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Öğe A bibliometric analysis of academic publication on diabetic retinopathy disease trends during 1980-2014: A global and medical view(International Journal of Ophthalmology, 2016) Çağlar, İsmail Çağatay; Demir, Emre; Küçükler, Ferit Kerim; Durmuş, MustafaAIM: To investigate diabetic retinopathy (DR) literature using the Institute for Scientific Information (ISI) Web of Science (WoS) database and to analyse the correlation results between socio-economic development datas and number of DR publications. METHODS: The statistical analysis of the documents published during 1980-2014 was analysed. The data of this study were based on the database of WoS. "Diabetic retinopathy" was used as the keywords to search the WoS database. RESULTS: The United States ranked first in the DR research with 1840 publications and 24.38% of the world production followed by England and Japan. Besides, the most productive country was Iceland. A high correlation was found between number of publications and 2014 gross domestic product (GDP) values of 81 countries (r=0.800, PÖğe A Bibliometric analysis of publications on Spinal Cord injury during 1980–2018(Elsevier Inc., 2020) Kiraz, Murat; Demir, EmreBackground: Spinal cord injury (SCI) could cause motor, sensory loss, severe functional insufficiency, and social problems. This study aims to provide a holistic summary of the global scientific outputs about SCI through bibliometric analyses and reveal the trend topics. Methods: All publications about SCI published between 1980 and 2018 in Web of Science (WoS) index were downloaded (Access date: 01.09.2019) and analyzed using bibliometric methods. In the Title search section in WoS, the documents with the words “spinal cord injury” were identified. Correlation analysis between SCI publication productivity and economic development indicators of the world countries were analyzed using the Spearman correlation coefficient. Results: There were 20,322 publications, 13,662 of which were articles. The top 3 productive countries were the USA, China, and Canada. British Columbia (403; 2.9%), Toronto (401; 2.9%), and Miami (387; 2.8%) were the prominent cities. The top productive journals were Spinal Cord (1,399; 10.24%), Archives of Physical Medicine and Rehabilitation (835; 6.11%), and Journal of Neurotrauma (631; 4.61%). A statistically significant, high-level correlation was found between the number of publications about SCI and the countries' gross domestic product and gross domestic product per capita (r = 0.711, P < 0.001; r = 0.699, P < 0.001). Conclusions: This study provides a systematic analysis of SCI and could be a beneficial guide for clinicians and scientists.Öğe A bibliometric evaluation of global productivity of teledermatology publications between 1975 and 2017 with a 3-year update(Wolters Kluwer Medknow Publications, 2018) Şenel, Engin; Demir, Emre; Artüz, Refika FerdaSir, Telemedicine is a constantly evolving technique that allows medical information and services to be accessed by transferring them from hard-to-reach areas with the opportunities of modern technology. There are many studies in the literature which show that telemedicine is as effective as face-to-face evaluation.[1] Teledermatology is one of the fastest growing branches of telemedicine thanks to modern communication technology. Bibliometrics is statistical and holistic evaluation of scientific literature in a certain field.[2] Although both have been popular study areas in recent years, to the best of our knowledge, only a few bibliometric reports have been published in teledermatology. In 2014, we published a study of the teledermatology productivity of the different countries, and we evaluated teledermatology publications between 1980 and 2013.[3] A year later in 2015, we published an update to this work.[4]Sir, Telemedicine is a constantly evolving technique that allows medical information and services to be accessed by transferring them from hard-to-reach areas with the opportunities of modern technology. There are many studies in the literature which show that telemedicine is as effective as face-to-face evaluation.[1] Teledermatology is one of the fastest growing branches of telemedicine thanks to modern communication technology. Bibliometrics is statistical and holistic evaluation of scientific literature in a certain field.[2] Although both have been popular study areas in recent years, to the best of our knowledge, only a few bibliometric reports have been published in teledermatology. In 2014, we published a study of the teledermatology productivity of the different countries, and we evaluated teledermatology publications between 1980 and 2013.[3] A year later in 2015, we published an update to this work.[4]Öğe A bibliometric perspective with research trends and global productivity on the modernization of andrology from the founder of modern clinical andrology Edward Martin to the present(Verduci Editore, 2023) Ekici, Musa; Demir, Emre; Aydın, CemilOBJECTIVE: The number of studies in the field of andrology is increasing day by day, but a bibliometric study covering the entire literature on andrology has not yet been conducted. This bibliometric study aims to shed light on the question of where we came from and where we are going in andrology from past to present. It also aimed to summarize the intellectual structure of andrology to reveal global productivity and identify and map the latest trends of scientific articles published in the field of andrology. MATERIALS AND METHODS: 16,659 articles published between 1980 and 2022 were extracted from the Web of Science and analyzed using various statistical methods. Bibliometric network visualization maps revealed trending topics, global productivity, the most influential studies, and international collaborations. Spearman’s correlation analysis was used for determining correlations. RESULTS: The top three productive countries were United States of America (3,452; 20.7%), China (2,300; 13.8%), and Germany (1,069; 6.4%). The top two most productive authors were Agarwal A. (n=130) and Nieschlag E. (n=130). The most productive institution was the Egyptian Knowledge Bank (n=422). From past to present, the most studied subjects were testis, male infertility, spermatozoa, testosterone, infertility, erectile dysfunction, spermatogenesis, sperm, prostate cancer (PCA)/neoplasms, oxidative stress, fertility/fertilization, semen, rat(s), apoptosis, azoospermia, sperm motility, human and varicocele. CONCLUSIONS: The trend topics that have been researched more in recent years include erectile dysfunction, oxidative stress, prostate cancer, sperm quality, sperm parameters, infertility, premature ejaculation, diabetes mellitus, obesity, prognosis, sperm DNA fragmentation/damage, antioxidant, asthenozoospermia, varicocelectomy, COVID-19, inflammation, prostatectomy, metabolic syndrome, hypogonadism, benign prostatic hyperplasia, lower urinary tract symptoms, meta-analysis, sexual dysfunction, peyronie’s disease, and proliferation. We identified the research leadership of China, Japan, Turkey and India, in addition to Western countries, such as the USA and European countries.Öğe A global productivity and bibliometric analysis of telemedicine and teledermatology publication trends during 1980-2013(Elsevier Taiwan LLC., 2015) Şenel, Engin; Demir, EmreBackground/Objective Telemedicine and teledermatology literature has a limited number of bibliometrics reports. We aimed to analyze telemedicine and teledermatology literature using the Institute for Scientific Information Web of Science database. Methods The statistical analysis of the documents published during 1980-2013 was performed. We also analyzed the correlations between economical productivities, humanity index, and technological advancement levels and performances of the countries in both fields. Results The USA ranked first in the telemedicine field with 3204 publications and 33.8% of the world production followed by the UK and Germany. In the teledermatology field, the USA was the first country again with 206 papers (36%) followed by the UK and Australia (104 and 50 papers, respectively). The most productive countries in telemedicine were Cyprus (30.03), Norway (28.19), and Australia (19.61). Austria ranked first (4.94) in terms of productivity in teledermatology followed by Norway (3.13), New Zealand (2.43), and Australia (2.13). A high correlation was found between number of publications and 2013 gross domestic product values of 60 countries (r = 0.804, p < 0.001 for telemedicine and r = 0.721, p < 0.001 for teledermatology). A high correlation was detected between the number of telemedicine publications and gross domestic product per hour worked (r = 0.712, p < 0.001) although moderate correlation was measured in teledermatology field (r = 0.558, p < 0.05). We found a significant correlation between number of publications and human development index (r = 0.779, p < 0.001 for telemedicine and r = 0.767, p < 0.001 for teledermatology). Conclusion Most items have been published from high-income, developed countries. Thus the physicians in undeveloped and developing countries, in which telemedicine and teledermatology applications are crucial to deliver medical care and services, should be encouraged to perform novel studies. © 2014, Taiwanese Dermatological Association.Öğe A preliminary study of the contribution of telemicroscopy to the diagnosis and management of skin tumours in teledermatology(Royal Society of Medicine Press Ltd, 2014) Şenel, Engin; Sabancılar, Emine; Mansuroğlu, Cem; Demir, EmreDermatology images can be acquired using a miniature handheld digital microscope at magnifications of 10- to 30-fold. We investigated the contribution of telemicroscopy to the reliability and accuracy of teledermatology for skin tumours. In a retrospective study of the reliability of diagnosis and management plans, two dermatologists compared teledermatology with face-to-face assessment. We also measured the accuracy of diagnosis by comparing teledermatology with histopathological examination. Two dermatologists evaluated the clinical images and information for 120 randomly sorted cases and recorded a diagnosis and a management plan for each case. Two months later, the same dermatologists re-evaluated the cases and suggested a new diagnosis and management plan for each case. The reliability of teledermatology diagnosis was not significantly different from face-to-face examination; it was significantly increased with the addition of microscopic images (P < 0.001). The reliability of teledermatology management plans was not significantly different from face-to-face examination; it was significantly increased with the addition of the microscopic images (P < 0.001). The accuracy of teledermatology was significantly increased with microscopic images (P = 0.05). Telemicroscopy appears to be a useful adjunct to teledermatology with a digital camera. Future studies with different magnifications should be performed to detect the optimum magnification for telemicroscopy. © The Author(s) 2014 Reprints and permissions: sagepub.co.uk/journalsPermissions.nav.Öğe A study on the factors affecting the academic performance of distance education students and formal students(Hitit Üniversitesi, 2016) Kör, Hakan; Erbay, Hasan; Demir, Emre; Akmeşe, Ömer FarukRecently the numbers of distance education programs and students enrolling in them have increased significantly. This increase also carries the question of what factors may have an effect on academic success. The demographic features, motivation levels, personal development status and basic computer literacy of students have been taken into account and their effects on the academic success of students have been analyzed. With this purpose, surveys prepared with the help of professional opinion have been applied to certain groups. The sample group of this study consists students of the Kırıkkale University Distance Education Center and the formal education students of the Kırıkkale Vocational School. The results have been analyzed with the help of the SPSS data analysis program (version 22.0) and have been turned into figures. The academic success of distance learning students and formal education students have been compared and this data has been used to identify whether there are any significant connections between academic success and the factors determined. In the conclusion of this study, the figures have been explained separately, and suggestions have been made regarding both distance education and formal education.Öğe Adverse effects of ingredients available in single nasal decongestant formulation at trachea and lungs on an experimental rat model(Discovery Publication, 2019) Arslan, Sertaç; Güney, Güven; Akyüz Ünsal, Ayşe İpek; Demir, Emre; Demirci, BuketBackground and Aim: There is little histologic data concerning effects of nasal decongestants on respiratory tract. We aimed to put forth the effects of mostly used ingredients of nasal decongestants on trachea and lower airways of rats. Materials and Method: Four-six months old 60 male rats were randomly categorized into 6 groups. Experimental drugs were applied to the same nostril twice daily for 8 weeks (Xylometazoline, Benzalkolyum, EDTA, Sorbitol and combined drug solution). Normal saline solution (NaCl % 0.9) applied for the controls. At the end, trachea and both lungs were dissected and kept in formaldehyde for histopathologic evaluation. Results: Inflammation and bronchial edema were most common findings. All rats in sorbitol group had increased numbers of type 2 pneumocytes. Eighty percent of BAC group had increased numbers of type 2 pneumocytes. Spillover of tracheal epithelium was seen mostly in sorbitol, EDTA and combined drug groups (60%, 87.5%, 50% respectively). Bronchial smooth muscle hypertrophy was seen mostly in BAC and EDTA group (70%, 62.5% respectively). Number of goblet cells showed significant difference between control-combined drug (p=0.025) and control-BAC (p=0.001) groups. Conclusion: Nasal decongestants might have adverse effects such as increased airway inflammation, edema, type 2 pneumocyte numbers and epithelial desquamation mostly.Öğe Akciğer kanserli hastalarda serum galektin 1 ve 3 düzeylerinin, tanısal ve prognostik değeri(Bozok Üniversitesi Tıp Fakültesi, 2018) Erçen Diken, Özlem; Aydemir, Yusuf; Demir, EmreAmaç: Akciğer kanseri kötü prognozlu ve tedavi yanıtı sınırlı olan bir kanser türüdür. Galektin akciğer kanseri patogenezinde rol alabildiği düşünülen fakat akciğer kanseri ile ilişkisinin yeterli düzeyde gösterilemediği potansiyel bir belirteçtir. Amacımız serumda basit bir yöntem olan galektin 1 ve 3 ölçümünün, akciğer kanseri tanısal ya da prognostik belirteci olup olamayacağını araştırmaktır. Yöntem: Çalışmaya 49 akciğer kanseri ve 30 sağlıklı kontrol hastası alındı. Serumlarında galektin 1 ve 3 düzeyleri galektin ölçüm kiti ile çalışıldı. Akciğer kanserli olgular ve sağlıklı kontrol hastaları galektin 1 ve 3’ün tanısal ve prognostik belirteç olup olmayacağı ile ilgili parametreler istatistiksel olarak incelendi. Bulgular: Akciğer kanserli hastada galektin 1 ve 3 değeri, kontrol grubuna göre daha düşüktü. Galektin 1 ve 3 düzeyleri ile sağ kalım, evre ve tümör çapı arasında ilişki saptanmazken, metastaz ve tümör tipi ile negatif ilişkisi saptandı. Sonuç: Galektin 1 ve 3 değeri akciğer kanseri hastalarında sağlıklı olgulara göre daha düşüktür fakat sensitivite ve spesifitesi kısıtlıdır. Literatürde yüksek galektin düzeyi ile akciğer kanseri arasında pozitif saptanan ilişkinin daha geniş hasta gruplarında çalışılmasının uygun olacağı görüşündeyiz. Basit bir tanısal belirteç olarak serum düzeyinin kullanımı umut vaat etmektedir.Öğe An interactive web application for propensity score matching with R shiny; example of thrombophilia(2020) Demir, Emre; Köse, Serdal Kenan; Akmeşe, Ömer Faruk; Yıldırım, EnginAim: The aim of this study was to develop a new web-based R Shiny package that calculates propensity score using many algorithms such as logistic regression, machine learning, and performs matching analysis with balance evaluation. In addition, it was aimed to explain the process of matching analysis on a real data set by comparing the number of live births between those with methylenetetrahydrofolate reductase (MTHFR) homozygous mutations and those without mutations in women hospitalized due to abortion in the gynecology and obstetrics clinic. Material and Methods: The web-based application was developed using R shiny. The “matchIt” library was used for matching analysis and PS prediction. The “cobalt” library was used to evaluate balance and generate plots. Results: The abortion variable, which was statistically significantly different in the groups before matching (p=0.010), was similar in the groups after matching (p=0.743). In addition, when the descriptive statistics and p values of the other variables were examined, it was seen that almost full balance was achieved after matching and the confounder variables were similar distributed in groups. After matching analysis, it was determined that the result variable “livebirths” did not show statistically significant difference in the groups (p=0.864). Conclusion: In this study, we developed an interactive web application for matching analysis based on propensity score. It is thought that this application will facilitate the studies of the researchers.Öğe An international bibliometric study of scientific articles on intracranial aneurysms(Sage Publications Inc, 2021) Kiraz, Murat; Demir, Emre; Özdemir, ÖmerObjectives: The number of original scientific researches on intracranial aneurysms has risen over the last 30 years. Despite the rise in the number of articles, there is no up-to-date exhaustive bibliometric research in the literature. This study aimed to contribute to the literature via a bibliometric analysis of the original scientific researches on intracranial aneurysms published over the last 30 years. Methods: The literature review was done using the Web of Science. All articles and its citations containing aneurysm keywords were analyzed in the title section of articles published in the research areas: Neurosciences Neurology during 1980-2019. Correlation analyses between the number of articles produced by the countries and their economic and development indicators of gross domestic product, and Human Development Index were analyzed using the Spearman correlation coefficient. Linear regression analysis was utilized to estimate the number of articles to be published in the future. Results: There were a total of 21,673 publications on intracranial aneurysms. Of these publications, 13,371 (61.7%) were articles. The three countries that produced the most articles were the USA (4098), Japan (2668), and China (937). A statistically significant correlation was found between the development indicators of world countries and publication productivity (p<0.001). The three journals that produced the most publications were Neurosurgery, Journal of Neurosurgery, and American Journal of Neuroradiology. The most cited article was published in Journal of Neurosurgery. Conclusion: This bibliometric study provides a collection of data that will help design future research on intracranial aneurysms more efficiently and make innovations at greater speed.Öğe An update and evaluation of telemedicine and teledermatology publications for 2014(Pulse Marketing and Communications LLC, 2016) Şenel, Engin; Demir, Emre[No abstract available]Öğe Antropoloji alanındaki yayınların bibliyometrik analizi(Hitit Üniversitesi, 2018) Demir, EmreBu çalışmada 1975-2017 yılları arasında “Antropoloji” araştırma alanında yayınlanan ve Web of Science (WoS; Thomson Reuters, New York, NY, USA) veri tabanında indekslenen tüm yayınlar bibliyometrik olarak analiz edilmiştir. Bibliyometrik analizler ile Ülkemizin Antropoloji literatüründeki etkinliği de değerlendirilmiştir. Ayrıca araştırmamızda Antropoloji alanında genel ve yerli literatürdeki aktif yazarların, ülkelerin, en çok atıf alan makalelerin ve trend konuların belirlenmesi amaçlanmıştır. Bibliometrik Ağ görselleştirmeleri için VOSviewer (Version 1.6.9) paket programı kullanılmıştır. Analizler sonucunda Antropoloji alanında 82.185 (%40,7)’i makale kategorisinde olmak üzere toplam 201,860 yayın bulunmuştur. En çok yayın 2015 yılında (4,241 yayın) yayınlanmış olup, ABD 32,071 (39.0%) yayın ile en fazla literatüre katkı yapan ülke olmuştur. Antropoloji alanında en çok yayın üreten yazar ise Malina RM (134 yayın) olarak bulunmuştur. Literatüre en fazla katkı yapan derginin Journal of Archaelogical Science (5,293 yayın) olduğu görülmüştür. Türkiye adresli yayın sayısı 826 (%1.0) olarak bulunmuş olup literatüre katkı açısından Türkiye’nin 21. Sırada olduğu belirlenmiştir.Öğe Association of the BsmI, ApaI, TaqI, Tru9I and FokI polymorphisms of the vitamin D receptor gene with nephrolithiasis in the Turkish population(Urology and Nephrology Research Centre, 2016) Çakır, Ömer Onur; Yılmaz, Akın; Demir, Emre; İncekara, Kutluhan; Köse, Mustafa Onur; Ersoy Tunalı, NagehanPurpose: To analyze the relationship between nephrolithiasis and vitamin D receptor (VDR) gene BsmI (rs1544410), ApaI (rs7975232), TaqI (rs731236), Tru9I (rs757343) and FokI (rs2228570) polymorphisms in a study group from the Turkish population. Materials and Methods: Ninety-eight patients with calcium oxalate kidney stones and 70 controls were enrolled in this study. Five polymorphisms of the VDR gene were studied using the Polymerase Chain Reaction Restriction Fragment Length Polymorphism (PCR-RFLP) method. Results: For all polymorphisms, genotype frequencies were in line with Hardy-Weinberg equilibrium in the patients and controls. For the BsmI polymorphism, allele frequency distribution was found to differ significantly between the patients and the controls (P <.05). The "B" allele was found to increase the risk of nephrolithiasis by approximately 1.5-fold (odds ratio = 1.55, 95% confidence interval: 1.00-2.40; P =.048). However, we did not find any statistically significant differences in the allele and genotype frequencies for the ApaI, TaqI, Tru9I and FokI polymorphisms. Proportionally, the "BAt" and "baT" haplotypes were more common than other haplotypes in the cases and controls, respectively. For the haplotypes of the BsmI and TaqI polymorphisms, the "bT" haplotype frequency was found to be common in both the patients and the controls. However, we did not find statistically significant differences between the cases and the controls for either the BsmI/ApaI/TaqI or the BsmI/TaqI haplotypes. Moreover, no relationship was identified between family history and development of stone disease. Conclusion: The "B" allele of the BsmI polymorphism of the VDR gene may increase stone development risk. Further investigations are needed to improve our knowledge regarding the genetic factors affecting urinary stone development.Öğe Bağımlı Değişken ile Ortak Değişken Arasındaki Korelasyona Göre Kovaryans Analizinin Gücü(2019) Demir, Emre; Yavuz, Yasemin; Köse, Serdal KenanAmaç: Kovaryans analizi (ANCOVA), bir çalışmada etkisi incelenen faktör dışında bağımlı değişken ile ilişkisi bulunan sürekli bir veya birden fazla değişkenin etkisinin istatistiksel olarak kontrol edilmesini sağlayan bir yöntemdir. Bu çalışmada randomize olan araştırmalarda ortak değişken ile sonuç değişkeni arasında korelasyon bulunan modellerde ortak değişkenin etkisinin göz ardı edildiği varyans analizi (ANOVA) ile ortak değişken etkisinin arıtıldığı ANCOVA’nın korelasyon düzeyine bağlı olarak gücünün değişimi karşılaştırılmıştır. Gereç ve Yöntemler: Araştırmamızda Cohen’in küçük, orta ve büyük f etki büyüklüklerine bağlı 3 farklı senaryo kullanılarak n=30, 50 ve 100 örneklem büyüklükleri için benzetim çalışması yapılmıştır. Her bir benzetimde bağımlı değişken ile ortak değişken arasında 0’dan 1’e kadar 0,1 birimlik artış ile 11 farklı korelasyon bulunacak şekilde veri seti üretilerek her senaryoda 5000 benzetim yapılmıştır. Benzetim uygulamaları için R paket programı kullanılmıştır. R paketinde veri üretmek için “MBESS” ve güç hesaplamaları için “pwr” açık kaynak kodlu kütüphaneler kullanılmıştır. Bulgular: Küçük ve orta etki büyüklüklerine sahip benzetim sonuçlarında sonuç değişkeni ile ortak değişken arasında 0,20 korelasyon bulunduğunda ANOVA ile ANCOVA arasındaki güç değerinin ayrışmaya başladığı ve korelasyon değeri 0,50 ve sonrasında ANCOVA’nın ANOVA’ya göre çok daha fazla güce ulaştığı görülmüştür. Sonuç: Ortak değişken ile sonuç değişkeni arasında 0,2 ve üzeri korelasyon bulunduğunda ANOVA yerine ANCOVA kullanılarak daha az sayıda örneklem büyüklüğü ile araştırmada yeterli güce ulaşılacaktır.Öğe Bibliometric analysis of apitherapy in complementary medicine literature between 1980 and 2016(Churchill Livingstone, 2018) Şenel, Engin; Demir, EmreApitherapy is the medical use and the application of honey bee products and in recent years there has been a growing interest in studies of this field. We aimed to perform a bibliometric study in the apitherapy literature. We used Web of Science database in this study and our search retrieved a total of 6917 documents of which great majority (82.4%) was original articles. Brazil was found to ranked first on the publication number with 889 papers followed by the USA, China, Japan and Turkey. We measured a productivity score for each country and the most productive countries in apitherapy field were Switzerland (2.978), Croatia (2.074), and Bulgaria (1.840). Propolis was the most used keyword followed by bee venom, flavonoids, apis mellifera and apoptosis. A moderate correlation was detected between number of publications and GDP. To the best of our knowledge our study was the first in this area and we proposed that further studies should be supported in this field. © 2018 Elsevier LtdÖğe Bibliometric analysis of publications on house dust mites during 1980-2018(Elsevier Espana Slu, 2020) Demir, Emre; Akmeşe, Ömer Faruk; Erbay, Hasan; Taylan Özkan, Hikmet Ayşegül; Mumcuoğlu, Kosta Y.Background: The global prevalence of allergic diseases has increased dramatically in recent years and are now recognized as significant chronic diseases worldwide. One of the most important allergens that causes allergic diseases is house dust mites. Objective: This study aims to present a bibliometric overview of research published on dust mites between 1980 and 2018. Methods: Articles published from 1980 to 2018 were analyzed using bibliometric methods. The keywords ?Dust mite*,? and ? Dermatophagoides ? were used in the Web of Science (WoS). Simple linear regression analysis was used to estimate the number of future publications on this subject. Results: A total of 4742 publications were found, 2552 (53.8%) of them were articles. Most of the articles were on subjects related to immunology (1274; 49.9%) and allergy (1229; 48.1%). Clinical and Experimental Allergy (222; 8.7%) was the journal with the most publications. The USA was the country that most contributed to the literature with 461 (18.1%) articles. The countries producing the most publications on this subject were developed countries. The most active author was W.R. Thomas (66; 2.5%). The most productive institution was the University of Western Australia (91; 3.6%). The most cited article was published in the New England Journal of Medicine .Conclusion: According to the findings, developed countries were the most productive in publishing on house dust mites. By planning multinational research rather than regional studies, it may be suggested that researchers in underdeveloped or developing countries could also-conduct more research on this subject.(C) 2019 SEICAP. Published by Elsevier Espana, S.L.U. All rights reserved.Öğe Bibliometric analysis on global Behçet disease publications during 1980–2014: is there a Silk Road in the literature?(Blackwell Publishing Ltd, 2017) Şenel, Engin; Demir, Emre; Alkan, Reha MetinBackground: Behçet disease (BD) is a chronic and multisystemic vasculitis characterized with recurrent oral and genital ulcers, uveitis, arthritis and skin manifestations. The highest prevalence of the disease has been reported in regions historically involved in the Silk Road routes. Objective: We aimed to analyse Behçet literature and evaluate whether there is a concordance between ancient Silk Road regions and the distribution of publication productivity. Methods: The bibliometric analysis of the publications published during 1980–2014 using Thomson Reuters Web of Science database was performed. We generated infographics of productivity and also analysed the correlations among economical productivities, technological advancement levels and humanity index and productivity performances of 78 countries in Behçet literature. Results: Turkey ranked first in Behçet literature with 1837 articles followed by Japan and the USA. Turkey, Tunisia and Israel occupied the first three places in productivity. Significant correlations were noted between 2014 gross economic and technological indices and publication numbers of the countries. We found that European countries had high productivity, although they had low prevalence of BD. We detected no concordance between the productivity density of the countries and the ancient Silk Road routes. Conclusion: Most publications were reported from developed countries although undeveloped or developing countries had higher prevalence of BD. Physicians in undeveloped and developing countries should be supported and encouraged to perform novel studies on BD. © 2016 European Academy of Dermatology and VenereologyÖğe Bibliometric and Scientometric Analysis of the Articles Published in the Journal of Religion and Health Between 1975 and 2016(Springer New York LLC, 2018) Şenel, Engin; Demir, EmreBibliometrics and scientometrics are novel closely related scientific fields measuring and analyzing scientific publications in a certain area. Although spirituality, religion and health (S/R&H) field has been a growing study area in recent years, only a few bibliometric studies have been conducted on published literature in S/R&H. In this study, we aimed to perform bibliometric and scientometric analysis of the documents published in the Journal of Religion and Health, which is one of the most significant and productive journals in spirituality, religion and health field, during the period of 1975 to 2016. We used Thomson Reuters Web of Science database for the publication analyses. A total of 2683 papers were found and most of them were original articles (1655, 62.1%) followed by book reviews (780, 29.3%) and editorial materials (169, 6.3%). We found that the USA was the most productive country with 1665 papers and 62.45% of total literature followed by Australia and Canada. Cornell University in the USA was found to publish the highest number of documents with 73 papers and to cover 2.74% of the total literature followed by Duke University and Weill Cornell Medical College. A total of 2973 keywords were detected to be used. Most used five keywords were “religion,” “spirituality,” “religiosity,” “health” and “mental health” (n = 253, 250, 97, 71 and 41 times, respectively). Our bibliometric and scientometric study of one of the most important leading journals in S/R&H area may encourage researchers to carry out further studies in this field. © 2018, Springer Science+Business Media, LLC, part of Springer Nature.Öğe Biomechanical comparison of different suture materials with different techniques in tendon repair: An ex-vivo study(ELSEVIER, 2023) Muslu, Ümran; Alıç, Taner; Demir, Emre; Gölpınar, Murat; Bilici, İbrahim; Demirezen, Murat OkanObjectives Sheep Achilles tendons are used as an effective preclinical model of flexor tendon repair in plastic surgery, due to their biomechanical properties, which are similar to humans. The aim of this study was to examine the efficacy and biomechanical outcomes of suture materials and tendon repair techniques in flexor tendon repair. Material and methods 72 sheep tendons were obtained for a total of 12 different scenarios. Tendons were repaired using 4 different suture types and 3 different suture techniques. After repair, the tendons were fixed at both ends and subjected to biomechanical tests. Ultimate Failure Load (UFL) and 2-mm Gap Load (GL) per scenario were compared statistically within and between groups. Results UFL and GL of all sutures were significantly different between the modified Kessler, Bunnell and Krackow techniques (P??0.05). Conclusion When UFL and GL were considered together, our findings indicate that optimal strength scenarios were for the modified Kessler technique using Monosorb or V-loc sutures.
