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کاربرد نوع شرط:
- جایگاه : پژوهشی
- مجله: Journal of Information Technology Management
- نوع مقاله: Journal Article
- کلمات کلیدی: "E-commerce","SMEs","Acceptance model in E-commerce of SMEs","E-c models"
- چکیده:
- چکیده انگلیسی: Abstract:
This paper investigates the factors accelerating SMEs' adoption of e-commerce. Initially we proposed a model that included three categories of factors including external environmental factors, internal environmental factors and technology specifications. In addition, we proposed ecommerce adoption stages in two levels of early adoption and institutionalization.
Based on surveying 304 SMEs we tested the proposed model and concluded that the external environmental factors can be divided by two main categories of remote environmental factors and industry level factors.
The relations between criteria and latent variables are discussed and explained.- انتشار مقاله: 20-06-1392
- نویسندگان: Abbas Monavvarian,Amir Manian,Masoud Movahedi,Mohsen Akbari
- مشاهده
- جایگاه : پژوهشی
- مجله: Iranian Journal of Medical Sciences
- نوع مقاله: Journal Article
- کلمات کلیدی: children,Allergens,Skin test
- چکیده:
- چکیده انگلیسی: Background: The prevalence of allergic diseases has risen in the last decades. The objective of this study was to determine the common allergens in children via the skin prick test.Methods: This cross-sectional study recruited 313 allergic children (4 months to 18 years old) referred to the Asthma and Allergy Clinic of Children’s Medical Center in Tehran. A questionnaire containing demographic data and patient history was completed. The Skin Prick Test (SPT) was selected according to the patients’ history of food and/or aeroallergen sensitivity. Results: Patients (62.4% male, 37.6% female) with symptoms of asthma (n=141, 57.1%), allergic rhinitis (n=50, 20.4%), atopic dermatitis (n=29, 11.7%), and urticaria (n=20, 8.1%) were studied. Positive skin prick test to at least one allergen was 58.1%. The most prevalent allergens were tree mix (26%), Alternaria alternata (26%), weed mix (23.6%), Dermatophagoides farinae (22.9%), Dermatophagoides pteronyssinus (22.9%), milk (21.7%), eggs (20%), and wheat flour (18.3%). Also, common allergens in the patients with different symptoms of allergic disorders were as follows: asthma (tree mix, weed mix, and Dermatophagoides farinae); allergic rhinitis (Dermatophagoides farinae, tree mix, and Dermatophagoides pteronyssinus); and atopic dermatitis (Alternaria alternata, Dermatophagoides pteronyssinus, and cockroaches). Conclusion: Identifying allergens in each area is necessary and has an important role in the diagnosis and management of allergic disorders and possibility of performing immunotherapy. In this study, the most common aeroallergens were tree mix, Alternaria alternata, and weed mix and also the most common food allergens were milk, eggs, and wheat. Considering these data, appropriate preventive strategies can decrease the cost and morbidity of therapeutic actions.
- انتشار مقاله: 23-06-1392
- نویسندگان: Safoora Hosseini,Raheleh Shokouhi Shoormasti,Rozita Akramian,Masoud Movahedi,Mohammad Gharagozlou,Negar Foroughi,Babak Saboury,Anoushiravan Kazemnejad,Maryam Mahlooji Rad,Alireza Mahdaviani,Zahra Pourpak,Mostafa Moin
- مشاهده
- جایگاه : پژوهشی
- مجله: Iranian Journal of Immunology
- نوع مقاله: Journal Article
- کلمات کلیدی: Hereditary Angioedema,C1 Inhibitor,Complement System
- چکیده:
- چکیده انگلیسی: Background: Hereditary angioedema (HAE) is a rare autosomal dominant primary immunodeficiency with complement system defect characterized by recurrent episodes of angioedema involving the skin or mucosa of the upper respiratory and gastrointestinal tracts.
Objective: To characterize the clinical and laboratory data of hereditary angioedema in Iran.
Methods: Patients with probable diagnosis of angioedema were enrolled in this study. Demographic and clinical data were documented in the designed questionnaire including history of attacks, triggering factors and laboratory data such as C4, C1 esterase inhibitor level and function.
Results: Among 63 patients who were clinically suspicious for angioedema (23 males and 40 females), 8 cases (12.7%) were diagnosed with HAE. Among these 8 HAE patients, 3 were diagnosed with HAE type 1 and five patients were diagnosed with HAE type 2. The mean ages of HAE type 1 and type 2 patients were 25.6 ± 13.5 and 22.4 ± 12.32 years. The mean age of onset in HAE type 1 group was 8 ± 5 years and in HAE type 2 group was 18.8 ± 11.84 years. The mean diagnosis delay was 17.6 years in HAE type 1 patients and 2.6 years in HAE type 2. The most common clinical manifestation was facial swelling presented in all HAE patients followed by swelling of extremities which was present in 7 patients with HAE.
Conclusion: The clinical criteria of the Iranian patients with HAE were consistent with the known clinical patterns of the disease.- انتشار مقاله: 14-05-1395
- نویسندگان: Shervin Shahinpour,Marzieh Tavakol,Hassan Abolhass Ani,Payam Mohammadinejad,Masoud Movahedi,Saba Arshi,Asghar Aghamohammadi
- مشاهده
- جایگاه : پژوهشی
- مجله: Iranian Journal of Immunology
- نوع مقاله: Journal Article
- کلمات کلیدی: Diagnosis,Prevalence,Primary Immunodeficiency Disorders
- چکیده:
- چکیده انگلیسی: Background: Primary immunodeficiency disorders (PID) are a group of hereditary disorders characterized by an increased susceptibility to severe and recurrent infections, autoimmunity, lymphoproliferative disorders, and malignancy.
Objective: To evaluate the demographic and clinical data of PID patients diagnosed in a referral pediatric hospital.
Method: All PID cases with a confirmed diagnosis, according to the criteria of International Union of Immunological Societies, who were referred to the Children’s Medical Center in Tehran, Iran, between March 2006 and March 2013 were enrolled in this retrospective cohort study.
Results: Three-hundred and seven PID patients were investigated. Predominantly antibody deficiencies were the most common group of PID observed in 118 cases (38.4%), followed by the well-defined syndromes with immunodeficiency in 52 (16.9%), congenital defects of phagocyte in 45 (14.7%), combined immunodeficiencies in 36 (11.7%), autoinflammatory disorders in 34 (11.4%), immune dysregulation in 11 (3.6%), complement deficiencies in 7 (2.3%), and defects in innate immunity in 3 (1%). Selective IgA deficiency was the most prevalent disorder which affected 46 individuals (14.9%). The median diagnostic delay was 15 months.
Conclusion: Increased awareness and availability of diagnostic tests could result in the better recognition of more undiagnosed PID cases and a decrease in diagnostic delay.- انتشار مقاله: 15-05-1395
- نویسندگان: Payam Mohammadinejad,Babak Mirminachi,Bamdad Sadeghi,Masoud Movahedi,Mohammad Gharagozlou,Javad Mohammadi,Hassan Abolhassani,Nima Rezaei,Asghar Aghamohammadi
- مشاهده
- جایگاه : پژوهشی
- مجله: Immunology and Genetics Journal
- نوع مقاله: Journal Article
- کلمات کلیدی: Consensus,management,Symptoms,guideline,Primary immunodeficiency
- چکیده:
- چکیده انگلیسی: Primary immunodeficiency (PID) is a group of more than 400 distinct genetic disorders affecting both children and adults. As signs and symptoms of PID are usually heterogeneous and unspecific, based on the available human resources and laboratory facilities, diagnosis and follow-up of these patients can be challenging. In line with this notion, management and treatment of PID are practiced divergently in different PID centers. In order to reach a distinct national protocol and given the little evidence on appropriate or universal guidelines to improve the current status of management of the disease, the Iranian PID network designed a consensus suitable for regional resources. This review summarizes this PID guideline based on the importance of different clinical complications and the level of medical authority visiting those at the first line. Further, for each complication, appropriate interventions are mentioned to improve the approach.
- انتشار مقاله: 29-10-1397
- نویسندگان: Hassan Abolhassani,Marzieh Tavakol,Zahra Chavoshzadeh,Seyed Alireza Mahdaviani,Tooba Momen,Reza Yazdani,Gholamreza Azizi,Masoud Movahedi,Amir Ali Hamidieh,Nasrin Behniafard,Mohammamd Nabavi,Saba Arshi,Mohammad Hassan Bemanian,Morteza Fallahpour,Sima Shokri,Rasol Molatefi,Roya Sherkat,Afshin Shirkani,Reza Amin,Soheila Aleyasin,Reza Faridhosseini,Farahzad Jabbari-Azad,Iraj Mohammadzadeh,Javad Ghaffari,Alireza Shafiei,Arash Kalantari,Mahboubeh Mansouri,Mehrnaz Mesdaghi,Delara Babaie,Hamid Ahanchian,Maryam Khoshkhui,Habib Soheili,Mohammad Hossein Eslamian,Taher Cheraghi,Abbas Dabbaghzadeh,Mahmoud Tavassoli,Rasoul Nasiri Kalmarzi,Seyed Hamidreza Mortazavi,Sara Kashef,Hossein Esmaeilzadeh,Javad Tafaroji,Abbas Khalili,Fariborz Zandieh,Mahnaz Sadeghi-Shabestari,Sepideh Darougar,Fatemeh Behmanesh,Hedayat Akbari,Mohammadreza Zandkarimi,Farhad Abolnezhadian,Abbas Fayezi,Mojgan Moghtaderi,Akefeh Ahmadiafshar,Behzad Shakerian,Vahid Sajedi,Behrang Taghvaei,Mojgan Safari,Marzieh Heidarzadeh,Babak Ghalehbaghi,Seyed Mohammad Fathi,Behzad Darabi,Saeed Bazregari,Nasrin Bazargan,Alireza Khayatzadeh,Naser Javahertrash,Bahram Bashardoust,Mohammadali Zamani,Azam Mohsenzadeh,Sarehsadat Ebrahimi,Samin Sharafian,Ahmad Vosughimotlagh,Mitra Tafakoridelbari,Maziar Rahimi,Parisa Ashournia,Anahita Razaghian,Fatemeh Aghaeimeybodi,Setareh Mamishi,Nima Parvaneh,Nima Rezaei,Asghar Aghamohammadi
- مشاهده