300,263 results match your criteria: "Iran; Laval University[Affiliation]"

Background: The coexistence of obesity and hypertension (HTN) is a global health concern due to its association with various health abnormalities. This study targeted the association between uncontrolled HTN-defined according to the JNC8 guidelines- and different obesity patterns (general and abdominal) among adult hypertensive individuals.

Methods: Data for the present investigation were obtained from the 2021 STEPwise Approach to NCD Risk Factor Surveillance (STEPS) national survey in Iran.

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The effects of TECAR therapy on pain, range of motion, strength and subscale of HAGOS questionnaire in athletes with chronic adductor related groin pain: a randomized controlled trial.

BMC Musculoskelet Disord

January 2025

Department of Physiotherapy, Iranian Center of Excellence in Physiotherapy, Rehabilitation Research Center, School of Rehabilitation Sciences, Iran University of Medical Sciences, Madadkaran All., Shahnazari St., Madar Sq., Mirdamad Blvd., Tehran, Iran.

Introduction: Groin pain is a common issue among athletes. Adductor-related pain is known as the most common cause of groin pain. Although, non-operative treatments have limited efficacy, Capacitive and Resistive Energy Transfer (TECAR), can be used in the treatment of musculoskeletal conditions.

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Prevalence and associated factors of anxiety and depression among patients with hypothyroidism in Southern Iran.

BMC Psychiatry

January 2025

Social Determinants of Health Research Center, Institute for Futures Studies in Health, Kerman University of Medical Sciences, Kerman, Iran.

Purpose: Depression and anxiety are the main disorders in patients suffering from hypothyroidism. These disorders can lead to increased patient suffering. Since hypothyroidism is one of the most prevalent endocrine diseases, controlling the metabolic variables that increase the severity of anxiety and depression is important.

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Introduction: Considering the importance of sleep disorders in children with attention-deficit/hyperactivity disorder (ADHD) and effective therapeutic strategies, the present study aimed to investigate the effects of auriculotherapy on sleep quality in children with ADHD.

Materials And Methods: This clinical trial was conducted in children with ADHD in Kashan, Iran, 2021-2022. Fifty-two eligible samples were selected using convenience sampling and randomly assigned to intervention and sham groups.

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Background: Microbial cholesterol oxidase (ChoX) has wide clinical and industrial applications; therefore, many efforts are being made to identify promising sources. This study aimed to isolate a novel ChoX-producing bacterial strain from whey samples.

Results: The most efficient strain was selected based on extracellular ChoX-producing ability and characterized as Escherichia fergusonii (E.

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Ovarian cancer remains a major challenge in oncology due to its complex biology and late-stage diagnosis. Recent advances in molecular biology have highlighted the crucial role of non-coding RNAs (ncRNAs) in regulating apoptosis and cancer progression. NcRNAs, including microRNAs, long non-coding RNAs, and circular RNAs, have emerged as significant players in the molecular networks governing ovarian cancer.

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Skin cancer is the commonest malignancy for the population. Conventional skin cancer treatments include chemotherapy and surgery, but a large number of the chemotherapeutic drugs applied currently have undesirable possessions. The aim of this study is to provide a complete and acute assessment of the antitumor capability of gold nano-formulations in skin cancer as a new and more effectual delivery system for targeted therapy.

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Supranormal renal function in pediatric ureteropelvic junction obstruction: a multiparameter analysis to guide clinical management.

Int Urol Nephrol

January 2025

Pediatric Urology and Regenerative Medicine Research Center, Children's Medical Center, Tehran University of Medical Sciences, No. 62, Dr. Gharib's Street, Keshavarz Boulevard, Tehran, 1419433151, Iran.

Background: The clinical significance and optimal management of supranormal differential renal function (DRF ≥ 55%) in pediatric ureteropelvic junction obstruction (UPJO) remain debated. This study investigated supranormal DRF clinical characteristics and evaluated surgical versus conservative management outcomes to guide decision-making.

Methods: We retrospectively reviewed 76 children with unilateral UPJO who underwent standardized DMSA and DTPA scans at a single center (2020-2022).

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In this study, the contamination, ecological and human health risks as well as source apportionment of As, Cd, Co, Cr, Cu, Mn, Ni, Pb, Zn, and V in street dusts of different land-uses in Kermanshah, Iran were investigated. A total of 192 dust samples were taken from 16 sites and were analyzed for their elemental contents using ICP-OES. The computed mean values for the geo-accumulation index (I-geo) and the pollution index (PI) ranged from - 6.

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Climate change is a serious challenge to pastoralism in rangelands. Adaptation strategies adopted by pastoralists can reduce their livelihood vulnerability to cope with adverse effects of climate change. This study was done to investigate the adaptation strategies of pastoralists in the north of Golestan province, Iran.

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A bright future lies ahead for the application of natural biocomposites in the food industry. In this research, edible biocomposite films were created using sodium caseinate (SC)-gum tragacanth (GT) and incorporating carum carvi seed essential oil (EO) as a nanoemulsion. Different ratios of oil were used as variables.

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Understanding rangeland desertification through pastoralist perspectives using a grounded theory approach.

Sci Rep

January 2025

Researcher of Rural Development and Social Issues in the Field of Natural Resources and Agriculture, Gorgan, Iran.

Rangeland desertification risk has significantly increased due to the fragility of these ecosystems and the severity of degradation caused by climate instability and human activities over the last decade. This research focuses on identifying indicators of rangeland desertification risk using a qualitative grounded theory approach based on the perspectives of pastoralists in Kolijah and Qolaq-Borte, Golestan Province, Iran. The study population comprised regional pastoralists, with 15 experts selected through snowball sampling.

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The depletion of fossil fuel reserves, increasing environmental concerns, and energy demands of remote communities have increased the acceptance of using hybrid renewable energy systems (HRES). However, choosing an optimal HRES from economic, environmental, reliability, and sustainability aspects is still challenging. To solve this challenge, this study introduces a novel multi-objective optimization approach using the Gravitational Search Algorithm (GSA) and non-dominated sorting techniques.

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Assessing the Colorectal Cancer Landscape: A Comprehensive Exploration of Future Trends in 216 Countries and Territories from 2021 to 2040.

J Epidemiol Glob Health

January 2025

Foodborne and Waterborne Diseases Research Center, Research Institute for Gastroenterology and Liver Diseases, Shahid Beheshti University of Medical Sciences, Shahid Arabi Ave., Yemen St., Velenjak, P.O. BOX: 1985717411, Tehran, Iran.

Background: Colorectal cancer (CRC) has become a significant global concern, presenting formidable challenges to healthcare systems and leading to substantial healthcare expenses. This study examines the projected prevalence and trends of CRC worldwide, encompassing 21 regions and 195 nations.

Methods: We employed an illness-death model (IDM) in order to forecast the anticipated prevalence of CRC by the year 2040.

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Leishmaniasis is a parasitic disease caused by protozoan organisms belonging to the Leishmania genus, affecting many individuals worldwide, with the burden surpassing one million cases. This disease leads to considerable morbidity and mortality, predominantly within tropical and subtropical regions. The current therapeutic options for leishmaniasis are far from ideal, as they fail to achieve a level of efficacy that can be deemed universally effective.

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Recent therapeutic strategies have highlighted the potential of β-hydroxybutyrate (BHB) and α-ketoglutarate (α-KG) as effective anticancer agents, particularly for colon cancer. These metabolites can modulate cellular metabolism and induce epigenetic changes, inhibiting tumor growth. Nonetheless, certain cancer cells may utilize ketone bodies, like BHB as nutrient sources under hypoxic conditions, potentially reducing treatment efficacy.

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Background: Hypertension (HTN) is a prevalent cardiovascular condition associated with cognitive impairments, including memory deficits and attention lapses. Understanding the neural mechanisms underlying HTN-related cognitive dysfunction is crucial for optimizing treatment strategies.

Method: A systematic review was conducted to explore the impact of antihypertensive medications on cognition, focusing on memory, attention, and emotion processing using functional magnetic resonance imaging (fMRI).

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Geothermal energy, oil industry, and underground gas storage technology require deep drilling. Although oil-based drilling fluids have been widely used, they cause environmental issues. Environmentally friendly Aphronic fluid has emerged as an alternative to oil-based drilling fluid.

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This paper introduces an optimal sizing approach for battery energy storage systems (BESS) that integrates frequency regulation via an advanced frequency droop model (AFDM). In addition, based on the AFDM, a new formulation for charging/discharging of the battery with the purpose of system frequency control is presented. The studied MG system that consists of PV units, a diesel generator (DG), a combined heat and power (CHP) unit, a gas boiler, and a BESS is designed to meet the consumers' thermal and electrical load requirements as well as system frequency regulation.

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Premature ventricular contraction (PVC) is characterized by early repolarization of the myocardium originating from Purkinje fibers. PVC may occur in individuals who are otherwise healthy. However, it may be associated with some pathological conditions.

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The g-C3N4/CS biosensor was designed, fabricated, and tested using compounds such as glucose, urine, lactose, and flutamide at a molarity of 10 µM, which could demonstrate a high sensitivity of 200 μm-1 for flutamide. Powerful effective medium theory and FDTD simulation were used to predict the most favorable mode and plasmonic properties of a graphite carbon nitride and chitosan nanocomposite. The research also explores the characteristics of surface plasmon resonance exhibited by the nanocomposite as the chitosan content is adjusted.

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Due to the unique properties of nanoparticles (NPs), their application has been proposed as an innovative and promising enhanced oil recovery (EOR) technique. They enhance oil recovery by improving EOR mechanisms including decreasing interfacial tension (IFT), wettability alteration to water-wet, and preventing asphaltene precipitation. In this study, FeO@Gelatin NPs were synthesized by a convenient and single-step method and then investigated for EOR purposes for the first time.

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The increasing trend of salinization of agricultural lands represents a great threat to the growth of major crops. Hence, shedding light on the salt-tolerance capabilities of three environment-resilient medicinal species from the Apiaceae, i.e.

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One of the major problems facing the water industry is corrosion and sedimentation, which causes problems such as reduced water quality and the useful life of water supply network equipment. This study aimed to investigate the corrosion and sediments formed in the drinking water distribution network of Sough City. In this cross-sectional study, samples were prepared from 7 wells, water storage reservoirs, and a dedicated water supply network in this area from 2006 to 2017.

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Oxidant (OX), the sum of ozone (O) and nitrogen dioxide (NO), is used to determine nitrogen oxides (NO)-independent regional contribution and NO-dependent local contribution. This study investigates OX trends and its local and regional levels in Tehran, Iran using the data from 21 monitoring stations from 2012 to 2022 and satellite remote sensing data (TROPOMI) for 2022. The spatiotemporal trends of O, NO, and OX are first examined using ground-based and remote sensing data, and then the polar plots are employed to identify the dominant directions of OX transport and its sources.

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