introduction chronic hepatitis b virus (hbv) infection is one of the most important health problems worldwide with a high rate of morbidity and mortality. it is a major risk factor for cirrhosis and liver cancer. currently, iran is located in the intermediate hbv zone; however, recent studies have provided some evidence indicating an epidemiological change in the country. the aim of this study ...

background: image-guided radiotherapy used multiple imaging during the radiation therapy course to improve the precision and accuracy of health care provider's treatment. objectives: this study aims to assess the safety, effectiveness and economic aspects of image-guided radiation therapy for decision-making about this technology in iran. methods: in this study, the most important medical datab...

Energy efficiency represents a key resource for economic and social development, providing substantial benefits to different stakeholders, ranging from the entities which develop energy efficient measures to everyone in society. In addition to cost savings, multiple benefits can be achieved by supporting a better alignment between energy issues and strategic business priorities: e.g., improved ...

introduction: intraoperative radiation therapy device (iort) is one of the several options for partial breast irradiation. iort is sent to the tumor bed during surgery and can be replaced with conventional standard therapy (ebrt). the aim of this study was to evaluate the safety and effectiveness of iort machine compared with ebrt and to determine the dominant option in terms of the cost-effect...

abstract: in contrast to traditional reviews, systematic reviews explore theliterature on a specific topic comprehensively using a well-defined protocol and recruit the findings of eligible studies after the assessment of their qualities, using a clear and reproducible method. checking the assumptions, we may merge the findings of recruited studies in a systematic review and use metaanalysis te...

conclusions in conclusion, toxicological studies showed that, although contamination level in caspian sea fishes was relatively low, the present status might pose a risk about food chain contamination. results the review showed that nine studies were recorded in databases about pesticide residues in caspian sea fish tissues. these studies reported that there is limited evidence of organochlorin...

noise-induced hearing loss, which is one of the 10 leading occupational diseases, is a debilitating and irreversible disease. during the recent 15-years period (1997-2012), several studies have investigated the association between noise, hearing damage and other side effects of noise in iran. the aim of this study was to review systematically the relevant literature related to noise-induced hea...

background and aim: pediatric obesity and overweight have become worldwide epidemics. iran is not an exemption in this regard. in the last decade, numerous studies have been conducted in iran in relation to obesity in children, and an increasing rate of obesity has been reported in the iranian context. some of these studies have included an extensive domain covering several provinces, while oth...

objective: in this study, we aimed at evaluation of the efficacy of hypericum perforatum and flaxseed on hot flash, vaginal atrophy and estrogen-dependent cancers in menopausal women materials and methods: we searched medline, scopus, and the cochrane central register of controlled trials (rct) to explore trials that assessed the effectiveness of h. perforatum and flaxseed on hot flash, vaginal...

Background: In Western and Southwest Asia, literature is not documented on human immunodeficiency virus (HIV) programs in Iran, Iraq and Saudi Arabia. The present study is the first brief review that describes HIV programs in these three neighboring countries.Methods: Data regarding the evidence of HIV programs were gathered through a systematic literature searching. English publications were r...