Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

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Scientific Information Database (SID) - Trusted Source for Research and Academic Resources
Scientific Information Database (SID) - Trusted Source for Research and Academic Resources
Scientific Information Database (SID) - Trusted Source for Research and Academic Resources
Scientific Information Database (SID) - Trusted Source for Research and Academic Resources
Scientific Information Database (SID) - Trusted Source for Research and Academic Resources
Scientific Information Database (SID) - Trusted Source for Research and Academic Resources
Scientific Information Database (SID) - Trusted Source for Research and Academic Resources
Scientific Information Database (SID) - Trusted Source for Research and Academic Resources
Title: 
Author(s): 

Issue Info: 
  • Year: 

    0
  • Volume: 

    19
  • Issue: 

    96
  • Pages: 

    -
Measures: 
  • Citations: 

    8
  • Views: 

    2742
  • Downloads: 

    0
Keywords: 
Abstract: 

Yearly Impact: مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

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Title: 
Author(s): 

Issue Info: 
  • Year: 

    0
  • Volume: 

    19
  • Issue: 

    96
  • Pages: 

    -
Measures: 
  • Citations: 

    0
  • Views: 

    768
  • Downloads: 

    0
Keywords: 
Abstract: 

Yearly Impact: مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

View 768

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Issue Info: 
  • Year: 

    2012
  • Volume: 

    19
  • Issue: 

    96
  • Pages: 

    1-11
Measures: 
  • Citations: 

    2
  • Views: 

    1418
  • Downloads: 

    0
Abstract: 

Background: Currently, the scientific output indexed in databases such as ISI is the major criteria for evaluation and ranking of countries, researchers, institutes and universities in the world. Each country's share in the world's scientific output in general and specifically in a specific field will be evaluated accordingly. Therefore, determination of the rate of growth of articles from Iranian authors in the ISI database in the field of immunology, its distribution and growth in different years, average citation per paper in comparison with the Iranian and world average, co-authorship, the most cited papers, the most prolific authors, the most prolific Iranian universities and institutions, are the main objectives of the study.Methods: The study area is scientometrics and the necessity of the survey methods and citation analysis has been used.Results: Findings show that from 1974 to the end of 2010 a total of 1775 articles of Iranian writers in the immunology field have entered into ISI Web of Science. According to the results, the number of articles has been high in the recent years. Most collaboration of the Iranian authors has been with their counterparts from USA. Immunology articles have had the most interaction with the field of transplantation. Most of the articles of Iranian scholars in the field of immunology are published in the Transplantation Proceedings journal. Tehran University of Medical Sciences (TUMS) is the most active center and Ardeshir Ghavamzadeh is the most prolific author. The costs of 10.99% articles is provided by Iranian and foreign universities and institutes.Conclusion: Iranian papers in the field of immunology have steadily increased and in the recent years have reached its peak. Iranian immunologists have disposition to co-authorship with their counterparts from other countries which is almost the same with other subject areas in Iran. The average citation per paper in the field of immunology is higher than that of the Iranian average and lowest than the global average, much lower than global and Middle East average in the field of immunology. Tehran University of Medical Sciences is the most prolific university. Also, the most prolific authors are affiliated to the TUMS. Domestic and foreign universities and institutions in financing research have had little share.

Yearly Impact: مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

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Issue Info: 
  • Year: 

    2012
  • Volume: 

    19
  • Issue: 

    96
  • Pages: 

    12-19
Measures: 
  • Citations: 

    1
  • Views: 

    2777
  • Downloads: 

    0
Abstract: 

Background: Laboratory tests are used to diagnose diseases, monitor its progress and response to treatment. So the goal of the laboratory medicine is reporting accurate and on time test results. The aim of this study was to evaluate rate and causes of post-analytical errors in the Clinical Laboratory of Children’s Medical Center. We especially focused on 1) delay in reporting test results and 2) inaccuracy of test results.Methods: This descriptive study was conducted in Children’s Medical Center in 2008. Any complaint related to accurate reporting and on time test results from inpatients and outpatients, physicians and wards during 3 months period were registered. The reasons were investigated then recorded in predesigned forms; data were analyzed with SPSS version 15, Chi square and Fischer’s tests.Results: A total of 375 of 425 complaints were related to delay in reporting test results. We also recorded 50 cases of erroneous result complaints. Also 72% of delayed reports and 34% of complaints of unaccepted results were caused in post-analytical phase (i.e. after test was performed). “Failure to input the results in computer” was the main reason (37%). “Lost results “(25%) and transcription error (22.6%), “absence of laboratory request form” (9.8%) and “wrong method of filing” (4.2%) were the other observed causes. Microbiology, hematology and clinical chemistry were departments with the highest rate of complaints; whereas urine culture, CBC and biochemistry tests were the most frequent problematic tests. The rate of complaints was 1:108 patients or 1:541 tests, and 4.8% of results were not reported in timely manner.Conclusion: Our findings revealed that the source of most of the errors related to reporting test results were in post-analytical phases. Therefore along with continuing the educational programme, and improvement of automation, it seems necessary to add periodic evaluation and investigation of errors to benchmarks programmes, especially in reporting test result processes, in order to provide error free service to physician and their patients. Cooperation with the clinicians and the other personnel outside the laboratory is also important for error reduction.

Yearly Impact: مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

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Issue Info: 
  • Year: 

    2012
  • Volume: 

    19
  • Issue: 

    96
  • Pages: 

    20-25
Measures: 
  • Citations: 

    0
  • Views: 

    1389
  • Downloads: 

    0
Abstract: 

Background: Studies show that there is association between Salvia officinalis extract administration and liver and heart functions. The main aim of this study was to determine the effects of Salvia officinalis extract on serum level of creatine kinase and alkaline phosphatase in male rats.Methods: In this laboratory experimental study, male wistar rats were randomly divided into control, normal saline receiving and Salvia officinalis extract (100, 150 or 200 mg/kg/day) receiving animals of 5 in each group. After a period of 6 weeks, blood samples were collected using cardiac puncture method. Following serum collection, serum creatine kinase and alkaline phosphatase levels were measured by spectrophotometry method. Data were statistically analyzed and compared between groups using ANOVA.Results: The results indicated that serum creatine kinase level was significantly decreased in rats receiving Salvia officinalis extract (100 mg/kg/day) compared with control animals (p<0.001). However, daily administration of Salvia officinalis extract (150 or 200 mg/kg) could not significantly change serum creatine kinase level. Serum alkaline phosphatase levels were significantly increased in animals receiving Salvia officinalis extract (100, 150 or 200 mg/kg/day) as compared with control rats.Conclusion: Our findings show that Salvia officinalis extract is enhancer of serum alkaline phosphatase and daily administration of the extract is serum creatine kinase reducer. However, such effect is dose dependent, according to which, repairing or impairing effect of the extract on certain tissues is conceivable.

Yearly Impact: مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

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Issue Info: 
  • Year: 

    2012
  • Volume: 

    19
  • Issue: 

    96
  • Pages: 

    26-33
Measures: 
  • Citations: 

    0
  • Views: 

    1014
  • Downloads: 

    0
Abstract: 

Background: Yeasts are one of the most common causes of onychomycosis. In countries like Iran, Saudi Arabia, Italia and Spain, yeasts are reported as the most frequent causes of onychomycosis. Inhibition of the immune system such as chemotherapy, radiation therapy, the use of broad spectrum antibodies, aggressive treatment with corticosteroids, HIV and diabetes melitus predispose the body with these fungal infections. Onychomycosis due to yeast has a higher prevalence in finger nails and its incidence in women is two or three times more than men. In some occupations such as nurses, dish washers, confectionery and housewives it can be more observed. Among the yeasts, Candida albicans is the most common agent onychomycosis. This study has been designed for investigation of prevalence of onychomycosis due to yeast in patients who referred to Razi hospital.Methods: This was a cross sectional study and 700 dystrophic nail samples were examined by both direct examination and culturing. In direct examination KOH (hydroxide potassium) 20% and for culturing saboroud dexterose agar (S) media were used. For identification yeasts complementary examination were done such as: Reynold braude test, API test and culturing on candida chrom agar media and corn meal agar media were used. For investigation of relevance between variables, Chisquare test and Fisher exact test were used.Results: Of 700 dystrophic nail samples (15.71%), 110 samples were yeast positive by both direct examination and culturing. Thirty one patients were males and 79 patients were females and in both sexes those most infected were between 50-59 years of age (27.3%). Eighty patients had fungal infection of finger nails and 16 patients had fungal infection on toe nails; 14 patients had both infections on finger and toe nails. The most frequent detected yeast species was Candida albicans (42.7%) which was followed by Candida parapsilosis (20.9%), Candida tropicalis (14.5%), Candida krusei (12.7%), Candida glabrata (3.6)%, Candida gillermondi (2.7%), and Candida lousitani, famatata, rodotroula (each 0.9%) .The most common clinical type noted was distal subungual onychomycosis in 50% of cases. In this study 52 patients (48.1%) had diabetes which was the most common disease between patients with onychomycosis due to yeasts.Conclusion: Diagnosis of onychomycosis due to yeast is very important because it shows the person’s immune response. Identification of pathogenic yeast species in terms of epidemiology and selecting appropriate and effective treatment is important.

Yearly Impact: مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

View 1014

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Issue Info: 
  • Year: 

    2012
  • Volume: 

    19
  • Issue: 

    96
  • Pages: 

    34-44
Measures: 
  • Citations: 

    0
  • Views: 

    1091
  • Downloads: 

    0
Abstract: 

Background: Considering the decrease of omega-3 fatty acids in spermatozoa of asthenozoospermic men, the aim of the present study was to investigate the effects of combined docosahexaenoic acid (DHA) and vitamin E supplements on spermatogram in asthenozoospermic males.Methods: In this randomized, triple-blind, placebo-controlled clinical trial, out of 275 men who referred to Avicenna infertility clinic, fifty asthenozoospermic males, defined as less than 50% sperm motility or less than 25% with rapid progressive motility, were randomly assigned to one of two groups according to the stratified blocked randomization. Participants in the intervention group took daily 465 mg of DHA and 600 IU of vitamin E; and those in the control group took daily two placebos for 12 weeks. Sperm characteristics, dietary intakes, anthropometric measurements and physical activity were measured at the baseline and at the end of the study. Statistical analyses were performed using the SPSS software, the statistical tests being analysis of covariance, Student's t-test, paired-samples t-test, Wilcoxon and Mann-Whitney.Results: Out of 50 participants, 22 men in the intervention group and 20 men in the control group completed the protocol of the study. Number of sperms, sperm concentration, percentage of motile sperms and percentage of motile sperms with a straight direction increased in the intervention group, as compared with the control values (p<0.05).Conclusion: According to this research, combined DHA and vitamin E supplements led to increasing sperm concentration and sperm motility; however no significant changes occurred in sperm morphology and vitality in asthenozoospermic men. DHA and vitamin E, as an antioxidant, may improve sperm motility.

Yearly Impact: مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

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Issue Info: 
  • Year: 

    2012
  • Volume: 

    19
  • Issue: 

    96
  • Pages: 

    45-56
Measures: 
  • Citations: 

    0
  • Views: 

    772
  • Downloads: 

    0
Abstract: 

Background: To present an overview of the pharmacologic treatment of pseudophakic macular edema.Methods: A systematic review of the currently accepted pharmacologic treatments for pseudophakic macular edema. Main outcome parameters include visual acuity and central macular thickness as determined by ocular coherence tomography. Articles retrieved by Pubmed search using keywords pseudophakic cystoids macular edema, cataract surgery, treatment, vascular endothelial growth factor, Nonsteroidal Anti-inflammatory Drugs, Optical Coherence Tomography, and vitrectomy.Results: New drugs including new nonsteroidal anti-inflammatory drugs (NSAID) and anti–vascular endothelial growth factor (VEGF) agents have been used in the treatment of pseudophakic cystoid macular edema. Furthermore, new routes for drug administration and surgical methods have been used in chronic cases, some showing good effects.

Yearly Impact: مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

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