Showing 5 results for Mahmoodi
Dr Kataun Samimi Rad, Mr Babak Shahbaz, Mr Mahdi Noroozi, Dr Mahmood Mahmoodi, Mr Masoud Fayaz Vaseghi,
Volume 9, Issue 1 (3-2006)
Abstract
Introduction: A high prevalence of HCV infection among hemodialysis patients has been reported worldwide. Risk factors such as history of blood transfusion, duration of hemodialysis and recently nosocomial transmission of HCV in hemodialysis units have been identified. In this study the prevalence of Hepatitis C virus antibody and risk factors in hemodialysis patients in Markazi province is investigated. Materials and Methods: In this cross-sectional analythical study, blood samples were obtained from all 204 hemodialysis patients. Samples were tested for anti-HCV antibodies by using third generation enzyme immunoassay. The reactive samples on ELISA were confirmed by the third generation RIBA. Risk factors were evaluated by a questionnaire. Data was analysed using Chi square and logistic regression. Results: The prevalence of anti-HCV antibody among hemodialysis patients was 4.9%.Duration of hemodialysis was identified as a major risk factor in transmission of HCV (p=0.004). There was a significant relationship between anti-HCV positivity and previous renal transplantation (p=0.032). Female sex was another risk factor for HCV infection (p=0.030). There was no significant relationship between anti-HCV positivity and history of blood transfusion. Conclusion: Nosocomial transmission of HCV within hemodialysis units seems to be a route of infection in patients on hemodialysis in Markazi province. Application of dialysis precautions recommended by CDC can reduce the prevalence of HCV infection among hemodialysis patients in this province.
Malak Soleimani Mehranjani, Seyed Mohammad Shariat-Zadeh, Parisa Maleki, Monireh Mahmoodi,
Volume 10, Issue 4 (12-2007)
Abstract
Introduction: Sodium arsenite is an environmental pollutant which its amounts in industrial cities are more than other places because of its use in chemical industry. Human populations are exposed to this chemical compound through food, soil, air and water which has toxic and histopathological effects on different body organs including kidney. The aim of this investigation is to study the quantitative histopathological effects of sodium arsenite on the kidney structure of rats. Materials and Methods: 12 male Wistar rats with mean body weight of 200±20 g were randomly divided into 2 groups (n=6). One treated with sodium arsenite (8 mg/kg/day in drinking water) and the other one (the control group) received drinking water only. 2 months after treatment the rats were weighed, anesthetized with ether and dissected. The left kidney was taken out, cleaned, weighed and then fixed in 10% formaldehyde solution. After obtaining 1mm thick slices, tissue processing was carried out, then 5µm thick sections were prepared and stained using H&E method. Slides were finally studied stereologically and data was statistically analyzed using paired sampled t-test and the means were considered significantly different at p<0.05. Results: The results of this investigation indicated significant reduction in the total mean volume of kidney (p<0.001), cortex (p<0.001), and medulla (p<0.003) in sodium arsenite treated group compared to the control rats. The mean volume of tubules and interstitial tissue as components of cortex reduced significantly compared to the control group (p<0.003).The mean volume of glomeruli and Bowman's capsule was significantly reduced in treated group (p<0.001), while the other components did not show a significant reduction in volume. A significant reduction was also found in the kidney (p<0.002) and the body weight (p<0. 01) in the treated group compared to the control ones at the end of the experiment. Conclusion: It was concluded that exposure to sodium arsenite leads to histopathological changes in kidney structure, however more studies are needed to determine the effects of these structural changes on the kidney function.
Asma Mahmoodi, Farhad Ghadiri, Ali Rashidi-Pour,
Volume 21, Issue 4 (8-2018)
Abstract
Background and Aim: Stress is a powerful modulator of memory performance. Emotional arousal affects the various aspects of learning and memory through stimulation of the amygdala or the hippocampus. The aim of the present study was to investigate the effects of stress related acute exercise on reconsolidation of dart throwing task learned with errorless method.
Materials and Methods: Participants of the study included 60 girls with an average age of 20.5 who were randomly assigned to three groups including: target (n = 20), control (n=20), and control 2 (n = 20). On the first day, all three groups under the same conditions acquired the skill of throwing darts in an errorless method and immediately after that performed the immediate retrieval. On the second day, after memory reactivation, the target group was exposed to stress resulting of acute exercise while the control 1 group did rest. The acute stress was presented to control 2 group without memory reactivation. During the experiment, changes in salivary cortisol were measured. On the third day, the delayed memory retrieval for each of the three groups was implemented.
Findings: the results showed that while the control 1 and control 2 groups did not show enhancement of dart throwing learning across delayed memory retrieval than immediate retrieval, the target group showed substantial enhancement across the same time (p<0.05).
Conclusion: Our findings indicate that acute stress after memory reactivation can facilitate the implicit motor memory reconsolidation in women.
Dr Rahmatolah Khosravanpoor, Dr Mahnoush Mahmoodi, Mr Marzieh Khosravanpoor, Dr Mahnoush Reisi,
Volume 25, Issue 4 (October & November 2022)
Abstract
Introduction: The use of digital games is highly prevalent among adolescents and can adversely affect their physical and mental health. The aim of this study was to determine the predictors of the stages of change in problematic digital games in high school students using a transtheoretical model.
Methods: This descriptive-analytical cross-sectional study was performed on 703 high school students in Bushehr 2020. A valid and reliable researcher-made questionnaire was performed for data gathering and analyzed using SPSS ver. 22 by descriptive indices, one-way ANOVA, chi-square, and rank ordered logistic regression. The present research was approved at Research Ethical Committee of Bushehr University of Medical Sciences (Code: IR.BPUMS.REC.1398.101).
Results: According to the results, self-efficacy, dramatic relief and social freedom were the predictors of the change stages of reducing and quitting digital games. This means that girls and students with higher self-efficacy (P = 0.037, OR = 1.054), have a better chance of being in higher stages of change and by increasing a unit of dramatic relief score (P = 0.025, OR = 1) and social freedom (OR = 1.135, P <0.001), the chances of individuals to be in the upper stages of change increased.
Conclusions: It seems that the design of educational interventions based on self-efficacy variables and taking into account the change processes of dramatic relief and social freedom, which increase the chances of people to be placed in higher stages of change, in reducing the behavior of digital games of students, especially for boys will be effective.
Seyed Abdollah Mahmoodi,
Volume 28, Issue 2 (4-2025)
Abstract
Introduction: Today, declining birth rates and families’ reluctance to have children for various reasons pose challenges for both individuals and societies. One of the key factors influencing fertility is individuals’ attitudes toward this issue, with religious beliefs being among the most fundamental perspectives. The Islamic faith, in particular, has addressed this matter in numerous verses and narrations. This study aims to explore Islamic religious sources’ viewpoints regarding fertility.
Methods: The research is based on an extensive review of authentic library documents and data from various databases such as PubMed, Scopus, ScienceDirect, as well as search engines like Google Scholar. The findings indicate that, in addition to several verses in the Quran, Islamic texts related to the Imams, such as Nahj al-Balagha and Sahifa Sajjadiya, explicitly encourage childbearing and population growth, while condemning population decline. These sources identify four general factors—individual, economic, political system, and social-cultural status—that influence population increase or decrease.
Conclusions: Given the valuable Islamic resources regarding childbearing and the existing challenges in societies related to population decline and aging, it is possible to take significant steps to improve individuals’ and families’ attitudes toward childbearing by reinforcing Islamic lifestyles and religious beliefs.
