hours for conventional drilling, despite the fact that the casing-drilling technology is still in its infancy. It is suggested that casing-drilling has the potential to eliminate the need for the drillpipe entirely. If these expectations were to be realised, casing-drilling could be one of the most radical drilling changes in the history of the oil and gas industry. 1 photo.

  20. Relative frequency of human papillomavirus genotypes and related sociodemographic characteristics in women referred to a general hospital in Tehran, 2014- 2015: A cross-sectional study

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    Mahin Jamshidi Makiani

    2017-09-01

    Full Text Available Background: Human papilloma virus (HPV is one of the major public health problems and the main causes of cervical cancer. The prevalence HPV infection in developing countries with low financial resources is high. Objective: This study aimed to determine the relative frequency of HPV genotypes and its sociodemographic characteristics in women referred to a general hospital in Tehran, Iran from 2014-2015. Materials and Methods: This cross-sectional study was performed in 400 women with Pap smear samples, referring to to a general hospital in Tehran, Iran from 2014- 2015. The detection of 28 HPV genotypes was performed by using the Multiplex PCR technique. The sociodemographic survey was conducted for each HPV positive woman. Results: HPV-positive infection was detected in 155 (38.75% women aged 17-85 years. HPV 16 (19.1% was the most prevalent type, followed by HPV 39 (12.5% and HPV 18 (8.9%. The highest rate of HPV infection was observed at the age of 36 years (7.7%. The level of education and economic situation of each woman were showed most of HPV-positive women had a high school diploma (34.6% and average economic situation (67,9%. 60.9% of these women were a housewife, and 67.3% lived in the capital . Conclusion: Determination of HPV genotype and risk factor related to HPV infection in each geographical region can lead to the production of effective vaccines against the HPV virus. It can also be useful for disease management and high sensitivity diagnosis of cervical intraepithelial neoplasia

  1. Outbreak of tinea gladiatorum in wrestlers in Tehran (Iran

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    Bassiri-Jahromi Shahindokht

    2008-01-01

    Full Text Available Background: In recent years, skin diseases in wrestling have finally received the attention they deserve. Outbreaks of tinea corporis are often associated with sports involving extensive bodily contact; such sports include wrestling. Tinea corporis gladiatorum is primarily caused by Trichophyton tonsurans , infecting wrestlers at alarming rates. The management of skin infections in wrestlers and other athletes in sports involving skin-to-skin contact entails numerous challenges, from making an accurate diagnosis to determining eligibility for playing the sports. To control outbreaks, we conducted an epidemiologic investigation. The purpose of this article is to determine the prevalence of tinea corporis gladiatorum in wrestlers in Tehran, Iran. Materials and Methods: A study of dermatophytosis was carried out during the period of March 2004 to December 2005 on 612 mycological proven cases of dermatophytosis found in male wrestlers in Tehran. Mycological examination consisted of culturing of pathologic material followed by direct microscopic observation. Diagnosis was based on macroscopic and microscopic characteristics of the colonies. Results: T. tonsurans was the predominant dermatophyte, accounting for> 90% of all tinea corporis gladiatorum isolates during the 2 year analysis. Tinea corporis gladiatorum was found to be more frequent in individuals between the ages of 10 and 20 years of age (72.7%. Wrestlers with tinea corporis gladiatorum were predominantly from wrestling clubs in southern and southeastern Tehran. Transmission of tinea corporis is primarily through skin-to-skin contact. Conclusion: Rapid identification and treatment of tinea corporis gladiatorum is required to minimize the disruption of team practices and competitions. Infection with dermatophytes can disqualify a wrestler from competing in matches, and thus, vigilant surveillance and rapid initiation of treatment is important to prevent the suspension of team practices and

  2. Study on the effect of exclusive breastfeeding education on breastfeeding self-efficacy in mothers referring to affiliated hospitals of Medical Sciences Universities in Tehran during 2010-2011

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    Leila Mirshekari

    2016-08-01

    Full Text Available Breastfeeding saves the lives of more than half a million infants in a year and cause strong emotional relationship between mother and child and their psychosocial development of personality. The aim of this study is to evaluate the effect of exclusive breastfeeding education on mothers' breastfeeding self-efficacy and stress. This experimental study with clinical trial has randomly selected three hospitals from hospitals affiliated to medical sciences universities of Tehran with intensive care units for premature infants, and 100 eligible nulliparous mothers were sampled during three months. Mothers are randomly classified into case and control groups (each group with 50 samples. The case group received breastfeeding education and educational booklet, but control group received no education. A month later, the samples reanswered to questionnaires. Data is collected through questionnaires and analyzed by descriptive and inferential statistics, T-test, paired-t, and Chi-Square tests. The results indicate that there is a significant difference between breastfeeding self-efficacy in pre and posteducational case group, so that education has significant effect on breastfeeding self-efficacy (t=10.7, p<0.01. Breastfeeding education especially in premature infants increases the mothers' breastfeeding self-efficacy, and thus the mothers with premature infants require special breastfeeding education.

  3. CASE STUDY

    African Journals Online (AJOL)

    HIV infection has several oral manifestations, including oral candidiasis and oral hairy leucoplakia. Occasionally unusual presentations requiring rigorous investigations are seen, and in these cases the diagnosis sometimes remains a dilemma owing to limited investigation facilities.1-3 We present the case of a patient who.

  4. Study of weight, height, body mass index, energy and nutrients intake of 11-14 years old girls, Tehran

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    Sadeqipoor H

    1999-09-01

    Full Text Available A descriptive, analytical cross-sectional syudy was conducted in 1996 on 350 female students 11-14 years old in the center of Tehran, Iran. The general objective was determining energy and nutrient intakes and weight, height and BMI (Body Mass Index of the girls, using anthropometric measurements, interviews (24-hour dietary recall and food consumption frequency, and the NCHS standards. The results were as follows: 1 Based on weight for age and the Z-score, 20% of the girls suffered from mild past and present malnutrition. 2 Based on height for age and BMI, 16.6%, 12.5%, and 1.3% suffered from mild past malnutrition, severe present malnutrition and overweight, respectively. 3 The height curves were normal, as compared to the respective standards. 4 The BMI curves were quite different from the respective standards. 5 On the whole, 53.7%, 49.7%, 86.0%, 59.0%, 67.7%, 76.5% and 88.0% of the girls had low intakes of energy, vitamin A, riboflavin, vitamin B12, folic acid, calcium, and iron, respectively. 6 A positive linear correlation was observed between energy intake and height, vitamin A intake and weight, zinc intake and height, and carbohydrate intake and height.

  5. Health impact caused by exposure to particulate matter in the air of Tehran in the past decade

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    Majid Kermani

    2017-03-01

    Full Text Available Background: Air pollution, especially the phenomenon of dust and particulate matter can cause mortality of many civilians, and causes various diseases including cardiovascular and respiratory diseases. One of the major pollutants in the air is particulate matter that concentration has increased over recent years. So, present study with aim of Quantification Health Endpoints Attributed to particulate matter in Tehran, Capital of Iran during the past decade (2005-2014 by AirQ software, version 2.2.3 (WHO European Centre for Environment and Health was performed. Methods: This study is a descriptive-analytic investigation. The process of performance this study lasted 12 months. Subject of this the study and research was in Environmental Health Engineering Department of Iran University of Medical Sciences. Exact data of every hour pollutants were taken from Department of environmental (DOE Islamic Republic Iran and Air Quality Control Company of Tehran. Then validated according to the World Health Organization (WHO guidelines and Statistical parameters for quantifying health effects were calculated in excel software. Finally, assessment of cases total mortality, cardiovascular mortality, respiratory mortality and cardiovascular disease and respiratory disease, with AirQ software was performed. Results: The results of this study showed that the number of total mortality, cardiovascular mortality and respiratory mortality caused by exposure to Particulate matter smaller than 10 microns (PM10 in the past decade is 11776, 12121 and 33066 cases respectively. Also the total number of hospital admission due to cardiovascular disease and respiratory disease in the past decade is 20990 and 54352 cases in 2005-2014 years. Conclusion: According to the results of this study, during the last decade the level of air pollution and Concentration of pollutants in Tehran Increased. Effects and health consequences due to exposure to Particulate matter smaller than 10

  6. AIR QUALITY DETERIORATION IN TEHRAN DUE TO MOTORCYCLES

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    M. Shafiepour and H. Kamalan

    2005-07-01

    Full Text Available Since there is a rise of motorcycles population as well as other motor vehicles, it seems that air Pollution deterioration should be studied as one of its environmental impacts. The main objective of this study was to develop a number of scenarios in order to determine the amount of Tehran's air pollution attributable to motorcycles and select the best and the most probable case to be recommended for implementation. The first step was to collect data such as the number of active motorcycles, daily traffic volume, average traveling speed and actual emission factors. For this purpose, a detailed questionnaire was designed to be completed by field surveys and measurements. The collected data were compared with traffic volume data, manufacturing statistics and the latest production capacity forecast in this field. Finally, with this data and emission factors for each type of motorcycle, an emissions inventory model was chosen to provide annual emissions from motorcycles in Tehran in different scenarios. The results showed that in 2002, there has been about 450'000 active motorcycles (4-stroke 58%, 2-stroke 28%, and moped 14% with average speed of 40 km/h and average mileage of 110 km/d. Five scenarios were developed. The best scenario was "Changing all motorcycles to 4-strokes under EU-97 standard" which would result in reduction of NMVOC by 75%, CO by 35% and PM10 by 88%.

  7. The 12-item medical outcomes study short form health survey version 2.0 (SF-12v2): a population-based validation study from Tehran, Iran.

    Science.gov (United States)

    Montazeri, Ali; Vahdaninia, Mariam; Mousavi, Sayed Javad; Asadi-Lari, Mohsen; Omidvari, Sepideh; Tavousi, Mahmoud

    2011-03-07

    The SF-12v2 is the improved version of the SF-12v1. This study aimed to validate the SF-12v2 in Iran. A random sample of the general population aged 18 years and over living in Tehran, Iran completed the instrument. Reliability was estimated using internal consistency and validity was assessed using known-groups comparison and convergent validity. In addition the factor structure of the questionnaire was extracted by performing both exploratory and confirmatory factor analyses (EFA and CFA). In all, 3685 individuals were studied (1887 male and 1798 female). Internal consistency for both summary measures was satisfactory. Cronbach's α for the Physical Component Summary (PCS-12) was 0.87 and for the Mental Component Summary (MCS-12) it was 0.82. Known-groups comparison showed that the SF-12v2 discriminated well between men and women and those who differed in age and educational status (P < 0.05). Furthermore, as hypothesized the physical functioning, role physical, bodily pain and general health subscales correlated higher with the PCS-12, while the vitality, social functioning, role emotional and mental health subscales correlated higher with the MCS-12. Finally the exploratory factor analysis indicated a two-factor structure (physical and mental health) that jointly accounted for 59.9% of the variance. The confirmatory factory analysis also indicated a good fit to the data for the two-latent structure (physical and mental health). Although the findings could not be generalized to the Iranian population, overall the findings suggest that the SF-12v2 is a reliable and valid measure of health related quality of life among Iranians and now could be used in future health outcome studies. However, further studies are recommended to establish its stability, responsiveness to change, and concurrent validity for this health survey in Iran.

  8. case study

    African Journals Online (AJOL)

    Elton

    particularly in patients who commence ART with low CD4 counts and established opportunistic infections. IRIS results from a pathological inflammatory response to pre-existing infective, host or other antigens, alive or dead, causing clinical deterioration in HIV-infected patients after initiating ART.1 A case definition for IRIS ...

  9. CASE STUDY

    African Journals Online (AJOL)

    2010-09-01

    Sep 1, 2010 ... of the two diseases surgery can be successful, recovery can be similar to that .... lymphocytes predominated in 68% of cases, and that there was an .... using ferritin is the fact that it acts as an acute-phase reactant and will be ...

  10. Study of Concentrations of Available Cations and Anions in PM2.5 in the Air of Twelfth Region of Tehran City

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    Hossean Arfaeinia

    2017-04-01

    Full Text Available Background: In the last few decades, the city's air quality has become a major concern; especially there is strong evidence about health effects of particulate matter in urban communities.In addition to suspended particles concentration, the ionic part of suspended particles is also very important, So that some studies  ions like Sulfate is the reson of increasing the respiratory diseases.So the aim of this study was to study of concentration of PM2.5 particles and their ionic componentsincluding major anions and cations in twelfth region of Tehran city in 2013. Materials & Methods: This cross - sectional study was conducted in the air of twelfth region of Tehran. PM2.5 concentration was calculated with sampling by frmOMNITMAmbient Air Sampler with PTFE filter with a diameter of 47 mm and through the weight measurement.Concentration of anions and cations which had associated with PM2.5 particles was read after collected sample preparation and injection to device Ion Chromatography (IC Metrohm 850 model. Correlation matrix was calculated between anions and cations. Data analysis was carried out by Excel and SPSS version 18 and One-Way ANOVA test. Results: The mean daily concentration of PM2.5 particles was 19.41 µg/m3 during the study. One-Way ANOVA test showed a significant difference at the 0.05 level between PM2.5 concentrations on different days of the week. Concentrations for sodium, potassium, ammonium, calcium, magnesium, sulfate, nitrate, chloride were obtained 0.28, 0.06, 0.49, 0.87, 0.63, 56.3, 1.43 and 0.71 µg/m3, respectively, and no value was detected for fluoride and nitrite. Balance between anions and cations were calculated and the correlation coefficient (R2 were obtained 0.972 between the anions and cations. Conclusion The mean concentrations of PM2.5 was higher than the air standards in Iran and WHO guidelines (25 µg/m3 and EPA standards (35 µg/m3. In a study reported that the One-Way ANOVA test between particle

  11. Case Study: Testing with Case Studies

    Science.gov (United States)

    Herreid, Clyde Freeman

    2015-01-01

    This column provides original articles on innovations in case study teaching, assessment of the method, as well as case studies with teaching notes. This month's issue discusses using case studies to test for knowledge or lessons learned.

  12. Prevalence of aggressive periodontitis in 15-18 years old schoolgirls in Tehran, Iran

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    Sadeghi R

    2006-01-01

    Full Text Available Background and Aim: Aggressive periodontitis is one of the periodontal diseases, which affects systemically healthy individuals usually under the age of 30 years old. The disease is characterized by rapid bone destruction which is not in accordance with the quantity of bacterial plaque. The purpose of the present study was to determine the prevalence of aggressive periodontitis among 15-18 years old female students in Tehran high schools. Materials and Methods: In this cross sectional study, , 2870 students were selected from all educational areas of Tehran during 1382-83 based on systematic clustered random sampling .Probing pocket depth on 6 areas of incisors and first molars were examined in each subject. Students with pocket depth equal to or more than 4 mm on more than one tooth were referred to Shahed Dental School for radiographic examination. For cases in which the distance between the crest of interdental septa and CEJs were equal to or more than 2 mm, full clinical and radiographic examination was performed. Results: Among the subjects of study, only 4 fulfilled the diagnostic criteria of localized aggressive periodontitis. Nobody was diagnosed with generalized aggressive periodontitis. The prevalence of aggressive periodontitis among 15-18 years old schoolgirls was 0.14%. Conclusion: The results of the present study were similar to previous studies with the same age groups and diagnostic criteria in other countries. For determination of total prevalence in Tehran, similar studies in schoolboys are recommended.

  13. Trend of extensively drug-resistant Acinetobacter baumannii and the remaining therapeutic options: a multicenter study in Tehran, Iran over a 3-year period.

    Science.gov (United States)

    Jasemi, S; Douraghi, M; Adibhesami, H; Zeraati, H; Rahbar, M; Boroumand, M A; Aliramezani, A; Ghourchian, S; Mohammadzadeh, M

    2016-12-01

    Comprehensive data on drug-resistant patterns of Acinetobacter baumannii isolates in developing countries is limited. We conducted a multihospital study to assess the rate and trend of drug-resistant phenotypes in Ac. baumannii using standardized definitions and to determine the remaining therapeutic options against resistant phenotypes. The 401 nonduplicate isolates were collected from six hospitals which are geographically distributed across Tehran, Iran over a 3-year period. Following PCR of bla OXA -51-like gene, susceptibility testing was performed against nine antimicrobial agent categories. Three hundred and ninety (97%) isolates were resistant to least two carbapenems; carbapenem-resistant Ac. baumannii. The majority of isolates (366, 91·3%) were extensively drug resistant (XDR) and the rest of the isolates were classified as multidrug resistant (26, 6·8%) and susceptible (9, 2·2%). The rate of XDR-AB slightly decreased from 93·8% in 2011 to 89·8% in 2013. A considerable decrease in resistance to doxycycline, minocycline and tigecycline was demonstrated. The XDR-AB isolates showed susceptibility to gentamicin (10·4%), tobramycin (23%), ampicilin-sulbactam (30·1%), minocycline (32·8%), tigecycline (10·7%), doxycycline (21·6%), colistin (100%) and polymixin B (100%). We demonstrated the rising trend of resistance to all antibiotic categories except tetracyclines and folate pathway inhibitors. We found that the treatment options against XDR-AB are extremely limited and each treatment alternative including even old, but safe, antibiotics might be considered. The high frequency of drug-resistant phenotypes including carbapenem-resistant Acinetobacter baumannii, multidrug-resistant, and extensively resistant has been demonstrated in Ac. baumannii isolates tested here. As the antibiotic resistance pattern of isolates varies in different geographical regions, this study can provide comprehensive information about the antibiotic resistance profile of Ac

  14. Estimation the Number of Mortality Due to Cardiovascular and Respiratory disease, Attributed to pollutants O3, and NO2 in the Air of Tehran.

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    Sevda Fallah jokandan

    2016-03-01

    Full Text Available Introduction and Purpose: Nowadays, the air quality in many major cities is one of the most important environmental problems that seriously compromises the health of residents and causes a range of acute and chronic health effects. herefore, this study was aimed to quantify and estimate the health effects related to the pollutants NO2 and O3 in metropolis of Tehran in 2014 was done by AirQ model. Methods: Data acquired were collected from the environmental organization and the center of air quality control in Tehran. This data were analyzed by Microsoft Excel software, and the processed data was entered AirQ model. The relative risk, baseline incidence and the attributed proportion was estimated and the overall results in case of mortality and morbidity were presented in tables and graphs Results: The results showed that the average annual concentration of NO2 and O3 in Tehran, was respectively 130 and 64 μg/m3. According to the results with baseline incidence of 543.5 per 100,000, the total cumulative number of mortalities attributed to nitrogen dioxide and ozone, were estimated respectively to be 1593 and 946, that included about 2.66% and 1.58% of total mortalities except traffic accidents in Tehran. Conclusion: Our results showed that the level of air pollution has increased in Tehran, which requires more attention of authorities and policy makers to control the air pollution.

  15. Demographic study of pituitary adenomas undergone trans-sphenoidal surgery in Loghman Hakim Hospital, Tehran, Iran 2001–2013

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    Farahnaz Bidari Zerehpoosh

    2015-01-01

    Full Text Available Background: Pituitary adenomas (PAs are abnormal benign tumors that develop in the pituitary gland. This study aimed to assess the prevalence of different types of PAs with an indication for trans-sphenoidal surgery in a well-defined population referred to Loghman Hakim Hospital during 2001–2013. Subjects and Methods: In this retrospective study, the prevalence rate and symptoms associated with pituitary mass and hormone excess in operated patients were investigated. The diagnosis was verified after retrieval of clinical, hormonal, radiological, and pathological data. Demographic data were collected in all cases. Descriptive analysis, t-test, one-way analysis of variance and Fischer exacts test were used. Results: A total of 278 patients with PAs who underwent surgical interventions were evaluated. Most of the patients were aged 40–50 years with an average of 41 ± 14. The most prominent complaint was pressure effect, which was detected in 153 cases (55.2%. At the second place, hormonal disorders were observed in 125 cases (44.8%. Type of pituitary tumors were: Prolactinomas (29.1%, growth hormone (GH-producing tumors (25%, nonfunctioning PAs (28.4%, adrenocorticotropic hormone (ACTH-producing tumors (2.1%, thyroid stimulating hormone (TSH-producing tumors (0.7%, GH/prolactin (13.6%, GH/ACTH (0.3%, and TSH/ACTH (0.3%. Fifty-seven patients presented with recurrent adenomas. Pituitary apoplexy was found in 11 patients. One case of Sheehan syndrome was recorded among these. The correlations between clinical symptoms and patients, age and sex were not significant. Conclusion: The overview of demographic characteristics in Iranian patients with PAs with surgical indication has been discussed in the present investigation. The prevalence of different types of PAs and the most common clinical symptoms have been demonstrated.

  16. The Effectiveness of Yoga on Spiritual Intelligence in Air Traffic Controllers of Tehran Flight Control Center

    Science.gov (United States)

    Safara, Maryam; Ghasemi, Pejman

    2017-01-01

    The aim of this study was to evaluate the efficacy of yoga on spiritual intelligence in air traffic controllers in Tehran flight control center. This was a quasi-experimental research and the study population includes all air traffic controllers in Tehran flight control center. The sample consisted of 40 people of the study population that were…

  17. Dietary phytochemical index and the risk of insulin resistance and β-cell dysfunction: a prospective approach in Tehran lipid and glucose study.

    Science.gov (United States)

    Bahadoran, Zahra; Mirmiran, Parvin; Tohidi, Maryam; Azizi, Fereidoun

    2015-01-01

    In this study, we aimed to investigate the association of dietary phytochemical index (DPI) with insulin resistance, β-cell dysfunction, and insulin sensitivity. This longitudinal study was conducted on 1141 participants of the Tehran Lipid and Glucose Study. Dietary data were collected using a validated semi-quantitative FFQ with 168 food items at baseline and DPI was calculated. Fasting serum insulin and glucose were measured at baseline and again after a 3-year of follow-up. After 3-years of follow-up, the risk of hyperinsulinemia significantly decreased by 65 (OR = 0.35, 95% CI = 0.21-0.60) and 86% (OR = 0.14, 0.07-0.29), in the third and fourth quartile categories of DPI, respectively. The occurrence of insulin resistance and insulin insensitivity in participants with higher DPI was significantly lower than the others (OR = 0.48, 95% CI = 0.25-0.93 and OR = 0.11, 95% CI = 0.05-0.24, respectively). Higher consumption of phytochemical-rich foods may have protective effects against development of insulin resistance.

  18. Haplotype frequency distribution for 7 microsatellites in chromosome 8 and 11 in relation to the metabolic syndrome in four ethnic groups: Tehran Lipid and Glucose Study.

    Science.gov (United States)

    Daneshpour, Maryam Sadat; Hosseinzadeh, Nima; Zarkesh, Maryam; Azizi, Fereidoun

    2012-03-01

    Different variants of haplotype frequencies may lead to various frequencies of the same variants in individuals with drug resistance and disease susceptibility at the population level. In this study, the haplotype frequencies of 4 STR loci including the D8S1132, D8S1779, D8S514 and D8S1743, and 3 STR loci including D11S1304, D11S1998 and D11S934 were investigated in 563 individuals of four Iranian ethnic groups in the capital city of Iran, Tehran. One hundred thirty subjects had the metabolic syndrome. Haplotype frequencies of all markers were calculated. There were significant differences in the haplotype frequencies in short and long alleles between the metabolic affected subjects and controls. In addition, haplotype frequencies were significant in the four ethnic groups in both chromosomes 8 and 11. Our findings show a relation between the short allele of D8S1743 in all related haplotype frequencies of subjects with metabolic syndrome. These findings may require more studies of some candidate genes, including the lipoprotein lipase gene, in this chromosomal region. Copyright © 2011. Published by Elsevier B.V.

  19. A study on the effective factors of mortalities with unknown causes among one month old infants of Tehran and Central provinces

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    Moshkani Z

    1998-07-01

    Full Text Available In this work, the net effect of birth type (one or more children, the number of previous dead children, the mother tongue, mother's age at infant birth, number of deliveries, consanguineous marriages, and the father's education on the mortality of one-month-old infants in families of residents of Tehran and the Central Province is studied. The data referred to in this study was taken from a survey conducted by the Department of Vital Statistics in 1991. Applying multiple logistic regreession to analyze the data I removed the effect of a number of variables to conclude that the consanguineous marriage is significantly effective by itself and in interaction with the number of previous dead children. The odds ratio among consanguine parents for those who had one previous dead child to those without a previous dead child is 5.45. This ratio for non-consanguineous parents is 4.96. Thus the significant effect of consanguinity is proven.

  20. A study on the effect of free cash flow and profitability current ratio on dividend payout ratio: Evidence from Tehran Stock Exchange

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    Hosein Parsian

    2014-01-01

    Full Text Available Decision making about dividend payout is one of the most important decision that companies should encounter. Identifying factors that influence dividends can help managers in making an appropriate dividend policy. In the other side, companies’ dividend payouts over time and with a stable manner may influence on stock price, future earnings growth and finally investor's evaluation about owners' equity. Hence, investigating the factors influencing dividend payout ratio is of high importance. In this research, we investigate the effects of various factors on dividend payout ratio of Tehran Stock Exchange (TSE listed companies. We use time series regression (panel data in order to test the hypothesis of this study. This study provides empirical evidences by choosing a sample of 102 companies over the time span of 2005-2010. The result shows that independent variables of free cash flow and profitability current ratio have negative and significant impact on dividend payout ratio; whereas, the independent variable of leverage ratio has a positive and significant impact on dividend payout ratio. The other independent ratio such as size of the company, growth opportunities and systematic risk do not have any significant influence on dividend payout ratio.

  1. A study on the effects of remote working on quality of services: A SERVQUAL survey on central office of Tehran municipality

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    Hassan Darvish

    2013-06-01

    Full Text Available During the past few years, there have been tremendous efforts on developing remote working among women in an attempt to help females take care of their family related responsibilities. In this paper, we study the impact of remote working on quality of services in central office of Tehran municipality of Iran. The proposed study designs a standard questionnaire to survey remote working and using an existing standard SERVQUAL questionnaire measure the level of quality of work because of remote working. The survey indicates that women who participated in remote working program were satisfied from this program in terms of personal, social as well as organizational productivity. Remote workers were highly satisfied from financial advantage of this program. Managers were, however, highly satisfied from the results of their female’s remote working. In our survey, remote contract workers were more satisfied than remote formal workers were. The surveyed people believed organizational structure was the most important challenge for remote working followed by economical, personal and social issues. The results of SERVQUAL also indicate there were some meaningful relationship between remote working and quality of work.

  2. A Prospective Study of Different Types of Dietary Fiber and Risk of Cardiovascular Disease: Tehran Lipid and Glucose Study

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    Parvin Mirmiran

    2016-11-01

    Full Text Available Background and aim: This study was designed to examine the hypothesis that dietary of intake different types of fiber could modify the risk of cardiovascular disease (CVD in a large prospective cohort among Iranian adults. Methods: In 2006–2008, we used a validated food frequency questionnaire to assess dietary fiber intake among 2295 health professionals with no previous history of heart disease. Subjects were subsequently followed until 2012 for incidence of CVD events. Multivariate Cox proportional hazard regression models, adjusted for potential confounders were used to estimate the risk of CVD across tertiles of total dietary fiber and different types of fiber. Linear regression models were also used to indicate the association of dietary fiber intakes with changes of cardiovascular risk factors during the follow-up. Results: Mean age of participants (42.8% men was 38.2 ± 13.4, at baseline. Mean (SD dietary intake of total fiber was 23.4 (8.9 g/day. After adjustment for cardiovascular risk score and dietary confounders, a significant inverse association was observed between intakes of total, soluble and insoluble dietary fiber and CVD risk, in the highest compared to the lowest tertiles (HR = 0.39, 95% CI = 0.18–0.83, HR = 0.19, 95% CI = 0.09–0.41, and HR = 0.31, 95% CI = 0.14–0.69, respectively. Inverse relations were observed between risk of CVD and dietary fiber from legumes, fruits and vegetables; however, dietary fiber intake from grain and nut sources was not related to risk of CVD. Conclusion: Our findings confirmed that higher intakes of dietary fiber from different sources is associated with CVD events and modify its major risk-related factors.

  3. The impact of job rotation on nurses burnout in Ayatollah Kashani hospital, Tehran: A case study

    OpenAIRE

    M. Shahabi; F. Begdeli; M. Delpasand; P. Raeissi

    2011-01-01

    Background and aims Job burnout is one of the syndromes which is known by emotional exhaustion, depersonalization, and deterioration of job performance. Due to the negative impact this syndrome on patients, employees, and organization in healthcare settings this issue has drawn attention of many researchers to itself during recent years. Despite the large number of publications in this area however, limited attention has been paid to the factors influencing job burnout. The goal of the presen...

  4. Land degradation due to diapirs in Iran, case study: Hableh Rood drainage basin, east of Tehran

    Energy Technology Data Exchange (ETDEWEB)

    Zakikhani, K.; Feiznia, S

    2009-07-01

    Different geological characteristics play role in Land degradation in Iran which are: The abundance of Neogene evaporitic marly formations around and in desertic depression. These units had important role in the formation of present landforms, are saline, alkaline and erodible and degrade the quality of water resources as diffuse and widespread sources and are endless sources for sand dunes. The presence of numerous diapirs, some of which are salt domes consisting of halite. Due to diapirism, salts are now exposed at the surface of many parts of Iran and cause soil, surface and underground water and vegetation degradation as point sources. The importance of diapirism in geology of Iran has been emphasized previously. This paper intends to investigate the effect of salt domes in land degradation and propose restoration measures. (Author) 3 refs.

  5. Assessment of chronic diarrhea in early infancy in Tehran Tertiary Care Center; Tehran-Iran

    OpenAIRE

    Farzaneh Motamed; Naheid Kazemi; Raheleh Nabavizadeh

    2015-01-01

    Introduction Chronic diarrhea of infancy is a heterogeneous syndrome that includes several diseases with different etiologies. The aim of this study was investigating chronic diarrhea, its etiologies, clinical features and outcomes in infancy.Materials and Methods Retrospective study investigating infants hospitalized in the gastroenterology department of Tehran tertiary care center.The main demographic data, etiology, characteristics of diarrhea, and outcome were evaluated. Data were analyze...

  6. Studying the Relationship between the Ability of Biofilm Formation and Antibiotic Resistance in Acinetobacter baumannii Clinical and Environmental Isolates in Tehran, 2015

    Directory of Open Access Journals (Sweden)

    Faegheh Teymori

    2017-07-01

    Full Text Available Abstract Background: Acinetobacters are aerobic gram-negative bacteria which are distributed widespread in soil and water. The bacteria are isolated from cultured skin, mucous membranes, secretions and hospital environment. Acinetobacter baumannii, is a strain that more frequently isolated. Acinetobacter strains are often resistant against antimicrobial agents. Materials and Methods: The method of this study was based on field, observation and test. On August and October 2015, samples were isolated from the soil and water of the Sadeghieh Square river in Tehran, respectively, and were transferred to the laboratory in the ice pack. 50 baumannii samples were isolated by biochemical methods (TSI, SIM, OF and gram test. November 1394, 100 clinical samples were isolated from Imam Khomeini hospital by biochemical method, and in the culture media Mueller Hinton agar plates were transferred to the laboratory. Antibiogram test for 150 baumannii samples was performed. Biofilms formation of Acinetobacter baumannii environmental and clinical samples was investigated by Congo red agar and culture plate methods. Results: In all samples (clinical and soil, most of antibiotic resistance was 92% for imipenem and the resistance of water samples to imipenem was 99.9%. Biofilm formation by Congo red agar in water, soil, and clinical samles was resprctively 44%, 40% and 1%. All isolates were negative biofilm culture plate. Conclusion: Considering Acinetobacter baumannii resistance to antibiotics and the lack of biofilm formation of in clinical and environmental isolates, it was concluded that there wasn’t any relationship between antibiotic resistance and biofilm formation.

  7. Urban Regeneration, City Image of Tehran and Alienation

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    Somayeh Shalchi

    2016-06-01

    Full Text Available In city planning, a fundamental point is to evaluate the city image. The concept of city image is multidimensional. This study evaluate the city image of Tehran and its consequences. Tehran regenerates for many years. This modernization process creates new city image, urban identity and new relationship between residents. This study has qualitative approach. Interview and thematic analysis used for collective and analyses data from 20 citizens. This sample selected equally from north and south of Tehran as developed and undeveloped urban region. Conceptual framework consist Blasé outlook of Simmel, meaning of memory and city of Benjamin and concepts of alienation and spaces of representation in Lefebvre theory. Findings reveal that process of regeneration destroys memories of citizens. They can’t relate with new urban spaces. Regeneration makes separation image from north and south of Tehran. Residents of south  feel sense of deprivation, exclusion and inequality. Interviewees miss their human relationship like neighbors, so they feel loneliness. Totally, elements of city image of residents show alienated sense of place in Tehran.

  8. A comparison study of lipid profile levels between skin tags affected people and normal population in Tehran, Iran

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    Abbas Rasi

    2014-01-01

    Full Text Available Background: For many years the association of skin tags and endocrynopathies has been postulated, although many reports are available but it has never been evaluated to mean normal population. Dyslipidemia is a frequent disorder among people and seemed to be necessary for screening within skin tag condition. This study is designed to find any possible association between skin tags and dyslipidemia. Materials and Methods: From April 2009 to June 2011, 168 patients enrolled the study. Among the remaining 152 patients, there were 89 females (58.5% and 63 males (%41.5. Based on the TLGS study 136 men and 220 women enrolled the control group of study. The mean age was 28.4 years. Patients trained to have normal free diet for at least 1 month then referred to the laboratory. Blood samples were taken over 12 hours fasting with 2 hours intervals. Hypertriglyceridemia was defined as plasma level ≥160 mg/dl for men and ≥130 mg/dl for women. Hypercholesterolemia pointed at its value >200 mg/dl. Normal HDL levels was defined as >39 mg/dl for men and >35 mg/dl to women. Results: Mean skin tag number was 12.6 per subject. The most frequent localizations of skin tags were neck and upper chest (mean number: 13.4, 48.9% followed by axilla (mean number: 11.6, 33% and breast (10.2, 10.1% in the patient group. The mean cholesterol level of case group was 192.2 ± 33.1 mg/dl, while it was 187.0 ± 42 mg/dl in the control group. The mean ± SD for triglyceride was 132.1 ± 69 mg/dl in comparison to 129 ± 74 in the control group. Conclusion: The study showed no significant differences between normal population and patients′ lipid profile.

  9. Asset management using genetic algorithm: Evidence from Tehran Stock Exchange

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    Abbas Sarijaloo

    2014-02-01

    Full Text Available This paper presents an empirical investigation to study the effect of market management using Markowitz theorem. The study uses the information of 50 best performers on Tehran Stock Exchange over the period 2006-2009 and, using Markowitz theorem, the efficient asset allocation are determined and the result are analyzed. The proposed model of this paper has been solved using genetic algorithm. The results indicate that Tehran Stock Exchange has managed to perform much better than average world market in most years of studies especially on year 2009. The results of our investigation have also indicated that one could reach outstanding results using GA and forming efficient portfolio.

  10. Effect of Air Pollution on the Emergency Admissions of Cardiovascular and Respiratory Patients, Using the Air Quality Model: A Study in Tehran, 2005-2014

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    Majid Kermani

    2016-04-01

    Conclusion: Air pollution in Tehran increases the load of emergency visits to hospitals and increases the risk of respiratory and heart diseases. Therefore, measures to reduce and control air pollution and to prepare, equip, and mobilize hospitals, particularly emergency wards, are among important priorities that should be pursued seriously by the authorities.

  11. Exploring neighborhood inequality in female breast cancer incidence in Tehran using Bayesian spatial models and a spatial scan statistic

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    Erfan Ayubi

    2017-05-01

    Full Text Available OBJECTIVES The aim of this study was to explore the spatial pattern of female breast cancer (BC incidence at the neighborhood level in Tehran, Iran. METHODS The present study included all registered incident cases of female BC from March 2008 to March 2011. The raw standardized incidence ratio (SIR of BC for each neighborhood was estimated by comparing observed cases relative to expected cases. The estimated raw SIRs were smoothed by a Besag, York, and Mollie spatial model and the spatial empirical Bayesian method. The purely spatial scan statistic was used to identify spatial clusters. RESULTS There were 4,175 incident BC cases in the study area from 2008 to 2011, of which 3,080 were successfully geocoded to the neighborhood level. Higher than expected rates of BC were found in neighborhoods located in northern and central Tehran, whereas lower rates appeared in southern areas. The most likely cluster of higher than expected BC incidence involved neighborhoods in districts 3 and 6, with an observed-to-expected ratio of 3.92 (p<0.001, whereas the most likely cluster of lower than expected rates involved neighborhoods in districts 17, 18, and 19, with an observed-to-expected ratio of 0.05 (p<0.001. CONCLUSIONS Neighborhood-level inequality in the incidence of BC exists in Tehran. These findings can serve as a basis for resource allocation and preventive strategies in at-risk areas.

  12. Association between dietary phytochemical index and 3-year changes in weight, waist circumference and body adiposity index in adults: Tehran Lipid and Glucose study

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    Mirmiran Parvin

    2012-12-01

    Full Text Available Abstract Background High intakes of phytochemical-rich foods have favorable effects on the prevention of chronic diseases. In this study we assessed the dietary phytochemical index (PI in relation to 3-year change in weight, waist circumference (WC, body adiposity index (BAI among Tehranian adults. Methods This longitudinal study was conducted in the framework of Tehran Lipid and Glucose Study, between 2006–2008 and 2009–2011, on 1938 adults, aged 19–70 y. The usual intake of participants was measured at baseline using a validated semi-quantitative food frequency questionnaire and dietary PI was calculated. Anthropometric measures were assessed both at baseline and 3 years later. Multiple regression models were used to estimate mean difference changes in anthropometrics associated with various dietary PI. Results The mean age of participants was 40.4 ± 13.0 y, at baseline, respectively. Mean weight gain was 1.49 ± 5.06 kg (1.65 ± 5.3 kg in men and 1.34 ± 4.9 kg in women during 3-year period. After adjustment for potential confounding variables including age at baseline, sex, BMI, educational levels, smoking, physical activity, total energy intake, dietary intake of carbohydrate, fat and protein, dietary intakes of whole grains in the highest quartile category of PI were inversely associated with 3-year changes in weight and WC (P for trend . Dietary intake of fruits in the highest quartile was also associated with lower weight gain during the study period (P for trend . There was significant inverse association between the highest quartile category of dietary PI with the 3-year changes in weight and BAI (P for trend . Conclusion Higher dietary PI could have favorable effects on prevention of weight gain and reduction of body adiposity in adults.

  13. Effects of energy-dense nutrient-poor snacks on the incidence of metabolic syndrome: a prospective approach in Tehran Lipid and Glucose Study.

    Science.gov (United States)

    Mirmiran, Parvin; Bahadoran, Zahra; Delshad, Hossein; Azizi, Fereidoun

    2014-05-01

    Increased consumption of energy-dense, nutrient-poor snacks is one of the major, growing concerns in relation to the alarming trend of overweight, obesity, and metabolic disorders worldwide. The aim of this study was to investigate whether consumption of energy-dense snacks could affect the occurrence of metabolic syndrome after 3 y of follow-up in adults. This longitudinal study was conducted within the framework of the Tehran Lipid and Glucose Study between 2006 and 2008 and 2009 and 2011, on 1466 adults, ages 19 to 70 y. The usual intake of participants was measured using a validated semiquantitative food frequency questionnaire at baseline. Biochemical and anthropometric measurements were assessed at baseline and 3 y later. Multiple logistic regression models were used to estimate the occurrence of metabolic syndrome (MetS) in each quartile of energy-dense snacks. Participants in the highest quartile of energy-dense snack consumption were significantly younger (33.8 versus 43.1 y; P consumption of salty snacks increased more than 50% (OR, 1.56; 95% CI, 1.01-2.40). Consumption of soft drinks had a borderline effect on the risk for MetS. More than 361 kcal/d from total energy-dense snacks independently increased the occurrence of MetS in the fourth compared the first quartile category (OR, 1.53; 95% CI, 1.03-2.29). The findings of this study demonstrated that higher consumption of energy-dense snacks could be a dietary risk factor for development of MetS. Copyright © 2014 Elsevier Inc. All rights reserved.

  14. CASE STUDY CRITIQUE; UPPER CLINCH CASE STUDY

    Science.gov (United States)

    Case study critique: Upper Clinch case study (from Research on Methods for Integrating Ecological Economics and Ecological Risk Assessment: A Trade-off Weighted Index Approach to Integrating Economics and Ecological Risk Assessment). This critique answers the questions: 1) does ...

  15. Fast food consumption and the risk of metabolic syndrome after 3-years of follow-up: Tehran Lipid and Glucose Study.

    Science.gov (United States)

    Bahadoran, Z; Mirmiran, P; Hosseini-Esfahani, F; Azizi, F

    2013-12-01

    There are growing concern globally regarding fast food consumption and its related cardiometabolic outcomes. In this study we investigated whether fast food consumption could affect the occurrence of metabolic syndrome (MetS) after 3-years of follow-up in adults. This longitudinal study was conducted in the framework of Tehran Lipid and Glucose Study on 1476 adults, aged 19-70 y. The usual intakes of participants were measured using a validated semi-quantitative food frequency questionnaire at baseline. Biochemical and anthropometric measurements were assessed at baseline (2006-2008) and 3 years later (2009-2011). Multiple logistic regression models were used to estimate the occurrence of the MetS in each quartile of fast food consumption. The mean age of participants was 37.8±12.3 y, and mean BMI was 26.0±4.5 kg/m(2) at baseline. Participants in the highest quartile of fast food consumption were younger (33.7 vs 43.4 years, Pconsumption of fast food was accompanied with more increase in serum triglyceride levels and triglyceride to HDL-C ratio after the 3-year follow-up. After adjustment for all potential confounding variables, the risk of metabolic syndrome, in the highest quartile of fast foods compared with the lowest, was 1.85 (95% CI=1.17-2.95). The effects of fast food consumption on the occurrence of MetS were more pronounced in younger adults (foods or had low-fiber diet (Pconsumption of fast foods had undesirable effects on metabolic syndrome after 3-years of follow-up in Iranian adults.

  16. Urban sprawl and climatic changes in Tehran

    Energy Technology Data Exchange (ETDEWEB)

    Roshan, G.R.; Shahraki, S.Z. [Univ. of Tehran (Iran); Sauri, D. [Univ. Autonoma de Barcelona, Bellaterra (Spain). Dept. of Geography; Borna, R. [Islamic Azad Univ., Ahvaz (Iran)

    2010-07-01

    Urban sprawl beginning in the developed countries around 1950 is currently experienced in almost all countries. Many studies on the effects of urban sprawl indicate the emergence of harmful effects of this phenomenon. The form of urban sprawl which is now seen not only in the developed countries but also in the developing countries, has great undesirable socioeconomic and environmental effects such as air pollution, degradation or pollution of soil resources, reduction of water quality, reduction or degradation of coastal, lake and aquatic ecosystems, destruction of productive farming lands around the cities, the increase of ecological footprint, the increase of economic and social disparity or the decrease of same access to urban amenities and services, absence of landscape protection, reduction of social capital and consequently social relationship, destrution of forest cover, and finally climatic changes and expedition of global warming process due to great dependency on automobiles. One of the most important environmental effects is the changes in climate. The purpose of this research was to identify the relation between urban sprawl components of Tehran with changes in climate variables. To this end, two data sets have been used to study the relation between these elements and components. The first data set included climatic elements such as rainfall, temperature, the percent of relative humidity and the percent of calm wind, as well as its mean speed for a period of 54 years (1953--2006). The second set of data was formed by components relevant to urban sprawl such as city area, private cars per capita, population density and number of urban population. Pearson correlation and multiple regression methods have been applied to compare and identify the relation between climatic components with urban sprawl indices. Results of correlation indicate that among the 5 aforementioned climatic components, annual rainfall and the mean of wind speed to not appear to have

  17. A Study on Consequences of Fall Among Elderly People Referred to Emam Hossein Hospital in Tehran City During 2010-2011

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    Hamidreza Hatamabadi

    2014-04-01

    Full Text Available Objectives: Fall is one of the common reasons of older people referring to emergency rooms. Besides suffering, it exposes huge financial burden on the patient and the community health system, as well. It is important to know about risk factors, predictors, consequences and trauma scoring in elderly following the fall. This study aimed to evaluate the efficacy of TRISS (Trauma-Injury Severity for predicting prognosis of fall among elderly people. Methods & Materials: This cross sectional study conducted among 118 elderly patients attended to Imam-Hossein Hospital in Tehran because of the fall. A check list was used to collect the data.Then, trauma scores were assessed by TRISS, ISS (Injury Severity Score and RTS (Revised Trauma Score. The clinical value of the TRISS was also evaluated. Results: The findings showed that sliding (67% and syncope (33% were the reasons of fall. Mortality rate was 22%, more than half of participants had morbidity (bone fracture followed by 41% impaired functional ability. Means for ISS, RTS and TRISS were 12.06±8.9, 6.54±4.52 and 0.45±0.33 respectively. There was a significant relationship between the mean scores and mortality and morbidity rates, which means all scores were higher among those with higher mortality and morbidity rate (P<0.05. Conclusion: As a conclusion, due to the higher risk of unintentional injury in old age, applying some strategies to prevent and treat it seems essential.It is also vital to have an appropriate management plan for the condition to prevent other side effects to be happened.

  18. Research Network of Tehran Defined Population: Methodology and Establishment

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    Ali-Asghar Kolahi

    2015-12-01

    Full Text Available Background: We need a defined population for determining prevalence and incidence of diseases, as well as conducting interventional, cohort and longitudinal studies, calculating correct and timely public health indicators, assessing actual health needs of community, performing educational programs and interventions to promote healthy lifestyle, and enhancing quality of primary health services.The objective of this project was to determine a defined population which is representative of Tehran, the Capital of Iran. This article reports the methodology and establishment of the research network of Tehran defined population.Methods: This project started by selecting two urban health centers from each of the five district health centers affiliated to Shahid Beheshti University of Medical Sciences in 2012. Inside each selected urban health center, one defined population research station was established. Two new centers have been added during 2013 and 2014. For the time being, the number of the covered population of the network has reached 40000 individuals. The most important criterion for the defined population has been to be representative of the population of Tehran. For this, we selected two urban health centers from 12 of 22 municipality districts and from each of the five different socioeconomic of Greater Tehran. Merely 80000 individuals in neighborhoods of each defined population research station were considered as control group of the project.Findings: Totally we selected 12 defined population research stations and their under-covered population developed a defined population which is representative of Tehran population.Conclusion: a population lab is ready now in metropolitan of Tehran.

  19. Association between Dietary Intakes of Nitrate and Nitrite and the Risk of Hypertension and Chronic Kidney Disease: Tehran Lipid and Glucose Study

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    Zahra Bahadoran

    2016-12-01

    Full Text Available Background and Aim: The association of habitual intakes of dietary nitrate (NO3− and nitrite (NO2− with blood pressure and renal function is not clear. Here, we investigated a potential effect of dietary NO3− and NO2− on the occurrence of hypertension (HTN and chronic kidney disease (CKD. Methods: A total of 2799 Iranian adults aged ≥20 years, participating in the Tehran Lipid and Glucose Study (TLGS, were included and followed for a median of 5.8 years. Dietary intakes of NO3− and NO2− were estimated using a semi-quantitative food frequency questionnaire. Demographics, anthropometrics, blood pressure and biochemical variables were evaluated at baseline and during follow-up examinations. To identify the odds ratio (OR and 95% confidence interval (CI of HTN and CKD across tertile categories of residual energy-adjusted NO3− and NO2− intakes, multivariate logistic regression models were used. Results: Dietary intake of NO3− had no significant association with the risk of HTN or CKD. Compared to the lowest tertile category (median intake < 6.04 mg/day, the highest intake (median intake ≥ 12.7 mg/day of dietary NO2− was accompanied with a significant reduced risk of HTN, in the fully adjusted model (OR = 0.58, 95% CI = 0.33–0.98; p for trend = 0.054. The highest compared to the lowest tertile of dietary NO2− was also accompanied with a reduced risk of CKD (OR = 0.50, 95% CI = 0.24–0.89, p for trend = 0.07. Conclusion: Our findings indicated that higher intakes of NO2− might be an independent dietary protective factor against the development of HTN and CKD, which are major risk factors for adverse cardiovascular events.

  20. Students of Tehran Universities of Medical Sciences

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    Ghezelbash Sima

    2015-07-01

    Full Text Available Introduction: Social anxiety is an important factor in peoples’ mental health. Good mental health while studying in university makes students able to deal effectively with numerous stressors that they experience. The purpose of this study was to determine and compare the social anxiety of nursing students in grades one to four of medical universities in Tehran. Methods: In this analytic cross-sectional study, 400 students from universities of medical sciences in Tehran were recruited by stratified sampling with proportional allocation. Data were collected during the first semester in 2010. Students completed a two-part questionnaire including the Liebowitz social anxiety questionnaire and a demographic information form. Data were analyzed using descriptive statistics methods and an analytical test by SPSS statistical software. Results: There was no statistically significant difference in the total scores of social anxiety of first- to fourth-year students. The mean score of the avoidance of social interaction dimension in fourth-year students was significantly lower than in first year students (p<0.05. Conclusion: In regard to the relationship between social anxiety and interpersonal communication as an associated part of nursing care, decrease of social anxiety of students could play an important role in their mental health. According to the results of this study, it seems that the placement of students in the nursing education system does not produce any changes in their social anxiety.

  1. Survey of post polio syndrome in Tehran

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    Talebian S

    2009-04-01

    Full Text Available "nBackground: The long-term effects of poliomyelitis are known in many of countries. In despite of one accrue title for these signs and symptoms; there are similarity aspects in patients' problems. In the signs of explained, absence of strength and endurance, musculoskeletal difficulties, respiratory dysfunction, sleep disorders are more generalized. Prevalence of post polio syndrome (PPS is aim of this study. "nMethods: 150 subjects with history of poliomyelitis (80 male and 70 female in Tehran city contributes in this study and complete question forms. "nResults: Muscle pain was reported in 88% of subjects. Thigh muscle weakness was at 42/28%, also muscle spasm indicated at 66%. Recurrent falling of subjects appeared in 74/7%. Early fatigue reported 86%. Above five signs selected for PPS. In this study 85 subjects had four signs of above criteria or 56.66% of subjects had PPS. "nConclusion:  Depended of evaluation and observation there is post polio syndrome in Tehran. Recommended for physical therapy of post polio syndrome attend to stages of progression of this syndrome. In aim to this procedure, physical treatment of these patients must limit to muscle fatigue and also severe physical and exercise activities must be reduce, also some mild aerobic activities without fatigue can be useful.

  2. Physical Child-Abuse in Tehran, Iran

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    Ali Akbar Sayyari

    2001-12-01

    Full Text Available Objective: Child-abuse (physical, mental and sexual is considered as one of the important problems faced by persons specialized in behavioral Sciences and Forensic Medicine, physicians and pediatricians. This cross-sectional study was conducted to determine the status of physical child-abuse in Tehran. Materials & Methods: Forty-five pediatric residents, trained for this purpose, conducted this ten-day study in three teaching hospitals (Children's Medical Center, Bahrami Hospital, Hazrat Ali-Asghar Hospital. A questionnaire on physical child-abuse, designed and proposed by the WHO, was completed for 3019 children (male=1578, 52.3% female=1441, 47.7% less than 18 years of age, who attended the emergency department of the above hospitals. The children and their parents were interviewed and physical examination was performed for the children. Results: A total of 347 children (male=14.5%, female =9.6%, which is 12.2% of the total number of children studied, were physically abused. Injuries were mostly present on the face, upper extremities, back and lower extremities, among which 12.8% of the cases were severe and 87.2% were moderate in intensity. Fathers and mothers were responsible for 51.2% and 34.1% of the cases of child-abuse respectively. Among the persons responsible for causing child-abuse, 34.1% had themselves been physically abused during their childhood period and 26.4% had physically abused children before. Hyperactivity, bed-wetting and an unwanted child were among the most common causes of child-abuse. Conclusion: Factors precipitating child-abuse included: large numbers of children in the family drug addiction of one of the family members, and acute or severe psychological stress during the past 6 months. Using the Chi-square test, a significant relationship (P value=0.00l was found to exist between physical child-abuse and demographic factors such as age, sex, site of residence, history of divorce or separation of the parents and

  3. Study on a new design of Tehran Research Reactor for radionuclide production based on fast neutrons using MCNPX code.

    Science.gov (United States)

    Zandi, Nadia; Afarideh, Hossein; Aboudzadeh, Mohammad Reza; Rajabifar, Saeed

    2018-02-01

    The aim of this work is to increase the magnitude of the fast neutron flux inside the flux trap where radionuclides are produced. For this purpose, three new designs of the flux trap are proposed and the obtained fast and thermal neutron fluxes compared with each other. The first and second proposed designs were a sealed cube contained air and D 2 O, respectively. The results of calculated production yield all indicated the superiority of the latter by a factor of 55% in comparison to the first proposed design. The third proposed design was based on changing the surrounding of the sealed cube by locating two fuel plates near that. In this case, the production yield increased up to 70%. Copyright © 2017. Published by Elsevier Ltd.

  4. Intake of dairy products, calcium, magnesium, and phosphorus in childhood and age at menarche in the Tehran Lipid and Glucose Study.

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    Fahimeh Ramezani Tehrani

    Full Text Available PURPOSE: Studies indicate that milk intake is associated with insulin-like growth factor 1 (IGF-1 concentrations and height in childhood, whether milk and other dairy products promote puberty remains unclear. This study aimed to investigate influences of pre-pubertal intakes of milk, yogurt and cheese on menarcheal age in Tehranian girls. The associations of total dietary calcium (Ca, magnesium (Mg, and phosphorus (P with menarcheal age were also examined. METHODS: This prospective study was conducted on 134 pre-pubertal girls, aged 4-12 years at baseline, who participated in the Tehran Lipid and Glucose Study (TLGS, and were followed for a median of 6.5 years. Dietary intakes were determined at initiation of the study using two non-consecutive 24-h dietary recalls and the age of menarche was documented during the follow-up. Logistic regression was used to calculate the risk of reaching menarche ≤ 12 years according to pre-pubertal levels of dairy or mineral intakes. RESULTS: The risk of earlier menarche was higher in girls with higher intakes of milk [OR: 2.28 (95% CI: 1.03-5.05], Ca [OR: 3.20 (95%CI: 1.39-7.42], Mg [OR: 2.43 (95% CI: 1.12-5.27] and P [OR: 3.37 (95 % CI: 1.44-7.87 after controlling for energy and protein intake, interval between the age at study initiation and the age of menarche, and maternal age at menarche (Model 1. Girls in the middle tertile of cheese intakes had a lower risk of reaching menarche ≤ 12 years than those in the lowest tertile after controlling for covariates in model 1. These associations remained significant after further adjustment of BMI Z-score at baseline. The relationship of Ca, Mg, and P with menarche remained after further adjustment for height Z-score at baseline, whereas the association between milk and cheese intakes became non-significant. CONCLUSIONS: Pre-pubertal intake of milk, but not cheese and yogurt, may hasten age at menarche.

  5. Urbanizing the Iranian Public: Text, Tehran and 1922

    DEFF Research Database (Denmark)

    Elling, Rasmus Christian

    2018-01-01

    By using the heuristic device of transpatialization and the methodology of urban cultural studies, this article argues that the 1922 serialized novel Tehrān-e Makhuf (Dreadful Tehran) by Seyyed Mortaza Moshfeq-e Kazemi (1902-1978), with its distinctly urban modes of imagination and production, at...

  6. Economic evaluation of tehran-north freeway project with an ...

    African Journals Online (AJOL)

    Also, a variety of reports have been presented about Tehran-North Freeway, but since this freeway has shortened the link between the Caspian Sea and the Persian Gulf and plays a major role in the development of transit and tourism activities in the region and due to its significance, the current study examines it with an ...

  7. Perceived social support and health-related quality of life (HRQoL) in Tehranian adults: Tehran lipid and glucose study.

    Science.gov (United States)

    Jalali-Farahani, Sara; Amiri, Parisa; Karimi, Mehrdad; Vahedi-Notash, Golnaz; Amirshekari, Golshan; Azizi, Fereidoun

    2018-05-10

    Several studies have demonstrated the positive association between perceived social support and health-related quality of life (HRQoL) in certain groups; however, few studies have assessed this relationship in general population and between genders. This study aimed to investigate associations between socio-demographic factors, perceived social support and HRQoL among an urban Iranian population. The study population were 1036 adults who had participated in Tehran Lipid and Glucose Study (TLGS). Data on socio-demographic information, perceived social support and HRQoL were collected using standard questionnaires by trained interviewers. Perceived social support and HRQoL were assessed using Iranian versions of the Multidimensional Scale of Perceived Social Support (MSPSS) and Short-Form 12-Item Health Survey version 2 (SF-12v2) respectively. Data on sets of associations among socio-demographic factors, perceived social support and quality of life were analyzed using Structural Equation Modeling (SEM) with IBM SPSS AMOS software. Mean ages were 50.3 ± 16.3 and 49.6 ± 14.0 years in men and women respectively and 40.9% of participants were male. In terms of perceived social support scores, except for family subscale scores (p = 0.003), there were no significant differences between men and women. However, men had significantly higher HRQoL scores, compared to women in all subscales. The findings of SEM analysis demonstrated that being married in both genders (p social support. In terms of physical HRQoL, being single and higher perceived social support in both genders and lower age and not having any chronic diseases, only in women were associated with higher physical HRQoL. However, for mental HRQoL, age and perceived social support had significant direct associations with mental HRQoL in both genders (p social support was found to be both directly and indirectly associated with physical and mental aspects of HRQoL in both genders. Current

  8. Dietary phytochemical index and subsequent changes of lipid profile: A 3-year follow-up in Tehran Lipid and Glucose Study in Iran

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    Mahdieh Golzarand

    2014-07-01

    Full Text Available BACKGROUND: High intakes of phytochemical-rich foods have beneficial effects on lipid profiles and cardiovascular disease (CVD. In this study, we assessed the association between the dietary phytochemical index (PI and changes in lipid profile after 3-year follow-up among Iranian adults. METHODS: This longitudinal study was conducted in 1983 subjects, aged 19-70 years, selected among participants of the Tehran Lipid and Glucose Study. Dietary data were collected by using a validated semi-quantitative food frequency questionnaire with 168 food items at baseline. PI was calculated based on daily energy derived from [(phytochemical-rich foods kcal/total daily energy intake kcal × 100]. Lipid profile was measured at baseline and after 3 years and changes in serum lipid profiles were assessed during 3-year follow-up. RESULTS: The mean age of participants was 40.4 ± 13.0 years; participants in the highest PI quartile category were more likely to be older. After 3 years of follow-up, total cholesterol was significantly lower in the highest quartile compared with lower quartile of PI in men (181 ± 3 vs. 189 ± 3, P for trend <0.05. There were significant inverse association between dietary PI and 3 years changes of total cholesterol [β: −5.6, 95% confidence interval (CI = −9.3, −1.8], triglycerides (β = −13.7, 95% CI = −24.6, −2.8, and non-high-density lipoprotein cholesterol (HDL-C (β = −6.2, 95% CI = −10.8, −1.5, in highest quartile of PI in men. Lipid profiles showed no significant changes over the study period in women. CONCLUSION: Higher dietary PI is associated with 3 years improvement of total cholesterol, triglycerides, and non-HDL-C. Higher consumption of phytochemical-rich foods is recommended to prevent CVD.   Keywords: Phytochemical, Triglyceride, Cholesterol, Fruit and vegetables, Whole Grains 

  9. The study of fungal contamination in three current packed spices in the markets of Tehran: brief report

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    Mohammad Mansouri

    2015-06-01

    Conclusion: The obtained results of this cross-sectional study and the available proofs in community indicate that, there are the high levels of fungal contaminations in current used spices. Therefore, it is necessary to control the production units.

  10. Sudden Death Following Exercise; a Case Series Study

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    Fares Najari

    2016-04-01

    Full Text Available Introduction: Natural and unexpected death that happens within less than one hour of first symptom occurrence is called sudden death. Cardiovascular diseases are the main known reason of sudden death and more than 75% of sudden deaths in athletes are assigned to it. Here we reported the autopsy results of all cases with sudden death following exercise that were referred to forensic center of Tehran, Iran, from 2009 to 2014. Methods: In this cross sectional study all subjects who were registered to forensic medicine center of Tehran, Iran, from 2009 to 2014, as a case of sudden death following exercise were evaluated. Demographic data and medical history as well as autopsy and toxicology findings were retrospectively gathered using profiles of the deceased. Results were reported using descriptive analysis. Results: 14 cases were registered as sudden death following exercise in forensic medicine profiles during the study period. Exploring the files of the mentioned deceased, revealed five non-compatible cases in this regard. Finally, 9 eligible cases were enrolled (88.9% male. The mean age of the deceased was 28.66 ± 10.86 years (range: 7 – 40. Toxicological tests were available for 7 cases, one of which was positive for tramadol. Sudden death following football was reported most frequently (44.4%. Only 3 (33.3% cases had herald signs such as chest pain, syncope, or loss of consciousness. 1 case (11.11% had a positive history of sudden death in relatives. Conclusion: Although most sudden death victims are asymptomatic until the event, all those who suffer from symptoms such as chest pain, shortness of breath, dizziness, fatigue and irregular heart rate during physical activities, should be screened regarding common probable causes of sudden death.

  11. Evaluation of Chronic Obstructive Pulmonary Disease Attributed to Atmospheric O3, NO2 and SO2 in Tehran City, from 2005 to 2014

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    Majid Kermani

    2017-04-01

    Full Text Available Air pollution in Tehran is considered as one of the most important factors threatening human health. High concentrations of pollutants have adverse effects on citizens and the environment. We calculated the relation between COPD and criteria air pollutants in Tehran, one of the most polluted cities in the world during 2005 to 2014. Hourly data of pollutants include SO2, O3 and NO2 were taken from the Tehran environmental protection agency and Air Quality Control Company. The AirQ2,2,3 model that proposed by the WHO, is used to health impact assessment of pollutants in terms of hospital admission due to Chronic Obstructive Pulmonary Disease. Results indicated that the total cumulative number of cases due to hospital admission due to COPD in Tehran city from 2005 to 2014 for SO2, O3 and NO2 was 1806, 2941 and 2454 cases, respectively. The finding of this study showed that total mean of SO2, O3 and NO2 was higher than the standard concentration. By comparison with guideline and standards, annual concentration for SO2, O3 and NO2 was exceeded on standard level in during the study period. This study demonstrated that a high percentage of hospital admission due to Chronic Obstructive Pulmonary Disease resulting from these pollutants could be due to the high average concentration in the air of Tehran during 2005 to 2014. So, authorities must apply the efforts and necessities actions based on comprehensive scientific researches to control air pollutants and abate their negative effects on human health.

  12. Popularity and Harms of Aural Foreign Bodies: A Descriptive Study of Patients in Baqiyatallah University Hospital, Tehran, Iran.

    Science.gov (United States)

    Taheri, Abolfazl; Mehmandari, Sina Navaei; Shahidi, Mojtaba; Mehdizadeh, Hamidreza; Mirlohi, Seyyed Mohammad Javad; Aref, Nasrin Mohammadi; Avanaki, Mahsa Alborzi; Khosravi, Mohammad Hossein

    2017-12-01

    To evaluate the prevalence of external ear complications among Iranian aural foreign body users attending to otolaryngology clinic of our hospital. In this cross-sectional study patients attending to Otolaryngology clinics of Baqiyatallah hospital were enrolled regardless of their age, gender and reason of attending. Patients between 15 and 60 years of age were included in the present study. Those with positive history of chronic ear diseases, ear surgery, congenital ear disorders, trauma to ear or head and neck region or shock wave trauma were excluded from the study. Demographic information as well as data on chief complaint, educational level, frequency and type of used foreign body and findings of physical examination and Otoscopy by a single otolaryngologist were recorded in a predesigned checklist. Eventually 362 patients (232 male and 130 female) with a mean age of 40.32 ± 16.90 years underwent analysis. Of all patients 244 (67.2%) were using a kind of aural foreign body frequently and Cotton bud was the most popular (63.5%) used foreign body among patients. Drying ear canal was the most common (54.9%) reason of using AFBs among study individuals followed by itching (29.5%) and pyorrhea (11.06%). Also 11 (4.5%) patients were using AFBs as a habit with no specific reason. Itching was the most prevalent symptom reported by both aural foreign body users (78%) and non-users (45.5%); however it was significantly higher among AFB users (p = 0.026). Also hearing loss was significantly more reported by AFB users (p = 0.033). A majority of patients had normal physical examination in both AFB users and non-users group. Inflammation of ear canal was significantly more detected in AFB users (p = 0.004). In addition, rate of right ear wax impaction was higher among AFB users (p = 0.016). In conclusion we realized that 67.2% of patients attending to Otolaryngology clinic of our hospital were using a kind of aural foreign bodies and itching was the most common chief

  13. Quality and quantity of construction and demolition waste in Tehran.

    Science.gov (United States)

    Asgari, Alireza; Ghorbanian, Tahereh; Yousefi, Nader; Dadashzadeh, Dariush; Khalili, Fatemeh; Bagheri, Amin; Raei, Mehdi; Mahvi, Amir Hossein

    2017-01-01

    In recent years the generation rate of construction and demolition waste (C&D) has significantly augmented. The aim of this study was to assessed the quality and quantity of construction and demolition waste in Tehran (capital of Iran). Questionnaire methods were used for estimating the amount of generated C&D wastes national statistical data and typical waste generation data. In order to defining the composition of C&D waste, trucks were randomly selected and their wastes were separated and weighted. According to obtained results, about 82,646,051 m 3 of C&D waste (average 16,529,210 m 3 per year) were generated during 2011 to 2016 which only about 26% of them has been recycled. Mixing sand and cement, concrete, broken bricks and soil have the highest amount of the composition of C&D waste in Tehran that was 30, 19, 18 and 11%, respectively. Based on the results, about 2,784,158 t of the waste will generate in 2025 and this is approximately 122% higher than wastes generate in 2016. Based on MAPSA's data, 360 teams of personnel cruise and control the illegal disposals, but due to the expansion of Tehran this number of teams is inadequate and can't be effective in controlling the situation. In general, the overall condition of C&D waste management in Tehran seems undesirable and needs to be updated based on the experience of successful countries in this field.

  14. The Study of Implement of HCS Program at Hazardous Chemicals Knowledge and Safety performance in Tehran refinery, s laboratory unit

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    N. Hassanzadeh-Rangi

    2008-10-01

    Full Text Available Background and aims   The HCS standard includes listing of chemicals, labeling of chemical  containers, preparation of material safety data sheets, writing plan and employee training  programs. The aim of this study was to determine the influence of implemented program to enhance the knowledge and safety performance level of employees.   Methods   The knowledge level and unsafe act ratio were measured using both questionnaire  and behavior checklist (with safety sampling method before and after enforcing this interface.   Results   In this study, the mean and standard deviation of the knowledge level of employees  related to chemical safety before enforcing the interface was 46% and 14%. However, after  enforcing the interface, mean and standard deviation was 88% and 12%. The paired-t-test result   in this parameter was significant (p-value <0.0001. The mean and standard deviation of  knowledge level of employees related to warning labels before to enforcing the interface was 29%  and 22%. After enforcing the interface, mean and standard deviation was 80% and 16%. The paired-t-test result in this parameter was significant (p-value <0.0001. The mean and standard  deviation of the knowledge level of employees related to hazard communication methods before enforcing the interface was 25% and 11%. After enforcing the interface, mean and standard deviation was 79% and 16%. The paired-t-test result in this parameter was significant (p-value   <0.001.   Conclusion   The obtained result revealed that enhancement of the knowledge related to chemical safety, hazard communication methods and warning labels was significant. Statistical paired-t-test and control chart methods was used to comparison between unsafe act ratio before  and after enforcing the interface. The mean and standard deviation of unsafe act ratio before implementation of HCS program was 23.6% and 5.49%. However, mean and standard deviation of unsafe act ratio

  15. Study of the distribution of Malassezia species in patients with pityriasis versicolor and healthy individuals in Tehran, Iran

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    Zeraati Hojjat

    2004-05-01

    Full Text Available Abstract Background Pityriasis versicolor is a superficial infection of the stratum corneum which caused by a group of yeasts formerly named pityrosporium. The taxonomy of these lipophilic yeasts has recently been modified and includes seven species referred as Malassezia. The aim of this study is to compare the distribution of Malassezia species isolated from pityriasis versicolor lesions and those isolated from healthy skins. Methods Differentiation of all malassezia species performed using morphological features and physiological test including catalase reaction, Tween assimilation test and splitting of esculin. Results In pityriasis versicolor lesions, the most frequently isolated species was M. globosa (53.3%, followed by M. furfur (25.3%, M. sympodialis(9.3%, M. obtusa (8.1% and M. slooffiae (4.0%. The most frequently isolated species in the skin of healthy individuals were M. globosa, M. sympodialis, M. furfur, M. sloofiae and M. restricta which respectively made up 41.7%, 25.0%, 23.3%, 6.7% and 3.3% of the isolated species. Conclusions According to our data, M. globosa was the most prevalent species in the skin of healthy individuals which recovered only in the yeast form. However, the Mycelial form of M. globosa was isolated as the dominant species from pityriasis versicolor lesions. Therefore, the role of predisposing factors in the conversion of this yeast to mycelium and its subsequent involvement in pityriasis versicolor pathogenicity should be considered.

  16. Fast Food Intake Increases the Incidence of Metabolic Syndrome in Children and Adolescents: Tehran Lipid and Glucose Study.

    Science.gov (United States)

    Asghari, Golaleh; Yuzbashian, Emad; Mirmiran, Parvin; Mahmoodi, Behnaz; Azizi, Fereidoun

    2015-01-01

    The aim of the study was to evaluate the association between fast food consumption and incidence of metabolic syndrome (MetS) and its components among children and adolescents over a 3.6 year follow-up. Dietary data of 424 healthy subjects, aged 6-18 years, was collected using a valid and reliable food frequency questionnaire. Metabolic syndrome was defined according to the Cook et al criteria. Consumption of fast foods including hamburgers, sausages, bologna (beef), and fried potatoes was calculated and further categorized to quartiles. Multiple logistic regression models were used to estimate the incidence of MetS and its components in each quartile of fast food intake. The incidence of MetS was 11.3% after a 3.6 year follow up. In the fully adjusted model, compared to the lowest quartile of fast food intake, individuals in the highest had odds ratios of 2.96 (95% CI: 1.02-8.63; P for trendobesity, respectively. No significant association was found between fast food intakes and other components of MetS. Fast food consumption is associated with the incidence of MetS, abdominal obesity, and hypertriglyceridemia in Tehranian children and adolescents.

  17. Fast Food Intake Increases the Incidence of Metabolic Syndrome in Children and Adolescents: Tehran Lipid and Glucose Study.

    Directory of Open Access Journals (Sweden)

    Golaleh Asghari

    Full Text Available The aim of the study was to evaluate the association between fast food consumption and incidence of metabolic syndrome (MetS and its components among children and adolescents over a 3.6 year follow-up. Dietary data of 424 healthy subjects, aged 6-18 years, was collected using a valid and reliable food frequency questionnaire. Metabolic syndrome was defined according to the Cook et al criteria. Consumption of fast foods including hamburgers, sausages, bologna (beef, and fried potatoes was calculated and further categorized to quartiles. Multiple logistic regression models were used to estimate the incidence of MetS and its components in each quartile of fast food intake. The incidence of MetS was 11.3% after a 3.6 year follow up. In the fully adjusted model, compared to the lowest quartile of fast food intake, individuals in the highest had odds ratios of 2.96 (95% CI: 1.02-8.63; P for trend<0.001, 2.82 (95% CI: 1.01-7.87; P for trend = 0.037, and 2.58 (95% CI: 1.01-6.61; P for trend = 0.009 for incidence of MetS, hypertriglyceridemia, and abdominal obesity, respectively. No significant association was found between fast food intakes and other components of MetS. Fast food consumption is associated with the incidence of MetS, abdominal obesity, and hypertriglyceridemia in Tehranian children and adolescents.

  18. Project management case studies

    CERN Document Server

    Kerzner, Harold R

    2013-01-01

    A new edition of the most popular book of project management case studies, expanded to include more than 100 cases plus a ""super case"" on the Iridium Project Case studies are an important part of project management education and training. This Fourth Edition of Harold Kerzner''s Project Management Case Studies features a number of new cases covering value measurement in project management. Also included is the well-received ""super case,"" which covers all aspects of project management and may be used as a capstone for a course. This new edition:Contains 100-plus case studies drawn from re

  19. Forensic Toxicology Perspectives of Methadone-associated Deaths in Tehran, Iran, a 7-year Overview.

    Science.gov (United States)

    Akhgari, Maryam; Amini-Shirazi, Noushin; Iravani, Fariba Sardari

    2018-04-01

    Methadone has a long history of pain relief and successful substitute for maintenance treatment in heroin and narcotic addiction. The aim of the study was to assess the trends of methadone-associated deaths in Tehran, Iran, in 2009-2015, from a forensic toxicology point of view. All methadone-associated deaths during this 7-year study period were evaluated according to demographic parameters and forensic toxicology analysis results. Results showed that 1274 cases of methadone-associated deaths were investigated during the study period. The incidence rate of methadone-associated deaths had risen 7.7 times in 2015 in comparison with 2009 (p < 0.05). The majority of cases were men (90.35%), aged from 20 to 40 years. About 80% of cases had shown positive results for other drugs and poisons in combination with methadone. Methamphetamine and tramadol were the most drugs detected in post-mortem samples. Death rates among methadone users in Tehran, Iran, increased year by year during 2009-2015. These findings raise the attention to the concomitant use of drugs with the need for changes in regulation and regulatory policy to restrict access and use of controlled drugs. © 2017 Nordic Association for the Publication of BCPT (former Nordic Pharmacological Society).

  20. Case Study Research Methodology

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    Mark Widdowson

    2011-01-01

    Full Text Available Commenting on the lack of case studies published in modern psychotherapy publications, the author reviews the strengths of case study methodology and responds to common criticisms, before providing a summary of types of case studies including clinical, experimental and naturalistic. Suggestions are included for developing systematic case studies and brief descriptions are given of a range of research resources relating to outcome and process measures. Examples of a pragmatic case study design and a hermeneutic single-case efficacy design are given and the paper concludes with some ethical considerations and an exhortation to the TA community to engage more widely in case study research.

  1. Assessment of the living and workplace health and safety conditions of site-resident construction workers in Tehran, Iran.

    Science.gov (United States)

    Mohseni, Peyman Hossein; Farshad, Ali Asghar; Mirkazemi, Roksana; Orak, Rouhangiz Jamshidi

    2015-01-01

    The purpose of this study was to assess living and workplace safety conditions of construction workers in Tehran, Iran. This cross-sectional study was conducted among 410 construction sites in a municipal area of Tehran whose municipal building permits were issued in 2011. Data on ventilation, workplace safety and hygiene were collected by direct observation and interviews with site foremen. Noise levels were estimated from 10 sound-level-meter stations in the municipality area. Lack of ventilation in the workers' rooms was abundant. Bathrooms were unhygienic and minimum requirements such as lighting and ventilation did not exist in 80% of the cases. In nearly 50% of large construction sites, sewage and garbage disposal were inappropriate. Elevator safety was poor at all sites and no measures for fall prevention were present in over 88% of active construction sites. This study showed that the mean 24-h equivalent continuous sound level Leq was over 70 dB in 80% of the sites during weekdays. The results of this study revealed poor health and safety living and working conditions of construction workers in Tehran.

  2. Diagnostic Distribution of Mental Disorders in Geril Atric Outpatients Tehran 2002

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    Mahshid Foroughan

    2007-01-01

    Full Text Available Objectives: Reports on the epidemiology of mental disorders in the elderly mostly arise from the studies on the populations of the western developed countries. Due to gross social and cultural differences, these findings may not be generalizable to the oriental countries and the need for native studies is increasingly felt. to determine a primary estimate of the prevalence of mental disorders in elderly people with health problems residing in the community. Methods & Materials: probable psychiatric cases among 314 patients successively presented to the only outpatient geriatric clinic in Tehran, after careful examination by a physician, referred for psychiatric evaluation. These subjects were examined by a psychiatrist and 100 of them received a diagnosis according to DSMb4 criteria. Data about related factors gathered and analyzed by the software SPSSb Version 10th. Results: 31.8% of the original sample received a psychiatric diagnosis. Depressive disorders (58%, cognitive disorders (29% and anxiety disorders (12% were most frequent diagnosis. Symptoms had been appeared after a life event in 52% of cases. Conbcurrent physical problems were prevalent. Hypertension was the most frequent physical problem (31% and Poly-pharmacy found in many cases  (m=1.4±2.89 Conclusion: The need for psycho-geriatric services is widespread among elderly living in Tehran and the con-current physical problems and poly pharmacy complicate the situation.

  3. Developing a Model for Measuring Risk Exposure Status in IT Outsourcing Projects of Iran Health Sector (Survey Study about Tehran Hospitals and Health Centers

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    ali Heidari

    2013-07-01

    Full Text Available The presented research paper aims to introduce a model in order to identify risks and risk factors associated with outsourcing of information technology in conjunction with health systems, measuring the probability of happening each of them and the loss of each risk. The data used in this research has been gathered from the IT experts of the healthcare sector in Tehran through the questionnaire made by the author. Then the indexes of risk exposure has been classified and ordered in seven factors, using exploratory and confirmatory factor analysis. At the end, the probability and the associated loss of each factor have been measured

  4. Measuring the Noise Caused by Tehran Metro

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    Majid Abbas Pour

    1999-03-01

    Full Text Available One of the most common and important sources of noise in the residential environments are vehicles such as airplanes and subways. Trafficking of vehicles in streets and highways, psychologically, have damaging impacts on people living close to such areas. The development and expansion of the trading and industrial units is another factor that causes more and more exposure to noise.We have aimed at measuring the noises caused by vibration of subways of the Line of Karaj-Tehran-Mehrshahr and its effect on its surrounding area.To study this effect we designed a mathematical model and put the information of this subway line in the mentioned model. Then we analyzed the findings.This model demonstrated that we can control the harsh noise of the subway by reducing the speed of the train to 60Km/h in some points and increase in other parts to 130Km/h.

  5. People's trust in health news disseminated by mass media in Tehran.

    Science.gov (United States)

    Nedjat, Sima; Nedjat, Saharnaz; Majdzadeh, Reza; Farshadi, Mojgan

    2014-01-01

    People are increasingly interested in health news. As a mass media, the 'Islamic Republic of Iran Broadcasting' (IRIB) has the highest number of target audiences. In Iran, some people follow health news via health programs on satellites and other means of communication. However, all of these programs do not live up to the standards of scientific evidence. In this study, we examined Tehran people's trust in health news disseminated by the IRIB and other mass media outlets. A cross-sectional study was conducted in Tehran. Through multistage sampling, 510 households proportional to size were randomly selected from five regions of Tehran including northern, eastern, western, southern and central regions. One person from each household completed the questionnaire through interviews. The questionnaire included questions on people's level of trust in health news delivered by the IRIB, satellite programs, the internet and magazines. It also included demographic questions. The validity and reliability of the questionnaire was evaluated. Among the interviewees, 50.6% was female. The highest level of trust by the participants was observed in the IRIB (65.2%), and the lowest trust was observed in satellite news (43.4%); pnews broadcasters had more mastery over the subject than the ones in satellite channels (pnews (pnews had improved in the past 10 years. Fifty nine point eight percent of participants believed the quality and accuracy of the IRIB health news was monitored. People's higher level of trust in domestic news as compared to foreign sources and the better status of domestic sources in other areas such as precision in reporting, coverage of more important news, its delivery in lay language, the news broadcasters' proficiency, and other cases - from the participants' point of view - can highlight the significance of designing interventions for changing health behavior among domestic health news producers. Therefore, the results of this study can prove useful to health

  6. Assessment of Snacks Consumption among High School Students of Tehran during 2010-2011 Years

    OpenAIRE

    F Jafari; M Aminzadeh; F Gitinavard

    2013-01-01

    Abstract Background & aim: Eating snacks during the day can lead to energy distribution and improvement of the health status of students. The aim of this study was to assess the pattern of snack consumption among high school students in region 8 of Tehran. Methods: This descriptive cross sectional study was performed on 300 high school students in district 8 of Tehran educational board during 2010-2011. Cluster sampling was done as a random method. Data were collected by a researcher-...

  7. Tracking atmospheric boundary layer in tehran using combined lidar remote sensing and ground base measurements

    Science.gov (United States)

    Panahifar, Hossein; Khalesifard, Hamid

    2018-04-01

    The vertical structure of the atmospheric boundary layer (ABL) has been studied by use of a depolarized LiDAR over Tehran, Iran. The boundary layer height (BLH) remains under 1km, and its retrieval from LiDAR have been compared with sonding measurements and meteorological model outputs. It is also shown that the wind speed and direction as well as topography lead to the persistence of air pollution in Tehran. The situation aggravate in fall and winter due to temperature inversion.

  8. Relationship of Family Particulars with Mental Health in Tehran Girls\\' Students at Third Grade in the Field of Experimental Sciences

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    Davoud Shoja'ei-Zadeh

    2000-07-01

    Full Text Available Objective: Personality development is a complicated phenomenon. Several external and internal factors such as hereditary background, congenital status, events afterbirth, individual differences, positive and negative promoting behaviors, and other cultural and social factors alone or in combination affect individual personality. Based on the theory of psychological analysis, experiences at childhood, especially interaction with parents have an undeniable effect on individual personality in adulthood. The subject of the present study is to investigate the relationship of family particulars with mental health in high school girls' students in Tehran at third grade in the field of experimental sciences. The present study is a case-study and its purpose is to study theories on dissatisfaction of students at disorganized families and its relationship with anxiety, depression, violence, and obsession. Materials & Methods: The study subjects were 80 girl students studying at third grade in field of experimental sciences at Tehran high schools. Half of these students were selected as case group and half of them as control group. The subjects were selected with screening method and the SCL-90 test was used to study hypothesis. Results: The results revealed that there was a significant difference between case and control group. The quality of family relationship had a strong correlation with mental growth of child.   Conclusion: Based on obtained results, the atmosphere around the control group was happier than the case group. The members of the case group usually did not talk about their problems with father.

  9. The relation between air pollution and respiratory deaths in Tehran, Iran- using generalized additive models.

    Science.gov (United States)

    Dehghan, Azizallah; Khanjani, Narges; Bahrampour, Abbas; Goudarzi, Gholamreza; Yunesian, Masoud

    2018-03-20

    Some epidemiological evidence has shown a relation between ambient air pollution and adverse health outcomes. The aim of this study was to investigate the effect of air pollution on mortality from respiratory diseases in Tehran, Iran. In this ecological study, air pollution data was inquired from the Tehran Province Environmental Protection Agency and the Tehran Air Quality Control Company. Meteorological data was collected from the Tehran Meteorology Organization and mortality data from the Tehran Cemetery Mortality Registration. Generalized Additive Models (GAM) was used for data analysis with different lags, up to 15 days. A 10-unit increase in all pollutants except CO (1-unit) was used to compute the Relative Risk of deaths. During 2005 until 2014, 37,967 respiratory deaths occurred in Tehran in which 21,913 (57.7%) were male. The strongest relationship between NO 2 and PM 10 and respiratory death was seen on the same day (lag 0), and was respectively (RR = 1.04, 95% CI: 1.02-1.07) and (RR = 1.03, 95% CI: 1.02-1.04). O 3 and PM 2.5 had the strongest relationship with respiratory deaths on lag 2 and 1 respectively, and the RR was equal to 1.03, 95% CI: 1.01-1.05 and 1.06, 95% CI: 1.02-1.10 respectively. NO 2 , O 3 , PM 10 and PM 2.5 also showed significant relations with respiratory deaths in the older age groups. The findings of this study showed that O 3 , NO 2 , PM 10 and PM 2.5 air pollutants were related to respiratory deaths in Tehran. Reducing ambient air pollution can save lives in Tehran.

  10. An investigation on the level of awareness, attitude, and interest among medicine, dentistry, and pharmacy students toward their majors on entering university: The case of Islamic Azad University, Tehran medical sciences branch

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    Farhad Adhami Moghadam

    2017-01-01

    Full Text Available Introduction: Having awareness, interest, and positive attitude toward one's fields of study leads to the development of a compatibility between demands and expectations on the one hand and future career on the other hand. This study was carried out to determine the level of awareness, attitude, and interest of medicine, dentistry, and pharmacy students of Islamic Azad University, Tehran Medical Sciences Branch toward their own field of study on entering university. Materials and Methods: This research is a basic descriptive study conducted on 273 students who had just entered university. This study was performed using census. Data collection instrument was a four-part questionnaire which included demographic information, and questions measuring students' awareness, attitude, and interest. Results: With regard to their field of study, there was no statistically significant difference in the average of students' awareness (P = 0.731. The attitude of medicine students was significantly more positive than pharmacy and dentistry students (P < 0.001, and the attitude of dentistry students was significantly more positive than that of pharmacy students (P = 0.460. Medical students' interest level was significantly higher than that of pharmacy and dentistry students (P < 0.05, and the interest level of dentistry students was significantly greater than the interest level of pharmacy students (P = 024/0. There was a statistically significant positive relationship between awareness and attitude and between awareness and interest in all of the study subjects (P < 0.001. Conclusion: The study results indicated that having a high level of awareness toward one's major led students studying in medicine, dentistry, and pharmacy to experience a more positive attitude and a higher level of interest. Thus, before entering the university, academic counseling will be beneficial for acquiring a better understanding of most majors, a goal which could be provided

  11. 451 Case studies Cardiac

    African Journals Online (AJOL)

    Marinda

    Case Studies. 29 ... A case of a 26-year-old ASA I physical status male undergoing septoplasty had an abrupt ... myocardial infarction, severe hypertensive crisis, cerebral .... or no formal management is required in an ASA I patient.8 One.

  12. The Effective Contributing Factors in Knowledge Sharing and Knowledge Transfer among Academic Staff at Tehran University of Medical Sciences: A Qualitative Study

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    Narges Ghodsian

    2017-10-01

    Full Text Available Background: Knowledge transfer is known as a core process in knowledge management. Its decent and influential function in organizations would result in regeneration and innovation of knowledge.Due to this importance, the most recent research in knowledge management has been inclined toward knowledge transfer concept. We aimed to investigate the most influencing contributing factors in knowledge transfer and knowledge sharing within the faculty members at Tehran University of Medical Sciences.Method: This investigation has been conducted with a qualitative approach using grounded theory. Data were collected using semi- structured interview with 17 faculty members of ten distinct departments of Tehran University of Medical Sciences. The data has been transcribed and analyzed.Results: By carefully analyzing the interviews from 272 preliminary open codes after sequential analogies and induction, 54 concepts have been extracted that were categorized into one of eleven classes constituting the effective items and factors in knowledge transfer among faculty members,respectively. These categories could be placed into , non-communication factors and communication factors. The non-communication factors were knowledge actors (professors, organization (university, the knowledge, and surroundings. The communication factors are the factors that are formed in the dual relationships between the relevant factors.Conclusion: A decent knowledge flow in working groups and collaborative societies of faculty members within a department or through different university departments would lead to a better research and education management. This could also bring about some advantages: the research in each department falls in a well-defined, pre-missioned channel, avoiding scattered research works, and enhancing the training and research. The awareness of university senior managers about influencing contributing factors of knowledge transfer and their functions provide a

  13. Tehran metropolis and the emergence of symptoms of new form of the Male-Female Relationships; The study of the fields, processes and consequences of cohabitation

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    M. Golchin

    2017-03-01

    Full Text Available Nowadays, we can see a new form of relationships between males and females, called non-marital cohabitation (concubinage that is known as”white marriage” in Journalistic literature and Speaking Some youth . It seems that such a new lifestyle emerges from most of the large metropolitan areas. In this article we have tried to obtain more understanding about the effective reasons and backgrounds in the couple’s decision, who attempted to form such a relationship (non-marital cohabitation, the process that is involved in, and finally the consequences that they have actually experienced or confronted. Using the free and depth-interview techniques as well as grounded theory, data were gathered and analyzed from 16 cohabited couples. After analyzing the research findings, categories that are consequences of this lifestyle are as follow: “reduction in family’s function and importance”, “migration”, “Tehran city without supervision” as a contextual conditions, “Negative attitudes to customary marriage”, “feminist beliefs” and  “lack of faith and adherence to religious values” as a Caused conditions, “Involved in romance”, “become familiar with cohabitation” as an interferer conditions,  “cohabitation as an equal relationship”, “cohabitation as a relationship with an open end”, “satisfactory experience of this lifestyle”, “internal obstacles relations”, “external limitation of the relationship” as an interactions, “endure the disadvantage of relation’s termination” and "marriage or promise to marry in order to overcome the external obstacles". Finally, the concept of " cohabitation fleeting relationship of modern conflict with traditional values in the context of the Tehran metropolis" was chosen as a core category".

  14. Designing a Multipurpose Bodybuilding Club in District 3 of Tehran

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    Sina Kamali Tabrizi

    2017-02-01

    Full Text Available While the sport plays an important role in the society and has a long history among the modern societies, in Iran few studies are conducted on designing and constructing sports clubs which consequently makes serious problems for the society because of the lack of principled and scientific infrastructures. Therefore, this study aims to design a multipurpose sports club in district 3 of Tehran. The method of this research is descriptive-analytical and in terms of the goal, it is practical. In addition, two clubs in district 3 of Tehran have been field visit and were analyzed by simulation. The results of the research considering climate, geographical position, site analysis, the type of sports activity, and the application of complex in urban and conceptual scale are in line with the designed results including facade, floor plans, sections, and internal and external three-dimensional designs.

  15. Contemplation on Plot and Personification in Tehran Makhuf

    OpenAIRE

    Mirjalil Akrami; Mohammad Pashaei

    2013-01-01

    Abstract Story is one of the important and influential literary genres that deserves to research on its structure and content .By study and analysis of a story, the reader could comprehend the textual messages and change his attitude toward life and different issues .After defining of the social novel, the author tries to analyze plot and personification in novel of “Tehran-e- Makhuf” and respond to the questions on the method employed for plot and personification and analyze it from plot...

  16. Integrating Climate Change Adaptation and Mitigation with Urban planning for a Livable city in Tehran

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    Mojtaba Rafieian

    2015-09-01

    Full Text Available Climate change impacts are seen within growing numbers of cities in low- and middle-income countries, so there is growing interest in the adaptation and mitigation plans and programs put forward by city authorities. This paper aims to provide a better understanding of the constraints which cities face them in this subject by analyzing the case of Tehran. City has a commitment to decentralization, transparency, accountability and participation. There are some new programs and plansin urban planning which has evolved to include a broad vision of urban challenges and responses, a commitment to environmental sustainability and a strategic plan that has involved multiple stakeholders. This paper describes the principles for integrating climate change adaptation and mitigation with urban planning which can be useful for urban authorities. Then it analysesthe many measures implemented in Tehran over the last years, which provide a solid foundation for more systematically addressing adaptation. It also describes the significant challenges faced by the city’s administration, especially around funding, data and the challenge of responding to pressing and competing interests.Tehran city is still struggling to complete greenhouse gas inventories andit has, however, implemented several specific mitigation measures and tries continuously to place this issue on the government’s agenda.However, Tehran’s particular way of responding to current development challenges has put in place the flexibility, creativity and commitment needed for adaptation, regardless of whether this is made explicit or not. The results of this study reveal thatTehran’s policies have had continuity and consistency, despite being frequently revised over years, because each administration has built upon the progress of its predecessor. This is quite unusual; it is more common for there to be a revision of all that has been accomplished and for the need to point out the negative

  17. Redesigning fruit and vegetable distribution network in Tehran using a city logistics model

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    Farshad Saeedi

    2019-01-01

    Full Text Available Tehran, as one of the most populated capital cities worldwide, is categorized in the group of highly polluted cities in terms of the geographical location as well as increased number of industries, vehicles, domestic fuel consumption, intra-city trips, increased manufacturing units, and in general excessive increase in the consumption of fossil energies. City logistics models can be effectively helpful for solving the complicated problems of this city. In the present study, a queuing theory-based bi-objective mathematical model is presented, which aims to optimize the environmental and economic costs in city logistics operations. It also tries to reduce the response time in the network. The first objective is associated with all beneficiaries and the second one is applicable for perishable and necessary goods. The proposed model makes decisions on urban distribution centers location problem. Subsequently, as a case study, the fruit and vegetable distribution network of Tehran city is investigated and redesigned via the proposed modelling. The results of the implementation of the model through traditional and augmented ε-constraint methods indicate the efficiency of the proposed model in redesigning the given network.

  18. The efficacy of treatment performed for temporomandibular joint patients at dental school of Tehran University of Medical Sciences

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    Sahebi Majid

    2015-01-01

    Full Text Available   Background and Aims: Temporomandibular joint disorders are common problems among patients referring to dental schools and clinics. However appropriate treatment modalities are performed for the TMD patients in dental school, the results and success rate of these treatments are not studied distinctly. The aims of this study was to determine the treatment performed for temporomandibular patients at the TMJ department of Tehran University dental school in 2010-11 .   Materials and Methods: In a descriptive cross-sectional trial, 85 TMD patients treated at the TMJ department of Tehran University dental school were examined at least 3 months after the treatments. The patients demographic data ,TMD signs and symptoms and the improvements occurred in TMD disorder were determined (complete, partial and no improvement. The patients satisfaction regarding the treatment results were investigated and data were analyzed regarding the presence of different TMD signs and symptoms before and after the treatment using Mann-Whitney U test .   Results: TMJ pain (35 cases, 42.2%, click (33 cases, 39.8% and muscle tenderness (26 cases, 31.3% were the most prevalent obtained signs and symptoms. The mean age of the patients were 32.3 years old while females were the predominant group (72 cases vs.11 one. 44 individuals (53.0% were treated by splint, 11 ones (13.3% with anterior repositioning splint and 17 individuals (92.5% were managed by physiotherapy plus splint. 65 patients (87.3% were satisfied with the results and 16 ones (19.3% were not. After the treatment, patients with TMJ pain (P0.05 .   Conclusion: The results showed that the treatments presented for the TMD patients at Tehran University dental school were successful and most patients received satisfactory treatment.

  19. High genetic diversity among Mycobacterium tuberculosis strains in Tehran, Iran

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    Taher Azimi

    2018-05-01

    Full Text Available Introduction: Tuberculosis (TB still remains an important public health problem in Iran. The genotyping of Mycobacterium tuberculosis isolates is expected to lead to a better understanding of M. tuberculosis transmission in Tehran, the most populated city of Iran. Materials and Methods: A total of 2300 clinical specimens were obtained from TB suspected patients who were referred to a TB center in Tehran from Jan 2014 to Dec 2016. Identification was performed using both conventional and molecular methods. The presence of resistance to rifampicin was examined by the GeneXpert MTB/RIF. The standard 15-locus mycobacterial interspersed repetitive units-variable number of tandem repeats (MIRU-VNTR typing method was applied to genotype of clinical isolates. Results: Of 2300 specimens, 80 isolates were identified as M. tuberculosis by using biochemical and molecular tests. Of 80 M. tuberculosis isolates, 76 (95% had unique genotypic profiles and 4 (5% shared a profile with one or more other strains. Based on single loci variation (SLV 4 clonal complexes were observed. NEW-1 was found to be the most predominant lineage (22.5% followed by West African (1.25%, Central Asian (CAS/Delhi (1.25%, Bovis (1.25%, H37Rv (1.25% and multiple matches (1.25%. Loci MIRU10, MIRU26, MTUB21 and QUB26 were found as highly discriminative. No mutation was detected in the hotspot region of rifampicin by using GeneXpert MTB/RIF. Conclusions: Our study findings show that there was considerable genotypic diversity among M. tuberculosis isolates in Tehran. The 15-locus MIRU-VNTR showed high HGDI and could be used as a first-line genotyping method for epidemiological studies. Keywords: Mycobacterium tuberculosis, Genotyping, MIRU-VNTR, Tehran, Iran

  20. [Case and studies].

    Science.gov (United States)

    Schubert, András

    2015-11-15

    Case studies and case reports form an important and ever growing part of scientific and scholarly literature. The paper deals with the share and citation rate of these publication types on different fields of research. In general, evidence seems to support the opinion that an excessive number of such publications may negatively influence the impact factor of the journal. In the literature of scientometrics, case studies (at least the presence of the term "case study" in the titles of the papers) have a moderate share, but their citation rate is practically equal to that of other publication types.

  1. Evaluation of 5 Air Criteria Pollutants; Tehran, Iran

    Directory of Open Access Journals (Sweden)

    Mazaheri Tehrani A. MSc,

    2015-09-01

    Full Text Available Aims Tehran’s uncontrolled expansion, which promoted housing, public utilities, industries and increase of vehicles caused the problem of air pollution. Necessary information about air quality in different places and different times is the first step of combating the air pollution. The purpose of this study was to investigate the annual, monthly and hourly average of 5 criteria air pollutants (PM10, O3, NO2, SO2, CO of Tehran City, Iran. Instrument & Methods The hourly concentrations of PM10, O3, NO2, SO2, CO were obtained from 21 air quality-measuring stations of Tehran City, Iran, during April 2012 to March 2013. Data were presented by descriptive statistics in the form of mean and standard deviation. Findings CO concentration was not changed during the period of study. Nitrogen dioxide increased in spring and winter. Sulfur dioxide was not changed in the first six months of the year but its concentration increased in winter. Trend of changes of floating particles showed increasing the concentration of this pollutant in May 2012 and January 2013. Ozone concentration increased in the warm seasons and decreased in the cold seasons. Conclusion PM10, O3, NO2, SO2 and CO has high concentrations and cold periods of the year are more polluted than the warm periods in Tehran City, Iran.

  2. Socioeconomic inequalities in oral health among adults in Tehran, Iran.

    Science.gov (United States)

    Ghorbani, Z; Ahmady, A Ebn; Ghasemi, E; Zwi, A B

    2015-03-01

    To identify the socioeconomic distribution of perceived oral health among adults in Tehran, Iran. A cross-sectional population study. A stratified random sample of 1,100 adults aged 18-84 years living in Tehran. Self-report data were obtained from the 2010 dental telephone interview survey. Oral health was evaluated using self-assessed non-replaced extracted teeth (NRET), and a three-item perceived dental health instrument. Socioeconomic status was measured by combining the variables of education and assets using principal component analysis. Inequalities in oral health were examined using prevalence ratios and concentration index. The poorest quintile was 1.60 (95% confidence interval, CI, 1.30; 1.98) times as likely to have any NRET compared with the richest quintile, indicating a disparity. Inequality was most pronounced in the 35-59 age group with prevalence ratio 2.01 (95% CI 1.26; 3.05). The concentration index of NRET in adults in Tehran was -0.22 (95% CI -0.28; -0.16). No significant differences were found in perceived dental health between socioeconomic classes. Adults from lower socioeconomic classes experienced more disabilities due to missing their teeth, specifically in the middle-age group. Inequalities in perceived dental health were not apparent in the studied population.

  3. Prevalence of Psychiatric Disorders amongst Adolescents in Tehran

    Directory of Open Access Journals (Sweden)

    Zahra Shahrivar

    2008-08-01

    Full Text Available "n Objective: "n The aim of the present study was to determine the prevalence of different psychiatric disorders among 12 to 17 years old adolescents in urban areas of Tehran. "nMethod: In this study, 1105 adolescents (12 -17 years old were selected from 250 clusters of the entire 22 municipality areas of Tehran using a multistage sampling method. After responding to the Farsi version of the Strengths and Difficulties Questionnaire self-report version, the Farsi version of the Kiddie Schedule for Affective Disorders and Schizophrenia - Present and Lifetime version (K-SADS-PL was administered to 273 adolescents and their families. The prevalence of adolescent psychiatric disorders was determined using the results of K-SADS-PL. "nResults: There were not any statistically significant differences between the sexes in the frequency of psychiatric disorders except for ADHD which was observed more frequently in boys. The most prevalent psychiatric disorders were attention-deficit/hyperactivity disorder (ADHD, oppositional defiant disorder, depressive disorders and separation anxiety disorder. "nConclusion: The frequency of psychiatric disorders among the adolescents in Tehran's urban areas was comparable to the reports from other countries. However, using methods to deal with missing data makes these prevalence rates somehow higher.

  4. Antimicrobial Susceptibility Pattern of Enterococci Isolated From Patients in Tehran

    Directory of Open Access Journals (Sweden)

    Horieh Saderi

    2015-11-01

    Full Text Available Background: Enterococci are one of the most common nosocomial pathogens and the emergence of multidrug-resistant strains has been increasing. Objectives: We studied the antimicrobial susceptibility of enterococci isolated from different clinical specimens of patients in Tehran. Materials and Methods: From the beginning of April 2013 to the end of June 2013, a total of 146 enterococci were isolated from the Pars General Hospital in Tehran. The antimicrobial susceptibility pattern of the isolates against ampicillin, clindamaycin, ciprofloxacin, erythromycin, levofloxacin, linezolid, nitrofurantoin, tetracycline, and vancomycin was determined using the disk diffusion method according to the guidelines of clinical laboratory standards institute (CLSI. Results: The rates of resistance were high to clindamycin, tetracycline, and erythromycin (97.2%, 89%, and 74.5%, respectively; moderate to ciprofloxacilin and levofloxacilin (40.6% and 36.4%, respectively; and low to ampicillin and nitrofurantoin (13.8% and 3.5%, respectively. All isolates were linezolid sensitive. Vancomycin-resistant enterococci (VRE accounted for 9.6% of the isolates. Conclusions: VRE and a high rate of resistance to some of antimicrobial agents were found among the enterococci isolated from patients in Tehran. These findings highlight the importance of regular supervision of antimicrobial susceptibilities.

  5. Determining Knowledge of Students in Tehran University and Tehran University of Medical Sciences About ECSTASY Tablets

    Directory of Open Access Journals (Sweden)

    G. Khoshe Mehri

    2012-10-01

    Full Text Available Objective: Nowadays, addiction is considered one of the greatest social and economical and health problems. Undoubtedly, The Ecstasy have between some juveniles and youths. This study was performed to understand the knowledge about the Ecstasy tablets. Methods: In this descriptive-analytical study 200 students from Tehran universities and universities of medical sciences. Data collecting tool was a structured questionnaire containing 14 questions. Data was analyzed using chi square. Results: It was revealed that only 44 students had high, 55 student had moderate and 101 students had weak knowledge about Ecstasy. There was no significant relationship between knowledge score and variable such as gender, place of residence. Also, there was a significant correlations between age, marriage position , occupation and college about the Ecstasy . Conclusion: That in order to increase the knowledge leveling the students about Ecstasy, mass medias like television, newspapers, radio and university sittings.

  6. Septic Systems Case Studies

    Science.gov (United States)

    A collection of septic systems case studies to help community planners, elected officials, health department staff, state officials, and interested citizens explore alternatives for managing their decentralized wastewater treatment systems.

  7. HYDROGEOLOGIC CASE STUDIES

    Science.gov (United States)

    Hydrogeology is the foundation of subsurface site characterization for evaluations of monitored natural attenuation (MNA). Three case studies are presented. Examples of the potentially detrimental effects of drilling additives on ground-water samples from monitoring wells are d...

  8. A Psychobiographical Case Study

    African Journals Online (AJOL)

    man, and cancer fighter. This psychobiographical case study entailed a psychosocial-historical ... does not draw more attention as a research method, as this approach has .... of the applied Levinsonian theory to the life of Jobs against the ...

  9. Qualitative Case Study Guidelines

    Science.gov (United States)

    2013-11-01

    Introduction to Sociological Methods. 2nd ed. New York, McGraw-Hill 14. Denzin , N. K. and Lincoln , Y. S. (2011) The SAGE Handbook of Qualitative...The Art of Science. In: Denzin , N. K. and Lincoln , Y. S. (eds.) Handbook of Qualitative Research. Thousand Oaks, Sage 19. GAO (1990) Case Study...Rinehart & Winston 39. Stake, R. E. (1994) Case Studies. In: Denzin , N. K. and Lincoln , Y. S. (eds.) Handbook of Qualitative Research. Thousand Oaks, Sage

  10. Study of Effectiveness of Human Factors Engineering Interference in Cumulative Trauma Disorders Rate Decreasing in the Tehran South Health Center 2005-2006

    Directory of Open Access Journals (Sweden)

    M. Noorisepehr

    2012-04-01

    Full Text Available Introduction: Up to now accomplished many investigations about cumulative trauma disorders (CTD accession. For the most part sitting pattern and unsuitable task posture has been specified reason of these complications. In the publicized stats from a foreign source ambit of 44 percent of people who worked with computer has been afflict to the CTD's. The aim of this paper is to find and measurement of CTD and ergonomic intervention and investigation rate of this intervention's effect in the Tehran south health center. This center use paperless system. Methods: In this research Nordic questionnaire distribute between 68 persons of the center to determine CTD's. By technical expert inspection specified reason of complications. Observantly to state methods reason which create more severity and frequency CTD's has been recognized and interference with human factors engineering. For the more efficiency of interference Anthropometry has been used for all of Work stations and for any person designed a significant posture. Results: results that obtained before interference indicate that were CTD's complications at more of employees which 90 percent of them suffered of up spine pain. Also 27.4 percent of them had shoulder pain and 20.4 percent had neck pain. After the interference these measures decreased. And complaint of employee decreased 40.8 percent to up spine pain. Also for the shoulder pain it reached to 22 and neck pain 17.6 percent. With state test identified that there are significant difference between CTD after and before of intervention (p<0.005. Conclusion: Being unsuitable task posture is main cause of CTD's in the Work stations. We can prevent to increasing these complications in the work place by simple approach like adjustment in the desk and chair height, correct performance working training and doing simple exercise.

  11. Environmental risk factors contributing to traffic accidents in children: a case-control study.

    Science.gov (United States)

    Jamshidi, Ensiyeh; Moradi, Ali; Majdzadeh, Reza

    2017-09-01

    The aim of this study is to identify environmental risk factors related to road accidents in children of Tehran. This case-control study was performed in 2013. The cases were injured pedestrians aged 5-15 who were admitted to major hospitals supervised by Tehran University of Medical Sciences. The sample size for the cases was 273 and for the control group was 546. For the completeness of the clusters, 7 extra persons in case (total = 280) and 14 persons (total = 560) in control group were included. The interference of confounding variables assessed through forward conditional logistic regression. Result shows occurrence of traffic accidents was significantly associate with the width of the alleys or (traffic congestion (OR = 4.1, 95% CI: 2.6-6.4), traffic speed (OR = 2.1, 95% CI: 1.3-3.2) and existence of pedestrian bridges(OR = 4.2, 95% CI: 2.6-6.8). In the light of the important role of environmental factors in the occurrence of child traffic accidents, alleviating structural risk factors in addition to education and enforcement need more systematic efforts and planning by policymakers and urban planners to attain pedestrian safety goals.

  12. Firework-related injuries in Tehran's Persian Wednesday Eve Festival (Chaharshanbe Soori).

    Science.gov (United States)

    Tavakoli, Hassan; Khashayar, Patricia; Amoli, Hadi Ahmadi; Esfandiari, Khalil; Ashegh, Hossein; Rezaii, Jalal; Salimi, Javad

    2011-03-01

    Fireworks are the leading cause of injuries such as burns and amputations during the Persian Wednesday Eve Festival (Chaharshanbeh Soori). This study was designed to explore the age of the high-risk population, the type of fireworks most frequently causing injury, the pattern of injury, and the frequency of permanent disabilities. This cohort study was performed by Tehran Emergency Medical Services at different medical centers all around Tehran, Iran, in individuals referred due to firework-related injuries during 1 month surrounding the festival in the year 2007. The following information was extracted from the patients' medical records: demographic data, the type of fireworks causing injury, the pattern and severity of the injury, the pre-hospital and hospital care provided for the patient, and the patient's condition at the time of discharge. In addition, information on the severity of the remaining disability was recorded 8 months after the injury. There were 197 patients enrolled in the study with a mean age of 20.94 ± 11.31 years; the majority of them were male. Fuse-detonated noisemakers and homemade grenades were the most frequent causes of injury. Hand injury was reported in 39.8% of the cases. Amputation and long-term disability were found in 6 and 12 cases, respectively. None of the patients died during the study period. The fireworks used during a Chaharshanbe Soori ceremony were responsible for a considerable number of injuries to different parts of the body, and some of them led to permanent disabilities. Copyright © 2011 Elsevier Inc. All rights reserved.

  13. Intraocular Pressure And Its Determinants In Tehran Population

    Directory of Open Access Journals (Sweden)

    Kashi AH

    2005-06-01

    Full Text Available Background: The aim of this study was to provide data, on the distribution or intraocular pressure (IOP in Tehran population. Materials and Methods: Through a population-based, cross-sectional study, a total of 4565 Tehran citizens were studied in the Tehran Eye Study. The findings of the participants (n=3834 10 years and older free of glaucoma diagnosis or suspicion who had undergone applanation tonometry examination are presented. All participants received a standardized protocol included applanation tonometry, and some other ocular measurements, fundus examination, demographic data and an interview. IOP measurement was used to evaluate its distribution by age, sex, and some eye parameters. ‎ Results: Mean ± SO IOP was 14.5±2.6 in the total population, 14.4±2.7 in men, and 14.5±2.5 in women. Normal range (mean±2SD of IOP was determined to be 9.3 - 19.7 mmHg. IOP increased significantly with age and cup-disc ratio except for a fall in old ages. This relationship was also observed when we analyzed individuals without diabetes or hypertension history. IOP increased with darker eye pigmentation except for blue/gray eyes. There was a non-linear ‎increase of IOP from emmetropic to high myopic eyes. ‎ Conclusion: Mean and/or normal range of IOP and their associations have been reported with wide differences in various studies. It is wise that studies evaluate IOP distribution or associations in healthy people and glaucoma people separately and also report the prevalence of IOP risk factors in their population to allow for a logical comparison of studies.

  14. The Prevalence of Glaucoma in Tehran, Iran

    Directory of Open Access Journals (Sweden)

    Heydar Amini

    2008-11-01

    Full Text Available

    PURPOSE: To determine the prevalence of glaucoma in adults 40 years of age or older in Tehran, Iran. METHODS: This stratified random-sampling cross-sectional population survey was performed on residents of Tehran, the capital of Iran, aged 40 years and older in the year 2001. Refraction, best-corrected visual acuity, slitlamp biomicroscopy, Goldmann applanation tonometry, funduscopy, and gonioscopy were performed in all subjects. Automated perimetry was performed in selected cases. RESULTS: Out of 4418 sampled subjects, 2184 individuals (49.4% participated in the survey. Eventually data from 2160 individuals including 814 (38% male and 1346 (62% female subjects with mean age of 55.1±10.2 (range 40-92 years were analyzed. The overall prevalence of glaucoma was 1.44% (95% confidence interval, 0.94-1.94 including primary open angle glaucoma 0.46%, chronic angle closure glaucoma 0.33%, normal tension glaucoma 0.28%, pseudoexfoliation glaucoma 0.23%, and other types of glaucoma 0.14%. More than 80% of affected subjects were unaware of their condition. CONCLUSION: The prevalence of glaucoma in adults 40 years of age or older in Tehran is 1.44%, which is in the lower range

  15. Prevalence of hypersensitivity to dental local anesthetic drugs in patients referred to Tehran Allergy clinic (2005-2007

    Directory of Open Access Journals (Sweden)

    Akhlaghi F.

    2009-03-01

    Full Text Available "nBackground and Aim: According to controversies in the prevalence of hypersensitivity to dental local anesthetic drugs and patients who claim hypersensitivity to these drugs, the aim of this study was to determine the prevalence of hypersensitivity to dental amide local anesthetic drugs in patients referred to Tehran Allergy Clinic in 2005-2007. "nMaterials and Methods: In this Study (Review of existing data, records of 130 patients who were referred to "Tehran allergy Clinic" (2005-2007 were studied. "nResults: The average age of patients was 29.5±18.8 years. 34% of cases showed positive skin reactions to at least one of the tested Lidocain concentrations and 10% of cases showed positive skin reactions to at least one of the tested Prilocain concentrations. There was a statistically significant difference in hypersensitivity to Lidocain 0.01 and 0.001 (p=0.017 and also between Lidocain 0.001 and 0.0001 (p<0.01. There was no statistically significant difference between other tested drug concentrations (p>0.05. "nConclusion: Many patients with history of hypersensitivity, show positive reaction to local dental anesthetic drugs. Prilocain hypersensitivity reactions are less than Lidocain. So application of Prilocain accompanies with less risk but its application should not be considered completely safe.

  16. Comparison of the Amount of Time Spent on Computer Games and Aggressive Behavior in Male Middle School Students of Tehran

    OpenAIRE

    Mehrangiz Shoaa Kazemi; Zahra Shahabinezhad

    2016-01-01

    Background and Objectives: Modern technologies have a prominent role in adolescent's daily life. These technologies include specific cultural and moral patterns, which could be highly effective on adolescents. This research aimed at comparing the amount of time spent on computer games and aggressive behavior in male middle school students of Tehran. Materials and Methods: This study had a descriptive design. The study population included all male students of middle school of Tehran, and th...

  17. Objectivist case study research

    DEFF Research Database (Denmark)

    Ridder, Hanne Mette Ochsner; Fachner, Jörg

    2016-01-01

    be achieved through the use of objectivist case study research. The strength of the case study design is that it allows for uncovering or suggesting causal relationships in real-life settings through an intensive and rich collection of data. According to Hilliard (1993), the opposite applies for extensive......In order to comprehend the impact of music therapy or music therapy processes, a researcher might look for an approach where the topic under investigation can be understood within a broader context. This calls for a rich inclusion of data and consequently a limited number of participants and may...... designs, in which a small amount of data is gathered on a large number of subjects. With the richness of data, the intensive design is ―the primary pragmatic reason for engaging in single-case or small N research‖ (p. 374) and for working from an idiographic rather than a nomothetic perspective....

  18. Survey of Spread and Reasons of Turning into Alternative Therapies to Current Medicine: (Case Study of Tehran

    Directory of Open Access Journals (Sweden)

    Reihaneh Ramezani

    2017-09-01

    Conclusions: Although the reasons of citizens for using alternative therapies was more pragmatic, but statistical analysis showed that near 40% of the variance of using Herbal treatment among citizens interested by awareness about benefits of this therapy in advices of religious leaders.

  19. Case Studies - Cervical Cancer

    Centers for Disease Control (CDC) Podcasts

    Dr. Alan Waxman, a professor of obstetrics and gynecology at the University of New Mexico and chair of the American College of Obstetricians and Gynecologists (ACOG) committee for the underserved, talks about several case studies for cervical cancer screening and management.

  20. Nuclear forensics case studies

    International Nuclear Information System (INIS)

    Fedchenko, Vitaly

    2016-01-01

    The objective of this presentation is to share three case studies from the Institute of Transuranium Elements (ITU) which describe the application of nuclear forensics to events where nuclear and other radioactive material was found to be out of regulatory control

  1. SCA12 case study

    Indian Academy of Sciences (India)

    Home; Journals; Journal of Genetics; Volume 88; Issue 1. Utilizing linkage disequilibrium information from Indian Genome Variation Database for mapping mutations: SCA12 case study. Samira Bahl Ikhlak Ahmed The Indian Genome Variation Consortium Mitali Mukerji. Research Article Volume 88 Issue 1 April 2009 pp 55- ...

  2. national Case study

    African Journals Online (AJOL)

    This national case study reports on the development of a national network, ... system under the new policy), tends to be limited by content on problems and ... 20 credit programme; and within two Post Graduate Certificate of Education contexts, ...... descriptive with an issues focus (empirical) towards awareness production to.

  3. Kernel machine SNP set analysis provides new insight into the association between obesity and polymorphisms located on the chromosomal 16q.12.2 region: Tehran Lipid and Glucose Study.

    Science.gov (United States)

    Javanrouh, Niloufar; Daneshpour, Maryam S; Soltanian, Ali Reza; Tapak, Leili

    2018-06-05

    Obesity is a serious health problem that leads to low quality of life and early mortality. To the purpose of prevention and gene therapy for such a worldwide disease, genome wide association study is a powerful tool for finding SNPs associated with increased risk of obesity. To conduct an association analysis, kernel machine regression is a generalized regression method, has an advantage of considering the epistasis effects as well as the correlation between individuals due to unknown factors. In this study, information of the people who participated in Tehran cardio-metabolic genetic study was used. They were genotyped for the chromosomal region, evaluation 986 variations located at 16q12.2; build 38hg. Kernel machine regression and single SNP analysis were used to assess the association between obesity and SNPs genotyped data. We found that associated SNP sets with obesity, were almost in the FTO (P = 0.01), AIKTIP (P = 0.02) and MMP2 (P = 0.02) genes. Moreover, two SNPs, i.e., rs10521296 and rs11647470, showed significant association with obesity using kernel regression (P = 0.02). In conclusion, significant sets were randomly distributed throughout the region with more density around the FTO, AIKTIP and MMP2 genes. Furthermore, two intergenic SNPs showed significant association after using kernel machine regression. Therefore, more studies have to be conducted to assess their functionality or precise mechanism. Copyright © 2018 Elsevier B.V. All rights reserved.

  4. MRI case studies

    International Nuclear Information System (INIS)

    Huggett, S.; Barber, J.

    1989-01-01

    Three case studies are presented to show the value of magnetic resonance imaging used in conjunction with other imaging techniques. In each case MRI proved a vital diagnostic tool and superior to CT in showing firstly the haematoma in a patient with aphasia and right-sided weakness, secondly the size of the disc herniation in a patient with severe leg and ankle pains and thirdly the existence of a metastatic lesion in a patient with a previous history of breast cancer. 11 figs

  5. Characterization of oily sludge from a Tehran oil refinery.

    Science.gov (United States)

    Heidarzadeh, Nima; Gitipour, Saeid; Abdoli, Mohammad Ali

    2010-10-01

    In this study, oily sludge samples generated from a Tehran oil refinery (Pond I) were evaluated for their contamination levels and to propose an adequate remediation technique for the wastes. A simple, random, sampling method was used to collect the samples. The samples were analyzed to measure Total petroleum hydrocarbon (TPH), polyaromatic hydrocarbon (PAH) and heavy metal concentrations in the sludge. Statistical analysis showed that seven samples were adequate to assess the sludge with respect to TPH analyses. The mean concentration of TPHs in the samples was 265,600 mg kg⁻¹. A composite sample prepared from a mix of the seven samples was used to determine the sludge's additional characteristics. Composite sample analysis showed that there were no detectable amounts of PAHs in the sludge. In addition, mean concentrations of the selected heavy metals Ni, Pb, Cd and Zn were 2700, 850, 100, 6100 mg kg⁻¹, respectively. To assess the sludge contamination level, the results from the analysis above were compared with soil clean-up levels. Due to a lack of national standards for soil clean-up levels in Iran, sludge pollutant concentrations were compared with standards set in developed countries. According to these standards, the sludge was highly polluted with petroleum hydrocarbons. The results indicated that incineration, biological treatment and solidification/stabilization treatments would be the most appropriate methods for treatment of the sludges. In the case of solidification/stabilization, due to the high organic content of the sludge, it is recommended to use organophilic clays prior to treatment of the wastes.

  6. The Relation of Personality Traits Wth Depression Severity in Active and Non-Active Elderly Women in Tehran City

    OpenAIRE

    Mohammad Ali Aslankhani; Ahmad Farokhi; Parvane Shamsipour Dehkordi; Amir Shams; Mohammad Reza Ghasemian Moghaddam

    2010-01-01

    Objectives: The purpose of this study was to investigate the relation of personality traits with depression in active and non – active elderly women in Tehran city. Methods & Materials: The present research is descriptive–correlation. For this purpose, 188 elderly women (94 active and 94 non - active elders) in the age range of 63-82 in Tehran city availably selected as statistical sample. Measurement instrument were demographic questionnaire, Beck depression questionnaire and...

  7. Contemplation on Plot and Personification in Tehran Makhuf

    OpenAIRE

    Mohammad Pashaei; Mirjalil Akrami; Mirjalil Akrami

    2013-01-01

     Abstract Story is one of the important and influential literary genres that deserves to research on its structure and content .By study and analysis of a story, the reader could comprehend the textual messages and change his attitude toward life and different issues .After defining of the social novel, the author tries to analyze plot and personification in novel of âTehran-e- Makhufâ and respond to the questions on the method employed for plot and personification and analyze it from pl...

  8. Indications for Corneal Transplantation at a Tertiary Referral Center in Tehran

    Directory of Open Access Journals (Sweden)

    Mohammad Zare

    2010-01-01

    Full Text Available Purpose: To report the indications and techniques of corneal transplantation at a tertiary referral center in Tehran over a 3-year period. Methods: Records of patients who had undergone any kind of corneal transplantation at Labbafinejad Medical Center, Tehran, Iran from March 2004 to March 2007 were reviewed to determine the indications and types of corneal transplantation. Results: During this period, 776 eyes of 756 patients (including 504 male subjects with mean age of 41.3±21.3 years underwent corneal transplantation. The most common indication was keratoconus (n=317, 40.8% followed by bullous keratopathy (n=90, 11.6%, non-herpetic corneal scars (n=62, 8.0%, infectious corneal ulcers (n=61, 7.9%, previously failed grafts (n=61, 7.9%, endothelial and stromal corneal dystrophies (n=28, 3.6%, and trachoma keratopathy (n=26, 3.3%. Other indications including Terrien′s marginal degeneration, post-LASIK keratectasia, trauma, chemical burns, and peripheral ulcerative keratitis constituted the rest of cases. Techniques of corneal transplantation included penetrating keratoplasty (n=607, 78.2%, deep anterior lamellar keratoplasty (n=108, 13.9%, conventional lamellar keratoplasty (n=44, 5.7%, automated lamellar therapeutic keratoplasty (n=8, 1.0%, and Descemet stripping endothelial keratoplasty (n=6, 0.8% in descending order. The remaining cases were endothelial keratoplasty and sclerokeratoplasty. Conclusion: In this study, keratoconus was the most common indication for penetrating keratoplasty which was the most prevalent technique of corneal transplantation. However, deep anterior lamellar keratoplasty is emerging as a growing alternative for corneal pathologies not involving the endothelium.

  9. Prevalence of Parasomnia in School aged Children in Tehran

    Directory of Open Access Journals (Sweden)

    Morteza Naserbakht

    2011-06-01

    Full Text Available "nObjectives: Parasomnias can create sleep disruption; in this article we assessed parasomnias in school-aged children in Tehran. "nMethods: In spring 2005, a total of 6000 sleep questionnaires were distributed to school-aged children in 5 districts of Tehran (Iran. A modified Pediatrics sleep questionnaire with 34 questions was used. "nResults: Parasomnias varied from 0.5% to 5.7% among the subjects as follows: 2.7% sleep talking, 0.5% sleepwalking, 5.7% bruxism, 2.3% enuresis, and nightmare 4%. A group of children showed parasomnias occasionally- this was 13.1% for sleep talking, 1.4% for sleepwalking, 10.6% for bruxism, 3.1% for enuresis and 18.4% for nightmares. "nConclusion: A high proportion of children starting school suffer from sleep problems. In many cases this is a temporary, developmentally related phenomenon, but in 6% of the children the disorder is more serious and may be connected with various stress factors and further behavioral disturbances.

  10. Malignant oral tumors in iran: ten-year analysis on patient and tumor characteristics of 1042 patients in Tehran.

    Science.gov (United States)

    Sargeran, Katayoun; Murtomaa, Heikki; Safavi, Seyed Mohammad Reza; Vehkalahti, Miira; Teronen, Olli

    2006-11-01

    This study analyzed characteristics of oral cancer patients from Tehran, Iran, and their tumors. Data came from the patient records of 30 major hospitals in Tehran. Patients (n = 1042), diagnosed with invasive oral cancer in 1993-2003, were classified by primary tumor site according to ICD-10 (C00-C10). Data were analyzed separately for lip, oral cavity and salivary gland tumors. Statistical evaluation included chi and t-test. Of all cases, 59% were male. Age for all cases ranged from 6-103 years, mean age was 58.8 years (SD 16; median 62); 89% were older than 40. Tumor site breakdown was 65% oral cavity, 21% major salivary glands and 14% lip. A clear gender difference (P dominated in oral cavity cancers and men in lip cancers. The most common cancer site was the tongue (32%), accounting for 50% of the oral cavity cancers. Histologically, 88% of all oral cavity and lip cancers were squamous cell carcinomas, 10% of those were in age /= age 65. At the time of diagnosis, 59% of oral cavity cancers and 29% of lip cancers were at stage III or IV (P < 0.001). The results emphasize an urgent need for a national program focusing on early detection of oral cancers, including educational information addressed to oral health professionals.

  11. Prevalence of Sarcopenia and Its Association with Socioeconomic Status among the Elderly in Tehran.

    Science.gov (United States)

    Dorosty, Ahmadreza; Arero, Godana; Chamar, Maryam; Tavakoli, Sogand

    2016-07-01

    Sarcopenia is a syndrome characterized by progressive and generalized loss of skeletal muscle mass and strength. It imposes significant costs on health care systems. Socioeconomic status is also the root cause of healthy challenges among the elderly. Therefore, investigating the association between sarcopenia and socioeconomic status is very important to improve healthy ageing of the elderly. The aim of this study was to investigate the prevalence of sarcopenia and its association with socioeconomic status among the elderly in Tehran. Cross-sectional and case-control studies were conducted from August 2014-July 2015 among 310 men and 334 women elderly (60 and over years old) in Tehran health centers. Randomization, restriction and matching were setting during study design to minimize selection bias. Then study participants were recruited via phone call. Participants' phone numbers were already recorded in a telephone book electronically. When there were two elderly people in the same house, only one person was invited randomly. Association between sarcopenia and socio-economic status was analyzed by SPSS version 22. The overall prevalence of sarcopenia in the elderly was 16.5%. Prevalenceamong the low-income elderly was relatively higher than (20.5%) that among those with middle income status (18.2%) while in the higher income, the proportion of sarcopenia was very low (12.8%). The findings indicated that 339(52.6%) were in low-income status, 304(47.1%) were in middle-income status and 1(.2%) in high-income class. There was a significant association between socioeconomic status and sarcopenia (P-value sarcopenia was 0.97 times more likely higher in low socioeconomic class than those who were in middle and high income classes.

  12. Hepatitis A Virus and Hepatitis E Virus Seroprevalence Among Blood Donors in Tehran, Iran.

    Science.gov (United States)

    Hesamizadeh, Khashayar; Sharafi, Heidar; Keyvani, Hossein; Alavian, Seyed Moayed; Najafi-Tireh Shabankareh, Azar; Sharifi Olyaie, Roghiyeh; Keshvari, Maryam

    2016-01-01

    Hepatitis A virus (HAV) and Hepatitis E virus (HEV) are both transmitted by the fecal-oral route and are known as the leading causes of acute viral hepatitis in the world, especially in developing countries. There is a lack of updated data on HAV and HEV seroprevalence in Iran. The aim of this study was to determine the seroprevalence of HAV and HEV among a group of blood donors in Tehran, Iran. A cross-sectional study was performed from July 2014 to December 2014, on a total of 559 blood donors referred to the Tehran blood transfusion center. The serum samples were tested for antibodies to HAV and HEV, using the enzyme-linked immunosorbent assay. In the present study, 536 (95.9%) cases were male and 23 (4.1%) female with mean age of 38 years. Out of 559 blood donors, 107 (19.1%) were first-time donors, 163 (29.2%) lapsed donors and 289 (51.7%) regular donors. Anti-HAV was found in 395 (70.7%) and anti-HEV in 45 (8.1%) of the blood donors. The HAV and HEV seroprevalence increased by age. There was no significant difference between genders in terms of anti-HAV and anti-HEV status. The HAV and HEV seroprevalence was significantly related to the level of education, where the donors with higher level of education had lower rate of HAV and HEV seroprevalence. The HAV and HEV seroprevalence was significantly higher in regular and lapsed donors than in first-time donors. The present study showed that both HAV and HEV infections are still endemic in Iran.

  13. Case study - Czechoslovakia

    International Nuclear Information System (INIS)

    Kovar, P.

    1986-01-01

    In the lecture Case Study - Czechoslovakia with the sub-title 'Unified System of Personnel Preparation for Nuclear Programme in Czechoslovakia' the actual status and the current experience of NPP personnel training and preparation in Czechoslovakia are introduced. The above mentioned training system is presented and demonstrated by the story of a proxy person who is going to become shift engineer in a nuclear power plant in Czechoslovakia. (orig./HP)

  14. Case Studies - Cervical Cancer

    Centers for Disease Control (CDC) Podcasts

    2010-10-15

    Dr. Alan Waxman, a professor of obstetrics and gynecology at the University of New Mexico and chair of the American College of Obstetricians and Gynecologists (ACOG) committee for the underserved, talks about several case studies for cervical cancer screening and management.  Created: 10/15/2010 by National Center for Chronic Disease Prevention and Health Promotion (NCCDPHP), Division of Cancer Prevention and Control (DCPC).   Date Released: 6/9/2010.

  15. Neurologic Complications of Methanol Poisoning: A Clinicoepidemiological Report from Poisoning Treatment Centers in Tehran, Iran

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    Hakimeh Eghbali

    2015-03-01

    Full Text Available Background: In this study we sought to investigate clinical findings (with a focus on neurologic effects and also to analyze outcomes of a series of patients with methanol poisoning admitted to two poisoning treatment centers in Tehran, Iran. Methods: In this prospective cross-sectional study, methanol-poisoned patients admitted to departments of forensic medicine and toxicology of Loghman Hakim and Baharloo hospitals in Tehran during October 2010 to October 2011 were included; and their data were recorded in predesigned checklists. Results: Twenty-eight methanol poisoned patients (82.1% men with mean age of 29.3±4.6 years were studied. Most patients (67.9% had metabolic acidosis at presentation. On admission, all patients had different degrees of decrease in consciousness, who the majority of them (57.1% were admitted with mildly reduced consciousness (grade I of Grady coma scale. Headache and vertigo were observed in 7.1% and 17.9% of patients, respectively. Most patients (53.6% had no ocular effects, while 46.6% of patients developed impaired vision. All patients received sodium bicarbonate. Ethanol as antidote and folic acid were given to 18 patients (64.2% and 16 patients (57.1%, respectively. Six patients (21.4% underwent hemodialysis. Over half of the patients (53.6% fully recovered and were discharged without complications. Four patients (14.3% developed total blindness. Four patients (14.3% left the hospital against medical advice by self-discharge (they had no significant complication at the time of discharge. Five patients (17.9% died; who compared to survived cases had significantly lower blood pH (P=0.028, higher coma grade (P

  16. A Survey of Municipal Solid Waste Generation in 22 Regions of Tehran With Solid Waste Reduction Approach

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    MA Abduli

    2015-07-01

    Methods: The study was a descriptive cross-sectional one conducted from 2010 to 2014. Relevant officials of the waste recovery in 22 regions of Tehran were approached in order to collect data about municipal solid waste generation through interviewing, filling out questionnaires, conducting field visits from Aradkooh Disposal and Processing Complex and collecting information on disposal and destiny of wastes. Then the data were compiled and analyzed. Results: Total solid waste generation in Tehran from 2010 to 2014 amounted to respectively 3389662, 3399344, 3449338 and 3245157 Metric Tons, categorized into three groups of municipal, companies and townships and hospital wastes. Most of the generated waste produced in Tehran was that of households and commercial (known as municipal waste from 22 Regions of Tehran. Based on the surveys conducted, per capita solid waste generation of 11 regions of Tehran ranged from 550 to 1000 grams and in other 11 ones from 1000 to 1521 grams per capita per day. The lowest and highest waste generation rate belonged respectively to region 13 with 556 grams and region 12 with 1521 grams per capita per day in 2011. Conclusion: Comparing per capita generation of municipal solid waste in different municipal regions in Tehran with maximum acceptable capacity of waste generation indicates the deviation of waste generation of all Tehran regions from the standard acceptable amount. Therefore, not only is it necessary to plan and take strategic measures to reduce Tehran waste generation but also these programs and measures should be specific to each region considering its specifications and solid waste quality and quantity.

  17. Case Study - Alpha

    Directory of Open Access Journals (Sweden)

    Stephen Leybourne

    2016-11-01

    Full Text Available This case study was developed from an actual scenario by Dr. Steve Leybourne of Boston University.  The case documents the historical evolution of an organization, and has been used successfully in courses dealing with organizational and cultural change, and the utilization of ‘soft skills’ in project-based management. This is a short case, ideal for classroom use and discussion.  The issues are easily accessible to students, and there is a single wide ranging question that allows for the inclusion of many issues surrounding strategic decision-making, and behavioural and cultural change. Alpha was one of the earlier companies in the USA to invest in large, edge-of-town superstores, with plentiful free vehicle parking, selling food and related household products. Alpha was created in the 1950s as a subsidiary of a major publicly quoted retail group.  It started business by opening a string of very large discount stores in converted industrial and warehouse premises in the south of the United States. In the early days shoppers were offered a limited range of very competitively priced products. When Alpha went public in 1981 it was the fourth largest food retailer in the US, selling an ever-widening range of food and non-food products.  Its success continued to be based on high volume, low margins and good value for money, under the slogan of ‘Alpha Price.’

  18. NOx trade. Case studies

    International Nuclear Information System (INIS)

    Jantzen, J.

    2002-01-01

    Some of the questions with respect to the trade of nitrogen oxides that businesses in the Netherlands have to deal with are dealt with: should a business buy or sell rights for NOx emission; which measures must be taken to reduce NOx emission; how much must be invested; and how to deal with uncertainties with regard to prices. Simulations were carried out with the MOSES model to find the answers to those questions. Results of some case studies are presented, focusing on the chemical sector in the Netherlands. Finally, the financial (dis)advantages of NOx trade and the related uncertainties for a single enterprise are discussed [nl

  19. OBSESSIONS: CASE REPORT STUDY

    Directory of Open Access Journals (Sweden)

    Miloš Židanik

    2004-01-01

    Full Text Available Background. Obsessions are one of the most refractory psychiatric disorders. The therapeutic guidelines include a psychopharmacotherapy and the use of behavioural and supportive psychotherapy.Methods. This case report study presents a patient with a homicide obsessions at the forefront and narcissistic personality disorder in background. The use of analytical oriented psychotherapy, which helped to resolve axis-1 symptoms, is described.Conclusions. In the therapy of patients it is important to have the knowledge about the national therapeutic guidelines and critical distance toward them as well. Which therapy to use should be decided by the individual patient’s needs.

  20. Development and implementation of a GIS-based tool for spatial modeling of seismic vulnerability of Tehran

    Directory of Open Access Journals (Sweden)

    M. Hashemi

    2012-12-01

    Full Text Available Achieving sustainable development in countries prone to earthquakes is possible with taking effective measures to reduce vulnerability to earthquakes. In this context, damage assessment of hypothetical earthquakes and planning for disaster management are important issues. Having a computer tool capable of estimating structural and human losses from earthquakes in a specific region may facilitate the decision-making process before and during disasters. Interoperability of this tool with wide-spread spatial analysis frameworks will expedite the data transferring process. In this study, the earthquake damage assessment (EDA software tool is developed as an embedded extension within a GIS (geographic information system environment for the city of Tehran, Iran. This GIS-based extension provides users with a familiar environment to estimate and observe the probable damages and fatalities of a deterministic earthquake scenario. The productivity of this tool is later demonstrated for southern Karoon parish, Region 10, Tehran. Three case studies for three active faults in the area and a comparison of the results with other research substantiated the reliability of this tool for additional earthquake scenarios.

  1. Cold neutron source conceptual designing for Tehran Research Reactor

    International Nuclear Information System (INIS)

    Khajvand, N.; Mirvakili, S.M.; Faghihi, F.

    2016-01-01

    Highlights: • Cold neutron source conceptual designing for Tehran research reactor is carried out. • Type and geometry of moderator and dimensions of cold neutron source are analyzed. • Liquid hydrogen with more ortho-concentration can be better option as moderator. - Abstract: A cold neutron source (CNS) conceptual designing for the Tehran Research Reactor (TRR) were carried out using MCNPX code. In this study, a horizontal beam tube of the core which has appropriate the highest thermal flux is selected and parametric analysis to choose the type and geometry of the moderator, and the required CNS dimensions for maximizing the cold neutron production was performed. In this design the moderator cell has a spherical annulus structure, and the cold neutron flux and its brightness are calculated together with the nuclear heat load of the CNS for a variety of materials including liquid hydrogen, liquid deuterium, and solid methane. Based on our study, liquid hydrogen with more ortho-concentration than para and solid methane are the best options.

  2. Mitigating the Urban Heat Island Effect in Megacity Tehran

    Directory of Open Access Journals (Sweden)

    Sahar Sodoudi

    2014-01-01

    Full Text Available Cities demonstrate higher nocturnal temperatures than surrounding rural areas, which is called “urban heat island” (UHI effect. Climate change projections also indicate increase in the frequency and intensity of heat waves, which will intensify the UHI effect. As megacity Tehran is affected by severe heatwaves in summer, this study investigates its UHI characteristics and suggests some feasible mitigation strategies in order to reduce the air temperature and save energy. Temperature monitoring in Tehran shows clear evidence of the occurrence of the UHI effect, with a peak in July, where the urban area is circa 6 K warmer than the surrounding areas. The mobile measurements show a park cool island of 6-7 K in 2 central parks, which is also confirmed by satellite images. The effectiveness of three UHI mitigation strategies high albedo material (HAM, greenery on the surface and on the roofs (VEG, and a combination of them (HYBRID has been studied using simulation with the microscale model ENVI-met. All three strategies show higher cooling effect in the daytime. The average nocturnal cooling effect of VEG and HYBRID (0.92, 1.10 K is much higher than HAM (0.16 K, although high-density trees show a negative effect on nocturnal cooling.

  3. Insect Fauna of Human Cadavers in Tehran District

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    Fahimeh Talebzadeh

    2017-10-01

    Full Text Available Background: Entomological data can provide valuable information for crime scene investigations especially in post- mortem interval (PMI estimation. This study performed to determine insect fauna of human corpses in Tehran dis­trict.Methods: Insect specimens were collected from 12 human cadavers during spring and summer 2014 and were identi­fied using morphological characteristics.Results: Four fly species including two blowflies Chrysomya albiceps and Lucilia sericata (Calliphoridae, one flesh fly Sarcophaga argyrostoma (Sarcophagidae, and one phorid fly Megaselia scalaris (Phoridae and a beetle Der­mestes maculatus (Dermestidae was observed on the human cadavers. Chrysomya albiceps was the most dominant species on the corpses temporally and spatially.Conclusion: Chrysomya albiceps was the most dominant insect species on human cadavers in the area study spatio­temporally. The data make C. albiceps as a valuable entomological indicator for PMI estimation in Tehran and other parts of the country. However, further biological and ecological data such as its behavior, life tables, and consistent developmental time should be investigated when establishing a PMI in the region.

  4. Revision and Implementation of "Clinical Guideline for Tuberculosis and HIV in Prisons", Great Tehran Prison, Iran.

    Science.gov (United States)

    Farhoudi, Behnam; SeyedAlinaghi, SeyedAhmad; Tabarsi, Payam; Mohraz, Minoo; Golrokhy, Raheleh; Farnia, Marzieh; Shahbazi, Mohammad; Alasvand, Ramin; Ebrahimi, Bahman; Esfehani, Jafar; Tashakoriyan, Mehrzad

    2018-01-01

    To evaluate the feasibility of the revised "Clinical Guideline for HIV and TB" in the Great Tehran Prison during October 2013 to June 2014. The guideline includes all aspects of HIV/TB diagnosis based on active case finding (ACF), treatment and care services. Before the implementation, a focus group discussion was conducted, and attended by experts on prison health. The objective was to identify defects and limitations of the guideline. After the discussion, the guideline was revised. The Great Tehran Prison contains three separate units; all prisoners are taken first to "reception and identification unit (quarantine)" and then send to two housing units according to their legal status. An HIV ACF strategy was employed in the quarantine, and two units through a voluntary provider-initiated HIV testing. Three staff of the triangular clinic trained the prisoners about common routes of HIV transmission and the symptoms of TB in the units. In the quarantine, all prisoners were examined for all HIV-risk factors, HIV testing and symptoms of TB. In unit one, healthcare staff continued the ACF process, while in unit two, the peers of prisoners were assigned as the healthcare communicators to proceed with the strategy. At this caring process, when the test result was positive, then the process of care, treatment and follow ups was initiated. Moreover, the use of directly observed therapy (DOT) for antiretroviral therapy (ART) and TB was applied to the sick prisoners. There was also a follow-up caring for released prisoner to refer them to care and treatment services outside the prison. The guideline was implemented in the prison successfully. Regarding feasibility of the guideline, the investigators of this study suggest that the guideline should be implemented in other prisons across the country. Copyright© Bentham Science Publishers; For any queries, please email at epub@benthamscience.org.

  5. Epidemiology of superficial and cutaneous mycosis in 5500 suspected patients in Tehran

    Directory of Open Access Journals (Sweden)

    Ayatollah Nasrollahi Omran

    2010-04-01

    Full Text Available "n Normal 0 false false false EN-US X-NONE AR-SA MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:""; mso-padding-alt:0cm 5.4pt 0cm 5.4pt; mso-para-margin:0cm; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:11.0pt; font-family:"Calibri","sans-serif"; mso-ascii-font-family:Calibri; mso-ascii-theme-font:minor-latin; mso-fareast-font-family:"Times New Roman"; mso-fareast-theme-font:minor-fareast; mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin; mso-bidi-font-family:Arial; mso-bidi-theme-font:minor-bidi;} Background: Identification of the determatophytosis species and superficial mycosis agents may be useful in directing the survey for environmental and animal sources of infection to educate the danger of acquiring infections from infected persons and other animals. Based on this background the identification of cutaneous mycosis distribution was the main purpose."n"nMethods: From March 2005 to Feb 2009 we examined 5500 patients suspected to superficial and cutaneous mycosis referred to medical mycology labs in Tehran, Iran for Medical Mycology examination. Skin, hair and nail sampling were taken by scraping from patients and collected for diagnosis. Diagnosis was confirmed by direct microscopy and culture according to the mycology routine laboratory methods."n"nResults: A total of 2271 cases (41.3% suffered from superficial and cutaneous mycosis. The most common infections were dermatophytosis 1279 cases (56.31%, Tinea Versicolor 356 cases (15.47%, Erythersma 283 cases (12.46%, cutaneous candidiosis 243 cases (10.7% and sacrophytic cutaneous mycosis 110 cases (4.83%. Tichophyton mentagrophytes was the most common etiological agent with 198 cases (41.56%. The most common clinical type of cutaneous candidiasis was

  6. Decomposing socioeconomic inequality in self-rated health in Tehran.

    Science.gov (United States)

    Nedjat, Saharnaz; Hosseinpoor, Ahmad Reza; Forouzanfar, Mohammad Hossein; Golestan, Banafsheh; Majdzadeh, Reza

    2012-06-01

    Measuring the distribution of health is a part of assessing health system performance. This study aims to estimate health inequality between different socioeconomic groups and its determinants in Tehran, the capital of Iran. Self-rated health (SRH) and demographic characteristics, including gender, age, marital status, educational years, and assets, were measured by structured interviews of 2464 residents of Tehran in 2008. A concentration index was calculated to measure health inequality by economic status. The association of potential determinants and SRH was assessed through multivariate logistic regression. The contribution to concentration index of level of education, marital status and other determining factors was assessed by decomposition. The mean age of respondents was 41.4 years (SD 17.7) and 49% of them were men. The mean score of SRH status was 3.72 (range: 1-5; SD 0.93). 282 respondents (11.5%) rated their health status as poor or very poor. The concentration index was -0.29 (SE 0.03; pinequality in SRH were economic status (47.8%), level of education (29.2%) and age (23.0%). Sub-optimal SRH was more in lower than in higher economic status. After controlling for age, the levels of education and household wealth have the greatest contributions to SRH inequality.

  7. Seismic evaluation of vulnerability for SAMA educational buildings in Tehran

    International Nuclear Information System (INIS)

    Amini, Omid Nassiri; Amiri, Javad Vaseghi

    2008-01-01

    Earthquake is a destructive phenomenon that trembles different parts of the earth yearly and causes many destructions. Iran is one of the (high seismicity) quack- prone parts of the world that has received a lot of pecuniary damages and life losses each year, schools are of the most important places to be protected during such crisis.There was no special surveillance on designing and building of school's building in Tehran till the late 70's, and as Tehran is on faults, instability of such buildings may cause irrecoverable pecuniary damages and especially life losses, therefore preventing this phenomenon is in an urgent need.For this purpose, some of the schools built during 67-78 mostly with Steel braced frame structures have been selected, first, by evaluating the selected Samples, gathering information and Visual Survey, the prepared questionnaires were filled out. With the use of ARIA and SABA (Venezuela) Methods, new modified combined method for qualified evaluations was found and used.Then, for quantified evaluation, with the use of computer 3D models and nonlinear statically analysis methods, a number of selected buildings of qualified evaluation, were reevaluated and finally with nonlinear dynamic analysis method the real behavior of structures on the earthquakes is studied.The results of qualified and quantified evaluations were compared and a proper Pattern for seismic evaluation of Educational buildings was presented. Otherwise the results can be a guidance for the person in charge of retrofitting or if necessary rebuilding the schools

  8. Analysis of the healthcare waste management status in Tehran hospitals.

    Science.gov (United States)

    Malekahmadi, Fariba; Yunesian, Masud; Yaghmaeian, Kamyar; Nadafi, Kazem

    2014-01-01

    Considering the importance of healthcare waste management, following the ratification of the Waste Management law in 2005 and the subsequent approval of its executive bylaw in 2006 and finally the healthcare waste management criteria passing by the parliament in 2008, a review on the status of healthcare waste management is needed to implement the mentioned law properly. In this retrospective study during six months period all public hospitals in Iran's capital city, Tehran, were selected to conduct the survey. Data collected through an expert-standardized questionnaire was analyzed by using SPSS software. The results of the current status of healthcare waste management in Tehran hospitals showed 5.6% of hospitals were ranked excellent, 50.7% good, 26.4% medium, and the 13.9% of hospitals were ranked weak and 3.5% ranked very poor. The findings showed that appropriate technologies should be used to have better disposal stage. As the ratified criteria were not fully observed by all the selected hospitals, training courses and comprehensive program conducting by each hospital could be enjoyed as practical tools to implement the all stages of healthcare waste management properly.

  9. The accuracy of references in PhD theses: a case study.

    Science.gov (United States)

    Azadeh, Fereydoon; Vaez, Reyhaneh

    2013-09-01

    Inaccurate references and citations cause confusion, distrust in the accuracy of a report, waste of time and unnecessary financial charges for libraries, information centres and researchers. The aim of the study was to establish the accuracy of article references in PhD theses from the Tehran and Tabriz Universities of Medical Sciences and their compliance with the Vancouver style. We analysed 357 article references in the Tehran and 347 in the Tabriz. Six bibliographic elements were assessed: authors' names, article title, journal title, publication year, volume and page range. Referencing errors were divided into major and minor. Sixty two percent of references in the Tehran and 53% of those in the Tabriz were erroneous. In total, 164 references in the Tehran and 136 in the Tabriz were complete without error. Of 357 reference articles in the Tehran, 34 (9.8%) were in complete accordance with the Vancouver style, compared with none in the Tabriz. Accuracy of referencing did not differ significantly between the two groups, but compliance with the Vancouver style was significantly better in the Tehran. The accuracy of referencing was not satisfactory in both groups, and students need to gain adequate instruction in appropriate referencing methods. © 2013 The authors. Health Information and Libraries Journal © 2013 Health Libraries Group.

  10. Forensic toxicology analysis of self-poisoning suicidal deaths in Tehran, Iran; trends between 2011-2015.

    Science.gov (United States)

    Kordrostami, Roya; Akhgari, Maryam; Ameri, Maryam; Ghadipasha, Masoud; Aghakhani, Kamran

    2017-06-13

    Suicide ranks among the top ten causes of death in all age groups all over the world. There are many methods for committing suicide including self-poisoning, firearm and hanging. The aim of the present study was to provide an overview of self-poisoning related suicidal deaths with special focus on forensic toxicology analysis results in Tehran, Iran from 2011 to 2015. All suspicious cases with the the history of self-poisoning were investigated to define the cause and manner of death under the supervision of forensic medicine practitioners. Postmortem samples were analysed in forensic toxicology laboratory to confirm the presence of drugs in cadaver of suicidal cases. Drugs and poisons were analysed using thin layer chromatography, high performance liquid chromatography, gas chromatography/mass spectrometry, headspace gas chromatography and gas chromatography equipped with nitrogen phosphorus detector. Demographic data were collected from autopsy reports of all cases with confirmed self-poisoning suicidal cause of death. Results showed that 674 cases of self-poisoning deaths were investigated during a five-year study period, of which 68.55% were male. The most often used suicide method was self-poisoning in young population. Phosphine gas liberated from aluminum phosphide tablets was the most toxic substance detected in postmortem samples (619 cases) followed by opioids, methamphetamine, organophosphates, cyanide and strychnine. In conclusion self-poisoning suicidal death was predominant in young male population in Tehran, Iran. It seems that free access to suicide means such as drugs and poisons should be restricted by national and health authorities. Not applicable.

  11. Evaluation and Molecular Comparison of Mycobacterium tuberculosis Strains Isolated from Iranian and Afghan Immigrants in Tehran

    Directory of Open Access Journals (Sweden)

    Banafsheh Nasiri

    2014-08-01

    Conclusions: During the studied period, reactivation of a previous infection remain the more probable cause of recurrence. 8.4% of Afghan immigrants׳ patients who developed tuberculosis infection in Tehran, transmission from Afghan immigrants׳ patients leading to tuberculosis in other persons is uncommon.

  12. Training Needs Assessment of Technical Skills in Managers of Tehran Electricity Distribution Company

    Science.gov (United States)

    Koohi, Amir Hasan; Ghandali, Fatemeh; Dehghan, Hasan; Ghandali, Najme

    2016-01-01

    Current dissertation has been conducted in order to investigate and detect training needs of the mangers (top and middle) in Tehran Electricity Distribution Company. Research method is applied kind based on its purpose. Due to data collection method, this query is descriptive-survey type. Statistical population in this study is all of managers in…

  13. Exposure to Domestic Violence between Parents: A Perspective from Tehran, Iran

    Science.gov (United States)

    Vameghi, Meroe; Feizzadeh, Ali; Mirabzadeh, Arash; Feizzadeh, Golnaz

    2010-01-01

    Women may bear the brunt of domestic violence, but children are also inflicted by the consequences of violence between their parents. We sought to evaluate the lifetime prevalence of exposure to physical violence between parents among some senior secondary school students in Tehran. The study was conducted on senior secondary school students in…

  14. Fiscal 1999 research report. Basic research on joint implementations promotion (Feasibility study of modification for Tehran Cement Co., Ltd., Iran); 1999 nendo kyodo jisshi nado suishin kiso chosa hokokusho. Iran koku Teheran cement sha kaizo F/S

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2000-03-01

    The feasibility study was started upon a request made by the Iranian Ministry of Energy involving the No. 7 kiln of the above said company. It was then concluded, after assessing the degree of urgency of supply and demand and the magnitude of loss due to reduced production because of the on-site modification work, that it was not practical to begin the project immediately. Under the circumstances, various studies were made about the feasibility of modification of the whole production process of the No. 1 kiln through No. 7 kiln, and a procedure was presented, to be described below. The procedure will consist of Phase I wherein the No. 3 wet kiln is converted into an NSP (new suspension preheater) dry kiln, Phase II wherein the No. 7 SP (suspension preheater) dry kiln is converted in to an NSP kiln, and Phase III wherein the No. 4 SP dry kiln is converted into a clinker cooler. Under this procedure, the modernization of the Tehran Cement Co., Ltd., facilities will be accomplished without causing production loss. After the completion of the project, an annual yield of 3.6-million tons will be achieved, with productivity to be improved by 26.4% over the current theoretical capacity or by 54.8% over the actual average for the past 5 years. There will be a sustained conservation of 25,356 tons/year in terms of oil. Application of CDM (clean development mechanism) to this project will be extremely effective in reducing greenhouse gas and in improving profitability. (NEDO)

  15. Acid Rain Examination and Chemical Composition of Atmospheric Precipitation in Tehran, Iran

    Directory of Open Access Journals (Sweden)

    Mohsen Saeedi

    2012-01-01

    Full Text Available Air pollution is one of the most important environmental problems in metropolitan cities like Tehran. Rain and snow, as natural events, may dissolve and absorb contaminants of the air and direct them onto the land or surface waters which become polluted. In the present study, precipitation samples were collected from an urbanized area of Tehran. They were analyzed for NO3-, PO43-, SO42-, pH, turbidity, Electrical Conductivity (EC, Cu, Fe, Zn, Pb, Ni, Cr, and Al. We demonstrate that snow samples were often more polluted and had lower pH than those from the rain, possibly as an effect of adsorption capability of snow flakes. Volume weighted average concentrations were calculated and compared with some other studies. Results revealed that Tehran's precipitations are much more polluted than those reported from other metropolitan cities. Cluster analysis revealed that studied parameters such as metals and acidity originated from the same sources, such as fuel combustion in residential and transportation sectors of Tehran.

  16. Related risk factors of cleft lip and palate in a group of infants born in Tehran (2012-2015

    Directory of Open Access Journals (Sweden)

    R.Hamedi

    2017-10-01

    Full Text Available Background: Cleft lip and palate is one of the most common congenital anomalies. The etiology of non syndromic orofacial clefts is multifactorial. Objective: The aim of this study was to evaluate the related risk factors of cleft lip and palate in a group of infants born in Tehran during the years between 2012-2015. Methods: In this case-control study the files of 105 newborns with oral clefts, and 218 normal newborns as control group with their mothers were evaluated in Mofid Hospital in Tehran. Data were analyzed by Chi-square test. Findings: Among 105 cases, 40 cases (38% were females and 65 cases (62% were males. The frequency of cleft lip and palate, cleft palate and cleft lip were 58%, 27.6% and 14.2% respectively. A significant relationship was found between parents with familial marriage (P=0.001. The highest number of clefts belonged to 25-35 year-old mothers (51.4%, 41% of mothers reported smoking during pregnancy thus maternal smoking would be an effective predisposing factor to have a child with oral clefts (P=0.001. Conclusion: The results of this study indicate that history of familial matrimony, mother’s age above 35 years and maternal smoking during pregnancy can enhance the risk of orofacial clefts 18, 17 and 14 times respectively. These findings emphasize the importance of preconception counseling of mothers-to-be on amendable lifestyle factors in order to reduce the birth prevalence of cleft lip/palate in future generations.

  17. Molecular Typing of Acinetobacter Baumannii Clinical Strains in Tehran by Pulsed-Field Gel Electrophoresis

    Directory of Open Access Journals (Sweden)

    Neda Farahani

    2013-03-01

    Full Text Available Background & Objective : Currently, Acinetobacter baumannii is an important nosocomial pathogen insofar as its hospital outbreaks have been described from various geographical areas. Since the discrimination of strains within a species is important for delineating nosocomial outbreaks, this study was conducted with the aim of genotyping the A. baumannii clinical strains in Tehran via the pulsed-field gel electrophoresis (PFGE method, which is the most accurate method used for the typing of bacterial species.   Materials & methods: This study was performed on 70 isolates of acinetobacter baumannii isolated from patients from Baqiyatallah, Rasoole Akram, and Milad hospitals in Tehran. Cultural and biochemical methods were used for the identification of the isolates in species level, and then susceptibility tests were carried out on 50 isolates of A. baumannii using the disk diffusion method. The PFGE method was performed on the isolates by Apa I restriction enzyme. Finally, the results of the PFGE were analyzed. Result: Acinetobacter baumannii strains isolated from hospitals in Tehran showed seven different genetic patterns, two of which were sporadic . Also, genotypic profiles were different in each hospital, and different patterns of genetic resistance to common antibiotics were observed. Conclusion: A lthough diversity was observed among the strains of A. baumannii by the PFGE method in Tehran, no epidemic strains were found among them.  

  18. Goiania incident case study

    International Nuclear Information System (INIS)

    Petterson, J.S.

    1988-06-01

    The reasons for wanting to document this case study and present the findings are simple. According to USDOE technical risk assessments (and our own initial work on the Hanford socioeconomic study), the likelihood of a major accident involving exposure to radioactive materials in the process of site characterization, construction, operation, and closure of a high-level waste repository is extremely remote. Most would agree, however, that there is a relatively high probability that a minor accident involving radiological contamination will occur sometime during the lifetime of the repository -- for example, during transport, at an MRS site or at the permanent site itself during repacking and deposition. Thus, one of the major concerns of the Yucca Mountain Socioeconomic Study is the potential impact of a relatively minor radiation-related accident. A large number of potential impact of a relatively minor radiation-related accident. A large number of potential accident scenarios have been under consideration (such as a transportation or other surface accident which results in a significant decline in tourism, the number of conventions, or the selection of Nevada as a retirement residence). The results of the work in Goiania make it clear, however, that such a significant shift in established social patterns and trends is not likely to occur as a direct outcome of a single nuclear-related accident (even, perhaps, a relatively major one), but rather, are likely to occur as a result of the enduring social interpretations of such an accident -- that is, as a result of the process of understanding, communicating, and socially sustaining a particular set of associations with respect to the initial incident

  19. FMCT verification: Case studies

    International Nuclear Information System (INIS)

    Hui Zhang

    2001-01-01

    Full text: How to manage the trade-off between the need for transparency and the concern about the disclosure of sensitive information would be a key issue during the negotiations of FMCT verification provision. This paper will explore the general concerns on FMCT verification; and demonstrate what verification measures might be applied to those reprocessing and enrichment plants. A primary goal of an FMCT will be to have the five declared nuclear weapon states and the three that operate unsafeguarded nuclear facilities become parties. One focus in negotiating the FMCT will be verification. Appropriate verification measures should be applied in each case. Most importantly, FMCT verification would focus, in the first instance, on these states' fissile material production facilities. After the FMCT enters into force, all these facilities should be declared. Some would continue operating to produce civil nuclear power or to produce fissile material for non- explosive military uses. The verification measures necessary for these operating facilities would be essentially IAEA safeguards, as currently being applied to non-nuclear weapon states under the NPT. However, some production facilities would be declared and shut down. Thus, one important task of the FMCT verifications will be to confirm the status of these closed facilities. As case studies, this paper will focus on the verification of those shutdown facilities. The FMCT verification system for former military facilities would have to differ in some ways from traditional IAEA safeguards. For example, there could be concerns about the potential loss of sensitive information at these facilities or at collocated facilities. Eventually, some safeguards measures such as environmental sampling might be seen as too intrusive. Thus, effective but less intrusive verification measures may be needed. Some sensitive nuclear facilities would be subject for the first time to international inspections, which could raise concerns

  20. Measuring Subjective Happiness by Newly Developed Scale in Tehran, Iran

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    Kambiz Abachizadeh

    2015-10-01

    Full Text Available Background: Happiness as one of the main positive health indicators has drawn more attention in recent years among policy makers and health system managers. There are few studies performed to measure happiness in population-based settings in Iran. In response to this need, our study tends to assess Iranians subjective happiness in Tehran, Capital city of Iran.Materials and Methods: Present study was conducted in Tehran, Capital of Iran, with more than 7 Million populations in January 2013, using a two-step approach. In first step c conceptual framework of Iranians’ happiness was developed. In the second phase of study, a survey recruiting 700 participants was conducted. Stratified cluster sampling method was employed. Participants were recruited from all the 22 municipal divisions of Tehran as strata, proportional to the population size and its gender and age distribution. Happiness was measure by a 40-item questionnaire with scores ranged among 40 to 200.Results: Conceptual framework of Iranians’ happiness based on reviewed documents and consensus building process was the product of first step. At second step, from a pool of 700 persons, 696 (97% agreed to participate and filled out the questionnaire completely.  The mean of happiness score was 143.9 (95% confidence interval, 142.5 to 145.4. The results show that the happiness score of jobless people (135.1, 95%CI: 128.1-142.0 and widowed singles (126.6, 95%CI: 113.0-140.2 were significantly lower than other corresponding groups. There was no significant association between gender, age group, educational level as determinants and happiness.Conclusion: Happiness level of Tehranians is somewhat higher than the moderate level. This finding is consistent with findings of other conducted studies in country. However, it is not consistent with some of international reports of happiness, For instance, Happy Planet Index. Due to inadequate information, it is necessary to conduct more research to

  1. Final report on case studies

    DEFF Research Database (Denmark)

    Ljungberg, Daniel; McKelvey, Maureen; Lassen, Astrid Heidemann

    2012-01-01

    Case study as a research design means investigating a single or multiple instance(s) or setting(s) (i.e. a case) and its entire context to explain a phenomenon and its processes. This is achieved through detailed understanding, usually comprised of multiple sources of information. In this way, case...... studies attempt to provide as a complete an understanding of a (complex) phenomenon as possible. Within the AEGIS project, survey and case study research are complementary. They are complementary in the sense that the former can provide more generalizable evidence on a phenomenon in terms of cross......-sectional data, while the latter can provide more in-depth (qualitative) understanding on specific issues. In systematically examining the case studies, however, this report goes beyond a typical single case study. Here we provide a synthesis of 86 case studies. Multiple case studies, following similar focus...

  2. 425 Case study

    African Journals Online (AJOL)

    Marinda

    Anaesthesia management of acute aortic dissection type B in ... of a severe, constant abdominal and chest pain radiating to the ... Continuous spinal anaesthesia was induced ... these cases surgical intervention is critical.1,2 Type B of AAD is.

  3. Epidemiology, etiology and outcomes of burn patients in a Referral Burn Hospital, Tehran

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    Mohammad Mehdi Soltan Dallal

    2016-08-01

    Full Text Available Background: Burns and its complications are regarded as a major problem in the society. Skin injuries resulted from ultraviolet radiation, radioactivity, electricity or chemicals as well as respiratory damage from smoke inhalation are considered burns. This study aimed to determine the epidemiology and outcome of burn patients admitted to Motahari Hospital, Tehran, Iran. Methods: Two hundred patients with second-degree burns admitted to Motahari Referral Center of Burn in Tehran, Iran. They were studied during a period of 12 months from May 2012 to May 2013. During the first week of treatment swabs were collected from the burn wounds after cleaning the site with sterile normal saline. Samples were inoculated in blood agar and McConkey agar, then incubation at 37 C for 48 hours. Identification was carried out according to standard conventional biochemical tests. Treatment continued up to epithelial formation and wound healing. Results of microbial culture for each patient was recorded. Healing time of the burn wounds in patients was recorded in log books. Chi-square test and SPSS Software v.19 (IBM, NY, USA were used for data analysis. Results: Our findings indicate that the most causes of burns are hot liquids in 57% of cases and flammable liquid in 21% of cases. The most cases of burns were found to be in the range of 21 to 30 percent with 17.5% and 7% in male and female respectively. Gram-negative bacteria were dominated in 85.7% and among them pseudomonas spp. with 37.5% were the most common cause of infected burns, followed by Enterobacter, Escherichia coli, Staphylococcus aureus, Acinetobacter and Klebsiella spp. Conclusion: The results of this study showed that the most cause of burns in both sex is hot liquid. Men were more expose to burn than women and this might be due to the fact that men are involved in more dangerous jobs than female. Pseudomonas aeruginosa was the most common organism encountered in burn infection.

  4. Fear and Loathing in Tehran

    DEFF Research Database (Denmark)

    Elling, Rasmus Christian

    Within the framework of urban cultural studies, I show how acts and processes of alienation and disalienation - in the Lefebvrian sense - are expressed through the 1922 novel 'Tehrân-e Makhuf' by Moshfeq Kazemi, thus exploring the dialectical relationship between material conditions and cultural ...

  5. Public awareness and attitudes towards epilepsy in Tehran, Iran.

    Science.gov (United States)

    Ghanean, Helia; Nojomi, Marzieh; Jacobsson, Lars

    2013-12-05

    Epilepsy is a prototypical, stigmatised disorder. Numerous studies have been conducted regarding the public perception of epilepsy, but they are primarily from high-income western countries; few studies have taken place in low- to middle-income countries with a traditional culture and a religious orientation. The public knowledge and attitudes towards epilepsy in Tehran, Iran, is studied. A survey of 800 subjects ranging from 18 to 85 years was randomly chosen from households in Tehran in 2009. The questionnaire used was based on the Caveness and Gallup's studies conducted in the United States in 1949 and it has been used in numerous similar studies all over the world. The mean age of the participants was 37.5 years and 46.7% were female. Pearson's Chi-squared test was used for subgroup analyses. The majority of subjects cited brain disorders as a cause of epilepsy, while 17% indicated the will of God as the cause. Most individuals were willing to work with a person with epilepsy, allow their children to play with a child with epilepsy, and allow people with epilepsy to use public transportation (78-82%). However, only 28% were willing to accept the marriage of a family member to someone with epilepsy. The knowledge and attitudes towards epilepsy are similar to those in Europe, with the exception of a much lower acceptance regarding marriage to a person with epilepsy. However, the low acceptance for marrying someone with epilepsy reveals the remaining misconceptions about the nature of epilepsy in Iran, despite the high educational level in the studied population. Therefore, informational efforts must be employed to change the perception of epilepsy.

  6. Effects of Community-Based Newborn Care Intervention on Neonate Health Status in a District of Tehran (Iran

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    Fatemeh Nayeri

    2016-08-01

    Full Text Available Objective: To identify the effects of community-based interventions on the Neonatal Health Index in one district of Tehran-Iran.Materials and methods: A community and healthcare center-based study was carried out from January 2011 through September 2014. The population of the study included newborns from mothers residing in the 4th district of Tehran, Iran. Demographic data of mothers and infants were recorded in questionnaires before and after intervention. Interventions were implemented in hospitals, participants' homes, and health centers. The primary outcomes were comparison of mean birth weight, weight gain during the first 3-7 days, first week visit rate, hospitalization rate between the before and after intervention groups.Results: The populations in the before and after intervention groups were 274 and 250, respectively. A significant difference was seen between the gestational ages (P value = 0.007 of the two groups. Mean birth height in the first group was 50.35 ± 3.48 and in the second group was 55 ± 5.32 cm (P value = 0.04. Neonatal complications in the second group were 6.9% lower than in the first group (P value = 0.048. In the first group 41 neonates (15% were hospitalized in the NICU while in the second group 12 cases (4.8% were hospitalized (P value = 0.018. Seven cases (2.6% in the first group and one case (0.4% in the second group were resuscitated (P value = 0.0001.Conclusion: The results of implementing community-based newborn care strategies witnessed at the first week postnatal visit included improvements inneonatal gestational growth, management of neonates with potentially serious illnesses, diagnosis of warning signs and neonatal care practices.

  7. Managerial ability and earnings quality: Evidence from Tehran Stock Exchange

    Directory of Open Access Journals (Sweden)

    Hamid Salehi

    2014-07-01

    Full Text Available Auditor independence is associated with the independence of the internal/external auditor from various parties who may have some financial interest in the business being audited. Many countries have set up different rules forcing firms to change their auditors every few years. This helps business retain healthy business. This paper presents an empirical investigation to study the effect of change in auditing system on 90 selected firms from Tehran Stock Exchange over the period 2007-2011. Using a regression model developed earlier by Demerjian et al. (2012a [Demerjian, P. R., Lev, B., Lewis, M. F., & McVay, S. E. (2012a. Managerial ability and earnings quality. The Accounting Review, 88(2, 463-498.], the study determines a positive impact of change in auditor system on business development.

  8. Neonatal hypoglycemia: prevalence and clinical manifestations in tehran children's hospital

    International Nuclear Information System (INIS)

    Dashti, N.; Einollahi, N.; Abbasi, S.

    2007-01-01

    To measure the prevalence of hypoglycemia among newborn infants in Children Hospital using a standard laboratory glucose method and to evaluate the evidence of clinical manifestations of hypoglycemia, designing appropriate strategies for prevention and treatment. The study population consisted of 673 neonates in Tehran Children's Hospital and was conducted between June 2004 and March 2005. The incidence of neonatal hypoglycemia in the present study group was 15.15% live births. The clinical features which remained significantly associated with the hypoglycemic neonates were refusal of feeding (45%), hyporeflexia (36.2%), irritability (30%), cyanosis (28.4%), tackypnea (24.5%), seizure (16.6%), weak cry (15.8%), apneic spels (9.8%), pallor (1.9%), cardiac arrest (9.1%) and sweating (1%). Hypoglycemia does occur frequently in newborn infants and requires careful monitoring and therapy of serum glucose. (author)

  9. Investigating the Status of Social Capital in Tehran in 2008

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    yahya shadi

    2016-02-01

    Full Text Available Abstract Introduction: Today, the role of social capital has been proved to be undeniable in the health . The World Health Organization (WHO in 2000 declared that almost 60% of the causes of disease and mortality were related to the social factors. Therefore, this study aimed to investigate the status of social capital as one of the social determinants of health in Tehran, capital of Iran. Methods:   The study participants, who aged over 18 years, lived in 22 districts of Tehran in 2010. The study data were collected on social capital and socioeconomic variables in Iran. Different dimensions of social capital as well as the mean score of social capital was measured in various groups using the SC-IQ. The study data were analyzed using Stata statistical software: release 13.0. Results: In this study, 2.484 participants were selected via multistage random sampling. The mean age of participants was 41.38±17.7, and the mean score of social capital was slightly more in men (31.18 than women (30.41. Social capital was demonstrated to be lower within poor participants than other groups. In terms of marital status, the divorced had the lowest social capital (26.50. The mean social capital in those with university education was higher compared to individuals with other levels of education. Conclusion: Social capital is regarded as one of the factors affecting health. To promote the level of this valuable capital, the factors affecting the  social capital level should be identified and all appropriate measures should be taken into account in order to ultimately enhance the level of public health.

  10. Application of Education Management and Lesson Study in Teaching Mathematics to Students of Second Grade of Public School in District 3 of Tehran

    Science.gov (United States)

    Farhoush, Masoumeh; Majedi, Parisima; Behrangi, Mohammadreza

    2017-01-01

    The present paper studies the effects of lesson study as a sample of participative researches in classroom as well as Behrangi Education Management Model in courses by aiming at exploring and allowing students to use the indexes of course concepts as an effective model in learning. The research plan is pre-test, posttest with control group type.…

  11. Evaluating the quality of education at dentistry school of tehran university of medical sciences.

    Science.gov (United States)

    Farzianpour, Fereshteh; Monzavi, Abbas; Yassini, Esmaeil

    2011-01-01

    Educational evaluation is a process which deals with data collection and assessment of academic activities' progress. In this research, educational evaluation of Dentistry School of Tehran University of Medical Sciences, which trains students in undergraduate and residency courses, was studied. This descriptive study was done with a model of educational evaluation in ten steps and 13 fields including purposes and mission objectives, management and organization, academic board members, students, human resources and support, educational, research, health and treatment spaces, educational, diagnostic, research and laboratory tools, educational, research, health and treatment programs and courses, process of teaching and learning, evaluation and assessment, alumni, and patients satisfaction. Data were collected using observation, interviews, questionnaires, and checklists. Results of the study were mainly qualitative and in some cases quantitative, based on defined optimal situation. The total mean of qualitative results of educational evaluation of dentistry school in all 13 fields was 55.98% which is relatively desirable. In the case of quantitative ones, results of some fields such as treatment quality of patients and education and learning of the students were relatively desirable (61.32% and 60.16% respectively). According to the results, educational goals and missions, educational and research facilities and spaces which were identified as the weakest areas need to be considered and paid more serious attention.

  12. Are people in Tehran prepared for the family physician program?

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    Azam Majidi

    2014-01-01

    Full Text Available Background: Upon successful experiences of family physician program in the rural regions, Iranian Ministry of Health and Medical Education (MOHME made a decision to expand this program to urban areas. For this reason a pilot program were designated and some cities have been selected to determine dos and don′ts of performing family physician program in the cities. Various studies were published during this period demonstrating the advantages and disadvantages of family physicians′ care in these cities. After this process in 2012 and 2013 MOHME announced implementation of family physician program in Tehran. Our study investigated public attitudes, knowledge and practice about the newly introduced program. Methods: This cross-sectional study was performed in Tehran during November to December 2012. A telephone survey was carried out using the Random Digit Dialing (RDD method and data was gathered by a researcher designed questionnaire. A total of 386 residents aged 18 years and over participated in the study. To compare the differences between various groups′ knowledge scores data were analyzed performing Chi-square test, t-test, ANOVA, and logistic regression by SPSS software version 17, to find factors that affected individuals′ agreement with the program. Results: Among all samples 214(57.4% knew about the program and almost 120(85.1% of these aware people were planning to participate in the program. Television and Radio were the major information resources. After adjusting for Educational status, Access to Internet and Socio Economic Status(SES those people who didn′t have any kind of health coverage systems(Health insurance were most likely to accept the program and agree with that[OR= 2.38(1.05-5.38 ]. Conclusions: The fact that despite low levels of information, most of aware people intend to enroll in the new program reveals that expanding informative programs would bring more participation and involvement among community.

  13. The effect of transformational leadership style and organizational culture on the formation of organizational cynicism in the Agricultural Bank of Tehran

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    Narges Rabie

    2016-06-01

    Full Text Available The purpose of this study was to evaluate the effect of transformational leadership style and organizational culture on the formation of organizational cynicism in the Agricultural Bank in city of Tehran. The population of this study consisted of 1022 employees of the Agricultural Bank of Tehran. A total of 304 questionnaires were distributed, of which 264 valid questionnaires were collected. These questionnaires were distributed randomly among the male and female employees in Tehran branches of Agricultural Bank. Standard questionnaire of transformational leadership model, standard questionnaire of organizational culture model and organizational cynicism were applied in this study. In this study SPSS19 and Smart PLS software were used to analyze the collected data. Hypothesis testing showed that at first, Transformational leadership style had no significant effect on the formation of organizational cynicism in the Agricultural Bank in Tehran, and organizational culture had a significant negative impact on the formation of organizational cynicism in the Agricultural Bank in the second hypothesis.

  14. Organizational behavior of employees of Tehran University of Medical Sciences.

    Science.gov (United States)

    Dargahi, Hossein

    2012-01-01

    Organizational behaviors are commonly acknowledged as fundamentals of organizational life that strongly influence both formal and informal organizational processes, interpersonal relationships, work environments, and pay and promotion policies. The current study aims to investigate political behavior tendencies among employees of Tehran University of Medical Sciences (TUMS). This cross-sectional, descriptive and analytical study was conducted on 810 TUMS employees at the headquarters of the Tehran University of Medical Sciences, Iran during 2010-2011. The research tool for data collection was a researcher-tailored questionnaire on political behaviors. The validity of the questionnaire was confirmed by seven management professors, and its reliability was tested by a pilot study using test-retest method which yielded a Cronbach's alpha coefficient of 0.71. The respondents were asked to fill the questionnaire and express their perceptions and tendencies to engage in organizational behaviors. The collected data was read to and analyzed by IBM SPSS environment and correlation analytical methods. Overall, 729 respondents filled and returned the questionnaire yielding a response rate of 90%. Most of the respondents indicated that they had no tendency to engage in political behavior. Moreover, we found that there was a significant correlation between sex, higher education degrees, tenure and the employees' tendency to engage in political behavior. The participants were not overtly political because of their personal belief, ethical values, and personal characters. Non-political and overtly political employees are both prejudicial for all organizations. Therefore, it seems that the medium rate of good political behavior is vital and prevalent in Iranian organizations.

  15. Employment Status of the Members of Tehran Deaf Community

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    Shahrooz nemati

    2011-09-01

    Full Text Available Background and Aim: Regarding the importance of employment in social and emotional status of individuals, it would be important for the deaf. The purpose of the present study was to assess the employment status of the members of Tehran deaf community.Methods: This descriptive study was performed on all members of Tehran deaf community. A researchers-made questionnaire which had three parts (demographic information, employment status of the deaf members and their attitudes regarding employment was used in this study. The obtained data were analyzed using descriptive methods.Results: Majority of deaf community members were adult (ages ranging between 18 and 30. Sixty-eight of them (52.5% were female and 53 (47.5% were male, from our participants, 56.2% were unemployed and 43.8% were employed. Main problems were: having no access to facilities regarding their disability (14.5%, communication problems (9.4%, lower salaries because of their disability (12.4%, being far from the working place (15.4%, disproportion of working environment to their disability (11.4%, maltreatment of their coworkers (13.2%, maltreatment of their employer (12.5% and discrimination because of their disability (11.2%, the attitudes of the deaf members were positive regarding the employment in all areas: 90% of them considered it as an essential part of life versus 10% of them mentioned not very important issue.Conclusion: Our findings showed that most of the deaf were supported by their family members, but not by the social facilities or their past education. The social policies should be reformed to support employment of the deaf.

  16. Content analysis of Student's short messages; Tehran's universities

    Directory of Open Access Journals (Sweden)

    Masoud Kowsari

    2008-07-01

    Full Text Available Recently, cell phone, as an unlimited media, in comparison with others, has deeply changed the modes of interpersonal connections. Accessibility, and inexpensiveness, in addition to the transcendence of normal face to face relation restrictions, could be taken for granted as most fascinating features of SMS. Therefore, content analysis of the SMS could help to clarify the communicative subjectivities in interpersonal communications. This study tends to analyze the content of 2651 short messages exchanged among 80 students both genders, in various universities in Tehran. This paper attempts to answer the following questions: Who are the main senders of the messages? In what time are the SMS s frequently s sent or received? What are the most frequent contents? Is there any relationship between the gender of recipients/senders and the content of the messages? Whether the contents are related to the marital statue of the receiver and sender or not?

  17. Microbiological quality of retail spices in Tehran, Iran.

    Science.gov (United States)

    Koohy-Kamaly-Dehkordy, Paliz; Nikoopour, Houshang; Siavoshi, Farideh; Koushki, Mohammadreza; Abadi, Alireza

    2013-05-01

    The microbiological quality of 351 samples of nine types of spices including black pepper, caraway, cinnamon, cow parsnip, curry powder, garlic powder, red pepper, sumac, and turmeric, collected from retail shops in Tehran during 2007, was determined. The numbers of aerobic mesophilic bacteria, Escherichia coli, and molds exceeded Iran's National Standard limits, at 63.2% (>5 × 10(5) CFU/g), 23.4% (>0.3 MPN/g), and 21.9% (>5 × 10(3) CFU/g) of the studied samples, respectively. Coliform contamination was more than 10(3) MPN/g in 24.8% of samples. High contamination of retail spices is considered an indication of environmental or fecal contamination due to unhygienic practices in their production. Use of spices with high microbial content could increase the chance of food spoilage and transmission of foodborne pathogens. Accordingly, application of food safety measurements to reduce microbial counts in spices is strongly recommended.

  18. Predictive performances of lipid accumulation product vs. adiposity measures for cardiovascular diseases and all-cause mortality, 8.6-year follow-up: Tehran lipid and glucose study

    Directory of Open Access Journals (Sweden)

    Azizi Fereidoun

    2010-09-01

    Full Text Available Abstract Background The body mass index (BMI is the most commonly used marker for evaluating obesity related risks, however, central obesity measures have been proposed to be more informative. Lipid accumulation product (LAP is an alternative continuous index of lipid accumulation. We sought in this study to assess if LAP can outperform BMI, waist-to-height-ratio (WHtR, or waist-to-hip-ratio (WHpR in predicting incident cardiovascular disease (CVD or all-cause mortality. Results Among participants of Tehran Lipid and Glucose Study, 6,751 participants (2,964 men, aged ≥ 30 years, were followed for a median of 8.6 years. We observed 274 deaths (men: 168 and 447 CVD events (men: 257. Levels of common CVD risk factors significantly increased across LAP quartiles. Mortality rates did not differ by LAP quartiles. Among participants free of CVD at baseline [6331 (2,741 men], CVD incident rates per 1000 person increased in a stepwise fashion with increasing LAP quartile values in both men (from 6.9 to 17.0 and women (from 1.3 to 13.0, (Ps Among women, a 1-SD increment in log-LAP conferred a 41% increased risk for CVD (HR 1.41, 95% CIs 1.02-1.96. Among men, however, LAP was not observed to be independently associated with increased risk of CVD; except in a sub-group of men assigned to the lifestyle modification interventions, where, LAP predicted CVD risk. After adjustment with CVD risk factors LAP turned to be inversely associated with risk of all-cause mortality (HR, men 0.74, 95% CIs 0.61-0.90; women, 0.94 95% CIs 0.74-1.20. Among women, magnitude of increased risk of CVD due to LAP was not different from those of anthropometric measures. Among men, however, WHpR was observed to be more strongly associated with increased risk of CVD than was LAP. Among neither men nor women were the predictive performances (discrimination, calibration, goodness-of-fit of the LAP better than those of different anthropometric measures were. Conclusions If LAP is to be

  19. Comparison of the Effect of Gastric Bypass and Sleeve Gastrectomy on Metabolic Syndrome and its Components in a Cohort: Tehran Obesity Treatment Study (TOTS).

    Science.gov (United States)

    Barzin, Maryam; Motamedi, Mohammad Ali Kalantar; Serahati, Sara; Khalaj, Alireza; Arian, Peyman; Valizadeh, Majid; Khalili, Davood; Azizi, Fereidoun; Hosseinpanah, Farhad

    2017-07-01

    Metabolic syndrome (MetS) is a prevalent counterpart of morbid obesity. With the surgical technique of sleeve gastrectomy (SG) gaining widespread acceptance for weight loss in morbid obese patients, we aimed to undertake a study to compare its effectiveness to gastric bypass (GB) for metabolic control in these patients. A total of 425 patients from a prospectively collected database of morbid obese subjects between 18 and 65 years of age undergoing a primary bariatric procedure from March 2013 to September 2015 were included. Statistical analysis was performed using general estimation equation and propensity scores, and odds ratios were calculated. Three hundred nineteen patients underwent SG and 106 underwent GB. Mean age of the patients was 37.8 ± 11.7, and mean body mass index (BMI) was 44.3 ± 5.9 kg/m 2 . MetS was present in 61.4% of patients and diabetes mellitus in 48.6%. MetS prevalence decreased from 60 and 64% in the SG and GB groups to 16 and 10% at 12 months, respectively. These improvements were consistent throughout the study period in both groups, with no significant difference between the two groups (for all variables: P trend   .05). After propensity score-adjusted analysis, neither surgical technique showed superiority over the other regarding metabolic improvement (OR for MetS resolution: 0.81, 95% CI: 0.49-1.34). In this short-term study with 1-year follow-up, SG showed similar results to GB in terms of weight loss, MetS resolution, and glycemic control in a large Middle Eastern cohort. Long-term studies are needed to further investigate the effectiveness of SG in this regard.

  20. Prevalence of Eye Disorders in Elderly Population of Tehran, Iran

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    Afsun Nodehi- Moghadam

    2015-12-01

    Full Text Available Introduction: The decline of visual function with increasing age is a significant concern in elderly. Despite previous work on prevalence of specific ophthalmic pathologies, there has not been enough valid data about overall eye disorders in Tehran yet, and it is poorly defined and not underpinned by strong evidence. The purpose of this study was to investigate the common eye disorders in the elderly population of Tehran. Methods: A total of 392 elderly community residents aged 60 to 96 were enrolled. The 278 older adults referred to Tehran’s Polyclinic of 6th Region of municipality and 114 older adults referred to the health centers of 9th Region of municipality between 2013 and 2014 were examined. All participants underwent an extensive ophthalmologic screening examination including cataract, diabetic retinopathy of optic nerve, macular degeneration, and glaucoma. The prevalence of various eye disorders was calculated as percentages of the total study population and categorized by age and sex. Results: Of the 392 participants, 152 subjects (38.8% had no eye disease. Common visual impairments in elderly were cataract (39.3%, macular degeneration (11.5%, diabetic retinopathy of optic nerve (5.6% and glaucoma (4.8%. It has also showed cataract prevalence increased with age from (6.3% in the 60-64 age group to (47.6% for the patients 85years of age and older. Conclusion: Cataract is the most frequent eye disease in community dwelling older adults that should be considered at a younger age by health officials to provide preventive programs. Improving accessibility to surgery for the treatment of cataract among the old people will help diminish of untreated cataract that lead to visual impairment.

  1. Emotion, Engagement, and Case Studies

    Science.gov (United States)

    Herreid, Clyde Freeman; Terry, David R.; Lemons, Paula; Armstrong, Norris; Brickman, Peggy; Ribbens, Eric

    2014-01-01

    Three college faculty taught large general biology classes using case studies and personal response systems (clickers). Each instructor taught the same eight cases in two different sections, except the questions within the cases differed. In one section the questions were lower order (LO) factual inquiries, and in the other they were largely…

  2. Study of skin and nail Candida species as a normal flora based on age groups in healthy persons in Tehran-Iran.

    Science.gov (United States)

    Rafat, Z; Hashemi, S J; Ahamdikia, K; Daie Ghazvini, R; Bazvandi, F

    2017-12-01

    The skin is the body's largest organ that hosts heterogeneous inhabitants. Until now, the diversity of the cutaneous microbiome was mainly investigated for bacteria and there is a little information about the skin fungal flora. Also, among skin fungal flora, Candida is found as a main member whose distribution is affected by sex, age, climate. In this study, differences in Candida community structure associated with 9 different skin sites of 238 healthy people during 10 months from July to March 2016, are described. These subjects were divided by age into 4 groups: infants, children, adults and geriatrics. The collected samples were examined by culture on Sabouraud Chloramphenicol Agar and CHROM-agar Candida. For precise identification of species ITS1-5. 8S-ITS2 rDNA regions were sequenced where needed. The frequency of Candida species was significantly different between age groups. The most Candida isolations were related to the elderly age group and the fewest in the infants. C. parapsilosis virtually, was the predominant isolated species in all age groups. This study showed no statistically significant effect of the subject's sex on Candida population resident on human skin surface. Copyright © 2017. Published by Elsevier Masson SAS.

  3. A prospective study on oral manifestations in selective IgA deficient patients in children medical center of Tehran University of Medical Sciences (2000- 2001

    Directory of Open Access Journals (Sweden)

    Pourpak Z.

    2001-09-01

    Full Text Available "nAbstract: IgA selective deficiency is the most common immunodeficiency. The prevalence of it in different races varies from  to . Since secretary IgA has has a defensive role in the mucosal surfaces, supposing is thought that IgA deficiency will be accompanied by oral manifestations. The previous studies showed controversial results about that. The aim of this cohort study was to finding out oral manifestations in IgA- deficient individuals. As s result oral specialists can find the patients in early stages. 11 IgA- deficient patients (with IgA level < 10 mg/dl in serum and 11 normal volunteers with the same age and sex were compared. The ages of the people were between 3 and 18 years old and 5 girls and 6 boys were in each group. Their oral examination included DMFT (Decayed, Missed and Filled Teeth, periodontal condition, Plaque accumulation and oral mucosal lesions. Saliva immunoglobulin and secretary component levels were detected by enzyme- linked immunosorbent assay (ELISA and serum immunoglobulin levels were detected by single radial immunodiffusion (SRID methods. All of the IgA- deficient patients had the serum IgA level < 10 mg/dl and their immunoglobulin levels were normal.  of these patients didn't have SIgA and the rest of them had a little SIgA in their saliva(<  SIgA levels in sex and age matched normal group. IgA deficient patients showed no statistical significant difference about oral manifestations in comparison with normal group. It may be related to the increase of compensatory SIgM or assistance of other non- immunological defense factors in saliva, phagocytosis and cellular immunity. Thus IgA- deficiency cannot produce any oral manifestations as a criteria to diagnose it.

  4. Building theories from case study research: the progressive case study

    NARCIS (Netherlands)

    Steenhuis, H.J.; de Bruijn, E.J.

    2006-01-01

    Meredith (1998) argues for more case and field research studies in the field of operations management. Based on a literature review, we discuss several existing approaches to case studies and their characteristics. These approaches include; the Grounded Theory approach which proposes no prior

  5. Theory Testing Using Case Studies

    DEFF Research Database (Denmark)

    Møller, Ann-Kristina Løkke; Dissing Sørensen, Pernille

    2014-01-01

    The appropriateness of case studies as a tool for theory testing is still a controversial issue, and discussions about the weaknesses of such research designs have previously taken precedence over those about its strengths. The purpose of the paper is to examine and revive the approach of theory...... testing using case studies, including the associated research goal, analysis, and generalisability. We argue that research designs for theory testing using case studies differ from theorybuilding case study research designs because different research projects serve different purposes and follow different...... research paths....

  6. Twelve-Year Cardiovascular and Mortality Risk in Relation to Smoking Habits in Type 2 Diabetic and Non-Diabetic Men: Tehran Lipid and Glucose Study.

    Science.gov (United States)

    Hadaegh, Farzad; Derakhshan, Arash; Mozaffary, Amirhossein; Hasheminia, Mitra; Khalili, Davood; Azizi, Fereidoun

    2016-01-01

    To examine the associations between smoking and cardiovascular disease (CVD) / coronary heart disease (CHD) and all-cause mortality events in men with and without type 2 diabetes (T2D) in a Middle Eastern cohort during a median follow-up of 12 years. The study population included 2230 subjects aged ≥ 40 years, free from CVD, comprised of 367 participants with diabetes (21.2% current smokers) and 1863 without (27.3% current smokers). Multivariate Hazard ratios (HR) and 95% confidence intervals (CI) were calculated for smoking (considering different definitions) for those with and without diabetes. Potential confounding factors including age, body mass index, estimated Glomerular Filtration Rate, hypertension, hypercholesterolemia and educational level were entered in the multivariate analysis. In men with diabetes, the HR (95% CI) of comparing current and non-smokers was 1.25 (0.74-2.12) for incident CHD, 1.52 (0.96-2.40) for CVD and 2.10 (1.27-3.47) for mortality events; the corresponding values for men without diabetes were 1.65 (1.24-2.20), 1.70 (1.30-2.22) and 1.72 (1.14-2.58), respectively (all P values for interactions > 0.46). After pooling past smokers with current smokers, among diabetic individuals there was no significant risk for CVD [1.29 (0.89-1.86)] or mortality events [1.25 (0.81-1.92)]; however, among non-diabetic individuals the HRs of current/past smokers reached significant levels for CVD [1.53 (1.23-1.91)] but not for mortality outcomes (all P values for interactions > 0.51). The strength of the associations between smoking habits and incident CVD/CHD and mortality events from all causes did not differ significantly among diabetic and non-diabetic participants. Therefore, a comprehensive community-based smoking prevention program is important, given the increasing trend of smoking among the Iranian population regardless of diabetes status.

  7. The study of knowledge and attitude of new coming residents in cardiopulmonary resuscitation in Tehran University of Medical Sciences, 1377-78

    Directory of Open Access Journals (Sweden)

    Haj Zeinali AM

    2000-09-01

    Full Text Available Cardiopulmonary resuscitation (CPR is one of the most important skills that every body must know it in medical services. In educational hospitals, the (Newly-arrived residents are in first cell for management of victims, specially in emergency rooms and at nights. Their knowledge and ability for successful CPR have a direct relation with prevalence of total mortality and morbidity. This research has assessed the knowledge and attitude of the new residents about CPR, and for answering to this question: "Is the CPR workshops necessary for all of the new residents in the beginning of their courses". All of the 506 new residents were examined simultaneously in 2 separate years with a questionnaire consist of 50 questions about their CPR secence and skills and 8 questions about their attitude in CPR. These informations were analyzed by SPSS and EPI6 softwares. The mean correct answers were 55%±11.8. The best results were about arrythmias (68.6% and airway management (63.6% and the worst were about IV access (43.1% and pediatric CPR (31.5%. These findings were similar in 2 sequential years. Their knowledge had significant relation with sex (P=0.002, their original university (P=0.031, their residency course (P=0.024 and their residency reception scores (P<0.001. Males and knowledge more than females. The max scores were from Kerman (62% and Beheshti universities (60.5% and the min score were from Hamadan (48% and Kashan universities (37%. The orthopedic (62.5% and urologic residents (61.6% had the most knowledge and the gynecology residents (53.8% had the least. The knowledge had no relation with the time of graduation. About their attitude in CPR: Their knowledge was moderate (65.8%, their abilities was moderate (58% and their education about CPR in MD course had been low (51.5%. Their references for education had been individual studies (74.6%, CPR workshop had not been condected in the most universities (92.7%. knowledge about CPR is low (55

  8. Capital Market Research in Accounting: Evidence from The Tehran Stock Exchange

    OpenAIRE

    Mohammad Namazi; Amin Nazemi; Mohamat Sabri Hassan

    2009-01-01

    The major purpose of this study is to classify and analyse capital market research conducted in the Tehran Stock Exchange Market (TSEM). Similar to Namazi and Nazemi’s (2005) review of Finance Studies on the TSEM in 1991–2003, we review, classify and analyse the significant Accounting Studies related to the TSEM. Consequently, by both employing content analysis and archival methodology and considering academic accounting courses and programs established by the Ministry of Science, Researc...

  9. Correlation between dmft, Diet and Social Factors in Primary School Children of Tehran-Iran in 2009-2010

    OpenAIRE

    Mozhgan Faezi; Sareh Farhadi; Hossein NikKerdar

    2012-01-01

    Introduction: One of the factors that can affect dental caries is the type of diet. So, this study was designed to evaluate the correlation between diet, social factors and dmft in primary school children of Tehran in 2009 and 2010.Materials & Methods: Eight handred and twenty primary school children of 6-12 years old (boys and girls) in Tehran were randomly selected in this descriptive study and after filling out the forms, underwent dental examinations. The data were analyzed by chi-square ...

  10. Theory testing using case studies

    DEFF Research Database (Denmark)

    Dissing Sørensen, Pernille; Løkke Nielsen, Ann-Kristina

    2006-01-01

    on the strengths of theory-testing case studies. We specify research paths associated with theory testing in case studies and present a coherent argument for the logic of theoretical development and refinement using case studies. We emphasize different uses of rival explanations and their implications for research...... design. Finally, we discuss the epistemological logic, i.e., the value to larger research programmes, of such studies and, following Lakatos, conclude that the value of theory-testing case studies lies beyond naïve falsification and in their contribution to developing research programmes in a progressive......Case studies may have different research goals. One such goal is the testing of small-scale and middle-range theories. Theory testing refers to the critical examination, observation, and evaluation of the 'why' and 'how' of a specified phenomenon in a particular setting. In this paper, we focus...

  11. Towards a reliable seismic microzonation in Tehran, Iran

    International Nuclear Information System (INIS)

    Hamzehloo, H.; Vaccari, F.; Panza, G.F.

    2006-12-01

    A hybrid method for the calculation of realistic synthetic seismograms in laterally heterogeneous, anelastic media has been used to model the ground motion in Tehran city. The synthetic records compare reasonably well with the observed ground motion due to the 2004 Firozabad Kojor earthquake located 60 km north of Tehran. The ratio between the response spectrum for the signals calculated along a laterally varying structure, Sa(2D), and that for the signals at the bedrock regional reference structure, Sa(1D), shows a high amplification of seismic waves in Tehran. The procedure can be readily implemented for the entire Tehran city, which experienced large historical earthquakes in the past, simply by extending the analysis, made so far, in space and to different scenario earthquakes, consistent with the local and regional tectonics. (author)

  12. Assessing Anxiety, Depression and Psychological Wellbeing Status of Urban Elderly Under Represent of Tehran Metropolitan City

    Directory of Open Access Journals (Sweden)

    Mahtab Alizadeh

    2012-10-01

    Full Text Available Objectives: the present study describes assessing mental health status (anxiety, depression, and psychological wellbeing of old people in different age groups in tehran metropolitan city. The outcomes of this study could help to health policy makers to develop of better health policy in gerontology field by determine of priorities of mental care in different age groups of old people. Methods & Materials: this was a cross sectional study in 2010. The participants were (n=402 aged 60 years old and over which have underrepresented from Shahid Beheshti University. The survey methods were via face-to-face interviews, and just in a few cases as telephone interviews. The instrument to data collection included demographic questionnaire, k6 and yeild tools. Data analyzed by Stata and SPSS ver.15 through t-test, one-way anova. Regression models applied as well. Results: based on results in the past 4 weeks,10.9% of elderly had sever anxiety or depression symptoms and about half of them (46.5% had moderate psychological distress. The rate of psychological distress increased with age growing, specifically in 60- 79 years old however, this rate declined from age of 80 years and over. Psychological distress levels among elderly women were more than old men in all age groups, except of 60-69 years old people. Regarding psychological wellbeing, feeling of tireless, lone less, and depression are the most common complain of house dowelling old people in tehran metropolitan area. As the results show 43.1% elderly participants were in moderate level and 17% of them were in the bad level of psychological wellbeing. Based on regression model, sex (P=0.012, housing (P=0.004, and retirement salary (P=0.048 were significant variables that effect on psychological distress. The income rate was only important component that effect on psychological wellbeing of elderly participants. There was no significant different between aged groups 60-64 and 65-69 in psychological

  13. Fuzzy-Set Case Studies

    Science.gov (United States)

    Mikkelsen, Kim Sass

    2017-01-01

    Contemporary case studies rely on verbal arguments and set theory to build or evaluate theoretical claims. While existing procedures excel in the use of qualitative information (information about kind), they ignore quantitative information (information about degree) at central points of the analysis. Effectively, contemporary case studies rely on…

  14. Methodology for the case studies

    NARCIS (Netherlands)

    Smits, M.J.W.; Woltjer, G.B.

    2017-01-01

    This document is about the methodology and selection of the case studies. It is meant as a guideline for the case studies, and together with the other reports in this work package can be a source of inform ation for policy officers, interest groups and researchers evaluating or performing impact

  15. How customer satisfaction changes behavior: A case study of banking industry

    Directory of Open Access Journals (Sweden)

    Hossein Vazifedoost

    2013-06-01

    Full Text Available An increase on competition industry from one side and the need for customer retention on the other side in banking industry create necessary motivation to learn more about customer behavior. This paper investigated the relationship between seven perspectives of banking services and customers’ attitude towards changing behavior. The seven perspectives included how bank employees’ treat customers, service prices, how to promote and market synergies, place and time to serve customers, products, equipment and process. The proposed study was implemented in two Iranian banks called Mellat and Tejarat in city of Tehran, Iran. The results indicated that all components except one case, which was “how to promote and market synergies” had meaningful and negative relationship with customer behavior.

  16. Case study - Argentina

    International Nuclear Information System (INIS)

    Diaz, E.

    1986-01-01

    Antecedents and experience of nuclear activities in Argentina; the Atomic Energy Commission (CNEA). First development and research activities. Research reactors and radioisotopes plants. Health physics and safety regulations. - Feasibility studies for the first nuclear power plant. Awarding the first plant CNA I (Atucha I). Relevant data related to the different project stages. Plant performance. - Feasibility study for the second nuclear power plant. Awarding the second plant CNE (Central Nuclear Embalse). Relevant data related to established targets. Differences compared with the first station targets. Local participation. Plant performance. (orig./GL)

  17. The Incidence of Nosocomial Toxigenic Clostridium difficile Associated Diarrhea in Tehran Tertiary Medical Centers

    Directory of Open Access Journals (Sweden)

    Norakhoda Sadeghifard

    2010-10-01

    Full Text Available Clostridium difficile is the most common cause of nosocomial diarrhea. It is usually a consequence of antibiotic treatment, But sporadic cases can occur. This study was aimed to determine the frequency of the nosocomial Clostridium difficile (C. difficile associated diarrhea in Tehran University of Medical Sciences hospitals and study of antibacterial susceptibility of isolates. In this study a total of 942 stool samples from patients with nosocomial diarrhea that were hospitalized in Imam Khomeini hospital, Shariati hospital and Children clinical center were collected. The samples were cultured on a selective cycloserine cefoxitin fructose agar (CCFA and incubated in anaerobic conditions, at 37°C for 5 days. Isolates were characterized to species level by conventional biochemical tests. Bacterial cytotoxicity was assayed on tissue culture (vero. Antimicrobial sensitivity of isolated toxigenic C. difficile were investigated by kirby Beuer method (disk diffusion. Our findings show that, of the total patients, 57 toxigenic C. difficile (6.1% were isolated. Results of statistical analysis show significant differences between the rate of isolated toxigenic C. difficile and age group of patients (P

  18. Neonatal Screening for Congenital Hypothyroidism in an University Hospital in Tehran, Iran

    Directory of Open Access Journals (Sweden)

    Najafian

    2016-05-01

    Full Text Available Background The national program of neonatal screening was performed in 2005 in Iran. According to the studies, the outbreak of congenital hypothyroidism (CH was one in every 670 live births in 2011. The prevalence of the disease in the world is 1 in 3000. The mean prevalence of this disease in Iran is estimated to be 1 in 1,000, which indicates a high prevalence of the disease in Iran. Objectives This study was conducted to investigate the prevalence of congenital hypothyroidism among neonates in the Najmiyeh hospital in Tehran, Iran. Patients and Methods This cross-sectional study was conducted from 2011 to 2014. Most heel blood samples were taken between three and seven days of birth. Thyroid stimulating hormone (TSH was tested using the enzyme-linked immunosorbent assay method. Neonates with abnormal screening results (TSH > 10 mIU/L, Free T4 < 1.6 mg/dL were re-examined. Data were analyzed using the SPSS software. Results A total of 11427 infants were screened. Of 399 re-called subjects (re-call rate = 3%, 57 cases were detected with CH, a CH prevalence of 1:200 (the female:male ratio of 1:1.5. Conclusions The prevalence of CH in our center is high. These results emphasize the importance of the congenital screening program.

  19. The Association Between Parental Behavior Patterns and the Dietary Intake of Preschool Children in Tehran Kindergartens

    OpenAIRE

    Maryam Pazuki; Majid Hajifaraji; Morvarid Nikoosokhan; Anahita Houshyarrad; Taghi Pourebrahim; Bahram Rashidkhani

    2014-01-01

    Background and Objectives: This study was designed to investigate the association between parental behavior and the dietary intake of Tehranian preschool children aged 2-6 years. Materials and Methods: In a cross-sectional study conducted on 310 children aged 2-6 years from the kindergartens of 22 districts of Tehran, a qualitative validated 85-item food frequency questionnaire was completed by interviewing with their parents. Also the effect of parental behavior on the children’s dietary ...

  20. Case Study: Shiraz Women

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    Bijan Khajehnoori

    2011-04-01

    Full Text Available This study investigated the relationship between lifestyle which seems as a scale of globalization process with body image. Required data was collected by systematic random sampling among 508 women in Shiraz. Based on existing theories and studies theoretical framework has constituted based on Giddens theory. Six hypotheses have been established. For collecting information, survey method and self reported questionnaire were used. In data analysis and explanation, multiple regression and unilateral dispersion analyses were used. The result showed that among effective factors on body image, modern musical lifestyle, religious' lifestyle, leisure lifestyle and participative lifestyle explained 23 percent of variations of body image. Among these variables, only religious lifestyle had negative relationship with body image and other variables had positive relationship with dependant variable.

  1. Centrifugal compressor case study

    Energy Technology Data Exchange (ETDEWEB)

    Eckert, B.

    2010-10-15

    Three centrifugal compressors at a pipeline station were retrofitted with higher head impellers in 2008. The owners of the station experienced vibration problems over the following 2 years that caused transmitter and position failures that were assumed to be flow-induced pulsations. A vibration and pulsation analysis indicated that the shell mode piping vibration excited by the blade pass pulsation was responsible for the failures. This study outlined factors that contributed to the vibration problem. Interferences between the compressor and shell mode piping natural frequencies were predicted, and potential excitation sources were examined. The study demonstrated how centrifugal vibration analyses can be used during the design phase to avoid costly adjustments. Recommendations included the addition of stiffeners to alter the shell modes, and the addition of constrained layer damping material to reduce resonant responses. 2 refs., 1 tab., 12 figs.

  2. Case study: Tourism marketing

    OpenAIRE

    Kennell, James

    2014-01-01

    Tourism can be a challenging subject for students because it is both dynamic and susceptible to economic turbulence and shifts in trends. Tourism: A Modern Synthesis is an essential textbook for tourism students looking for a clear and comprehensive introduction to their studies which helps overcome these challenges. The authors apply a strong business approach to the subject reflecting developments in the teaching and content of modern courses and the text covers both key principles and cont...

  3. Child safety in parks' playgrounds (a case study in Tehran’s sub-district parks

    Directory of Open Access Journals (Sweden)

    A.H. Mirlouhi Falavarjani

    2010-10-01

    Full Text Available Background and aimsSafety is a complex concept and multidisciplinary science which is included some difference areas from industrial sectors to urban public arenas. Parks and playgrounds as important public places should be considered in terms of health and safety, especially for kids as prominent social vulnerable citizens. According to CPSC, 147 deaths havebeen reported for under 15 year old child during Jan 1990 to Aug 2000. Every 2.5 minute, kid suffers playground related accident. The main objective in this study is safety assessment ofplaygrounds among the selected parks.MethodsIn this case study, deductive approach and cross-sectional survey was followed, and some parks and playgrounds were selected among five urban counties in Tehran. Our volunteered samples were 160 parents. Playgrounds and related equipment were assessed in terms of safety, as well.ResultsOur findings show that more than 68% of playground equipment might create hazardous condition for kids. Lack of sustain maintenance for both of equipment and playground surface make some risky area for the mentioned group. Statistical analysis by SPSSWin 13 showed that more than 78 % of parents are worry about their child in terms of playground safetyproblems. Safety assessment of swings and slides showed that there are safety based problems in 89% of cases. Due to statistical reports of Tehran Emergency center, 10-12 and 8-10 year old kids suffer play based accident more than others. Reported traumas showed that face and skull and then feet suffered mechanical injury more than other limbs.ConclusionSurely, safety and health considerations are known as Municipality responsibilities, so for safety improvement in parks an integration safety system should be happened. HSE_MS seems a reliable approach for the mention goal. For improvement of exist parks and playground some related standard should be follows such as CPSC standards, EN 1176, and EN 1177. Also anthropometric data development

  4. Theorizing the Process of Leaving a Violent Marriage and Getting a Divorce in Tehran.

    Science.gov (United States)

    Nikparvar, Fatemeh; Stith, Sandra; Myers-Bowman, Karen; Akbarzadeh, Mojgan; Daneshpour, Manijeh

    2017-12-01

    This study utilized qualitative methods to develop a theory regarding the process used by Tehranian women who leave violent marriages to get a divorce. Findings from semistructured, in-depth interviews with nine women in Tehran who left their abusive husbands suggested that there are six stages in this process: "denial," "using cognitive and internal strategies to save marriage," "using behavioral and external strategies to save marriage," "seeking power to end violence," "preparation to leave marriage," and "termination" stage. The implications of this study help therapists working with women in Tehran who are living in violent marriages and provide effective prevention and intervention services that are appropriately targeted to the specific needs of Iranian women.

  5. Concurrent outbreak of Newcastle disease and Trichomoniasis in pigeons of Tehran

    Directory of Open Access Journals (Sweden)

    nariman sheykhi

    2014-08-01

    Full Text Available Newcastle disease is the most important viral disease that affected pigeons. The disease is characterized by sudden onset of anorexia and neurological symptoms in pigeon. Trichomonas gallinae causes trichomoniasis of pigeons in the upper gastrointestinal tract and the respiratory system. The symptoms of this disease include yellowish green fetid discharge from the mouth, diarrhea, emaciation, severe weakness and death. In the first 6 months of 1392, from a total of 32      suspicious cases from Tehran and its surrounding, swab samples of the mouth, pharynx and larynx of birds were prepared. The samples were studied for trichomonas infection. At necropsy, foci of white to cream color in the oral mucosa, pharynx, larynx and pharyngeal and tracheal mucous congestion associated with the presence of fetid fluid in the crop were observed. Also, general congestion of the carcass, urate deposition in the ureters, and the emptiness gastrointestinal tract was observed. For detection of Newcastle disease virus (NDV, samples of the trachea and spleen were collected and RT-PCR experiments were performed on the samples. Trichomonas was observed in the samples under the microscope. All of the 19 samples studied were considered positive to the presence of high virulence strain of the virus. Metronidazole and supportive therapies were used for treatment. Adherence to the principles of biosecurity, treatment or removal of trichomoniasis infected birds, and annual Newcastle disease vaccine are essential for the prevention of concurrent outbreak of these two diseases.

  6. Case Study: Derechos Digitales

    Directory of Open Access Journals (Sweden)

    Cameron Neylon

    2017-10-01

    Full Text Available Derechos Digitales is a Latin American advocacy and research network focussed on freedom on the internet, privacy and copyright reform. For the pilot project a specific IDRC funded project was the notional focus of study. However in practice the effort for considering data sharing was aimed at being organisation wide. The organisation already shares reports and other resources (particularly images and infographics by default. While open data was described as being “in the DNA of the organisation” there was little practice across the network of sharing preliminary and in-process materials. Some aspects of data collection on research projects, particularly to do with copyright and legal issues, have significant privacy issues and as the organisation focuses on privacy as one of its advocacy areas this is taken very seriously. Many materials from research projects are not placed online at all. Derechos Digitales run distributed projects and this creates challenges for consistent management. Alongside this the main contact at DD changed during the course of the pilot. This exchange exemplified the challenges of maintaining organisational systems and awareness through a personnel change.

  7. Prevalence of HCV, HBV, and HIV Seropositivity among Cadavers Referred to Autopsy Hall of Legal Medicine Bureau of Tehran, Iran

    Directory of Open Access Journals (Sweden)

    Jaber Gharehdaghi

    2017-01-01

    Full Text Available A large number of dead bodies are referred to forensic autopsy halls for medicolegal examination. They can be a source of transmission of infectious diseases through direct contact or autopsy tools. The main aim of this study was to estimate the virus infection rates in the dead bodies. One thousand consecutive dead bodies that had been referred to autopsy hall of Legal Medicine Bureau of Tehran, Iran, during 2016, were included. The blood samples were analyzed in the laboratory for detection of HBs Ag, HBs Ab, HIV Ab, and HCV Ab, after providing informed consent from legal next of kin of the dead bodies. The general characteristics of the dead bodies were also collected by a checklist. Forty-seven cases of HIV seropositivity, 80 cases of HBs Ag seropositivity, and 97 cases for HCV Ab seropositivity were found. Among them, 27 cases of HIV, 40 cases of anti-HBC positive, and 94 cases of RIBA testing positive for HCV were proved through confirmatory tests. In other words, 2.6% of the dead bodies were infected with HIV, 3.8% with HBV, and 9% with HCV. The total infection rate was 15.5%. This is a worrying risk for pathologist and autopsy technicians.

  8. Prevalence of HCV, HBV, and HIV Seropositivity among Cadavers Referred to Autopsy Hall of Legal Medicine Bureau of Tehran, Iran.

    Science.gov (United States)

    Gharehdaghi, Jaber; Abedi Khorasgani, Mohammad Hassan; Ghadiani, Mohammad Hassan; Kazemifar, Amir Mohammad; Solhi, Hassan; Solhi, Sadra

    2017-01-01

    A large number of dead bodies are referred to forensic autopsy halls for medicolegal examination. They can be a source of transmission of infectious diseases through direct contact or autopsy tools. The main aim of this study was to estimate the virus infection rates in the dead bodies. One thousand consecutive dead bodies that had been referred to autopsy hall of Legal Medicine Bureau of Tehran, Iran, during 2016, were included. The blood samples were analyzed in the laboratory for detection of HBs Ag, HBs Ab, HIV Ab, and HCV Ab, after providing informed consent from legal next of kin of the dead bodies. The general characteristics of the dead bodies were also collected by a checklist. Forty-seven cases of HIV seropositivity, 80 cases of HBs Ag seropositivity, and 97 cases for HCV Ab seropositivity were found. Among them, 27 cases of HIV, 40 cases of anti-HBC positive, and 94 cases of RIBA testing positive for HCV were proved through confirmatory tests. In other words, 2.6% of the dead bodies were infected with HIV, 3.8% with HBV, and 9% with HCV. The total infection rate was 15.5%. This is a worrying risk for pathologist and autopsy technicians.

  9. Case study: Khoramdareh County

    Directory of Open Access Journals (Sweden)

    Vahid Riahi Riahi

    2016-10-01

    Full Text Available Environmental sustainability of rural settlements based on a systematic viewpoint may be defined as a realization of sustainable development in different social, economic and environmental aspects of rural areas. Achieving this goal requires that we pay more attention to effective elements and factors through a set of sustainability indices. This research was meant to analyze sustainable factors of rural settlement in three dimensions: environmental, social and economic context using multi-criteria decision analysis and explanation of the relationships between its active and effective factors in the rural area of the Khorramdarreh County in the province of Zanjan. The research method used is the descriptive analytic approach. Data from 287 households were sampled randomly from a total of 1143 households in the four villages including: Rahmat Abad, Alvand, Baghdareh and, Sukhariz (out of 15 villages in the Khorramdarreh County. In the process of doing this research and after calculating the weights, the difference in the sustainability of environmental, social, economic and physical aspects in rural areas of this county have been determined. Data was collected using library and field research through questionnaires. Data analysis was performed by the One-Sample t Test and the Vikur and path analysis techniques, using statistical software SPSS. The findings show that environmental sustainability in the study area is half desirable. Among the different aspects of environmental sustainability, the most effective factors are physical, economic, social and environmental aspects, respectively. Little attention of policy-making –system to socio-cultural and environmental aspects, especially in practice, and rapid and unplanned utilization of production resources are the most important factors affecting this situation in two given dimensions. Although, in programmed documents the planning system agents emphasize on the socio-cultural sustainability

  10. Behavioral Problems in Iranian Epileptic Children; A Case Control Study

    Directory of Open Access Journals (Sweden)

    Maryam Aludari

    2017-12-01

    Full Text Available Background Epilepsy is among the most common neurological disorders in childhood, prevalence of which is increasing. Unpredictable and chronic nature of the disease affects physical, social and mental functions of the children and their family. This study was aimed to compare behavioral problems in epileptic children group versus healthy control group. Materials and Methods This study is a case-control one conducted from January 2013 to June 2016 in Tehran, Iran. The epileptic children in age of 7-10 years old that were diagnosed by neurologist referred to the researcher for further process. Their parents were provided with Child Behavior Checklist (CBCL to be completed. For matching by age and gender, the healthy group was sampled after the epilepsy group. Multivariate Analysis of Variance was used for statistical analysis. Results In this study 94 children with epilepsy and 83 healthy children in age of 7-10 years old were studied. The results indicated that there were significantly higher behavioral problems in the children with epilepsy than in control group in nine categories of seclusiveness, physical complaints, anxiety and depression, social problems, thought problems, attention problems, delinquent behaviors, aggressive behaviors, and other problems. Comparison of two generalized and partial epilepsy groups indicated that there was a significant difference only in attention problems (p = 0.024. Conclusion The present study indicates that the children with epilepsy have more behavioral problems as compared to control group. Therefore, educational and psychological interventions are necessary for supporting desirable psychosocial growth and development of such children.

  11. Occurrence of Foodborne Pathogens in Chickens Sandwiches Distributed in Different Supermarkets of Tehran Province, Iran

    OpenAIRE

    Zohreh Mashak; Hamidreza Sodagari; Behrooz Moraadi; Ashkan Ilkhanipour

    2014-01-01

    Background: Increasing urbanization, immigration and tourism has changed the human lifestyle. This modern lifestyle has demanded safety, quality, and fast availability of ready to eat (RTE) foods like chicken sandwiches. Objectives: For presentation of proper solutions regarding food safety, identification of pathogens in different foods is necessary. Therefore, the present study was carried out to assess the microbiological quality of chicken sandwiches distributed in Tehran provinc...

  12. An investigation on how to estimate future cash flows: Evidence from Tehran Stock Exchange

    OpenAIRE

    Roghayeh Ahmdi Panah Banad Koki; Iman Jokar

    2014-01-01

    This paper presents an empirical investigation to predict future cash flows using present cash flow and accruals using the information of 96 selected firms listed on Tehran Stock Exchange over the period 2007-2011. The proposed study uses linear regression techniques to forecast future cash flow and the results indicate that cash flow and accruals together could provide more power to forecast cash flow. In addition, accrual provides future cash flow better than cash flow. The survey also perf...

  13. Quality of Life, Motor Ability, and Weight Status among School-aged Children of Tehran

    OpenAIRE

    Khodaverdi, F; Bahram, A; Jafarabadi, M Asghari

    2012-01-01

    Background: This study aimed to investigate the relationship between health Related quality of life (HRQOL), motor ability and weight status in children. Methods: Two hundred forty children ages 9–11 yr who were selected via multi stage cluster sampling design from primary schools in the Shahre Qods at Tehran, Iran in 2007. HRQOL was assessed by the pediatric quality of life inventory (PedsQL). Motor abilities were determined by a Basic Motor Ability Test (BMAT). Body mass index was calculate...

  14. Development of new citizenship HSE model for schools and kindergartens of Tehran Metropolitan City

    Directory of Open Access Journals (Sweden)

    A.R. Karbassi

    2016-01-01

    Full Text Available Today many of wide scope and famous organizations design and develop HSE models to achieve a more suitable HSE management system for their own purposes. To implement such models some requirements should be considered in line with defined goals and missions. The present study was carried out in order to achieve the HSE management system for children and adolescents in education and training centers. This study was conducted in two phases, namely identification and assessment/ documentation. The study was carried out in districts one, four, six, seven and eight of Tehran municipality during eighteen months. The employer was Tehran Shahr-e-salem Company (Healthy City and the contractor was the faculty of environment, University of Tehran. As the final result of study, based on initial data and by holding brainstorming meetings, the final citizenship HSE model was constructed in five panels: Management responsibility and commitment, Infrastructures and resources management and documentation, Planning, HSE operations management and Monitoring, analysis and improvement. This model was designed by consideration of existing capacities and with the goal of being responsive to all stakeholders (service provider, recipients of services and others.

  15. An investigation on how to estimate future cash flows: Evidence from Tehran Stock Exchange

    Directory of Open Access Journals (Sweden)

    Roghayeh Ahmdi Panah Banad Koki

    2014-03-01

    Full Text Available This paper presents an empirical investigation to predict future cash flows using present cash flow and accruals using the information of 96 selected firms listed on Tehran Stock Exchange over the period 2007-2011. The proposed study uses linear regression techniques to forecast future cash flow and the results indicate that cash flow and accruals together could provide more power to forecast cash flow. In addition, accrual provides future cash flow better than cash flow. The survey also performs an investigation on discretionary accrual and finds that the firms with higher accruals maintain lower return compared with firms with lower return. This means there is a clear evidence of discretionary accruals on Tehran Stock Exchange.

  16. Evaluating citizen attitudes and participation in solid waste management in Tehran, Iran.

    Science.gov (United States)

    Nasrabadi, Touraj; Hoveidi, Hassan; Bidhendi, Gholamreza Nabi; Yavari, Ahmad Reza; Mohammadnejad, Shahin

    2008-12-01

    Recently, increasing attention has been paid to the environmental impact of solid waste in Iran. Consequently, solid waste management has become a remarkably important issue. Solid waste comprises a wide range of materials and comes from a variety of sources. Having a population of about 10 million (about 1/7 of Iran's total population), Tehran is among the most populated capitals in the world. With 22 different districts, this city generates approximately 7,000 metric tons of municipal waste per day that culminates in a total of 2.5 million tons annually. If no reduction strategy on the waste stream is implemented, this huge amount of waste will be buried in Kahrizak (the exclusive landfill site of Tehran). Land and underground water resource degradation in the vicinity of the landfill site-as well as disease outbreaks in the area surrounding the site may be considered alarming warnings for further catastrophic consequences of uncontrolled waste dumping. In this study, the composition of Tehran's solid wastes is analyzed. In order to physically analyze waste generated, waste sampling was carried out by trained workers of the Tehran organization of waste recycling and compost in 2004 for 10 successive days in the middle of each of four seasons. As a result of the study, some practical recommendations are made to reduce the waste stream load directed toward the land. Furthermore, this study evaluated people's concern about the fate of the waste they generate. According to the data collected in a survey, citizens' participation is not remarkably high, but even the modest cooperation recorded may cause a great benefit if extrapolated to the whole city. By virtue of sharp decreases in the cost of total waste collection and transport, as well as the benefits of land and underground water resource preservation, separation of wastes at their source by individual households makes economic sense.

  17. Design of emergency shutdown system for the Tehran Research Reactor; Part I: Neutronics investigation

    International Nuclear Information System (INIS)

    Safarinia, M.; Faghihi, F.; Mirvakili, S.M.; Fakhraei, A.

    2017-01-01

    Highlights: • An emergency shutdown system for the TRR is carried out based on a heavy water tank. • The performance of the heavy water tank are carried out based on “first and equilibrium cores”. • Heavy water discharging flow rate is also studied in the current research. • Thermal flux in the radioisotope channel with and without the heavy water tank are studied. • A core with and without the heavy water tank for the cases of 5 × 6, 5 × 5, 5 × 4, and 4 × 4 fuel assemblies are investigated (for two types of fuel loading—first and equilibrium cores). - Abstract: In this paper, a neutronics design of the secondary (i.e., emergency) shutdown system for the Tehran Research Reactor (TRR) is carried out based on a heavy water tank design. The heavy water tank in a cylindrical shape is around the core, and calculations for the optimized radius and height of the tank are performed. The performance of the heavy water tank calculations are carried out based on two types of fuel loading, which are called the “first and equilibrium cores” of the TRR. For both cases, neutronics and standard safety analysis are taken into account, benchmarked, and described herein. Heavy water discharging flow rate is also studied in the current research, and the results are compared with the IAEA criteria. Moreover, thermal flux in the radioisotope channel with and without the heavy water tank (as the reflector) are studied herein. Specifically, a core with and without the heavy water tank for the cases of 5 × 6, 5 × 5, 5 × 4, and 4 × 4 fuel assemblies are investigated (for two types of fuel loading—first and equilibrium cores). Based on our optimization, the 5 × 5 fuel assembly, which is called “B configuration,” has better performance and efficiency than that of the other described layouts.

  18. Relationship between Food Security with Sugar Level and Blood Pressure in Diabetes Type 2 in Tehran.

    Science.gov (United States)

    Moghadam, Seyed Amir Hossein Zehni; Javadi, Maryam; Mohammadpooral, Asghar

    2016-12-01

    Food security has been defined as the "availability, stability, access and utilization of safe foods". Diabetes has been known as one of the biggest health and medical problems throughout the world and is clearly related to lifestyle, and particularly, improper food consumption. The aim of this study was to determine the relationship between food security with sugar and blood pressure in patients suffering from type 2 diabetes who refer to diabetes centers in Tehran. This cross-sectional study was conducted in 2015 on type 2 diabetes patients in Tehran, Iran. From two diabetes centers in the eastern and southern parts of Tehran, 243 type 2 diabetes patients were selected. Necessary information (demographic and food security information) about all the studied persons was collected using the standard questionnaire verified by US Department of Agriculture (USDA). The data was analyzed by SPSS version 16, statistical comparisons were made using analysis of variance (ANOVA) and Chi-square and Tukey tests and a significant level of food security (p=0.372). No significant relation was observed between food security and fasting blood pressure, HbA1C, and systolic blood pressure (p>0.05), but there was a significant relationship between food security and diastolic blood pressure (p= 0.030). According to the relationship between diastolic blood pressure and food security and the role of blood pressure in the irreparable diabetic complications, it is recommended to perform appropriate food advice.

  19. The Relationship between Organizational Citizenship Behavior and Organizational Commitment in Welfare Staff (Tehran 2013

    Directory of Open Access Journals (Sweden)

    Asghar Makarem

    2015-04-01

    Full Text Available Objective: The purpose of this study was to investigate the relationship between organizational citizenship behavior, organizational commitment and its dimensions on the Welfare staff in Tehran 2013. Materials & Methods: In this cross - sectional study, one hundred eight staff of Tehran Welfare were selected by random sample, and the sample size of the previous studies. Data were collected using two standard questionnaires OCB, and Organizational Commitment, which includes the three dimensions, affective commitment, normative commitment and continuance commitment and analyzed by statistical methods such as: Pearson correlation coefficient and ANOVA. Results: The finding showed Between OCB and organizational commitment there was significant and positive correlation (P&le0.01, r=0.325. Also the dimensions of organizational commitment: affective commitment and normative commitment have a significant positive relationship with OCB, but not significant relationship OCB with a continuous commitment. ANOVA results showed that the average OCB in age, type of employment and employee experience is different. And Continuous commitment in hiring employees is different and emotional commitment in Background employees is different. Conclusion: Based on the findings we conclude that the enhancement of organizational citizenship behavior, organizational commitment and staff of Tehran can be increased.

  20. Case studies of uncommon headaches.

    Science.gov (United States)

    Evans, Randolph W

    2006-05-01

    The following interesting and uncommon headache disorders are presented through case studies: exploding head syndrome, hypnic headache, neck-tongue syndrome, "Alice in Wonderland" syndrome, nummular headache, red ear syndrome, burning mouth syndrome, spontaneous intracranial hypotension syndrome, and cardiac cephalalgia.

  1. HYDROGEOLOGIC CASE STUDIES (DENVER PRESENTATION)

    Science.gov (United States)

    Hydrogeology is the foundation of subsurface site characterization for evaluations of monitored natural attenuation (MNA). Three case studies are presented. Examples of the potentially detrimental effects of drilling additives on ground-water samples from monitoring wells are d...

  2. HYDROGEOLOGIC CASE STUDIES (CHICAGO, IL)

    Science.gov (United States)

    Hydrogeology is the foundation of subsurface site characterization for evaluations of monitored natural attenuation (MNA). Three case studies are presented. Examples of the potentially detrimental effects of drilling additives on ground-water samples from monitoring wells are d...

  3. Hydrogeologic Case Studies (Seattle, WA)

    Science.gov (United States)

    Hydrogeology is the foundation of subsurface site characterization for evaluations of monitored natural attenuation (MNA). Three case studies are presented. Examples of the potentially detrimental effects of drilling additives on ground-water samples from monitoring wells are d...

  4. a case study ondo state

    African Journals Online (AJOL)

    user

    the design of a Government Cloud (G-Cloud) network for Ondo State Government which will ... network for a developing economy; a case study of ... France is one of those countries that favour .... Arequipa city. .... Where region 0 = Akure, 1 =.

  5. Design of neutron 'fluse-trop' in Tehran Research Reactor

    International Nuclear Information System (INIS)

    Khalafi, H.

    1999-01-01

    In this project, a Neutron Flux-Trap intended for 5MW Tehran Research Reactor was designed. Fuel conversion from HEU to LEU in research reactors usually deprives the core from the high neutron flux. Therefore one has to look for a remedy in such situations otherwise radioisotope production, especially for those neutron demanding ones, falls down dramatically. The initiations of Neutron Flux-Trap idea comes true to face up this problem and provide an appropriate place inside or outside the core with sufficient neutron flux higher than the normal average level. To implement such a design, a number of codes and calculational tools have been used. At preliminary stage, WIMSD and EXTERMINATOR-II were used and then at later stages CITATION and MCNP codes were used for final design. Furthermore, SAND-II and ORIGEN were also employed for spectral analysis and radioisotope production calculations. Good agreements resulted with experiments and especially the case that Neutron Flux-Trap filled with ordinary water

  6. Conjugated Linoleic Acid Stimulates Apoptosis in RH and Tehran Strains of Toxoplasma gondii, in Vitro.

    Directory of Open Access Journals (Sweden)

    Jebreil Shamseddin

    2015-06-01

    Full Text Available The aim of this study was to evaluate the effects of conjugated linoleic acid (CLA on apoptosis of tachyzoites of T. gondii, RH strain (type I and the cyst-forming Tehran strain (type II in vitro.Toxoplasma strains were injected into the peritoneal cavity of BALB/c mice. The Tehran strain forms cysts in the brain of mice. Bradyzoites within the cysts are reactivated to proliferative tachyzoites, by dexamethasone. Tachyzoites were aspirated from the peritoneum of infected mice, and the percentage of viable parasites was estimated with trypan blue staining. Tachyzoites were inoculated into HeLa cells cultivated in DMEM medium. Different concentrations of CLA were evaluated on T. gondii in HeLa cells by the tetrazolium (MTT colorimetric assay. Differentiation between apoptosis and cell death was determined by flow cytometry using Annexin V and propidium iodide (PI double staining. The statistical analysis performed by GraphPad Prism version 6.00.CLA induces apoptosis in virulent (RH and avirulent (Tehran strains of T. gondii. The results of MTT indicated that CLA could decrease the proliferation of tachyzoites of both strains in HeLa cells.Conjugated linoleic acid has anti-toxoplasmacidal activity on tachyzoites of T. gondii. Therefore, we recommended further studies on this component in order to achieve a new drug against the parasite.

  7. Needlesticks and Sharps Injuries Among the Personnel of Baharlou Hospital in Tehran, Iran

    Directory of Open Access Journals (Sweden)

    Izadi

    2015-10-01

    Full Text Available Background The prevalence and incidence of needlesticks and sharps injuries (NSSIs have not been well documented in Iran. In most previous studies, the data were obtained through anonymous, self-reporting questionnaires, which are subjected to bias. Objectives The focus of this study was to investigate the frequency and causes of NSSIs among health care workers (HCWs in collaboration with an occupational health office and to compare these data with related previous studies. Patients and Methods In this cross-sectional study, all HCWs exposed to NSSIs in Baharlou Hospital, Tehran, Iran, were included. Among 309 studied cases, 83 HCWs who were directly exposed to NSSIs were enrolled in this study. Results The case incidence of NSSIs was 26.86% (83.309. Of all the occupational groups, the nurses had the highest rate of NSSI incidence (63.9%, n = 53.83. Moreover, the incidence rate of NSSIs in the HCWs on rotational shift work (90.4% was higher than that among their counterparts on fixed shift work (9.6%, with the latter chiefly employed on night shift (90.4%, n = 75. NSSIs (83.1%, followed by splash (16.9%, were the most common method of exposure. Conclusions This study confirmed a relatively high incidence of NSSIs among HCWs. Inadequate occupational health and safety measures such as lack of training on occupational health hazards and safety issues, absence of written protocols for reporting NSSIs, and lack of safety instructions were associated with NSSIs. Effective training programs and raising the awareness of HCWs to reduce unsafe behaviors and implementing organizational strategies to prevent exposure are essential.

  8. Estimation of Economic Value of Use of Wastewater at Agricultural Sector in South of Tehran Province

    Directory of Open Access Journals (Sweden)

    Mohammad Reza Sasouli

    2015-11-01

    Full Text Available Appropriate use of non-conventional water resources including surface runoff and sewage is produced an issue that has emerged as a necessity particularly in Iran. This thread has been created specifically in Tehran. The current study was aimed to investigate the economic value of sewage at Agricultural Sector in South of Tehran with produced approach in the contaminated and clean area. From the results, the average yield of wheat production among the farmers from polluted water was 376 kg ha-1 more than farmers who used clean water. Moreover, the economic value of water was 110 Rials more than farmers who used clean water. According to the results, the total value of wastewater in Tehran in 1405 would be equivalent to 335,480 million Rials. The priorities for interests of irrigation using wastewater from an agricultural perspective suggests that availability and reliability of wastewater than other water sources and low cost of its use is the most important benefit. The next priority result of irrigation with wastewater is increasing crop yield and improving soil fertility. This explains why farmers despite the legal prohibition of the use of untreated sewage continue to utilize this source of irrigation water.

  9. Understanding determinants of unequal distribution of stillbirth in Tehran, Iran: a concentration index decomposition approach.

    Science.gov (United States)

    Almasi-Hashiani, Amir; Sepidarkish, Mahdi; Safiri, Saeid; Khedmati Morasae, Esmaeil; Shadi, Yahya; Omani-Samani, Reza

    2017-05-17

    The present inquiry set to determine the economic inequality in history of stillbirth and understanding determinants of unequal distribution of stillbirth in Tehran, Iran. A population-based cross-sectional study was conducted on 5170 pregnancies in Tehran, Iran, since 2015. Principal component analysis (PCA) was applied to measure the asset-based economic status. Concentration index was used to measure socioeconomic inequality in stillbirth and then decomposed into its determinants. The concentration index and its 95% CI for stillbirth was -0.121 (-0.235 to -0.002). Decomposition of the concentration index showed that mother's education (50%), mother's occupation (30%), economic status (26%) and father's age (12%) had the highest positive contributions to measured inequality in stillbirth history in Tehran. Mother's age (17%) had the highest negative contribution to inequality. Stillbirth is unequally distributed among Iranian women and is mostly concentrated among low economic status people. Mother-related factors had the highest positive and negative contributions to inequality, highlighting specific interventions for mothers to redress inequality. © Article author(s) (or their employer(s) unless otherwise stated in the text of the article) 2017. All rights reserved. No commercial use is permitted unless otherwise expressly granted.

  10. Drug use prevalence among students of universities of medical sciences in Tehran

    Directory of Open Access Journals (Sweden)

    Farhad Taremian

    2014-02-01

    Full Text Available Objective: This study was aimed to determine the prevalence of drug use among students of universities of Medical Sciences in Tehran. Method: Four thousands of medical students (both sexes in academic year 1388-89 in different level of education, B.A., M.Sc. and Ph.D. were selected by random stratified sampling method. These students were selected from Iran, Tehran and Shahid Beheshti Universities of Medical Sciences considering their sex and level of education. We used drug use prevalence questionnaire. Findings: The most prevalent drug of abuse in life time period was qalyan (classical pipe, followed by cigarette, and alcohol. The least frequent drug of abuse was Shisheh, followed by heroine krack. As we expected, drugs morphine, ritalin and tramadol were placed in forth, fifth and sixth of prevalent drugs. Use of different substances was significantly more prevalent in male students. Conclusion: Using soft drugs (qalyan, cigarette and alcohol was more prevalent than hard drugs (hashish, taryak, heroine kerack among Universities Medical Sciences of Tehran. Similar to drug use pattern in society, use of all of drugs were more prevalent in male students. We should pay special attention to use of drugs such as tramadol, ritalin, petedin and morphine.

  11. Barriers to Use of Educational Technology in the Learning Process of Primary School Students in District 13 in Tehran

    Science.gov (United States)

    Doshmanziari, Esfandiar; Mostafavi, Aida

    2017-01-01

    The aim of this study was to examine the barriers to use of educational technology in the learning process of primary school students in district 13 of Tehran. This research in terms of purpose is practical, in terms of the title characteristics of the research is descriptive, and in terms of data collection method is a field research. The…

  12. Teaching Case: Enterprise Architecture Specification Case Study

    Science.gov (United States)

    Steenkamp, Annette Lerine; Alawdah, Amal; Almasri, Osama; Gai, Keke; Khattab, Nidal; Swaby, Carval; Abaas, Ramy

    2013-01-01

    A graduate course in enterprise architecture had a team project component in which a real-world business case, provided by an industry sponsor, formed the basis of the project charter and the architecture statement of work. The paper aims to share the team project experience on developing the architecture specifications based on the business case…

  13. Theory Testing Using Case Studies

    DEFF Research Database (Denmark)

    Sørensen, Pernille Dissing; Løkke, Ann-Kristina

    2006-01-01

    design. Finally, we discuss the epistemological logic, i.e., the value to larger research programmes, of such studies and, following Lakatos, conclude that the value of theory-testing case studies lies beyond naïve falsification and in their contribution to developing research programmes in a progressive...

  14. Case Study of 'moral injury' : Format Dutch Case Studies Project

    NARCIS (Netherlands)

    Korver, Sjaak; Walton, Martin N.; van Loenen, Guus

    2017-01-01

    The case study ‘Moral Injury’ traces care provided by a chaplain in a mental health institution to a former military marksman named Hans. Hans was in care at a specialized unit for military veterans with traumas. He sought contact with a chaplain “to set things right with God” and wanted the

  15. eCompetence Case Studies

    DEFF Research Database (Denmark)

    Jensen, Helle Bækkelund

    2006-01-01

    In this paper we present some details of the processes undertaken in the European eCompetence Initiative. We present two illustrative and representative case studies. The research aims to identify and understand patterns of individual and organisational eCompetence approaches.......In this paper we present some details of the processes undertaken in the European eCompetence Initiative. We present two illustrative and representative case studies. The research aims to identify and understand patterns of individual and organisational eCompetence approaches....

  16. Meteorology and air-quality in a mega-city: application to Tehran, Iran

    International Nuclear Information System (INIS)

    Malakooti, Hossein

    2010-01-01

    The influence of a mega-city on the atmospheric boundary layer and surface conditions was examined in the complex-terrain, semi-arid Tehran region using the Pennsylvania State University/National Center for Atmospheric Research fifth-generation Mesoscale Model (MM5) during a high pollution period. In addition, model sensitivity studies were conducted to evaluate the performance of the urban canopy and urban soil model 'SM2-U (3D)' parameterization on the meteorological fields and ground level air pollutant concentrations in this area. The topographic flows and urban effects were found to play important roles in modulating the wind and temperature fields, and the urbanized areas exerted important local effects on the boundary layer meteorology. An emission inventory of air pollutants and an inventory of heat generation were developed and updated for 2005 in this work. Emissions from on-road motor vehicles constitute a major portion of the emission inventory and play the most important role in terms of contributions of air pollutants to the atmosphere in Tehran. By using a detailed methodology, we calculated spatial and temporal distributions of the anthropogenic heat flux (Qf) for Tehran during 2005. Wintertime Qf is larger than summertime Qf, which reflects the importance of heating emissions from buildings and traffic during cold and warm period respectively. Different urban parameterizations were used as a tool to investigate the modifications induced by the presence of an urban area in the area of interest. It was found that, for local meteorological simulations, the drag-force approach coupled with an urban soil model (DA-SM2-U) is preferable to the roughness approach (RA-SLAB). The comparisons indicated that the most important features of the wind, temperature and turbulent fields in urban areas are well reproduced by the DA-SM2-U configuration with the anthropogenic heat flux being taken into account (i.e., 'DA-SM2-U Qf: On' option). This

  17. Case Study on Logistics Performance

    Directory of Open Access Journals (Sweden)

    Shahryar Sorooshian

    2013-05-01

    Full Text Available The paper presents research carried out at a medium‐size manufacturing organization in east Asia. The study tries to highlight the importance of supply chain management; specifically, our aim for this study is to understand logistics and performance measurement in the logistics and supply chain, and we include a theoretical discussion of online data collected and a case study of the logistic performance of a real organization. The study also examines the performance of the selected company, identifies the problems and provides recommendations for improvements. This study can be a guide for business advisers and those interested in analysing company performance, especially from a logistics viewpoint. We also suggest the methodology of this case study for those who want to have a better understanding of a business environment before starting their own business, or for benchmarking practice during strategic planning.

  18. BioFleet case studies

    International Nuclear Information System (INIS)

    2007-01-01

    These six case studies examined the use of different biodiesel blends as fuel supply sources for businesses in British Columbia (BC). In the first case study, 6 municipalities participated in a pilot program designed to compare the performance of biodiesel and diesel fuels. Each municipality operated 2 base vehicles running on conventional diesel along with 2 similar vehicles which used biodiesel. Real time emissions tests and analyses of the vehicles using biodiesel were also conducted by 2 of the participating municipalities. All municipalities participating in the study agreed to purchase significant volumes of biodiesel. The second case study described a pilot study conducted by the City of Vancouver's equipment services branch in 2004. As a result of the study, the city now has over 530 types of equipment that use biodiesel. The third case study described a program designed by TSI Terminals in Vancouver to assess the emission reduction impact of using biodiesel at its port facility. Six different pieces of equipment were used to confirm that biodiesel could be used throughout the terminal. Test results confirmed that biodiesel blends could be used to reduce emissions. Overall emissions were reduced by 30 per cent. The fourth case study described a waste renderer that used a fleet of 36 trucks to deliver raw products to its plants. The company made the decision to use only biodiesel for its entire fleet of trucks. Since July 2005, the company has logged over 1.7 million km using biodiesel blends. The fifth case study described a salmon hatchery that switched from diesel to biodiesel in order to reduce emissions. The biodiesel blends are used to fuel the hatchery's 2 diesel generators. The hatchery has reduced emissions of greenhouse gases (GHGs) by an estimated 1800 tonnes annually. The sixth case study described how the Township of Langley has started using biodiesel for its entire fleet of of approximately 250 pieces of equipment. The township has not

  19. An Investigation on the Industrial Wastewater in Tehran Province

    Directory of Open Access Journals (Sweden)

    Ali Torabian

    2005-08-01

    Full Text Available During 1994 to 1999  a research program titled “A qualitative and quantitative review of industrial wastewater in Tehran province”  was done . This article presents the most important results obtained from this study . The research covered 330 food , textile , chemical , and Materials (Metal and liquid materials  factories . Completing of the questionnaire , sampling from the wastewater and analyzing have been done for 5  years . The results show that completely wastewater treatment in food , textile and metal industries were done in 8% , 18% and 17% of units respectively . In chemical industries for major groups include pharmaceutical , soap and detergent , pulp and paper , and paint industries were studied . In pharmaceutical and pulp and paper industries , there were only one factory in each group which were doing a complete treatment , and in detergent and paint industries there were no complete treatment at all . Maximum discharge of wastewater in food and textile industries were into surface waters . They were 62.4% and 48.8% respectively . But mainly wastwater discharging in metal and liquid materials industries were into ground waters which were 86% and 83% respectively .

  20. Prevalence of Staphylococcus aureus in Shrimps in Tehran during 2013

    Directory of Open Access Journals (Sweden)

    Mohammad Mehdi Soltan Dallal

    2015-12-01

    Full Text Available Background During fishing and transport, preservation and quality of fish products are importantas well as storage to prevent the growth of pathogenic and toxin producing bacteria.Staphylococcus aureus is one of the most common causes of sea food-borne diseases worldwidedue to contamination of food by preformed enterotoxins. The aim of this study was to compare theprevalence and contamination of S. aureus in marine and farmed shrimps in Tehran fishery center.Methods: A total of 300 samples, including 150 marine, 150 farmed shrimps were selected duringSeptember 2013 to December 2013. Isolation and identification of S. aureus from isolated sampleswere carried out according to conventional methods, and antibiotic susceptibility test wasperformed by modified Kirby-Bauer disc diffusion methodResults: The results of this study showed that 30% of marine and 20% off armed shrimps werecontaminated with S. aureus. The highest resistance was observed with penicillin and ampicillin,whereas 100% were sensitive to vancomycin, clindamycin, ciprofloxacin, and rifampin.Conclusions: Due to relatively high contamination of shrimp by S. aureus more attention shouldbe given during processing and manufacturing.

  1. Prevalence of Staphylococcus aureus in Shrimps in Tehran during 2013

    Directory of Open Access Journals (Sweden)

    Mohammad Mehdi Soltan Dallal

    2016-02-01

    Full Text Available Background During fishing and transport, preservation and quality of fish products are importantas well as storage to prevent the growth of pathogenic and toxin producing bacteria.Staphylococcus aureus is one of the most common causes of sea food-borne diseases worldwidedue to contamination of food by preformed enterotoxins. The aim of this study was to compare theprevalence and contamination of S. aureus in marine and farmed shrimps in Tehran fishery center.Methods: A total of 300 samples, including 150 marine, 150 farmed shrimps were selected duringSeptember 2013 to December 2014. Isolation and identification of S. aureus from isolated sampleswere carried out according to conventional methods, and antibiotic susceptibility test wasperformed by modified Kirby-Bauer disc diffusion method.Results: The results of this study showed that 30% of marine and 20% off armed shrimps werecontaminated with S. aureus. The highest resistance was observed with penicillin and ampicillin,whereas 100% were sensitive to vancomycin, clindamycin, ciprofloxacin, and rifampin.Conclusions: Due to relatively high contamination of shrimp by S. aureus more attention shouldbe given during processing and manufacturing.

  2. Prevalence and Complications of Drug-induced Seizures in Baharloo Hospital, Tehran, Iran

    Directory of Open Access Journals (Sweden)

    Behnam Behnoush

    2012-05-01

    Full Text Available Background: Seizure is a frequent and important finding in the field of clinical toxicology. Almost all poisons and drugs can produce seizure. We have evaluated frequency and complications of drug-induced seizure in present study. Methods: The present descriptive cross-sectional study was done on patients who were referred to Baharloo Hospital, Tehran, Iran, that had developed seizure before or after hospitalization following intoxication between 20 March 2010 and 20 March 2011. The exclusion criteria were a positive history of epilepsy, head trauma, or abnormal findings in EEG or brain CT scan. Results: Tramadol and tricyclic antidepressants were the most common causes of drug-induced seizure (31.5% and 14.7% of the cases, respectively. Overall, 6 patients (4.2% had developed persistent vegetative state in consequence of brain hypoxia, 16 patients (11.2% had died due to complications of seizure or the poisoning itself. Tramadol was the leading cause of drug-induced seizure and its morbidity and mortality. Tonic-colonic seizure was the most common type of drug-induced seizure. Seizure had occurred once in 58% of the patients, twice in 37.1% of the patients, and had been revolutionized to status epilepticus in 4.9% of them. Among the 7 patients who had developed status epilepticus, 3 cases had died. Conclusion: Appropriate measures for treatment of seizure and prevention of its complications should be taken when patients with drug poisoning are admitted into hospital, especially when the offending drug(s has a higher likelihood to induce seizure.

  3. Case Studies in Sports Nutrition.

    Science.gov (United States)

    Clark, Nancy

    1988-01-01

    This article presents case studies of two athletes who wanted to affect a change in their body weight in order to enhance athletic performance. Each athlete's problem and the nutrition approach used to solve it are discussed. Caloric values of fast foods are listed. (JL)

  4. Shea case study Burkina Faso

    NARCIS (Netherlands)

    S. Drost (Sarah); J.C.A.C. van Wijk (Jeroen); S.R. Vellema (Sietze)

    2012-01-01

    textabstractThis shea case study is part of a larger Partnerships Resource Centre (PrC) project elaborated in tandem with two Dutch non-governmental organisations (NGOs); ICCO and Oxfam Novib. The endeavour of this ‘action research’ project is to combine the expert knowledge of development

  5. The reflexive case study method

    DEFF Research Database (Denmark)

    Rittenhofer, Iris

    2015-01-01

    This paper extends the international business research on small to medium-sized enterprises (SME) at the nexus of globalization. Based on a conceptual synthesis across disciplines and theoretical perspectives, it offers management research a reflexive method for case study research of postnational...

  6. Neurological manifestations in HIV positive patients in Tehran, Iran

    Directory of Open Access Journals (Sweden)

    Minoo Mohraz

    2014-02-01

    Full Text Available Objective: To evaluate the neurological complications among Iranian HIV-positive patients. Methods: This cross-sectional study was conducted among 428 patients diagnosed with HIV infection between 2006 and 2009 at Imam Khomeini hospital, Tehran, Iran. Demographic and clinical variables as well as laboratory tests were extracted and analyzed. Also, another 100 patients refereed to Voluntary Counseling and Testing center of the hospital were visited and evaluated for neurological complications. Results: Among the patients, neurologic manifestations were observed in 34 (7.94% patients. Twenty three percent of the patients received antiretroviral therapy. Identified causes included brain toxoplasmosis (14.7%, progressive multi-focal leuko encephalopathy (5.9%, HIV encephalopathy (5.9%, TB meningitis (5% and unknown etiologies (11.8%. Also, among 100 patients who were admitted and visited at the Voluntary Counseling and Testing center, no one was diagnosed for any neurological manifestations. Conclusions: According to our results, toxoplasmosis is the most frequent cause of neurological conditions among Iranian HIV infected patients and should be considered in any HIV/AIDS patient with neurological manifestations.

  7. Prevalence of smuggled and foreign cigarette use in Tehran, 2009

    Science.gov (United States)

    Heydari, Gholamreza; Tafti, Saeid Fallah; Telischi, Firouzeh; Joossens, Luk; Hosseini, Mostafa; Ghafari, Mostafa

    2010-01-01

    Background Iran is one of two main target markets for tobacco smuggling in the WHO's Eastern Mediterranean Region. The Iranian government has a local tobacco monopoly but there is high demand for international brands. Informal reports show about 20% of cigarette consumption is smuggled brands. This pack survey study is the first in Iran to gather validated information on use of smuggled cigarettes. Methods A randomized cross-sectional household survey in Tehran in 2008–2009 of 1540 smokers aged 16–90 (83% men) was performed, including interviewer checking of cigarette packs. Results In all, 20.9% of cigarettes and 6.7% of domestic branded cigarettes were smuggled. A total of 60.1% of smokers preferred foreign cigarettes. There was no significant difference between consumption of illegal cigarettes by sex. (Fisher exact test p=0.61) Use of smuggled cigarettes was higher among younger smokers (p=0.01) Conclusions Use of illegal cigarettes is high. Tobacco control laws outlawing their sale are not being enforced. PMID:20876076

  8. Environmental qualitative assessment of water resources in Tehran

    Directory of Open Access Journals (Sweden)

    T. Jafarynasab

    2017-01-01

    Full Text Available Increasing water demand and reducing its contaminations are the main concerns and challenges for water resource managers and planner due to its limited sources and high value. This study aims to assess and understand the factors which threaten the quality of groundwater resources and to achieve this, samples were taken from 14 active wells in District 3 of the Municipality of Tehran. After categorizing the parameters to distinct measurable groups containing anions (SO4, Cl, NO2, NO3, HCO3, CO3, cations (Mg, Na, k heavy metals (Ag, Pb, Cd physical parameters (temperature, color and odor chemical parameters (Total Dissolved Solid , Electrical conductivity, Total Suspended Solids and pH, the data  were analyzed  using SPSS (version 16 software. The results revealed that excessive amount of nitrate anion in Paidari and Naji station is related to the slope and sandy texture of the wells and also the surrounding area’s soil. Increased cation concentration was visible in Resalat well, which indicated the use of excessive amount of fertilizers containing sodium and also the clay soil texture. Cadmium was the only heavy metal with the concentrations of more than the standard amount. Domestic sewage and surface runoff and also regional geological structure, the lack of appropriate distance between water wells with sewage wells were among other reasons, causing underground water pollution.

  9. Portfolio selection using ELECTRE III: Evidence from Tehran Stock Exchange

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    Aazam Shabani Vezmelai

    2015-04-01

    Full Text Available Ranking the companies can be a useful guide for investors to select an optimum portfolio. Tehran stock exchange (TSE uses liquidity criterion to rank the companies; however, this study shows that preferences of investors, the criteria they use to evaluate companies’ performances, and the extent to which ranking of companies based on investors’ criteria are in line with the ranking announced by the stock exchange. Since the criteria used for ranking the companies are various and often conflicting and because each multiple criteria technique has its own specific characteristics, various rankings are offered. Therefore, it is required to utilize multiple criteria decision making models to avoid confusion of investors. For this purpose, some companies were selected from 50 top companies listed in 2011 in TSE, which maintained the reliability of their ranks and finally, 20 companies were selected and were ranked based on investors’ criteria using EECTRE III Technique. The obtained ranking was then compared with the ranking offered by stock exchange. Research results indicate that ELECTRE III technique was a useful and efficient method to select a portfolio. Moreover, value-based criteria as well as accounting criteria are suitable and useful bases for investors to select a portfolio.

  10. The Incidence of Nosocomial Toxigenic Clostridium difficile Associated Diarrhea in Tehran Tertiary Medical Centers

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    Norakhoda Sadeghifard

    2010-09-01

    Full Text Available "nClostridium difficile is the most common cause of nosocomial diarrhea. It is usually a consequence of antibiotic treatment, But sporadic cases can occur. This study was aimed to determine the frequency of the nosocomial Clostridium difficile (C. difficile associated diarrhea in Tehran University of Medical Sciences hospitals and study of antibacterial susceptibility of isolates. In this study a total of 942 stool samples from patients with nosocomial diarrhea that were hospitalized in Imam Khomeini hospital, Shariati hospital and Children clinical center were collected. The samples were cultured on a selective cycloserine cefoxitin fructose agar (CCFA and incubated in anaerobic conditions, at 37°C for 5 days. Isolates were characterized to species level by conventional biochemical tests. Bacterial cytotoxicity was assayed on tissue culture (vero. Antimicrobial sensitivity of isolated toxigenic C. difficile were investigated by kirby Beuer method (disk diffusion. Our findings show that, of the total patients, 57 toxigenic C. difficile (6.1% were isolated. Results of statistical analysis show significant differences between the rate of isolated toxigenic C. difficile and age group of patients (P<0.05. Among the wards of selected hospitals, in gastroenterology of Children clinical center, Toxigenic C. difficile was isolated from patients most frequently. The sensitivity of isolates to vancomycin, Chloramphenicol and ceftriaxone were higher than other antibiotics. Toxigenic C. difficile is a common hospital-acquired infection. The organism was found in 6.1% hospitalized patients. Further studies to evaluate the rate and role of toxigenic C. difficile in nosocomial diarrheal processes, ecological and pathogenic terms are suggested.

  11. Prevalence of muscular dystrophy in patients with muscular disorders in Tehran, Iran

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    Khadijeh Hajinaghi Tehrani

    2018-05-01

    Full Text Available Muscular dystrophy is a group of diseases that is characterized by progressive muscle wasting and the weakness of variable distribution and severity. On the basis of the distribution of predominant muscle weakness, there are many different kinds of muscular dystrophy. Some dystrophies are especially frequent in certain populations. There are no studies on the prevalence of muscular dystrophy in Iran. This study was aimed to survey the prevalence of muscular dystrophy among Iranian patients with muscular disorders. This analytical cross-sectional study was conducted on 1000 patients with musculoskeletal disorders who visited the dystrophy association of Bou-Ali Hospital (Tehran from June 2014 to June 2016. Patients’ data were extracted using a checklist that included age, gender, age of onset, family history, findings from clinical diagnostic tests and types of muscular dystrophy. The clinical findings were the results of genetic tests; EMG-NCV; para-clinical findings, including LDH and CPK; and pathological findings. All data were analyzed by SPSS V.22 (IBM Inc., NY with Chi Square and One way ANOVA tests. All analyses were performed with P = 0.05 considered as the threshold of statistical significant. Out of the 337 patients studied, 262 (77.7% were male and 75 (22.3% were female. Subjects had a mean (± SD age of 26.08 (± 11.86 years with an age range of 3 to 59 years. The most common types of muscular dystrophy were found to be Duchenne dystrophy (131 cases, 38.9%, limb-girdle dystrophy (91 cases, 27%, Becker dystrophy (58 cases, 17.2%, FSHD dystrophy (31 cases, 9.2%, and SMA (26 cases, 7.7%, respectively. The results showed that a statistically significant relationship between dystrophy types and gender, age, family history, age of diagnosis, CPK and LDH levels (P < 0.001. There were no statistical relationship between dystrophy types and pathological findings (P = 0.57, EMG-NCV test results (P = 0.062, and genetic findings (P = 0

  12. Institutional total energy case studies

    Energy Technology Data Exchange (ETDEWEB)

    Wulfinghoff, D.

    1979-07-01

    Profiles of three total energy systems in institutional settings are provided in this report. The plants are those of Franciscan Hospital, a 384-bed facility in Rock Island, Illinois; Franklin Foundation Hospital, a 100-bed hospital in Franklin, Louisiana; and the North American Air Defense Command Cheyenne Mountain Complex, a military installation near Colorado Springs, Colorado. The case studies include descriptions of plant components and configurations, operation and maintenance procedures, reliability, relationships to public utilities, staffing, economic efficiency, and factors contributing to success.

  13. Stochastic efficiency: five case studies

    International Nuclear Information System (INIS)

    Proesmans, Karel; Broeck, Christian Van den

    2015-01-01

    Stochastic efficiency is evaluated in five case studies: driven Brownian motion, effusion with a thermo-chemical and thermo-velocity gradient, a quantum dot and a model for information to work conversion. The salient features of stochastic efficiency, including the maximum of the large deviation function at the reversible efficiency, are reproduced. The approach to and extrapolation into the asymptotic time regime are documented. (paper)

  14. Case Study: Guidelines for Producing Videos to Accompany Flipped Cases

    Science.gov (United States)

    Prud'homme-Généreux, Annie; Schiller, Nancy A.; Wild, John H.; Herreid, Clyde Freeman

    2017-01-01

    Three years ago, the "National Center for Case Study Teaching in Science" (NCCSTS) was inspired to merge the case study and flipped classroom approaches. The resulting project aimed to create the materials required to teach a flipped course in introductory biology by assigning videos as homework and case studies in the classroom. Three…

  15. CAREM X INPRO case study

    International Nuclear Information System (INIS)

    Florido, P.C.; Brasnarof, D.; Delmastro, D.; Azpitarte, O.E.

    2004-01-01

    In order to assess and compare the performance of innovative nuclear energy systems INPRO has defined a set of basic principles, user requirements and criteria to be met in different areas (economics, sustainability and environment, safety, waste management and proliferation). This paper illustrates the use of INPRO methodology to a particular reactor system. Argentina is performing CAREM X Nuclear System Case Study based on CAREM nuclear reactor and Once Through Fuel Cycle, using SIGMA for enriched uranium production, and a deep geological repository for final disposal of high level waste after surface intermediate storage in horizontal natural convection silos, to verify INPRO (International Project on Innovative Nuclear Reactors and Fuel Cycles) methodology. 6 aspects have been considered: 1) enrichment based on Sigma enrichment plant (gas diffusion technology), 2) conversion to UO 2 , 3) fuel manufacturing, 4) CAREM-300 based reactor technology, 5) intermediate spent fuel storage, and 6) deep geological repository of spent fuels. Projections show that developing countries could play a crucial role in the deployment of nuclear energy, in the next fifty years. This case study will be highly useful for checking INPRO methodology for this scenario. In this paper, the preliminary findings of the Case Study are presented, including proposals to improve the INPRO methodology

  16. Environmental impact of alternative fuel on Tehran air pollution

    International Nuclear Information System (INIS)

    Ebtekar, T.

    1995-01-01

    Seventy percent of the air pollution in the city of Tehran stems from mobile sources, and in comparison with other major cities of the world, Iran's capital experiences one of the most polluted metropolitan areas. There exists a surplus of liquid petroleum gas (LPG) in the Persian Gulf and Iranian market, in addition, Iran possesses the second largest reservoir of natural gas in the world. These alternative energy resources create a favorable potential fuel for city of Tehran. Experiments carried out in Tehran indicate that in converting the taxis from gasoline to a dual fuel (LPG/gasoline) car or to a dual fuel natural gas vehicle (NGV) reduce all major pollutants (CO, HC, NOX, Pb) substantially. Following the author's recommendation, the number of LPG dispensing units in gas stations are increasing and the number of dual fuel taxis amount to several thousands in the metropolitan area. The conversion of diesel buses in the Tehran Public Transportation Corporation to natural gas (NGV) has been recommended by the author and vast experimental works are underway at the present time

  17. Irans Nuclear Program: Tehrans Compliance with International Obligations

    Science.gov (United States)

    2016-04-07

    reactors. Iran also has a uranium conversion facility, which converts uranium oxide into several compounds, including uranium hexafluoride. Tehran claims... uranium .  The importation of natural uranium metal and its subsequent transfer for use in laser enrichment experiments, including the production of...investigation of its nuclear activities, suspend its uranium enrichment program, suspend its construction of a heavy-water reactor and related

  18. Prevalence of parasites in soil samples in Tehran public places ...

    African Journals Online (AJOL)

    Results of our findings provide evidence that soil may play an important role in transmission of zoonotic parasite diseases to human. In addition, control of high population of animals such as stray dogs and cats is necessary to reduce the distribution of parasites. Key words: Prevalence, parasites, flotation method, Tehran.

  19. An analysis of determinants of going concern audit opinion: Evidence from Tehran Stock Exchange

    Directory of Open Access Journals (Sweden)

    Hadi Mashadi Gharaghayah

    2013-07-01

    Full Text Available This paper presents an empirical investigation to find out important factors influencing exchange authorities for keeping firms on Tehran Stock Exchange. The proposed study uses logistic regression technique to study the effects of five factors including liquidity, solvability, profitability, cash flow and size of auditing firm. The results of the study show that only solvability is the most important factor according to auditing officials for extending listed firms on this exchange while the effects of other factors, liquidity, capability of meeting commitments, profitability, cash flow and size of auditing firm, are not statistically significance.

  20. A case study of Impetigo

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    Mansouri P

    1993-05-01

    Full Text Available This is a report of a case study on 234 patients with impetigo who referred to Razi Dermatology Hospital from April to November, 1989. Treatment was started immediately after obtaining direct smear and performing culture and antibiotic sensitivity test. The most common organism responsible for impetigo was the coagulase-positive staphylococcus (71%. In 13.7% of the cases, the coagulase-negative staphylococcus was grown on culture media, but none of the cultures showed streptococcus as the main organism. Treatment was started with oral penicillin V, oral erythromycin, benzathine penicillin G injection, oral cephalexin, and topical fuccidin. Clinical and bacteriological evaluation after 3-7 days showed that it is preferable to use oral cephalexin instead of other protocols such as oral erythromycin, which has previously been the drug of choice for impetigo. In addition, topical fuccidin with a 75% curative rate was the first drug for treatment, with the same effect as the oral cephalexin

  1. The impacts of cigarette packaging pictorial warning labels on smokers in the city of tehran.

    Science.gov (United States)

    Heydari, Gholam Reza; Ramezankhani, Ali; Talischi, Firoozeh

    2011-01-01

    Cigarette smoking is considered the first preventable cause of death in the world. Social, familial, and personal factors play an important role in prevention or cessation of smoking. Educating the public in order to enhance their knowledge, change their attitude and improve their habits is also effective in this respect. In 2007, the executive protocol of the Comprehensive Law on Smoking Control was compiled in the Ministry of Health and according to the Article 5 of this law pictorial health warning labels had to be applied on cigarette packaging. This study was designed and conducted in 2 phases of before and 9 months after the implementation of this law and evaluated the effect of it on smokers' knowledge, attitude and pattern of smoking. This was a cross-sectional descriptive study conducted to evaluate the effect of cigarette packs' pictorial health warning labels on the knowledge, attitude and smoking pattern of smokers residing in Tehran. After calculating the size of understudy population and estimation of the exclusions, 1731 subjects were randomly selected using the multiphase cluster method from the 22 districts of Tehran. Data were collected using a questionnaire designed according to the standard questionnaire of the World Health Organization (WHO) and International Union Against Tuberculosis and Lung Disease (IUATLD). Qualitative and quantitative value and reliability of the variables including cigarette consumption, knowledge about the law, and pattern of smoking were evaluated in 2 phases and the quality of pictures and their effects on the mentioned variables were assessed in the 2(nd) phase. Before adopting the pictorial warning labels in the first phase of the study, 1731 respondents were evaluated out of which 71.8% were males and 28.2% were females. These cases had an average of 17.6±12.3 years history of smoking. A total of 38% (675 subjects) used Iranian cigarette brands and 39.5% were aware of the implementation of pictorial health warning

  2. Drug Utilization Review of parenteral opioid analgesics in cardiovascular surgery department of Shahid Modarres Hospital, Tehran

    Directory of Open Access Journals (Sweden)

    Vatanpour H, Soltani M,

    2016-08-01

    Full Text Available Persistent pain continues to be a common problem among patients undergoing cardiac operations and the need for controlling such pain is believed to be as a prime necessity in terms of the patient’s well being, health care costs and avoiding negative consequences provoked by the pain itself. Regarding to the newly established guidelines, opioid analgesic agents are considered as the mainstay of moderate to severe acute pain. Nonetheless, the underutilization of opioids for pain relief is still a persisting huge challenge. This survey, applying as a concurrent Drug Utilization Review using ATC/DDD system provided and recommended by the DUR group of the World Health Organization, conducted on 108 inpatients who received opioid drugs by parenteral route during 9 months from February to November 2013 at the post-ICU ward of Shahid Modarres Cardiovascular Hospital, affiliated to Shahid Beheshti University of Medical Science, in Tehran. Our findings revealed that morphine was the most commonly prescribed parenteral opioid in the hospitalized patients and pethidine usage was in the lowest level for the geriatric patients, resulting in satisfaction with the analgesic procedure among most of the cases in our study. Both of the mentioned drugs were prescribed by intramuscular route, regarding PRN way of injecting as well. Comparative results of our study with the literature revealed relatively moderate and roughly rational consumption of morphine (10.282 DDD/100bed-days and pethidine (0.013 DDD/100bed-days. Applying multivariate conditional regression modeling on the question of determining independent predictors for opioid usage, disclosed a direct correlation between the patient’s weight and daily dose of parenteral opioid consumption.

  3. Prevalence of metabolic syndrome in polycystic ovarian syndrome women in a hospital of Tehran

    Directory of Open Access Journals (Sweden)

    Ashraf Moini

    2012-01-01

    Full Text Available Background: Polycystic ovarian syndrome (PCOS is a condition associated with chronic anovulation, insulin resistance and androgen excess. Women with this syndrome are at increased risk of metabolic syndrome. Objective: The aim of the present study was to determine the prevalence of metabolic syndrome (MBS in women with PCOS referred to Arash Hospital in different ages and body mass index (BMI. Materials and Methods: A cross-sectional study was conducted in Gynecologic Clinic at Arash Hospital affiliated with Tehran University. A total of 282 women with PCOS ages between 15-40 years were included. The prevalence of Metabolic Syndrome and its components in this population were the main outcomes. Height, weight, waist circumference, blood pressure and laboratory tests (FBS, TSH, HDL-C, serum prolactin, triglycerides and total cholesterol were measured in this population. Results: The prevalence of MBS in PCOS women was 22.7% (64 cases. The rate of central obesity, FBS more than 110 mg/dl, triglycerides more than 150 mg/dl, high-density lipoprotein cholesterol levels (HDL-C less than 50 mg/dl, and blood pressure ≥130/85 mmHg in PCOS women was 31% (87, 3.2% (9, 33% (93, 68.8% (194, and 10.6% (30, respectively. The risk of MBS was increased in older and the obese women (BMI ≥30 kg/m2. Conclusion: The present sample showed women with PCOS have a high prevalence of MBS and its individual components, particularly decreased HDL-C.

  4. Tehran Survey of Potential Risk Factors for Multiple Births

    Directory of Open Access Journals (Sweden)

    Reza Omani Samani

    2017-09-01

    Full Text Available Background The multiple pregnancy incidence is increasing worldwide. This increased incidence is concerning to the health care system. This study aims to determine the frequency of multiple pregnancy and identify factors that affect this frequency in Tehran, Iran. Materials and Methods This cross-sectional study included 5170 mothers in labor between July 6-21, 2015 from 103 hospitals with Obstetrics and Gynecology Wards. The questionnaire used in this study consisted of five parts: demographic characteristics; information related to pregnancy; information related to the infant; information regarding the multiple pregnancy; and information associated with infertility. We recruited 103 trained midwives to collect data related to the questionnaire from eligible participants through an interview and medical records review. Frequencies and odds ratios (OR for the association between multiple pregnancy and the selected characteristics (maternal age, economic status, history of multiple pregnancy in first-degree relatives, and reproductive history were computed by multiple logistic regression. Stata software, version 13 (Stata Corp, College Station, TX, USA was used for all statistical analyses. Results Multiple pregnancy had a prevalence of 1.48% [95% confidence interval (CI: 1.19-1.85]. After controlling for confounding variables, we observed a significant association between frequency of multiple pregnancy and mother’s age (OR=1.04, 95% CI: 1.001-1.09, P=0.044, assisted reproductive technique (ART, OR=6.11, 95% CI: 1.7- 21.97, P=0.006, and history of multiple pregnancy in the mother’s family (OR=5.49, 95% CI: 3.55-9.93, P=0.001. Conclusion The frequency of multiple pregnancy approximated results reported in previous studies in Iran. Based on the results, we observed significantly greater frequency of multiple pregnancy in older women, those with a history of ART, and a history of multiple pregnancy in the mother’s family compared to the other

  5. Assessment of Sexual Maturation among Boys in Special Schools of Tehran, Iran

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    Asieh Mosallanejad

    2017-01-01

    Full Text Available Background: Due to lack of detailed standards of sexual maturity in individuals with Intellectual, sensory and motor disability in Iran and the importance of timing of onset of puberty in these individuals, a study is necessary. By knowing the onset of puberty, physiologic and behavioral changes can be traced in these people, as well as the potential impact of the puberty on the underlying disease can be considered. The aim of the study was to investigate of sexual maturation among boys of special schools of Tehran. Materials and Methods: Cross-sectional study was performed on children and adolescents male students in special school in Tehran at 2013. A random, multistage sample 0f 895 boy students of special schools was taken from 25 special schools in five districts of Tehran city. In this study, symptoms and stages of puberty were identified. Pubertal stages were assessed by visual inspection and palpation based on the rating scales of Tanner. In addition, demographic data such as age, height, weight were collected. Then the data were analyzed and mean age of onset of puberty was determined. Results: The mean age of onset of puberty in boys (Genitalia stage 2 was 13.12 ± 1.84 years and sexual maturation was completed at 16.57 ± 1.34 years. The average height at the onset of puberty (Genitalia stage 2 was 151.1 ± 9.91 cm and the average weight was 48.47 ± 10.14kg. The mean BMI for puberty onset was 20.89 ± 5.43. Conclusion: In our study, the mean age of puberty onset in boys with disabilities was 13.12 ± 1.84 years. Compared to the data from healthy boys, our findings indicate that the mean age of pubertal onset in boys with disabilities in special school is higher than that of their healthy counterparts.

  6. The impact of risk management on internal and sustainable growth rate: Evidence from Tehran Stock Exchange

    Directory of Open Access Journals (Sweden)

    Hamid Reza Vakili Fard

    2014-09-01

    Full Text Available Measuring the relative risk of firms has been an open discussion among researchers. There are many studies on learning how leverage may influence on growth of the firms. This article reviews the relationship between risk management, internal and sustainable growth of accepted companies in Tehran stock exchange. The survey considers three types of risks including operating, financial and compound and investigates their relationships with internal growth rate as well as sustainable growth rate. Using some regression techniques, the study has determined negative and meaningful relationships between different types of leverage on side and internal as well as sustainable growth on the other side.

  7. The Prevalence of Pemphigus (Razi Hospital and Department of Oral Pathology, Tehran University of Medical Sciences

    Directory of Open Access Journals (Sweden)

    Eshghyar N

    1999-12-01

    Full Text Available The aim of this retrospective statistical study was to determine the prevalcence and frequency of"nage and sex distributions of pemphigus disease. Pemphigus disease classified as autoimmune bullous"ndermatoses which is a chronic mucocutaneous disease."nThis study was performed in Razi Hospital and department of oral pathology of dental school, Tehran"nUniversity of Medical Sciences. The most frequently effected area was buccal moucosa of oral cavity. The"nmost rate of recurrence was found in oral cavity which being more common in middle age females (25-44"nyears.

  8. Investigating the effects of liquidity and exchange rate on Tehran Stock Exchange

    Directory of Open Access Journals (Sweden)

    Younos Vakil Alroaia

    2014-08-01

    Full Text Available This paper presents an empirical investigation to study the effects of two macroeconomic factors; namely exchange rate and liquidity on stock index. The proposed study was applied in Iran and on major index of Tehran Stock Exchange over the period 2001-2011. They reported that the currency exchange maintained negative impact on stock exchange for the period of investigation. This is due to the fact that when currency devalued, working capital decreases and firms did not enough money to purchase raw materials, pay wages, etc. In addition, liquidity marinated a direct and positive relationship with exchange index. However, the impact of liquidity seems to be bigger than currency exchange.

  9. The Youth Life Style in Tehran and its Determining Factors

    Directory of Open Access Journals (Sweden)

    Bijan Zare

    2013-03-01

    Full Text Available The goal of this research is on the one hand to identify various life styles of the youth living in Tehran and, on the other hand, to study several social, economic and cultural factors affecting the youth life styles. Based on Cookran formula, sample size amounts to 400, and cluster sampling was used as sampling method. Studying existing theories and reviewing empirical studies relevant to the research subject matter, various life styles such as aesthetical-hedonistic, functionalistic, sub-cultural, and passive ones were identified. According to the mean rates of various life styles, the hedonistic one enjoyed the highest rate, amounting to 53% of the sample population, the functionalistic one showed a moderate rate of 46.8 of the sample population, and the lowest rate belonged to the passive life style. Based on the person correlation coefficient, it could be said that there was a positive and meaningful relationship between social capital and various types of life styles. Also, a meaningful relationship of 0.01 existed between cultural capital and various types of life style. Moreover, person correlation coefficient confirms the meaningful and positive relationship between economic capital and functionalistic, hedonistic and passive life styles. Using step by step method in the multi-variable regression shows the economic variables contribution in explaining the life styles variable as to be as 0.31, the social ones as to 0.17, and cultural capital impact as to 0.16. In sum, taking into consideration R2 coefficient, the three mentioned variables explain 19% of the variance of the life style variable.

  10. MULTIPLE PERSONALITY: CASE REPORT STUDY

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    Miloš Židanik

    2004-07-01

    Full Text Available Background. Multiple personality disorder is characterised by splited individual ego-states and splited professional community arguing whether this disorder actually exists or not.Methods. In this case report study a supportive psychodynamic psychotherapy of a patient with multiple personality disorder is presented, that lasted for 4.5 years and resulted in ego-reintegration.Conclusions. The spliting between different ego-states is powered by unneutralised aggression with the possibility of hetero- and autoaggressive behaviour. Therefore the patient in the analytically oriented psychotherapeutic process is at high risk and a safe therapeutic (e. g. in-patient setting has to be provided.

  11. Overview of the Case Studies

    DEFF Research Database (Denmark)

    Cameron, Ian; Gani, Rafiqul

    2011-01-01

    A series of case studies are used to illustrate many of the underlying modelling principles within the book. To facilitate this, the ICAS-MoT modelling tool has been used. A wide range of application areas have been chosen to ensure that the principal concepts of effective and efficient modelling...... are exercised. Conceptual frameworks for single and multiscale problems are given and explained. The importance of the steps is also explained, through annotated schematic diagrams. The important issues around workflow and data flow are given in diagrammatic form....

  12. Hospital Waste Management - Case Study

    Directory of Open Access Journals (Sweden)

    Beatriz Edra

    2017-07-01

    Full Text Available The importance of waste management in hospitals is indisputable in preserving the environment and protecting public health, but management models are rarely discussed. This study presents the legal and conceptual frameworks of good waste management practices applicable to hospitals and associated indicators. As a case study, the overall performance of Hospital Centre of São João, in Porto, was analysed based on published reports. Data on the production of waste in their different typologies were collected from 2010 to 2016, enabling a correlation of the waste production with the kg/bed/day indicator. The aim of this study was to gather data and discuss trends in a real scenario of evolution over a six-year period in order to contribute to a future research proposal on indicators that can be used as reference for benchmarking the construction of methodological guides for hospital waste management.

  13. FEATURES OF ADOLESCENTS TUBERCULOSIS AT A REFERRAL TB'S HOSPITAL IN TEHRAN, IRAN

    Directory of Open Access Journals (Sweden)

    Ferial Lotfian

    2016-01-01

    Full Text Available Abstract OBJECTIVE: To identify the pattern of the clinical, radiological, diagnostic procedures and loss to follow -up of the diagnosed cases of active tuberculosis (TB adolescents. METHODS: This study was a retrospective analysis of the medical records of 143 adolescents aged 10 to 18 years with tuberculosis who were admitted TB wards of National Research Institute of Tuberculosis and Lung Disease (NRITLD in Tehran, Iran, between March 2006 and March2011. RESULTS: Of the 143 patients identified, 62.9% were females. Median age of the patients was 16 years. The contact source was identified in 47.5%.The most common presenting symptom was cough (86%.Isolated pulmonary TB (PTB was detected in 113 patients (79%, 21 patients (14.7% had extrapulmonary TB(EPTB, and 9 patients (6.3% had PTB and EP TB .The most common site of  EPTB was pleural (14% .The most common radiographic finding was infiltration (61%.Positive acid fast smears were seen in 67.8%.Positive cultures for Mycobacterium tuberculosis(M. TB were seen in 31.6%. Positive PCR results were seen in 60%.The adolescents aged 15 to 18 years were more likely to lose weight (p=0.001, smear positive (p=0.002and have positive PCR results (p=0.009. The type of TB (p=0.017 was a significant factor influencing loss to follow-up. CONCLUSIONS: Adolescents with the high rate of positive sputum smear results and the high treatment default rate are more likely to increase risk for TB transmission to the community. The TB control programs should pay more attention to prevention and treatment of TB in adolescents.     Key words: adolescents, tuberculosis, Lost to follow-up, prevention

  14. Frequency of Psychological Disorders amongst Children in Urban Areas of Tehran

    Directory of Open Access Journals (Sweden)

    Narges Joshaghani

    2010-06-01

    Full Text Available Objective: To evaluate the frequency of different psychiatric disorders among 7 to 12 years old children in urban areas of Tehran. "nMethod: A sample of 799 children (6 to 11 years old were selected from 250 clusters of the entire 22 municipality areas of Tehran using a multistage sampling method from 250 clusters from the entire 22 municipality areas of Tehran. . After responding to a Persian version of the Strengths and Difficulties Questionnaire (SDQ parent-report form, the Persian version of Kiddie Schedule for Affective Disorders and Schizophrenia - Present and Lifetime (K-SADS-PL was administered to 241 children and their families. The frequency of child psychological disorders was determined using the results of K-SADS-PL. "n Results:The overall frequency of any psychological disorders in the sample of children was 17.9 percent. Among the interviewed children childrenwho were interviewed, the most prevalent diagnoses were Attention-Deficit/ Hyperactivity Disorder (ADHD (8.6 percent8.6%, Oppositional Defiant Disorder (ODD (7.3 percent7.3%, and separation anxiety disorder (SAD (5.9 percent5.9%. There were not any statistically significant differences between sexes in the frequency of psychological disorders except enuresis that was more frequent in the boys and anorexia nervosa that was observed more frequently in the girls . "nConclusion:Higher frequency of ADHD and ODD and SAD among the studied children warrantswarrants more specific evaluation of frequency and possible causes of these high frequency rates. The frequency of psychological disorders in the studied children was comparable to the that of other studies.

  15. Assessing the Oldness and Capacity of Radiography and Ultrasound Equipments in Tehran University of Medical Sciences

    International Nuclear Information System (INIS)

    Salamati, Payman; Ghanaati, Hossein; Ghasemzadeh, Shahram; Jalali, Amir Hossein

    2013-01-01

    Maintenance of imaging equipment is a very important part of the management of all medical imaging centers. To assess the oldness and capacity of radiography and ultrasound equipment in Tehran University of Medical Sciences. The study was performed in 16 hospitals, 4 faculties and three healthcare centers of Tehran University of Medical Sciences. We evaluated all the X-ray equipment (including the simple plain and dental, panorex, mammography, fluoroscopy and C-arm X-Ray devices) and also simple and Doppler ultrasound machines in terms of the type and usage of the device, production year, quantity of utilization, location, brand and current condition. Among fixed X-ray systems, 15 were currently in use, two were junk, two were damaged, and one was not utilized. The mean (SD) of the usage of these was 2151 (2230) cliché/month, and the mean (SD) of the oldness was 16.9 (13.6) years. The oldness of radiography equipment in our study was more than 20 years in 16, between 11 and 20 in 46, and less than 10 years in 76 devices. The mean (SD) usage (patients/month) of simple and color Doppler devices were 234.1 (365.2) and 597.5 (505.3), respectively. The oldness of ultrasonography equipment in our study was more than 11 years in 12 and less than 10 years in 55 devices. We found that 22 (15.9%) of the radiography systems and two (3%) of the ultrasonography systems had been used for more than 20 years. Radiology equipment in Tehran University of Medical Sciences have potential capacity, but they need repair, and better maintenance and management and application of standards for the imaging system needs organized supervisory mechanisms

  16. The knowledge and attitude of general dentists toward denture adhesives in Tehran

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    Fakhri Hamidreza

    2009-01-01

    Full Text Available Background: The purpose of this study was to generate discussion and communication among a group of general dentists in Tehran on their viewpoints regarding denture adhesives. Have they accepted denture adhesive as a material to enhance denture retention, stability and function? Materials and Methods: In the summer of 2007, a questionnaire was mailed to 300 general dentists who were assigned with a random systematic sampling method from general dentists in Tehran. The questions were arranged in two parts of evaluating knowledge and attitude. In evaluation of knowledge, dentists were classified into groups of good, moderate, weak and lack of knowledge. In evaluation of attitude, dentists were classified into positive, moderate and negative groups. (Evaluating attitude was carried out in good and moderate groups of knowledge. Results: The study showed that 14%, 32% and 37% of the general dentists had respectively good, moderate and weak knowledge toward denture adhesive while 16.3% had no knowledge about this material. In evaluation of attitude through dentists with positive and moderate knowledge toward denture adhesive, 9.3%, 71.3% and 19.4% had respectively positive, moderate and negative attitude toward denture adhesive. The χ2 test showed a significant statistical relation between situation of knowledge and experiences of dentists. Discussion: This study demonstrated that the rate of knowledge of these 300 general dentists in Tehran towards denture adhesives has not been in a good situation. It is believed that denture adhesive be able to enhance the fitness of a denture and provide psychological relief to the patient. Dentists agreed that education, not only for practitioners but also for patients, would raise the advantageous features and reduce the misuse of denture adhesive. Education of the topic "Denture adhesive" should be more concerned in dental universities.

  17. Qualitative Case Study Research as Empirical Inquiry

    Science.gov (United States)

    Ellinger, Andrea D.; McWhorter, Rochell

    2016-01-01

    This article introduces the concept of qualitative case study research as empirical inquiry. It defines and distinguishes what a case study is, the purposes, intentions, and types of case studies. It then describes how to determine if a qualitative case study is the preferred approach for conducting research. It overviews the essential steps in…

  18. Financial Perspective of Private Pharmacies in Tehran (Iran; Is It a Lucrative Business?

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    Khosro Keshavarz

    2012-10-01

    Full Text Available Background and purpose of the study:Pharmacies as direct providers of medicine and pharmaceutical services to patients have animportant role in the health status of a society. The assessment of their financial situations by healthcare policy makers is necessary to prevent any negative effects on population’s health.In this study we aim to analyze the financial status of pharmacies in Tehran, Iran.Methods:This study is a cross-sectional study based on a survey. Two-hundred and eighty-eight private community daytime pharmacies in Tehran were selected by random sampling. We used two questionnaires to collect data regarding cost, expense and income factors of private pharmacies and the significance of each of them from these selected pharmacies. The data was collected in 2011 from Tehran pharmacies. Profitability of pharmacies in Tehran, Iran was calculated in its current situation and then estimated for three defined scenarios: 1. The dispensing fee is omitted (ceteris paribus, 2. Pharmacies are prohibited from selling hygienic& cosmetic products (ceteris paribus, 3. Scenarios 1 and 2 together (ceteris paribus. These data were analyzed by using SPSS and descriptive-analytic statistics.Results:About 68% of interviewees responded to our questionnaires. Our analysis indicated that the average annual costs (and expenses, income and profits of pharmacies are 73,181; 106,301;and 33,120 United States Dollar (USD, respectively. The analysis indicated that omission of dispensing fee (scenario 1 and prohibition of pharmacies from selling hygienic & cosmetic products (scenario 2 would decrease income of pharmacies to 18438 and 14034 USD/year,respectively. According to respondents, the cost (or expense of properties and buildings,energy, taxes, delays in reimbursement by insurance companies, and renting the place of pharmacy could be considered as cost factors and prescription medicines, OTC medicines,dispensing fees, hygienic & cosmetic products, and long

  19. Financial perspective of private pharmacies in Tehran (Iran; is it a lucrative business?

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    Keshavarz Khosro

    2012-10-01

    Full Text Available Abstract Background and purpose of the study Pharmacies as direct providers of medicine and pharmaceutical services to patients have an important role in the health status of a society. The assessment of their financial situations by healthcare policy makers is necessary to prevent any negative effects on population's health. In this study we aim to analyze the financial status of pharmacies in Tehran, Iran. Methods This study is a cross-sectional study based on a survey. Two-hundred and eighty-eight private community daytime pharmacies in Tehran were selected by random sampling. We used two questionnaires to collect data regarding cost, expense and income factors of private pharmacies and the significance of each of them from these selected pharmacies. The data was collected in 2011 from Tehran pharmacies. Profitability of pharmacies in Tehran, Iran was calculated in its current situation and then estimated for three defined scenarios: 1. The dispensing fee is omitted (ceteris paribus, 2. Pharmacies are prohibited from selling hygienic & cosmetic products (ceteris paribus, 3. Scenarios 1 and 2 together (ceteris paribus. These data were analyzed by using SPSS and descriptive-analytic statistics. Results About 68% of interviewees responded to our questionnaires. Our analysis indicated that the average annual costs (and expenses, income and profits of pharmacies are 73,181; 106,301; and 33,120 United States Dollar (USD, respectively. The analysis indicated that omission of dispensing fee (scenario 1 and prohibition of pharmacies from selling hygienic & cosmetic products (scenario 2 would decrease income of pharmacies to 18438 and 14034 USD/year, respectively. According to respondents, the cost (or expense of properties and buildings, energy, taxes, delays in reimbursement by insurance companies, and renting the place of pharmacy could be considered as cost factors and prescription medicines, OTC medicines, dispensing fees, hygienic & cosmetic

  20. A parathyroid scintigraphy case study

    International Nuclear Information System (INIS)

    O'Leary, Desiree

    2005-01-01

    Background: There has been much debate concerning the most suitable protocol for parathyroid scintigraphy; the merits of various radiopharmaceuticals versus the correct imaging protocol to visualise both ectopic and anatomically placed adenomas against the various equipment choices have been debated. Aim: To demonstrate, through the use of a case study, the necessity of changing imaging protocols for parathyroid scintigraphy where a definitive imaging diagnosis is absent in the face of strong clinical suspicion. Method: Use is made of Tc99mMIBI, full field chest scintigraphy, a clearly defined imaging protocol and SPECT imaging to locate ectopic parathyroid tissue in a female patient with significant symptoms of parathyroid hyperfunction. Results: A single hyperfunctioning adenoma is located in the pre-carinal area of the mediastinum. Using a radioguided surgical technique the hyperfunctioning tissue is excised and confirmed by histopathology. Conclusion: Whilst a dramatic reduction in patient symptoms was not seen immediately in this patient, the symptoms of the illness have been subsiding since January 2003. This case study demonstrates the necessity of changing imaging protocols for parathyroid scintigraphy where a definitive imaging diagnosis is absent in the face of strong clinical suspicion

  1. Job satisfaction and its influential factors in dental academic members in tehran, iran.

    Science.gov (United States)

    Seraj, B; Ghadimi, S; Mirzaee, M; Ahmadi, R; Bashizadeh, H; Ashofteh-Yazdi, K; Sahebjamee, M; Kharazi, Mj; Jahanmehr, M

    2014-03-01

    Assessment of job satisfaction of the faculty members and its underlying factors may increase career fulfillment and raise the educational and research productivity, leading to higher quality of dental services at the community level, ultimately improving public oral health status. This study assessed job satisfaction and its influential factors in dental academic members in Tehran. The job satisfaction level of 203 faculty members was assessed using a Likert scale questionnaire from 0 to 4, with 4 representing very satisfied and 0 not at all satisfied. The analysis of variance was used to compare the responses among dental faculty members of three different universities. The impact of age, gender, academic rank, employment status and the date of employment on the overall faculty job satisfaction was identified by multiple linear regression analysis. The mean professional satisfaction score among faculty members was 1.5 (0.5) out of four. Among the studied underlying factors, only the date of employment was seen to have a statistically significant impact on the faculties' overall job satisfaction (P= 0.05). There was no difference in job compensation observed between the three dental faculties. Dissatisfying aspects of the academic work included educational and research policies, monetary strategies, quality of leadership and administration, promotion and tenure policies, job security, educational environment, equipments, and facilities. The only satisfying factor was the interaction between faculty colleagues and students. Faculty members of Tehran Dental Schools are dissatisfied with their work environments in Tehran Dental Schools. Issues such as salary and remuneration, facilities, equipments, promotion and tenure policies are strongly believed to account for the dissatisfaction.

  2. The impact of conditional and unconditional conservatism on trade credit: evidence of Tehran Stock Exchange

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    Samin KOHANSAL

    2017-02-01

    Full Text Available The aim of this research is to examine the impact of conditional and unconditional conservatism on the trade credit of companies listed at the Tehran Stock Exchange. In this respect, using a systematic deletion sampling, 74 companies were chosen and studied during the period 2009 to 2013. The method of testing the research hypotheses was a multivariate regression using estimated generalized least square. The results of the research indicated that conditional and unconditional conservatism are positively and significantly related to the trade credit of the companies; in other words, if a higher level of conservatism is used and types of conservatism grow, more trade credit will accrue to companies.

  3. Evaluation of urine mercury level of dentists in Tehran and its influencial factors

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    Tabatabaei M.

    2006-08-01

    Full Text Available Background and Aim: Dentists are exposed to mercury from dental amalgam in their routine occupational practice. Excess exposure to mercury is harmful and the measurement of mercury content of urine is a reliable and valid assessment of the level of mercury exposure from dental amalgam. The aim of this study was the measurement of urine mercury in dentists of Tehran and assessment of some possible related factors. Materials and Methods: This cross-sectional study was performed randomly on 211 dentists in all regions in Tehran city (center, north, south, west, and east between 1381 and 1383. Dentists were asked to give a sample of urine in the day of visit and to complete a questionnaire consisting of variables such as age, working history, handling of amalgam, environmental parameters and general health situation. Urine samples were analyzed by cold vapour atomic absorption spectrophotometry. Data were analyzed by Kruskall Walis, Kendall and Mann Whitney tests, with p<0.05 as the limit of significance. Results: The mean of urine mercury content in Tehran dentists was 3.1 (± 3.95 which was lower than the international TLV (Threshold Limit Value. There was a significant relation between urine mercury level and working hours per day (P=0.006. This relation was observed with working hours per week too (P=0.006. In general dentists, there was a positive relation between urine mercury and age (0.008 as well as the practicing years (P=0.034. A significant relation was found between urine mercury and the number of amalgam repairs and replacements in restorative specialists (p=0.039. There was a significant relation between the number of amalgam fillings in the mouth and urine mercury in general practitioners (p=0.027. The type of amalgam (predosed capsules or bulk powder had a significant effect on the urine mercury content (P=0.001. There was no significant relation between urine mercury and other variables of the study such as the squeezing of

  4. Financial perspective of private pharmacies in Tehran (Iran); is it a lucrative business?

    Science.gov (United States)

    Keshavarz, Khosro; Kebriaeezadeh, Abbas; Meshkini, Amir Hashemi; Nikfar, Shekoufeh; Mirian, Iman; Khoonsari, Hasan

    2012-10-22

    Pharmacies as direct providers of medicine and pharmaceutical services to patients have an important role in the health status of a society. The assessment of their financial situations by healthcare policy makers is necessary to prevent any negative effects on population's health. In this study we aim to analyze the financial status of pharmacies in Tehran, Iran. This study is a cross-sectional study based on a survey. Two-hundred and eighty-eight private community daytime pharmacies in Tehran were selected by random sampling. We used two questionnaires to collect data regarding cost, expense and income factors of private pharmacies and the significance of each of them from these selected pharmacies. The data was collected in 2011 from Tehran pharmacies. Profitability of pharmacies in Tehran, Iran was calculated in its current situation and then estimated for three defined scenarios: 1. The dispensing fee is omitted (ceteris paribus), 2. Pharmacies are prohibited from selling hygienic & cosmetic products (ceteris paribus), 3. Scenarios 1 and 2 together (ceteris paribus). These data were analyzed by using SPSS and descriptive-analytic statistics. About 68% of interviewees responded to our questionnaires. Our analysis indicated that the average annual costs (and expenses), income and profits of pharmacies are 73,181; 106,301; and 33,120 United States Dollar (USD), respectively. The analysis indicated that omission of dispensing fee (scenario 1) and prohibition of pharmacies from selling hygienic & cosmetic products (scenario 2) would decrease income of pharmacies to 18438 and 14034 USD/year, respectively. According to respondents, the cost (or expense) of properties and buildings, energy, taxes, delays in reimbursement by insurance companies, and renting the place of pharmacy could be considered as cost factors and prescription medicines, OTC medicines, dispensing fees, hygienic & cosmetic products, and long-term payment to pharmaceutical distribution companies as

  5. An application of DEA method for ranking different Tehran municipality branches

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    Seyed Hossein Miri

    2014-05-01

    Full Text Available Measuring the performance of governmental organizations plays essential role on making strategic decisions. In this paper, we present an empirical investigation to measure the performance of 22 different branches of municipalities in city of Tehran, Iran. The proposed study uses data envelopment analysis (DEA for measuring the relative efficiencies of various units. The proposed DEA uses fixed assets, employee expenses and total income as input and Green Space Development, Resumption and Waste, Development of Cultural Spaces as well as Improvement of Passages and highways are considered as the output of the model. The results indicate that 9 regions were operating efficiently and 14 regions were inefficient.

  6. Quality of Life, Motor Ability, and Weight Status Among School-aged Children of Tehran

    OpenAIRE

    M Asghari Jafarabadi; A Bahram; F Khodaverdi

    2012-01-01

    Background: This study aimed to investigate the relationship between health Related quality of life (HRQOL), motor ability and weight status in children.Methods:Two hundred forty children ages 9-11 yr who were selected via multi stage cluster sampling design from primary schools in the Shahre Qods at Tehran,Iran in 2007. HRQOL was assessed by the pediatric quality of life inventory (PedsQL).Motor abilities were determined by a Basic Motor Ability Test (BMAT).Body mass index was calculated to ...

  7. The study of hemorrhoid cases in children in Amir-Kabir and Bahrami hospitals, 1362-78

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    Poorang H

    2000-09-01

    Full Text Available Hemorrhoid is one of the anorectal disorders in children, which is reported to be complication of portal hypertension. This condition is not common in children. We found only 7 cases from 30000 operation done in Tehran university hospital on pediatric group between 1983-99. The main complain of these 7 cases was anorectal mass (43% and pain due to thrombosis (28.5% treatment of all 7 cases was successful and no other pathology found.

  8. The study of hemorrhoid cases in children in Amir-Kabir and Bahrami hospitals, 1362-78

    OpenAIRE

    Poorang H

    2000-01-01

    Hemorrhoid is one of the anorectal disorders in children, which is reported to be complication of portal hypertension. This condition is not common in children. We found only 7 cases from 30000 operation done in Tehran university hospital on pediatric group between 1983-99. The main complain of these 7 cases was anorectal mass (43%) and pain due to thrombosis (28.5%) treatment of all 7 cases was successful and no other pathology found.

  9. Earthquake Vulnerability Assessment for Hospital Buildings Using a Gis-Based Group Multi Criteria Decision Making Approach: a Case Study of Tehran, Iran

    Science.gov