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Papers by narges khodadadi

Journal of Clinical Research in Paramedical Sciences

Background: Pulmonary Manifestations and damage are one of the most serious problems in COVID-19 ... more Background: Pulmonary Manifestations and damage are one of the most serious problems in COVID-19 patients. Objectives: This study aimed to describe the epidemiological, clinical, and imaging characteristics of patients infected with this virus in the first wave of the COVID-19 epidemic. Methods: By census approach, data were collected from two coronavirus referral hospitals in Ahvaz, the capital of Khuzestan province (southwestern Iran), from June to August 2020. Using a researcher-made checklist, study data were collected: including epidemiological information, signs and symptoms, abnormal chest X-ray and CT-scan findings, underlying conditions and comorbidity, and patient treatment outcome. Results: This study included 375 approved COVID-19 patients with a mean age of 55.5 ± 18.6 years (50.9% male and 49.1% female). The most common underlying diseases included diabetes (23.2%) and cardiovascular diseases (21.9%). Cough (62.4 percent), shortness of breath (57.1 percent), and fever ...

BMC Pediatrics

Background Asthma and allergic complications are the most common chronic disorders in children an... more Background Asthma and allergic complications are the most common chronic disorders in children and adolescents. This study aimed to determine the prevalence and severity of asthma, allergic rhinitis, eczema among schoolchildren, and some related risk factors. Methods The cross-sectional study was performed in 2019 and involved 4000 students aged 6–7 years and 4000 students aged 13–14 years (both girls and boys) from urban schools in Khuzestan Province, southwestern Iran. We used the multi-stage sampling method. Data were collected using the Persian version of the International Study of Asthma and Allergies in Childhood (ISAAC) questionnaire. Results The prevalence of current wheeze, wheeze ever and asthma ever in the age group of 6–7 years was 3.8, 4.5, and 1.8%, respectively; in the age group of 13–14 years, it was 4.4, 5.9, and 3.4, respectively. In terms of gender, males (4.9, 6.0, and 2.7 percent, respectively) had substantially higher rates of current wheeze, wheeze ever, and a...

Reproductive Health

Background Climate change may jeopardize the health of mothers and their offspring. There are few... more Background Climate change may jeopardize the health of mothers and their offspring. There are few studies on the association between increasing temperature and pregnancy outcomes. The aim of this study was to investigate the relation between Universal Thermal Climate Index (UTCI) and adverse pregnancy outcomes including stillbirth, low birth weight (LBW), preterm labor (PTL), spontaneous abortion (SA), preeclampsia and hypertension in Ahvaz, Iran. Methods Distributed Lag Non-linear Models (DLNM) combined with quasi-Poisson regression were used to research the effect of UTCI on adverse pregnancy outcomes. The effect of time trend, air pollutants (NO2, SO2 and PM10), and weekdays were adjusted. Results The results showed that the low values of UTCI index (11.6 °C, in lags 0–6, 0–13) caused significant increase in the risk of preterm labor. However, hot thermal stress (high UTCI) significantly increased the risk of stillbirth in lag 0–13. We did not observe any significant relation bet...

Archives of Forensic Medicine and Criminology

Background: After unprecedented demand for ethanol in the pandemic, profiteers used methanol for ... more Background: After unprecedented demand for ethanol in the pandemic, profiteers used methanol for making illegal alcoholic drink. Methods: This cross-sectional descriptive-analytical study investigated the effects of methanol poisoning on 400 patients who referred to hospitals affiliated with Ahvaz Jundishapur University of Medical Sciences from March 20 to September 20, 2020. Results: Ninety-eight-point five percent of patients had consumed alcohol for social reasons and only 0.3% had used it as a measure to avoid COVID-19. Eighty-seven percent of the patients used homemade alcohol bought from peddlers. The most common clinical symptom was gastrointestinal disorders (64.8%) and the most common complications were vision problems (12.3%). Ten-point-six percent (42 patients) of the patients died. The most important factors affecting mortality risk were dyspnea, neuropathic problems, abnormal radiological findings, dialysis, abnormal blood pressure, vision problems and dizziness. Conclu...

Caspian Journal of Neurological Sciences, 2022

Background: The prevalence and incidence of Multiple Sclerosis (MS) have increased in Iran. Objec... more Background: The prevalence and incidence of Multiple Sclerosis (MS) have increased in Iran. Objectives: This study aimed to observe the temporal trends and provide a predictive model in the prevalence and incidence of MS in Khuzestan Province, Iran. Methods: This cross-sectional study was performed from 2006 to 2019 in Khuzestan Province, Southwestern Iran, on 2676 patients registered in the Khuzestan Multiple Sclerosis Center. The simple exponential smoothing model was used to study the time trends and predict the prevalence and incidence of MS in 2020. Results: The mean(SD) age of the examined patients with MS was 31.40(8.94) years; while the mean(SD) age-incidence of MS was 29.19(9.16) years. The sex ratio (female to male) was measured as 3.05. The patients' prevalence and average annual incidences were 57.77 and 4.35per 100000 individuals from 2006 to 2019, respectively. The trend in the MS incidence has been upward with a very slight slope during the years 2006 to 2019. The...

International Journal of Prisoner Health, 2021

Purpose Prisoners are at greater risk of infectious diseases compared to the general population. ... more Purpose Prisoners are at greater risk of infectious diseases compared to the general population. While imprisoned, it is often difficult to observe Coronavirus 2019 (COVID-19) prevention strategies such as social distancing. To the authors’ knowledge, no study has been conducted worldwide to examine the condition of female prisoners with COVID-19. Therefore, this study aims to investigate the epidemiological, clinical and imaging characteristics of prisoners with COVID-19 in Ahvaz Women’s Prison (southwest, Iran). Design/methodology/approach The data for this descriptive cross-sectional study was collected using a checklist including epidemiological information, clinical symptoms, X-ray and computed tomography scan findings of the chest, underlying diseases and the final status of all female prisoners whose COVID-19 test was positive. Findings This study included 139 female prisoners with COVID-19 with a mean age of 37.19 ± 12.67 years. The most common underlying diseases were hyper...

Article full text The article associated with this page has been acce... more Article full text The article associated with this page has been accepted for online publication and is in the final stages of production. The link to the full text will be made available on this page in the next few days. The above summary slide represents the opinions of the authors. For a full list of declarations, including funding and author disclosure statements, please see the full text online (see "read the peer-reviewed publication" opposite). © The authors, CC-BY-NC 2021.

Neurology and Therapy, 2021

Introduction: Sexual dysfunction (SD) is a common complaint in patients with multiple sclerosis (... more Introduction: Sexual dysfunction (SD) is a common complaint in patients with multiple sclerosis (MS). The aim of this study was to assess the prevalence of SD and its related risk factors in men with MS in Iran. Methods: In this cross-sectional study, 320 men who had been diagnosed with MS according to the McDonald revised criteria were recruited from January to June 2019, from the north, south, east,

Archives of Environmental & Occupational Health, 2021

Evidence shows that climate change may have adverse effects on human health. The purpose of this ... more Evidence shows that climate change may have adverse effects on human health. The purpose of this study was to investigate the relation between Physiologically Equivalent Temperature (PET) and cardiovascular hospital admissions in Ahvaz. Distributed Lag Non-linear Models (DLNM) combined with quasi-Poisson regression models were used to investigate the effect of PET on hospital admissions. Low PET values (6.4 °C, 9.9 °C and 16.9 °C) in all lags, except lag 0-30, significantly decreased the risk of hospital admissions for total cardiovascular diseases, hypertension, ischemic heart diseases, and cardiovascular admissions in men, women and ≤65 years. But, low PET (6.4 °C) in lags 0 and 0-2 significantly increased the risk of hospital admissions for cerebrovascular diseases; and high PET values increased the risk of ischemic heart diseases and in men. Both cold and hot stress are involved in cardiovascular hospital admissions.

Public Health in Practice, 2021

In recent years, there has been a clear trend of increasing allergic diseases especially in child... more In recent years, there has been a clear trend of increasing allergic diseases especially in children, and developing countries are no exception. Thepresentstudy sought to determine the risk factors associated with wheezing among school children aged 6-7 and 13-14 years living in Khuzestan Province, Iran. Study design: Cross-sectional. Methods: Data for this cross-sectional study is the history of wheeze in the last 12 months. The participants included 6-7-and 13-14-year-old girls and boys studying in urban schools in Khuzestan Province in 2019. We collected the data using the multi stage sampling technique as suggested in the International Study of Asthma and Allergies in Childhood (ISAAC). The research reviewed the literature and consulted experts to collect the risk factors for demographic and clinical information, environmental exposure and lifestyle. Results: Eight thousand questionnaires were handed out to both age groups, of which 7344 were completed. Two hundred ninety-nine (4.1 %) of the participants had current wheeze. Three-point four percent (124 individuals) in the 6-7 year age group and 4.8 % in the 13-14-year-old age group had current wheezing. The results of the logistic regression model suggest that the most significant risk factors associated with the chance of developing current wheeze in the both age groups are: being male (

Environmental Science and Pollution Research, 2021

Although Ahvaz is considered as one of the warmest cities around the world, few epidemiological s... more Although Ahvaz is considered as one of the warmest cities around the world, few epidemiological studies have been conducted on the adverse effects of temperature on human health using thermal indices in this city. This study investigates the relation between physiologically equivalent temperature (PET) and respiratory hospital admissions in Ahvaz. Distributed lag non-linear models (DLNMs) combined with quasi-Poisson regression models were used to investigate the relation between PET and respiratory disease hospital admissions, adjusted for the effect of time trend, air pollutants (NO2, SO2, and PM10), and weekdays. The analysis was performed by utilizing R software. Low PET values significantly decreased the risk of hospital admissions for total respiratory diseases, respiratory diseases in men and women, chronic obstructive pulmonary diseases (COPD), and bronchiectasis. However, low PET (16.9°C) in all lags except lag 0–30 significantly increased the risk of hospital admissions for asthma. The results indicate that in Ahvaz, which has a warm climate, cold weather decreased overall respiratory hospital admissions, except for asthma.

BMC Pregnancy and Childbirth, 2021

Background There are few epidemiological studies on the relation between temperature changes and ... more Background There are few epidemiological studies on the relation between temperature changes and adverse pregnancy outcomes. The purpose of this study was to determine the relation between Physiological Equivalent Temperature (PET) with adverse pregnancy outcomes including stillbirth, low birth weight (LBW), preterm labor (PTL), spontaneous abortion (SA), preeclampsia and hypertension in Ahvaz, Iran. Methods Distributed Lag Non-linear Models (DLNM) combined with quasi-Poisson regression were used to investigate the effect of PET on adverse pregnancy outcomes. In this study the effect of time trend, air pollutants (NO2, SO2 and PM10), and weekdays were adjusted. Results High PET (45.4 C°, lag = 0) caused a significant increase in risk of stillbirth. Also, high levels of PET (45.4, 43.6, 42.5 C°, lag = 0–6) and low levels of PET (9.9, 16.9 C°, lags = 0, 0–13, 0–21) significantly increased the risk of LBW. But, low levels of PET (6.4, 9.9, 16.9 C°, lags = 0–6, 0–13) reduced the risk of...

Toxin Reviews, 2020

Abstract Recently the short term effects of air pollutants on cardiovascular and respiratory morb... more Abstract Recently the short term effects of air pollutants on cardiovascular and respiratory morbidity and mortality has attracted the attention of many researchers. This study comprehensively examined the association between short-term exposure to particulate matter (PM) and carbon monoxide (CO), on non-accidental mortality, and mortality due to respiratory, cardiovascular, and cerebrovascular diseases. Daily death and air pollutants data including PM10, PM2.5, and CO from 2008 to 2017 was inquired. A time-series study using modified linear distributed lag models, combined with quasi-Poisson regression was conducted for evaluating the effect of pollutants on mortality up to 7 days lag; adjusted for day of the week, temperature and relative humidity. A significant and direct relation was seen between PM2.5 and non-accidental, and respiratory deaths. For every 10 /m3 increase in PM2.5, the risk of non-accidental deaths increased 0.1% after 2 and 6 days lag, and the risk of respiratory deaths increased 0.4% after 5 days lag. Also, for every 10 /m3 increase in PM10, hypertension related death increased 0.2% after 4 days lag. Ultimately, for every 10 /m3 increase in CO, hypertension related death increased 30.5%, ischemic heart disease deaths increased 21.1%, and cerebrovascular disease related deaths increased 42.6%; after 7, 1, and 4 days lag respectively. Short-term encounter with PM and CO is associated with increased mortality. Urban and rural residents should avoid polluted air especially during dust storms. More serious air pollution control is needed in Ahvaz.

Environmental Geochemistry and Health

Climate change may be associated with human morbidity and mortality through direct and indirect e... more Climate change may be associated with human morbidity and mortality through direct and indirect effects. Ahvaz is one of the hottest cities in the world. The aim of this study was to investigate the relation between physiological Equivalent Temperature (PET) and non-accidental, cardiovascular and respiratory disease mortality in Ahvaz, Iran. Distributed Lag Non-linear Models (DLNM) combined with quasi-Poisson regression were used to investigate the effect of PET on death. The effect of time trend, air pollutants (NO2, SO2 and PM10), and weekdays were adjusted.The results showed that in cold stress [1st percentile of PET (2.7 °C) relative to 25th percentile (11.9 °C)] the risk of total respiratory mortality, respiratory mortality in men, and mortality in people under 65 year olds, significantly decreased in the cumulative lags of 0–2, 0–6 and 0–13; but the risk of respiratory mortality increased in the elderly and in the final lags. In contrast, heat stress [99th percentile of PET (44.9 °C) relative to 75th percentile (43.4 °C)] significantly increased the risk of total cardiovascular mortality (CVD), cardiovascular mortality in men, ischemic heart disease and cerebrovascular disease mortality in lags 0 and 0–2. It seems that high PET values increase the risk of cardiovascular mortality, while low PET values increase respiratory mortality only among the elderly in Ahvaz.