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Liao Z, Scaltritti M, Xu Z, Dinh TNX, Chen J, Ghaderi A. A Bibliometric Analysis of Scientific Publications on Eating Disorder Prevention in the Past Three Decades. Nutrients 2024; 16:1111. [PMID: 38674800 DOI: 10.3390/nu16081111] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2024] [Revised: 03/26/2024] [Accepted: 04/03/2024] [Indexed: 04/28/2024] Open
Abstract
BACKGROUND Eating disorders (EDs) present a growing concern due to their widespread occurrence and chronic course, the low access to evidence-based treatment, and the significant burden they place on the patients and society. This picture justifies intensive focus on the prevention of EDs. The current study provides the first bibliometric analysis of research on the prevention of EDs, focusing on trends and contributions, to prompt further prevention research. METHODS We conducted a bibliometric analysis of publications on the prevention of EDs using the Web of Science database, from 1993 to 2023. Focusing on universal and selective prevention strategies, our study involved a rigorous selection process, narrowing down from 10,546 to 383 relevant papers through manual screening. The analysis utilized the "bibliometrix" R package (version 4.2.2) and Python (version 3.9.6) for data processing, with VOSviewer employed for mapping collaboration networks. RESULTS Our analysis revealed a consistent annual growth rate of 10.85% in ED prevention research publications, with significant contributions from the "International Journal of Eating Disorders" and some notable authors. The United States emerged as the dominant contributor. The analysis also highlighted key trends, including a surge in publications between 2010 and 2017, and the role of major institutions in advancing research in this field. DISCUSSION The increasing rate of publications on the prevention of EDs is encouraging. However, the actual number of studies on the prevention of EDs are limited, and the majority of this work is performed by a few research groups. Given the high concentration of publications within a few countries and research groups, increased funding, facilitation of prevention research on a wider scale, and engagement of more researchers and further collaboration are called for.
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Affiliation(s)
- Zhenxin Liao
- Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Nobels vag 12A, 17177 Stockholm, Sweden
| | - Martina Scaltritti
- Department of General Psychology, University of Padua, Via Venezia, 12, 35131 Padua, Italy
| | - Zhihan Xu
- Division of Network and Systems Engineering (NSE), KTH School of Electrical Engineering and Computer Science, Teknikringen 33, 10044 Stockholm, Sweden
| | - Thu Ngoc Xuan Dinh
- Department of Learning, Informatics, Management and Ethics (LIME), Karolinska Institute, Nobels vag 6, 17177 Stockholm, Sweden
| | - Jiahe Chen
- Department of Learning, Informatics, Management and Ethics (LIME), Karolinska Institute, Nobels vag 6, 17177 Stockholm, Sweden
| | - Ata Ghaderi
- Division of Psychology, Department of Clinical Neuroscience, Karolinska Institutet, Nobels vag 9, 17177 Stockholm, Sweden
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2
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Ogunsakin RE, Ebenezer O, Jordaan MA, Shapi M, Ginindza TG. Mapping Scientific Productivity Trends and Hotspots in Remdesivir Research Publications: A Bibliometric Study from 2016 to 2021. IJERPH 2022; 19:ijerph19148845. [PMID: 35886696 PMCID: PMC9318242 DOI: 10.3390/ijerph19148845] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/30/2022] [Revised: 07/16/2022] [Accepted: 07/18/2022] [Indexed: 01/18/2023]
Abstract
In response to global efforts to control and exterminate infectious diseases, this study aims to provide insight into the productivity of remdesivir research and highlight future directions. To achieve this, there is a need to summarize and curate evidence from the literature. As a result, this study carried out comprehensive scientific research to detect trends in published articles related to remdesivir using a bibliometric analysis. Keywords associated with remdesivir were used to access pertinent published articles using the Scopus database. A total of 5321 research documents were retrieved, primarily as novel research articles (n = 2440; 46%). The number of publications increased exponentially from 2020 up to the present. The papers published by the top 12 institutions focusing on remdesivir accounted for 25.69% of the overall number of articles. The USA ranked as the most productive country, with 906 documents (37.1%), equivalent to one-third of the global publications in this field. The most productive institution was Icahn School of Medicine, Mount Sinai, in the USA (103 publications). The New England Journal of Medicine was the most cited, with an h-index of 13. The publication of research on remdesivir has gained momentum in the past year. The importance of remdesivir suggests that it needs continued research to help global health organizations detect areas requiring instant action to implement suitable measures. Furthermore, this study offers evolving hotspots and valuable insights into the scientific advances in this field and provides scaling-up analysis and evidence diffusion on remdesivir.
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Affiliation(s)
- Ropo E. Ogunsakin
- Discipline of Public Health Medicine, School of Nursing & Public Health, College of Health Sciences, University of KwaZulu-Natal, Private Bag X54001, Durban 4000, South Africa;
- Correspondence:
| | - Oluwakemi Ebenezer
- Department of Chemistry, Faculty of Natural Sciences, Mangosuthu University of Technology, Umlazi 4031, South Africa; (O.E.); (M.A.J.); (M.S.)
| | - Maryam A. Jordaan
- Department of Chemistry, Faculty of Natural Sciences, Mangosuthu University of Technology, Umlazi 4031, South Africa; (O.E.); (M.A.J.); (M.S.)
| | - Michael Shapi
- Department of Chemistry, Faculty of Natural Sciences, Mangosuthu University of Technology, Umlazi 4031, South Africa; (O.E.); (M.A.J.); (M.S.)
| | - Themba G. Ginindza
- Discipline of Public Health Medicine, School of Nursing & Public Health, College of Health Sciences, University of KwaZulu-Natal, Private Bag X54001, Durban 4000, South Africa;
- Cancer & Infectious Diseases Epidemiology Research Unit (CIDERU), College of Health Sciences, University of KwaZulu-Natal, Private Bag X54001, Durban 4000, South Africa
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3
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Becerra AZ, Grimes CE, Grunvald MW, Underhill JM, Bhama AR, Govekar HR, Saclarides TJ, Hayden DM. A New Bibliometric Index: The Top 100 Most Disruptive and Developmental Publications in Colorectal Surgery Journals. Dis Colon Rectum 2022; 65:429-443. [PMID: 34108364 DOI: 10.1097/dcr.0000000000002118] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
BACKGROUND A new bibliometric index called the disruption score was recently proposed to identify innovative and paradigm-changing publications. OBJECTIVE The goal was to apply the disruption score to the colorectal surgery literature to provide the community with a repository of important research articles. DESIGN This study is a bibliometric analysis. SETTINGS The 100 most disruptive and developmental publications in Diseases of the Colon & Rectum, Colorectal Disease, International Journal of Colorectal Disease, and Techniques in Coloproctology were identified from a validated data set of disruption scores and linked with the iCite National Institutes of Health tool to obtain citation counts. MAIN OUTCOME MEASURES The primary outcomes measured were the disruption score and citation count. RESULTS We identified 12,127 articles published in Diseases of the Colon & Rectum (n = 8109), International Journal of Colorectal Disease (n = 1912), Colorectal Disease (n = 1751), and Techniques in Coloproctology (n = 355) between 1954 and 2014. Diseases of the Colon & Rectum had the most articles in the top 100 most disruptive and developmental lists. The disruptive articles were in the top 1% of the disruption score distribution in PubMed and were cited between 1 and 671 times. Being highly cited was weakly correlated with high disruption scores (r = 0.09). Developmental articles had disruption scores that were more strongly correlated with citation count (r = 0.18). LIMITATIONS This study is subject to the limitations of bibliometric indices, which change over time. DISCUSSION The disruption score identified insightful and paradigm-changing studies in colorectal surgery. These studies include a wide range of topics and consistently identified editorials and case reports/case series as important research. This bibliometric analysis provides colorectal surgeons with a unique archive of research that can often be overlooked but that may have scholarly significance. See Video Abstract at http://links.lww.com/DCR/B639.UN NUEVO INDICE BIBLIOMÉTRICO: LAS 100 MAS IMPORTANTES PUBLICACIONES EN INNOVACIONES DESESTABILIZADORAS Y DE DESARROLLO EN LAS REVISTAS DE CIRUGÍA COLORRECTALANTECEDENTES:Un nuevo índice bibliométrico llamado innovación desestabilizadora y de desarrollo ha sido propuesto para identificar publicaciones de vanguardia y que pueden romper paradigmas.OBJETIVO:La meta fué aplicar el índice de desestabilización a la literature en cirugía colorectal para aportar a la comunidad con un acervo importante de artículos de investigación.DISEÑO:Un análisis bibliométrico.PARAMETROS:Las 100 publicaciones mas desestabilizadores y de desarrollo en las revistas: Diseases of the Colon and Rectum, Colorectal Disease, International Journal of Colorectal Disease, y Techniques in Coloproctology se recuperaron de una base de datos validada con puntuaciones de desestabilización y se ligaron con la herramienta iCite NIH para obtener la cuantificación de citas.PRINCIPAL MEDIDA DE RESULTADO:El índice desestabilizador y la cuantificación de citas.RESULTADOS:Se identificaron 12,127 articulos publicados en Diseases of the Colon and Rectum (n = 8,109), International Journal of Colorectal Disease (n = 1,912), Colorectal Disease (n = 1,751), y Techniques in Coloproctology (n = 355) de 1954-2014. Diseases of the Colon and Rectum representó la mayoría de las publicaciones dentro de la lista de los 100 mas desestabilizadores y de desarrollo. Esta literatura desestabilizadora se encuentra en el principal 1% de la distribución de la puntuacón desestabilizadora en PubMed y se citaron de 1 a 671 veces. El ser citado con frecuencia se relacionó vagamente con las puntuaciones de desastibilización (r = 0.09). Los artículos de desarrollo tuvieron puntuaciones de desestabilización que estuvieron muy correlacionados con la cuantificación de las citas (r = 0.18).LIMITACIONES:Las sujetas a las limitaciones de los índices bibliométricos, que se modifican en el tiempo.DISCUSION:La putuación de desestabilicación identificó trabajos perspicaces, pragmáticos y modificadores de paradigmas en cirugía colorrectal. Es de interés identificar que se incluyeron una gran variedad de temas y en forma consistente editoriales, reportes de casos y series de casos que representaron una investigación importante. Este análisis bibliométrico aporta a los cirujanos colorrectales de un acervo de investigación único que puede con frecuencia pasarse por alto, y sin embargo tener una gran importancia académica. Consulte Video Resumen en http://links.lww.com/DCR/B639. (Traducción- Dr. Miguel Esquivel-Herrera).
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Affiliation(s)
- Adan Z Becerra
- Department of Surgery, Rush University Medical Center, Chicago, Illinois
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4
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Brierley L, Nanni F, Polka JK, Dey G, Pálfy M, Fraser N, Coates JA. Tracking changes between preprint posting and journal publication during a pandemic. PLoS Biol 2022; 20:e3001285. [PMID: 35104285 PMCID: PMC8806067 DOI: 10.1371/journal.pbio.3001285] [Citation(s) in RCA: 25] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2021] [Accepted: 10/28/2021] [Indexed: 12/20/2022] Open
Abstract
Amid the Coronavirus Disease 2019 (COVID-19) pandemic, preprints in the biomedical sciences are being posted and accessed at unprecedented rates, drawing widespread attention from the general public, press, and policymakers for the first time. This phenomenon has sharpened long-standing questions about the reliability of information shared prior to journal peer review. Does the information shared in preprints typically withstand the scrutiny of peer review, or are conclusions likely to change in the version of record? We assessed preprints from bioRxiv and medRxiv that had been posted and subsequently published in a journal through April 30, 2020, representing the initial phase of the pandemic response. We utilised a combination of automatic and manual annotations to quantify how an article changed between the preprinted and published version. We found that the total number of figure panels and tables changed little between preprint and published articles. Moreover, the conclusions of 7.2% of non-COVID-19-related and 17.2% of COVID-19-related abstracts undergo a discrete change by the time of publication, but the majority of these changes do not qualitatively change the conclusions of the paper.
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Affiliation(s)
- Liam Brierley
- Department of Health Data Science, University of Liverpool, Liverpool, United Kingdom
| | | | | | - Gautam Dey
- Cell Biology and Biophysics Unit, European Molecular Biology Laboratory, Heidelberg, Germany
| | - Máté Pálfy
- The Company of Biologists, Histon, Cambridge, United Kingdom
| | | | - Jonathon Alexis Coates
- William Harvey Research Institute, Barts and the London School of Medicine and Dentistry Queen Mary University of London, London, United Kingdom
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5
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Abstract
Fragment-based drug discovery (FBDD) continues to evolve and make an impact in the pharmaceutical sciences. We summarize successful fragment-to-lead studies that were published in 2020. Having systematically analyzed annual scientific outputs since 2015, we discuss trends and best practices in terms of fragment libraries, target proteins, screening technologies, hit-optimization strategies, and the properties of hit fragments and the leads resulting from them. As well as the tabulated Fragment-to-Lead (F2L) programs, our 2020 literature review identifies several trends and innovations that promise to further increase the success of FBDD. These include developing structurally novel screening fragments, improving fragment-screening technologies, using new computer-aided design and virtual screening approaches, and combining FBDD with other innovative drug-discovery technologies.
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Affiliation(s)
- Iwan J. P. de Esch
- Division
of Medicinal Chemistry, Amsterdam Institute of Molecular and Life
Sciences (AIMMS), Vrije Universiteit Amsterdam, De Boelelaan 1108, 1081 HZ Amsterdam, The Netherlands
| | - Daniel A. Erlanson
- Frontier
Medicines, 151 Oyster
Point Blvd., South San Francisco, California 94080, United States
| | - Wolfgang Jahnke
- Novartis
Institutes for Biomedical Research, Chemical
Biology and Therapeutics, 4002 Basel, Switzerland
| | - Christopher N. Johnson
- Astex
Pharmaceuticals, 436 Cambridge Science Park, Milton Road, Cambridge CB4 0QA, United Kingdom
| | - Louise Walsh
- Astex
Pharmaceuticals, 436 Cambridge Science Park, Milton Road, Cambridge CB4 0QA, United Kingdom
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6
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Affiliation(s)
- Peter R. Flatt
- School Biomedical Sciences, Ulster University, Coleraine, Northern Ireland, United Kingdom
| | - Filip K. Knop
- Center for Clinical Metabolic Research, Gentofte Hospital, University of Copenhagen, Hellerup, Denmark
- Steno Diabetes Center Copenhagen, Gentofte, Denmark
- Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
- Novo Nordisk Foundation Center for Basic Metabolic Research Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Andrei I. Tarasov
- School Biomedical Sciences, Ulster University, Coleraine, Northern Ireland, United Kingdom
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7
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Spake CSL, Zeyl VG, Crozier JW, Rao V, Kalliainen LK. An analysis of publication trajectory in plastic surgery across the decades. J Plast Reconstr Aesthet Surg 2021; 75:439-488. [PMID: 34736850 DOI: 10.1016/j.bjps.2021.09.039] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2021] [Revised: 03/30/2021] [Accepted: 09/27/2021] [Indexed: 11/17/2022]
Abstract
The classic canonical publication trajectory for academicians has been well-described by a rapid increase followed by a slower decrease in productivity, leading to a plateau. This trajectory has not been investigated in plastic surgery. In this communication, we aimed to: (1) visualize the publication trajectory per decade for plastic surgeons certified from 1980 to 2010, and (2) characterize and quantify the changes in publishing trends across decades. A list of plastic and reconstructive surgeons board certified between 1980 and 2010 was obtained. Number of publications per year was recorded for each plastic surgeon. The median cumulative publication trajectory was graphed for each decade. Kruskal-Wallis analysis was performed to determine whether there were differences in number of publications across generations. The trajectory for a surgeon from the 1980s follows the established canonical trajectory. Surgeons from the 1990s and 2000s had significantly more publications by board certification than those from the 1980s (7 and 8 vs. 5, respectively, p < 0.01). Surgeons from the 2010s on average achieved 8 publications by board certification. It is clear that the publication arc for plastic surgeons from successive generations has greatly changed. Over the last 40 years, there has been a trend for increasing productivity and involvement in research at a much earlier stage in career, potentially due to increasing demands for matching into residency programs.
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Affiliation(s)
- Carole S L Spake
- Division of Plastic Surgery, Warren Alpert Medical School of Brown University, 222 Richmond Street, Providence, RI 02903, USA.
| | - Victoria G Zeyl
- Division of Plastic Surgery, Warren Alpert Medical School of Brown University, 222 Richmond Street, Providence, RI 02903, USA
| | - Joseph W Crozier
- Division of Plastic Surgery, Warren Alpert Medical School of Brown University, 222 Richmond Street, Providence, RI 02903, USA
| | - Vinay Rao
- Division of Plastic Surgery, Warren Alpert Medical School of Brown University, 222 Richmond Street, Providence, RI 02903, USA
| | - Loree K Kalliainen
- Division of Plastic Surgery, Warren Alpert Medical School of Brown University, 222 Richmond Street, Providence, RI 02903, USA
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8
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Abstract
BACKGROUND There are various treatments for facial nerve palsy, and research into this topic is ongoing. In the present study, we carried out bibliometric and visualized analyses to identify the trends of research into facial nerve palsy treatment. METHODS To identify articles, the SCOPUS database was searched for articles published from its inception to December 27, 2020. The search was conducted twice, with Search 1 investigating general treatment trends and Search 2 narrowing the scope to complementary and alternative treatment. The extracted keywords were analyzed using the Visualization Of Similarities (VOS) viewer. Through analysis of keywords, research hotspots in the treatment of facial nerve palsy were identified. RESULTS A total of 1609 and 223 articles were identified in Searches 1 and 2, respectively. The number of articles published each year showed a tendency to increase, and most of the studies were only conducted in a few countries. In terms of subject area, "medicine" was overwhelmingly the most common(77.6%). Based on the analysis of 316 keywords in Search1, "medication treatment," and "complementary and alternative treatment" were the hotspots of research. CONCLUSION This study provides the overall trends of facial nerve palsy treatment. To date, research on medication treatment has been main focus, and antiviral use among medication treatment and complementary and alternative treatment has emerged in recent years.
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Affiliation(s)
- Bonhyuk Goo
- Department of Acupuncture & Moxibustion, Kyung Hee University Hospital at Gangdong, Gangdong-gu
| | - Ha-Na Kim
- Department of Clinical Korean Medicine, Graduate School, Kyung Hee University, Dongdaemun-gu
| | - Jung-Hyun Kim
- Department of Acupuncture & Moxibustion, Kyung Hee University Hospital at Gangdong, Gangdong-gu
| | - Sang-Soo Nam
- Department of Acupuncture & Moxibustion, College of Korean Medicine, Kyung Hee University, Dongdaemun-gu, Seoul, Republic of Korea
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9
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Serrano Nájera G, Narganes Carlón D, Crowther DJ. TrendyGenes, a computational pipeline for the detection of literature trends in academia and drug discovery. Sci Rep 2021; 11:15747. [PMID: 34344904 PMCID: PMC8333311 DOI: 10.1038/s41598-021-94897-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2021] [Accepted: 07/08/2021] [Indexed: 02/07/2023] Open
Abstract
Target identification and prioritisation are prominent first steps in modern drug discovery. Traditionally, individual scientists have used their expertise to manually interpret scientific literature and prioritise opportunities. However, increasing publication rates and the wider routine coverage of human genes by omic-scale research make it difficult to maintain meaningful overviews from which to identify promising new trends. Here we propose an automated yet flexible pipeline that identifies trends in the scientific corpus which align with the specific interests of a researcher and facilitate an initial prioritisation of opportunities. Using a procedure based on co-citation networks and machine learning, genes and diseases are first parsed from PubMed articles using a novel named entity recognition system together with publication date and supporting information. Then recurrent neural networks are trained to predict the publication dynamics of all human genes. For a user-defined therapeutic focus, genes generating more publications or citations are identified as high-interest targets. We also used topic detection routines to help understand why a gene is trendy and implement a system to propose the most prominent review articles for a potential target. This TrendyGenes pipeline detects emerging targets and pathways and provides a new way to explore the literature for individual researchers, pharmaceutical companies and funding agencies.
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Affiliation(s)
- Guillermo Serrano Nájera
- Division of Cell and Developmental Biology, School of Life Sciences, University of Dundee, Dundee, DD1 5EH, UK
| | - David Narganes Carlón
- Division of Cell and Developmental Biology, School of Life Sciences, University of Dundee, Dundee, DD1 5EH, UK
- Division of Population Health and Genomics, Ninewells Hospital, School of Medicine, University of Dundee, Dundee, DD1 9SY, UK
- Exscientia Ltd, Dundee One, River Court, 5 West Victoria Dock Road, Dundee, DD1 3JT, UK
| | - Daniel J Crowther
- Exscientia Ltd, Dundee One, River Court, 5 West Victoria Dock Road, Dundee, DD1 3JT, UK.
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10
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Yildirim E. Scientometric analysis of genital cosmetic and aesthetic procedures between 1981 and 2019. J Plast Reconstr Aesthet Surg 2021; 74:2776-2820. [PMID: 34183287 DOI: 10.1016/j.bjps.2021.05.057] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2020] [Revised: 04/11/2021] [Accepted: 05/27/2021] [Indexed: 11/29/2022]
Affiliation(s)
- Engin Yildirim
- Malatya Turgut Ozal University Faculty of Medicine, Department of Obstetrics and Gynecology, Alacakapı Campus, Kırkgoz Street, 44210 Battalgazi / MALATYA.
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11
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Maina MB, Ahmad U, Ibrahim HA, Hamidu SK, Nasr FE, Salihu AT, Abushouk AI, Abdurrazak M, Awadelkareem MA, Amin A, Imam A, Akinrinade ID, Yakubu AH, Azeez IA, Mohammed YG, Adamu AA, Ibrahim HB, Bukar AM, Yaro AU, Goni BW, Prieto-Godino LL, Baden T. Two decades of neuroscience publication trends in Africa. Nat Commun 2021; 12:3429. [PMID: 34103514 PMCID: PMC8187719 DOI: 10.1038/s41467-021-23784-8] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2020] [Accepted: 05/11/2021] [Indexed: 12/12/2022] Open
Abstract
Neuroscience research in Africa remains sparse. Devising new policies to boost Africa's neuroscience landscape is imperative, but these must be based on accurate data on research outputs which is largely lacking. Such data must reflect the heterogeneity of research environments across the continent's 54 countries. Here, we analyse neuroscience publications affiliated with African institutions between 1996 and 2017. Of 12,326 PubMed indexed publications, 5,219 show clear evidence that the work was performed in Africa and led by African-based researchers - on average ~5 per country and year. From here, we extract information on journals and citations, funding, international coauthorships and techniques used. For reference, we also extract the same metrics from 220 randomly selected publications each from the UK, USA, Australia, Japan and Brazil. Our dataset provides insights into the current state of African neuroscience research in a global context.
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Affiliation(s)
- M B Maina
- School of Life Sciences, University of Sussex, Brighton, UK.
- Biomedical Science Research and Training Centre, College of Medical Sciences, Yobe State University, Damaturu, Nigeria.
- TReND in Africa (www.TReNDinAfrica.org), Brighton, UK.
| | - U Ahmad
- Medical Genetics Laboratory, Genetics and Regenerative Medicine Research Centre, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysia
- Department of Anatomy, Faculty of Basic Medical Sciences, Bauchi State University, PMB 65, Gadau, Nigeria
| | - H A Ibrahim
- College of Medicine, Misr University for Science and Technology, Giza, Egypt
| | - S K Hamidu
- TReND in Africa (www.TReNDinAfrica.org), Brighton, UK
- Department of Human Anatomy, Faculty of Basic Medical Sciences, Gombe State University, Gombe, Nigeria
| | - F E Nasr
- TReND in Africa (www.TReNDinAfrica.org), Brighton, UK
- Faculty of Science, Alexandria University, Alexandria, Egypt
| | - A T Salihu
- Non-invasive Brain Stimulation and Neuroplasticity Laboratory, Department of Physiotherapy, School of Primary and Allied Healthcare, Faculty of Medicine Nursing and Health Sciences, Monash University, Melbourne, Australia
- Department of Physiotherapy, Hasiya Bayero Paediatric Hospital, Kano, Nigeria
| | - A I Abushouk
- Harvard Medical School, Harvard University, Boston, MA, USA
- Faculty of Medicine, Ain Shams University, Cairo, Egypt
| | - M Abdurrazak
- Sheka Primary Health Care Kumbotso, Kano, Nigeria
| | - M A Awadelkareem
- TReND in Africa (www.TReNDinAfrica.org), Brighton, UK
- Faculty of Medical Laboratory Sciences, Al-Neelain University, Khartoum, Sudan
- UK Dementia Research Institute and Department of Clinical Neurosciences, University of Cambridge, Cambridge, UK
- Department of Neuroscience Biomedicine and Movement Sciences, University of Verona, Verona, Italy
| | - A Amin
- TReND in Africa (www.TReNDinAfrica.org), Brighton, UK
- Instituto Gulbenkian de Ciência, Oeiras, Portugal
- Department of Physiology, Faculty of Basic Medical Sciences, University of Ilorin, Ilorin, Nigeria
| | - A Imam
- Department of Anatomy, Faculty of Basic Medical Sciences, University of Ilorin, Ilorin, Nigeria
- School of Anatomical Sciences, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
| | - I D Akinrinade
- TReND in Africa (www.TReNDinAfrica.org), Brighton, UK
- Instituto Gulbenkian de Ciência, Oeiras, Portugal
| | - A H Yakubu
- TReND in Africa (www.TReNDinAfrica.org), Brighton, UK
- Faculty of Pharmacy, University of Maiduguri, Maiduguri, Nigeria
| | - I A Azeez
- Department of Neuroscience Biomedicine and Movement Sciences, University of Verona, Verona, Italy
- Department of Veterinary Anatomy, Faculty of Veterinary Medicine, University of Jos, Jos, Nigeria
| | - Y G Mohammed
- TReND in Africa (www.TReNDinAfrica.org), Brighton, UK
- Department of Human Anatomy, Faculty of Basic Medical Sciences, Gombe State University, Gombe, Nigeria
- Department of Biology, Neurobiology group, University of Konstanz, Baden Wurttemberg, Germany
| | - A A Adamu
- Department of Physiotherapy, Aminu Kano Teaching Hospital, Kano, Nigeria
| | - H B Ibrahim
- Department of Pharmacy, Federal Medical Centre, Katsina, Nigeria
| | - A M Bukar
- Centre for Visual Computing, University of Bradford, Bradford, UK
| | - A U Yaro
- College of Medical Sciences, University of Maiduguri, Maiduguri, Nigeria
| | - B W Goni
- Department of Medicine, Yobe State University Teaching Hospital Damaturu PMB 1072, Damaturu, Yobe State, Nigeria
| | - L L Prieto-Godino
- TReND in Africa (www.TReNDinAfrica.org), Brighton, UK.
- Francis Crick Institute, London, UK.
| | - T Baden
- School of Life Sciences, University of Sussex, Brighton, UK.
- TReND in Africa (www.TReNDinAfrica.org), Brighton, UK.
- Institute of Ophthalmic Research, University of Tübingen, Tübingen, Germany.
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Vinkers CH, Lamberink HJ, Tijdink JK, Heus P, Bouter L, Glasziou P, Moher D, Damen JA, Hooft L, Otte WM. The methodological quality of 176,620 randomized controlled trials published between 1966 and 2018 reveals a positive trend but also an urgent need for improvement. PLoS Biol 2021; 19:e3001162. [PMID: 33872298 PMCID: PMC8084332 DOI: 10.1371/journal.pbio.3001162] [Citation(s) in RCA: 41] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2020] [Revised: 04/29/2021] [Accepted: 03/01/2021] [Indexed: 11/27/2022] Open
Abstract
Many randomized controlled trials (RCTs) are biased and difficult to reproduce due to methodological flaws and poor reporting. There is increasing attention for responsible research practices and implementation of reporting guidelines, but whether these efforts have improved the methodological quality of RCTs (e.g., lower risk of bias) is unknown. We, therefore, mapped risk-of-bias trends over time in RCT publications in relation to journal and author characteristics. Meta-information of 176,620 RCTs published between 1966 and 2018 was extracted. The risk-of-bias probability (random sequence generation, allocation concealment, blinding of patients/personnel, and blinding of outcome assessment) was assessed using a risk-of-bias machine learning tool. This tool was simultaneously validated using 63,327 human risk-of-bias assessments obtained from 17,394 RCTs evaluated in the Cochrane Database of Systematic Reviews (CDSR). Moreover, RCT registration and CONSORT Statement reporting were assessed using automated searches. Publication characteristics included the number of authors, journal impact factor (JIF), and medical discipline. The annual number of published RCTs substantially increased over 4 decades, accompanied by increases in authors (5.2 to 7.8) and institutions (2.9 to 4.8). The risk of bias remained present in most RCTs but decreased over time for allocation concealment (63% to 51%), random sequence generation (57% to 36%), and blinding of outcome assessment (58% to 52%). Trial registration (37% to 47%) and the use of the CONSORT Statement (1% to 20%) also rapidly increased. In journals with a higher impact factor (>10), the risk of bias was consistently lower with higher levels of RCT registration and the use of the CONSORT Statement. Automated risk-of-bias predictions had accuracies above 70% for allocation concealment (70.7%), random sequence generation (72.1%), and blinding of patients/personnel (79.8%), but not for blinding of outcome assessment (62.7%). In conclusion, the likelihood of bias in RCTs has generally decreased over the last decades. This optimistic trend may be driven by increased knowledge augmented by mandatory trial registration and more stringent reporting guidelines and journal requirements. Nevertheless, relatively high probabilities of bias remain, particularly in journals with lower impact factors. This emphasizes that further improvement of RCT registration, conduct, and reporting is still urgently needed. Many randomized controlled trials (RCTs) are biased and difficult to reproduce due to methodological flaws and poor reporting. Analysis of 176,620 RCTs published between 1966 and 2018 reveals that the risk of bias in RCTs generally decreased. Nevertheless, relatively high probabilities of bias remain, showing that further improvement of RCT registration, conduct, and reporting is still urgently needed.
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Affiliation(s)
- Christiaan H. Vinkers
- Department of Psychiatry and Department of Anatomy and Neurosciences, Amsterdam UMC, Amsterdam, the Netherlands
- * E-mail:
| | - Herm J. Lamberink
- Department of Child Neurology, UMC Utrecht Brain Center, University Medical Center Utrecht, and Utrecht University, Utrecht, the Netherlands
| | - Joeri K. Tijdink
- Department of Ethics, Law and Humanities, Amsterdam UMC, and Department of Philosophy, Vrije Universiteit Amsterdam, Amsterdam, the Netherlands
| | - Pauline Heus
- Cochrane Netherlands, Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht University, Utrecht, the Netherlands
| | - Lex Bouter
- Department of Epidemiology and Data Science, Amsterdam UMC, and Department of Philosophy, Vrije Universiteit Amsterdam, Amsterdam, the Netherlands
| | - Paul Glasziou
- Institute for Evidence-Based Healthcare, Bond University, Gold Coast, Australia
| | - David Moher
- Centre for Journalology, Clinical Epidemiology Program, The Ottawa Hospital Research Institute, Ottawa, Canada
| | - Johanna A. Damen
- Cochrane Netherlands, Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht University, Utrecht, the Netherlands
| | - Lotty Hooft
- Cochrane Netherlands, Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht University, Utrecht, the Netherlands
| | - Willem M. Otte
- Department of Child Neurology, UMC Utrecht Brain Center, University Medical Center Utrecht, and Utrecht University, Utrecht, the Netherlands
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Ipekci AM, Buitrago-Garcia D, Meili KW, Krauer F, Prajapati N, Thapa S, Wildisen L, Araujo-Chaveron L, Baumann L, Shah S, Whiteley T, Solís-García G, Tsotra F, Zhelyazkov I, Imeri H, Low N, Counotte MJ. Outbreaks of publications about emerging infectious diseases: the case of SARS-CoV-2 and Zika virus. BMC Med Res Methodol 2021; 21:50. [PMID: 33706715 PMCID: PMC7948668 DOI: 10.1186/s12874-021-01244-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2020] [Accepted: 03/02/2021] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Outbreaks of infectious diseases generate outbreaks of scientific evidence. In 2016 epidemics of Zika virus emerged, and in 2020, a novel severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) caused a pandemic of coronavirus disease 2019 (COVID-19). We compared patterns of scientific publications for the two infections to analyse the evolution of the evidence. METHODS We annotated publications on Zika virus and SARS-CoV-2 that we collected using living evidence databases according to study design. We used descriptive statistics to categorise and compare study designs over time. RESULTS We found 2286 publications about Zika virus in 2016 and 21,990 about SARS-CoV-2 up to 24 May 2020, of which we analysed a random sample of 5294 (24%). For both infections, there were more epidemiological than laboratory science studies. Amongst epidemiological studies for both infections, case reports, case series and cross-sectional studies emerged first, cohort and case-control studies were published later. Trials were the last to emerge. The number of preprints was much higher for SARS-CoV-2 than for Zika virus. CONCLUSIONS Similarities in the overall pattern of publications might be generalizable, whereas differences are compatible with differences in the characteristics of a disease. Understanding how evidence accumulates during disease outbreaks helps us understand which types of public health questions we can answer and when.
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Affiliation(s)
- Aziz Mert Ipekci
- Institute of Social and Preventive Medicine, University of Bern, Bern, Switzerland
| | - Diana Buitrago-Garcia
- Institute of Social and Preventive Medicine, University of Bern, Bern, Switzerland
- Graduate School of Health Sciences, University of Bern, Bern, Switzerland
| | | | - Fabienne Krauer
- Centre for Ecological and Evolutionary Synthesis (CEES), University of Oslo, Oslo, Norway
| | - Nirmala Prajapati
- École des Hautes Études en Santé Publique (EHESP), Saint Denis, France
| | - Shabnam Thapa
- Institute of Public Health, Jagiellonian University Medical College, Kraków, Poland
| | - Lea Wildisen
- Institute of Primary Health Care (BIHAM), University of Bern, Bern, Switzerland
| | | | - Lukas Baumann
- Department of Internal Medicine, Kantonsspital Olten, Olten, Switzerland
| | - Sanam Shah
- École des Hautes Études en Santé Publique (EHESP), Saint Denis, France
| | - Tessa Whiteley
- École des Hautes Études en Santé Publique (EHESP), Saint Denis, France
| | - Gonzalo Solís-García
- Pediatrics Department, Hospital General Universitario Gregorio Marañón, Madrid, Spain
| | - Foteini Tsotra
- School of Health and Related Research (ScHARR), University of Sheffield, Sheffield, UK
| | - Ivan Zhelyazkov
- School of Health and Related Research (ScHARR), University of Sheffield, Sheffield, UK
| | - Hira Imeri
- Institute of Social and Preventive Medicine, University of Bern, Bern, Switzerland
| | - Nicola Low
- Institute of Social and Preventive Medicine, University of Bern, Bern, Switzerland
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Maggio LA, Costello JA, Norton C, Driessen EW, Artino AR. Knowledge syntheses in medical education: A bibliometric analysis. Perspect Med Educ 2021; 10:79-87. [PMID: 33090330 PMCID: PMC7580500 DOI: 10.1007/s40037-020-00626-9] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/13/2020] [Revised: 09/22/2020] [Accepted: 09/30/2020] [Indexed: 05/04/2023]
Abstract
PURPOSE This bibliometric analysis maps the landscape of knowledge syntheses in medical education. It provides scholars with a roadmap for understanding where the field has been and where it might go in the future, thereby informing research and educational practice. In particular, this analysis details the venues in which knowledge syntheses are published, the types of syntheses conducted, citation rates they produce, and altmetric attention they garner. METHOD In 2020, the authors conducted a bibliometric analysis of knowledge syntheses published in 14 core medical education journals from 1999 to 2019. To characterize the studies, metadata were extracted from PubMed, Web of Science, Altmetrics Explorer, and Unpaywall. RESULTS The authors analyzed 963 knowledge syntheses representing 3.1% of the total articles published (n = 30,597). On average, 45.9 knowledge syntheses were published annually (SD = 35.85, median = 33), and there was an overall 2620% increase in the number of knowledge syntheses published from 1999 to 2019. The journals each published, on average, a total of 68.8 knowledge syntheses (SD = 67.2, median = 41) with Medical Education publishing the most (n = 189; 19%). Twenty-one types of knowledge synthesis were identified, the most prevalent being systematic reviews (n = 341; 35.4%) and scoping reviews (n = 88; 9.1%). Knowledge syntheses were cited an average of 53.80 times (SD = 107.12, median = 19) and received a mean Altmetric Attention Score of 14.12 (SD = 37.59, median = 6). CONCLUSIONS There has been considerable growth in knowledge syntheses in medical education over the past 20 years, contributing to medical education's evidence base. Beyond this increase in volume, researchers have introduced methodological diversity in these publications, and the community has taken to social media to share knowledge syntheses. Implications for the field, including the impact of synthesis types and their relationship to knowledge translation, are discussed.
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Affiliation(s)
- Lauren A Maggio
- Uniformed Services University of the Health Sciences, Bethesda, MD, USA.
| | - Joseph A Costello
- Uniformed Services University of the Health Sciences, Bethesda, MD, USA
| | - Candace Norton
- Uniformed Services University of the Health Sciences, Bethesda, MD, USA
| | - Erik W Driessen
- Faculty of Health Medicine and Life Sciences, Maastricht University, Maastricht, The Netherlands
| | - Anthony R Artino
- School of Medicine and Health Sciences, The George Washington University, Washington, DC, USA
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Brydges R, Boyd VA, Tavares W, Ginsburg S, Kuper A, Anderson M, Stroud L. Assumptions About Competency-Based Medical Education and the State of the Underlying Evidence: A Critical Narrative Review. Acad Med 2021; 96:296-306. [PMID: 33031117 DOI: 10.1097/acm.0000000000003781] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
PURPOSE As educators have implemented competency-based medical education (CBME) as a framework for training and assessment, they have made decisions based on available evidence and on the medical education community's assumptions about CBME. This critical narrative review aimed to collect, synthesize, and judge the existing evidence underpinning assumptions the community has made about CBME. METHOD The authors searched Ovid MEDLINE to identify empirical studies published January 2000 to February 2019 reporting on competence, competency, and CBME. The knowledge synthesis focused on "core" assumptions about CBME, selected via a survey of stakeholders who judged 31 previously identified assumptions. The authors judged, independently and in pairs, whether evidence from included studies supported, did not support, or was mixed related to each of the core assumptions. Assumptions were also analyzed to categorize their shared or contrasting purposes and foci. RESULTS From 8,086 unique articles, the authors reviewed 709 full-text articles and included 189 studies reporting evidence related to 15 core assumptions. Most studies (80%; n = 152) used a quantitative design. Many focused on procedural skills (48%; n = 90) and assessed behavior in clinical settings (37%; n = 69). On aggregate, the studies produced a mixed evidence base, reporting 362 data points related to the core assumptions (169 supportive, 138 not supportive, and 55 mixed). The 31 assumptions were organized into 3 categories: aspirations, conceptualizations, and assessment practices. CONCLUSIONS The reviewed evidence base is significant but mixed, with limited diversity in research designs and the types of competencies studied. This review pinpoints tensions to resolve (where evidence is mixed) and research questions to ask (where evidence is absent). The findings will help the community make explicit its assumptions about CBME, consider the value of those assumptions, and generate timely research questions to produce evidence about how and why CBME functions (or not).
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Affiliation(s)
- Ryan Brydges
- R. Brydges is research director, a scientist, and professor of technology-enabled education, Allan Waters Family Simulation Centre, St. Michael's Hospital, and associate professor, Department of Medicine and Wilson Centre for Research in Education, University of Toronto and University Health Network, Toronto, Ontario, Canada; ORCID: http://orcid.org/0000-0001-5203-7049
| | - Victoria A Boyd
- V.A. Boyd is a PhD student, Institute of Health Policy, Management and Evaluation, University of Toronto, and a research fellow, Wilson Centre for Research in Education, University of Toronto and University Health Network, Toronto, Ontario, Canada; ORCID: http://orcid.org/0000-0003-3602-8964
| | - Walter Tavares
- W. Tavares is a scientist, Wilson Centre for Research in Education, University of Toronto and University Health Network, and assistant professor, Post MD Education, Department of Medicine, Institute of Health Policy Management and Evaluation, University of Toronto, Toronto, Ontario, Canada; ORCID: http://orcid.org/0000-0001-8267-9448
| | - Shiphra Ginsburg
- S. Ginsburg is professor, Department of Medicine, University of Toronto, a scientist, Wilson Centre for Research in Education, University of Toronto and University Health Network, and Canada Research Chair in Health Professions Education, Mt Sinai Hospital, Toronto, Ontario, Canada; ORCID: http://orcid.org/0000-0002-4595-6650
| | - Ayelet Kuper
- A. Kuper is associate professor and faculty co-lead, Person-Centred Care Education, Department of Medicine, University of Toronto, a scientist and associate director, Wilson Centre for Research in Education, University of Toronto and University Health Network, and a staff physician, Division of General Internal Medicine, Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada; ORCID: http://orcid.org/0000-0001-6399-6958
| | - Melanie Anderson
- M. Anderson is an information specialist, University Health Network, Toronto, Ontario, Canada
| | - Lynfa Stroud
- L. Stroud is associate professor, Department of Medicine, University of Toronto, a Centre researcher, Wilson Centre for Research in Education, University of Toronto and University Health Network, and a staff physician, Division of General Internal Medicine, Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada
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Alghamdi MA, Alzahrani RA, Alhashemi HH, Obaid AA, Alghamdi AG, Aldokhi MA, Alghamdi AM, Alghamdi AA, Qanat AS, Jastaniah WA, Alghamdi SM. Oncology research in Saudi Arabia over a 10-year period. A synopsis. Saudi Med J 2021; 41:261-266. [PMID: 32114598 PMCID: PMC7841566 DOI: 10.15537/smj.2020.3.24912] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023] Open
Abstract
Objectives: To assess the quality and quantity of Saudi publications in oncology over a 10-year period. Methods: A systematic PubMed search was conducted between January 2008 and December 2017 to retrieve all Saudi oncology publications. Data about the articles was collected. The level of evidence (LOE) was independently assessed by 2 authors. Two 5-year periods (2008-2012 and 2013-2017) were compared using the relevant parameters. Clinicaltrials.gov was also searched for all oncology trials registered in Saudi Arabia. Results: A total of 839 publications met our inclusion criteria. The most common type of research was case series, totaling 32% of all publications. Clinical trials formed less than 2% of the total. The LOE was I, II, III, and IV in 0.3%, 2.1%, 58.4%, and 39.3% of the included publications, respectively. The LOE was the same in the 2 periods. There were more publications in international journals (p=0.004), more international collaborations (p=0.001), and higher journal impact factors (p=0.037) in 2013-2017 than in 2008-2012. Only 76 registered clinical trials were found in the Clinicaltrials.gov registry. Conclusion: Despite an increase in the number of Saudi publications in the field of oncology over time, the LOE did not change. There were, however, some improvements in the international collaboration and journal impact factor, as well as an increase in the number of studies published in international journals. These observations call for a national strategy to improve oncology research in Saudi Arabia.
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Affiliation(s)
- Majed A Alghamdi
- Department of Internal Medicine, Faculty of Medicine, Al-Baha University, Al-Baha, Kingdom of Saudi Arabia. E-mail.
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Conlon JM. Highlights from selected articles in the journal involving host-defense peptides. Peptides 2020; 134:170429. [PMID: 33086088 DOI: 10.1016/j.peptides.2020.170429] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/09/2020] [Accepted: 10/11/2020] [Indexed: 10/23/2022]
Affiliation(s)
- J Michael Conlon
- Diabetes Research Group, School of Biomedical Sciences, Ulster University, Cromore Road, Coleraine, Northern Ireland BT52 1SA, UK.
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Lin H, Wang X, Huang M, Li Z, Shen Z, Feng J, Chen H, Wu J, Gao J, Wen Z, Huang F, Jiang Z. Research hotspots and trends of bone defects based on Web of Science: a bibliometric analysis. J Orthop Surg Res 2020; 15:463. [PMID: 33032636 PMCID: PMC7545570 DOI: 10.1186/s13018-020-01973-3] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/29/2020] [Accepted: 09/23/2020] [Indexed: 11/26/2022] Open
Abstract
BACKGROUND Bone defects can be seen everywhere in the clinic, but it is still a challenge for clinicians. Bibliometrics tool CiteSpace is based on the principle of "co-citation analysis theory" to reveal new technologies, hotspots, and trends in the medical field. In this study, CiteSpace was used to perform co-citation analysis on authors, countries (regions) and institutions, journals and cited journals, authors and cited literature, as well as keywords to reveal leaders, cooperative institutions, and research hotspots of bone defects and predict development trends. METHOD Data related to bone defect from 1994 to 2019 were retrieved from the Web of Science core collection; then, we use Excel to construct an exponential function to predict the number of annual publications; conduct a descriptive analysis on the top 10 journals with the largest number of publications; and perform co-citation analysis on authors, countries (regions) and institutions, journals and cited journals, authors and cited reference, and keywords using CiteSpace V5.5 and use the Burst Detection Algorithm to perform analysis on the countries (regions) and institutions and keywords, as well as cluster the keywords using log-likelihood ratio. RESULTS A total of 5193 studies were retrieved, and the number of annual publications of bone defects showed an exponential function Y = 1×10- 70e0.0829x (R2 = 0.9778). The high-yield author was Choi Seong-Ho at Yonsei University in South Korea. The high-yielding countries were the USA and Germany, and the high-yielding institutions were the Sao Paulo University and China and the Chinese Academy of Sciences which were the emerging research countries and institutions. The research results were mainly published in the fields of dentistry, bone, and metabolism. Among them, the Journal of Dental Research and Journal of Bone and Mineral Research were high-quality journals that report bone defect research, but the most cited journal was the Clinical Orthopaedics and Related Research. Hot keywords were regeneration, repair, in vitro, bone regeneration, reconstruction, and graft. The keywords that were strongly cited in 2010-2019 were transportation, osteogenic differentiation, proliferation, and biomaterials. After 2018, proliferation, osteogenic differentiation, stromal cells, transmission, and mechanical properties have become new vocabulary. The drug delivery, vascularization, osteogenic differentiation and biomaterial properties of bone defects were expected to be further studied. CONCLUSION The application of CiteSpace can reveal the leaders, cooperating institutions and research hotspots of bone defects and provide references for new technologies and further research directions.
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Affiliation(s)
- Haixiong Lin
- The First School of Clinical Medicine, Guangzhou University of Chinese Medicine, NO. 12 Jichang Road, Baiyun District, Guangzhou, 510405, People's Republic of China
| | - Xiaotong Wang
- Clinical Medical College of Acupuncture, Moxibustion and Rehabilitation, Guangzhou University of Chinese Medicine, Guangzhou, 510006, People's Republic of China
| | - Minling Huang
- The First School of Clinical Medicine, Guangzhou University of Chinese Medicine, NO. 12 Jichang Road, Baiyun District, Guangzhou, 510405, People's Republic of China
| | - Zige Li
- The First School of Clinical Medicine, Guangzhou University of Chinese Medicine, NO. 12 Jichang Road, Baiyun District, Guangzhou, 510405, People's Republic of China
| | - Zhen Shen
- Kunming Municipal Hospital of Traditional Chinese Medicine, The Third Affiliated Hospital of Yunnan University of Chinese Medicine, Kunming, 650011, People's Republic of China
| | - Junjie Feng
- The First School of Clinical Medicine, Guangzhou University of Chinese Medicine, NO. 12 Jichang Road, Baiyun District, Guangzhou, 510405, People's Republic of China
| | - Huamei Chen
- The First School of Clinical Medicine, Guangzhou University of Chinese Medicine, NO. 12 Jichang Road, Baiyun District, Guangzhou, 510405, People's Republic of China
| | - Jingjing Wu
- The First School of Clinical Medicine, Guangzhou University of Chinese Medicine, NO. 12 Jichang Road, Baiyun District, Guangzhou, 510405, People's Republic of China
| | - Junyan Gao
- The First School of Clinical Medicine, Guangzhou University of Chinese Medicine, NO. 12 Jichang Road, Baiyun District, Guangzhou, 510405, People's Republic of China
| | - Zheng Wen
- Department of Orthopaedics & Traumatology, The First Affiliated Hospital of Guangzhou University of Chinese Medicine, NO. 16 Jichang Road, Baiyun District, Guangzhou, 510405, People's Republic of China
| | - Feng Huang
- The First School of Clinical Medicine, Guangzhou University of Chinese Medicine, NO. 12 Jichang Road, Baiyun District, Guangzhou, 510405, People's Republic of China.
- Department of Orthopaedics & Traumatology, The First Affiliated Hospital of Guangzhou University of Chinese Medicine, NO. 16 Jichang Road, Baiyun District, Guangzhou, 510405, People's Republic of China.
| | - Ziwei Jiang
- Department of Orthopaedics & Traumatology, The First Affiliated Hospital of Guangzhou University of Chinese Medicine, NO. 16 Jichang Road, Baiyun District, Guangzhou, 510405, People's Republic of China.
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Wang Z, Huang C, Li X. Research Trends and Hotspot Analysis of Conjunctival Bacteria Based on CiteSpace Software. Biomed Res Int 2020; 2020:2580795. [PMID: 33083458 PMCID: PMC7556104 DOI: 10.1155/2020/2580795] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/28/2020] [Revised: 07/28/2020] [Accepted: 09/28/2020] [Indexed: 12/26/2022]
Abstract
OBJECTIVE To sort out the literature related to conjunctival bacteria and summarize research hotspots and trends of this field. MATERIALS AND METHODS The relevant literature data from 1900 to 2019 was retrieved from the Web of Science Core Collection database. After manual selection, each document record includes title, author, keywords, abstract, year, organization, and citation. We imported the downloaded data into CiteSpace V (version 5.5R2) to draw the knowledge map and conduct cooperative network analysis, discipline and journal analysis, cluster analysis, and burst keyword analysis. RESULTS After manual screening, there were 285 relevant papers published in the last 28 years (from 1991 to 2019), and the number is increasing year by year. The publications of conjunctival bacteria were dedicated by 1381 authors of 451 institutions in 56 countries/regions. The United States dominates this field (82 literatures), followed by Germany (23 literatures) and Japan (23 literatures). Overall, most cited papers were published with a focus on molecular biology, genetics, nursing, and toxicology. Most papers fall into the category of ophthalmology, veterinary sciences, and pharmacology and pharmacy. The only organized cluster is the "postantibiotic effect," and the top 5 keywords with the strongest citation bursts include "postoperative endophthalmiti(s)," "infectious keratoconjunctiviti(s)," "conjunctiviti(s)," "resistance," and "diversity". CONCLUSION The global field of conjunctival bacteria has expanded in the last 28 years. The United States contributes most. However, there are little cooperation among authors and institutions. Overall, this bibliometric study organized one cluster, "postantibiotic effect", and identified the top 5 hotspots in conjunctival bacteria research: "postoperative endophthalmiti(s)," "infectious keratoconjunctiviti(s)," "conjunctiviti(s)," "resistance," and "diversity". Thus, further research focuses on these topics that may be more helpful to prevent ocular infection and improve prophylaxis strategies to bring a benefit to patients in the near future.
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Affiliation(s)
- Zhenyu Wang
- Department of Ophthalmology, Peking University Third Hospital, Beijing, China
- Beijing Key Laboratory of Restoration of Damaged Ocular Nerve, Peking University Third Hospital, Beijing, China
| | - Chen Huang
- Department of Ophthalmology, Peking University Third Hospital, Beijing, China
- Beijing Key Laboratory of Restoration of Damaged Ocular Nerve, Peking University Third Hospital, Beijing, China
- Medical Research Center, Peking University Third Hospital, Beijing, China
| | - Xuemin Li
- Department of Ophthalmology, Peking University Third Hospital, Beijing, China
- Beijing Key Laboratory of Restoration of Damaged Ocular Nerve, Peking University Third Hospital, Beijing, China
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Abstract
PURPOSE To identify the 100 most cited research articles on cervical cancer radiotherapy. METHODS The Web of Science and Scopus databases were searched to identify the 100 most cited articles on cervical cancer radiotherapy as of September 29, 2019. Articles were ranked based on the total citations received from 2 databases. One hundred articles about radiotherapy for cervical cancer were identified. The following important information was extracted: author, journal, year and month of publication, country or region, and radiotherapy technologies. RESULTS The 100 most cited articles on cervical cancer radiotherapy were published between 1964 and 2016, and the total citations from 2 databases ranged from 3478 to 211, including a total of 49,262 citations as of September 29, 2019. The index of citations per year ranged from 170.4 to 13.1. These articles were from 16 countries or regions, with most publications being from the United States (n = 38), followed by Austria (n = 15), Canada (n = 8), France (n = 8) and the United Kingdom (n = 7). The International Journal of Radiation Oncology, Biology, Physics produced the most articles (n = 42), followed by Radiotherapy and Oncology (n = 13), Cancer (n = 8) and Journal of Clinical Oncology (n = 7). These articles were categorized as original studies (n = 86), recommendations (n = 5), guidelines (n = 5) and reviews (n = 4). Of the 100 most cited articles, intracavitary brachytherapy (n = 50) and 3-dimensional conformal radiotherapy (n = 34) were the most commonly used treatment techniques. CONCLUSION To the best of our knowledge, this is the first report and analysis of the most cited articles on cervical cancer radiotherapy. This bibliographic study presents the history of technological development in external radiation therapy and brachytherapy. Brachytherapy is an indispensable part of radiotherapy for cervical cancer. The International Journal of Radiation Oncology Biology Physics is the journal with the most publications related to cervical cancer radiotherapy.
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Affiliation(s)
- Zhipeng Zhao
- Department of Radiation Oncology, China-Japan Union Hospital of Jilin University, Changchun
| | - Xiaodi Tang
- Department of Radiation Oncology, China-Japan Union Hospital of Jilin University, Changchun
| | - Xin MU
- Department of Radiation Oncology, Jilin City Hospital of Chemical Industry, Jilin, Jilin, China
| | - Hongfu Zhao
- Department of Radiation Oncology, China-Japan Union Hospital of Jilin University, Changchun
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Caputo A, Tomai M. A systematic review of psychodynamic theories in community psychology: Discovering the unconscious in community work. J Community Psychol 2020; 48:2069-2085. [PMID: 32667066 DOI: 10.1002/jcop.22407] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/30/2020] [Revised: 05/30/2020] [Accepted: 06/16/2020] [Indexed: 06/11/2023]
Abstract
The aim of this systematic review is to provide a narrative synthesis of the peer-reviewed literature regarding the role of psychodynamics in community psychology. The authors screened 301 records on the topic, found in major citation databases (Scopus and Web of Science) without time or language restrictions. Ten articles addressing the review question were identified, showing the contributions of interpersonal psychoanalysis, Adlerian psychology, the Tavistock psychodynamic model, and Lacanian psychoanalysis. Several points of synergy between community psychology and psychodynamics were outlined mainly concerning empowerment theory, preventative and ecological perspective, power, and social order. Besides, the view on the community life, the role of emotion, and the conceptualization of the unconscious domain are discussed. Implications for community interventions are highlighted, regarding clients' demands, the role of community practitioners, and the use of transference/countertransference in consultative work. Limitations and future directions are also considered.
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Affiliation(s)
- Andrea Caputo
- Department of Dynamic and Clinical Psychology, "Sapienza" University of Rome, Rome, Italy
| | - Manuela Tomai
- Department of Dynamic and Clinical Psychology, "Sapienza" University of Rome, Rome, Italy
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Lochnan H, Kitto S, Danilovich N, Viner G, Walsh A, Oandasan IF, Hendry P. Conceptualization of Competency-Based Medical Education Terminology in Family Medicine Postgraduate Medical Education and Continuing Professional Development: A Scoping Review. Acad Med 2020; 95:1106-1119. [PMID: 31996559 DOI: 10.1097/acm.0000000000003178] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
PURPOSE To examine the extent, range, and nature of how competency-based medical education (CBME) implementation terminology is used (i.e., the conceptualization of CBME-related terms) within the family medicine postgraduate medical education (PGME) and continuing professional development (CPD) literature. METHOD This scoping review's methodology was based on Arksey and O'Malley's framework and subsequent recommendations by Tricco and colleagues. The authors searched 5 databases and the gray literature for U.S. and Canadian publications between January 2000 and April 2017. Full-text English-language articles on CBME implementation that focused exclusively on family medicine PGME and/or CPD programs were eligible for inclusion. A standardized data extraction form was used to collect article demographic data and coding concepts data. Data analysis used mixed methods, including quantitative frequency analysis and qualitative thematic analysis. RESULTS Of 470 unique articles identified, 80 (17%) met the inclusion criteria and were selected for inclusion in the review. Only 12 (15%) of the 80 articles provided a referenced definition of the coding concepts (i.e., referred to an article/organization as the definition's source), resulting in 19 highly variable-and 12 unique- referenced definitions of key terms used in CBME implementation (competence, competency, competency-based medical education). Thematic analysis of the referenced definitions identified 15 dominant themes, among which the most common were (1) a multidimensional and dynamic concept that encompasses a variety of skill components and (2) being able to use communication, knowledge, technical skills, clinical reasoning, judgment, emotions, attitudes, personal values, and reflection in practice. CONCLUSIONS The construction and dissemination of shared definitions is essential to CBME's successful implementation. The low number of referenced definitions and lack of consensus on such definitions suggest more attention needs to be paid to conceptual rigor. The authors recommend those involved in family medicine education work with colleagues across medical specialties to develop a common taxonomy.
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Affiliation(s)
- Heather Lochnan
- H. Lochnan is assistant dean of continuing professional development, Education Programming, Faculty of Medicine, an endocrinologist, and professor, Department of Medicine, University of Ottawa, Ottawa, Ontario, Canada. S. Kitto is director of research, Office of Continuing Professional Development, and professor, Department of Innovation in Medical Education, University of Ottawa, Ottawa, Ontario, Canada. N. Danilovich is a research associate, Office of Continuing Professional Development, Department of Innovation in Medical Education, University of Ottawa, Ottawa, Ontario, Canada. G. Viner is director of evaluation in postgraduate program and associate professor, Department of Family Medicine, University of Ottawa, Ottawa, Ontario, Canada. A. Walsh is professor emeritus, Department of Family Medicine, McMaster University, Hamilton, Ontario, Canada. I.F. Oandasan is director, Education/directrice, Éducation, College of Family Physicians of Canada, Mississauga, Ontario, Canada. P. Hendry is vice dean of continuing professional development and professor of surgery, Faculty of Medicine, University of Ottawa, and a cardiac surgeon, University of Ottawa Heart Institute, Ottawa, Ontario, Canada
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Menezes RG, Usman MS, Memon MM, Siddiqi TJ, Madadin M. Landmark publications on Sudden Infant Death Syndrome: A bibliometrics analysis. Forensic Sci Rev 2020; 32:117-127. [PMID: 32712579] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Sudden infant death syndrome (SIDS) is a poorly understood disorder, and its pathophysiology and risk factors remain unclear. Research in the area is the key to combating the pervasive prevalence of this fatal disorder. We sought to identify the top 50 articles concerning SIDS and study their bibliometric characteristics to gain an insight into the research trends in this area. Using the Scopus database, two independent reviewers conducted a literature search using a prespecified search string. Results were arranged according to the citation count, and the top 50 relevant articles were selected. No time restrictions were set, and all types of articles were included. A detailed analysis was carried out to identify the trends and characteristics of the top 50 articles. The top 50 articles were published between 1972 and 2011, with the most productive 5-year interval being 1991-1995. These 50 papers accumulated a total of 13,703 citations (median = 236 citations per paper). Among these, about 9% were self-citations. The citations received by these core papers seemed to decline post-2009. The top 50 articles were published in 21 different journals, with Pediatrics contributing the most (n = 15). US authors were listed for 60% of the articles (n = 30). None of the articles originated from Asian authors. Our manuscript highlights the characteristics of impactful articles on SIDS - and this can act as a directive for researchers aiming to publish on this topic. Bibliometric parameters suggest a decreasing research interest in the fi eld of SIDS, which is concerning, and efforts should be made to promote research. Furthermore, the lack of influential research from Asian authors is also troubling. Funding should preferably be directed toward Asian researchers to bridge the gap in knowledge.
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Affiliation(s)
- R G Menezes
- Department of Pathology, College of Medicine, King Fahd Hospital of the University, Imam Abdulrahman Bin Faisal University, Dammam, Eastern Province, Saudi Arabia
| | - M S Usman
- Dow Medical College, Dow University of Health Sciences, Karachi, Sindh, Pakistan
| | - M M Memon
- Dow Medical College, Dow University of Health Sciences, Karachi, Sindh, Pakistan
| | - T J Siddiqi
- Dow Medical College, Dow University of Health Sciences, Karachi, Sindh, Pakistan
| | - M Madadin
- Department of Pathology, College of Medicine, King Fahd Hospital of the University, Imam Abdulrahman Bin Faisal University, Dammam, Eastern Province, Saudi Arabia
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Arrizabalaga O, Otaegui D, Vergara I, Arrizabalaga J, Méndez E. Open Access of COVID-19-related publications in the first quarter of 2020: a preliminary study based in PubMed. F1000Res 2020; 9:649. [PMID: 32850121 PMCID: PMC7438966 DOI: 10.12688/f1000research.24136.2] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 07/30/2020] [Indexed: 01/19/2023] Open
Abstract
Background: The COVID-19 outbreak has made funders, researchers and publishers agree to have research publications, as well as other research outputs, such as data, become openly available. In this extraordinary research context of the SARS CoV-2 pandemic, publishers are announcing that their coronavirus-related articles will be made immediately accessible in appropriate open repositories, like PubMed Central (PMC), agreeing upon funders' and researchers' instigation. Methods: This work uses Unpaywall, OpenRefine and PubMed to analyse the level of openness of the papers about COVID-19, published during the first quarter of 2020. It also analyses Open Access (OA) articles published about previous coronavirus (SARS CoV-1 and MERS CoV) as a means of comparison. Results: A total of 5,611 COVID-19-related articles were analysed from PubMed. This is a much higher amount for a period of 4 months compared to those found for SARS CoV-1 and MERS during the first year of their first outbreaks (337 and 125 articles, respectively). Regarding the levels of openness, 97.4% of the SARS CoV-2 papers are freely available; similar rates were found for the other coronaviruses. Deeper analysis showed that (i) 68.3% of articles belong to an undefined Bronze category; (ii) 72.1% of all OA papers don't carry a specific license and in all cases where there is, half of them do not meet Open Access standards; (iii) there is a large proportion that present a copy in a repository, in most cases in PMC, where this trend is also observed. These patterns were found to be repeated in most frequent publishers: Elsevier, Springer and Wiley. Conclusions: Our results suggest that, although scientific production is much higher than during previous epidemics and is open, there is a caveat to this opening, characterized by the absence of fundamental elements and values on which Open Science is based, such as licensing.
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Affiliation(s)
- Olatz Arrizabalaga
- Innovation Group, Biodonostia Health Research Institute, San Sebastian, 20014, Spain
| | - David Otaegui
- Multiple Sclerosis Group, Biodonostia Health Research Institute, San Sebastian, 20014, Spain
| | - Itziar Vergara
- Group of Research in Primary Care, Biodonostia Health Research Institute, San Sebastian, 20014, Spain
| | - Julio Arrizabalaga
- Innovation Group, Biodonostia Health Research Institute, San Sebastian, 20014, Spain
| | - Eva Méndez
- Library and Information Science Department, Universidad Carlos III de Madrid, Madrid, 28903, Spain
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Arrizabalaga O, Otaegui D, Vergara I, Arrizabalaga J, Méndez E. Open Access of COVID-19-related publications in the first quarter of 2020: a preliminary study based in PubMed. F1000Res 2020; 9:649. [PMID: 32850121 PMCID: PMC7438966 DOI: 10.12688/f1000research.24136.1] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 06/03/2020] [Indexed: 01/11/2024] Open
Abstract
Background: The COVID-19 outbreak has made funders, researchers and publishers agree to have research publications, as well as other research outputs, such as data, become openly available. In this extraordinary research context of the SARS CoV-2 pandemic, publishers are announcing that their coronavirus-related articles will be made immediately accessible in appropriate open repositories, like PubMed Central, agreeing upon funders' and researchers' instigation. Methods: This work uses Unpaywall, OpenRefine and PubMed to analyse the level of openness of articles about COVID-19, published during the first quarter of 2020. It also analyses Open Access (OA) articles published about previous coronavirus (SARS CoV-1 and MERS CoV) as a means of comparison. Results: A total of 5,611 COVID-19-related articles were analysed from PubMed. This is a much higher amount for a period of 4 months compared to those found for SARS CoV-1 and MERS during the first year of their first outbreaks (335 and 116 articles, respectively). Regarding the levels of openness, 88.8% of the SARS CoV-2 papers are freely available; similar rates were found for the other coronaviruses. Deeper analysis showed that (i) 67.4% of articles belong to an undefined Bronze category; (ii) 76.4% of all OA papers don't carry any license, followed by 10.4% which display restricted licensing. These patterns were found to be repeated in the three most frequent publishers: Elsevier, Springer and Wiley. Conclusions: Our results suggest that, although scientific production is much higher than during previous epidemics and is open, there is a caveat to this opening, characterized by the absence of fundamental elements and values on which Open Science is based, such as licensing.
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Affiliation(s)
- Olatz Arrizabalaga
- Innovation Group, Biodonostia Health Research Institute, San Sebastian, 20014, Spain
| | - David Otaegui
- Multiple Sclerosis Group, Biodonostia Health Research Institute, San Sebastian, 20014, Spain
| | - Itziar Vergara
- Group of Research in Primary Care, Biodonostia Health Research Institute, San Sebastian, 20014, Spain
| | - Julio Arrizabalaga
- Innovation Group, Biodonostia Health Research Institute, San Sebastian, 20014, Spain
| | - Eva Méndez
- Library and Information Science Department, Universidad Carlos III de Madrid, Madrid, 28903, Spain
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Ruiz-Patiño A, Cardona AF, Arrieta O, Rolfo C, Gómez HL, Raez LE, Lopes G, Zatarain-Barrón ZL, Ricaurte L, Zamudio-Molano N, Rangel V, Oviedo J, Solano MP, Rojas L, Corrales L, Martín C, Mas L, Cuello M, Barrón F, Otero J, Carranza H, Vargas C, Rosell R. Scientific publications in cancer: in Latin America, strong scientific networks increase productivity (the TENJIN study). J Clin Epidemiol 2020; 126:1-8. [PMID: 32540384 DOI: 10.1016/j.jclinepi.2020.05.033] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2019] [Revised: 04/22/2020] [Accepted: 05/11/2020] [Indexed: 01/04/2023]
Abstract
OBJECTIVES The objectives of this study are to evaluate the relationship between authorship networking, socioeconomic factors, and scientific productivity across Latin America. METHODS In a bibliometric analysis of cancer-related Latin-American publications, the relationship between authorship network indicators, sociodemographic factors, and number of peer-reviewed indexed publications per country was explored. A systematic review of the literature for cancer publications between 2000 and 2018 using the Scopus database limited to Latin-American authors was used for the construction of coauthorship and publication networks and their respective metrics. Sociodemographic variables including percentage of invested gross domestic product in research, population, and cancer incidence were also estimated. Multiple linear regression models were constructed to determine the relationship between productivity and the aforementioned variables. RESULTS A total of 8,528 articles across nine countries were included. Brazil was the most productive nation with 41.8% of identified references followed by Mexico (16.6%) and Argentina (12.9%). Latin America experienced a 9% growth in number of publications across the studied time frame. After analyzing networking and sociodemographic variables, number of authors in a collaboration network and percentage of invested gross domestic product were associated with high productivity yielding a multiple regression model with an R2 value of 0.983. CONCLUSIONS This study indicates that extensive authorship networking and a high investment in research strongly predict cancer-related productivity.
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Affiliation(s)
- Alejandro Ruiz-Patiño
- Foundation for Clinical and Applied Cancer Research (FICMAC), Bogotá, Colombia; Molecular Oncology and Biology Systems Research Group (FOX-G), Universidad el Bosque, Bogotá, Colombia
| | - Andrés Felipe Cardona
- Foundation for Clinical and Applied Cancer Research (FICMAC), Bogotá, Colombia; Molecular Oncology and Biology Systems Research Group (FOX-G), Universidad el Bosque, Bogotá, Colombia; Clinical and Traslational Oncology Group, Clínica del Country, Bogotá, Colombia.
| | - Oscar Arrieta
- Thoracic Oncology Unit, Instituto Nacional de Cancerología - INCaN, México City, Mexico
| | - Christian Rolfo
- Thoracic Medical Oncology and Early Clinical Trials Unit, University of Maryland Marlene and Stewart Greenebaum Comprehensive Cancer Center (UMGCCC), Baltimore, MD, USA
| | - Henry L Gómez
- Medical Oncology Department, Instituto Nacional de Enfermedades Neoplásicas - INEN, Lima, Peru
| | - Luis E Raez
- Thoracic Oncology Program, Memorial Cancer Institute (MCI), Florida International University (FIU), Miami, FL, USA
| | - Gilberto Lopes
- Global Oncology Department, University of Miami, Sylvester Comprehensive Cancer Center and Miller School of Medicine, Miami, FL, USA
| | | | - Luisa Ricaurte
- Foundation for Clinical and Applied Cancer Research (FICMAC), Bogotá, Colombia; Pathology Department, Mayo Clinic, Rochester, MN, USA
| | | | - Valentina Rangel
- Foundation for Clinical and Applied Cancer Research (FICMAC), Bogotá, Colombia
| | - Juan Oviedo
- Foundation for Clinical and Applied Cancer Research (FICMAC), Bogotá, Colombia
| | - Maria Paula Solano
- Foundation for Clinical and Applied Cancer Research (FICMAC), Bogotá, Colombia
| | - Leonardo Rojas
- Molecular Oncology and Biology Systems Research Group (FOX-G), Universidad el Bosque, Bogotá, Colombia; Clinical and Traslational Oncology Group, Clínica del Country, Bogotá, Colombia; Oncology Department, Clínica Colsanitas, Bogotá, Colombia
| | - Luis Corrales
- Clinical Oncology Department, Centro de Investigaciones y Manejo del Cáncer, San José, Costa Rica
| | - Claudio Martín
- Thoracic Oncology Unit, Instituto Fleming, Buenos Aires, Argentina
| | - Luis Mas
- Medical Oncology Department, Instituto Nacional de Enfermedades Neoplásicas - INEN, Lima, Peru
| | - Mauricio Cuello
- Medical Oncology Department, Hospital de Clínica, Universidad de la Republica - UdeLAR, Montevideo, Uruguay
| | - Feliciano Barrón
- Thoracic Oncology Unit, Instituto Nacional de Cancerología - INCaN, México City, Mexico
| | - Jorge Otero
- Foundation for Clinical and Applied Cancer Research (FICMAC), Bogotá, Colombia; Molecular Oncology and Biology Systems Research Group (FOX-G), Universidad el Bosque, Bogotá, Colombia
| | - Hernán Carranza
- Foundation for Clinical and Applied Cancer Research (FICMAC), Bogotá, Colombia; Molecular Oncology and Biology Systems Research Group (FOX-G), Universidad el Bosque, Bogotá, Colombia; Clinical and Traslational Oncology Group, Clínica del Country, Bogotá, Colombia
| | - Carlos Vargas
- Foundation for Clinical and Applied Cancer Research (FICMAC), Bogotá, Colombia; Molecular Oncology and Biology Systems Research Group (FOX-G), Universidad el Bosque, Bogotá, Colombia; Clinical and Traslational Oncology Group, Clínica del Country, Bogotá, Colombia
| | - Rafael Rosell
- Cancer Biology and Precision Medicine Program Catalan Institute of Oncology; Germans Trias i Pujol Health Sciences Institute and Hospital Badalona, Barcelona, Spain
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Jaffe K, ter Horst E, Gunn LH, Zambrano JD, Molina G. A network analysis of research productivity by country, discipline, and wealth. PLoS One 2020; 15:e0232458. [PMID: 32401823 PMCID: PMC7219709 DOI: 10.1371/journal.pone.0232458] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2019] [Accepted: 04/15/2020] [Indexed: 11/18/2022] Open
Abstract
Introduction Research productivity has been linked to a country’s intellectual and economic wealth. Further analysis is needed to assess the association between the distribution of research across disciplines and the economic status of countries. Methods By using 55 years of data, spanning 1962 to 2017, of Elsevier publications across a large set of research disciplines and countries globally, this manuscript explores the relationship and evolution of relative research productivity across different disciplines through a network analysis. It also explores the associations of those with economic productivity categories, as measured by the World Bank economic classification. Additional analysis of discipline similarities is possible by exploring the cross-country evolution of those disciplines. Results Results show similarities in the relative importance of research disciplines among most high-income countries, with larger idiosyncrasies appearing among the remaining countries. This group of high-income countries shows similarities in the dynamics of the relative distribution of research productivity over time, forming a stable research productivity cluster. Lower income countries form smaller, more independent and evolving clusters, and differ significantly from each other and from higher income countries in the relative importance of their research emphases. Country-based similarities in research productivity profiles also appear to be influenced by geographical proximity. Conclusions This new form of analyses of research productivity, and its relation to economic status, reveals novel insights to the dynamics of the economic and research structure of countries. This allows for a deeper understanding of the role a country’s research structure may play in shaping its economy, and also identification of benchmark resource allocations across disciplines for developing countries.
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Affiliation(s)
- Klaus Jaffe
- Universidad Simon Bolivar, Caracas, Venezuela
| | - Enrique ter Horst
- Facultad de Administracion, Universidad de los Andes, Bogota, Colombia
| | - Laura H. Gunn
- Department of Public Health Sciences, University of North Carolina at Charlotte, Charlotte, North Carolina, United States of America
- School of Public Health, Imperial College London, London, United Kingdom
- * E-mail:
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He L, Fang H, Chen C, Wu Y, Wang Y, Ge H, Wang L, Wan Y, He H. Metastatic castration-resistant prostate cancer: Academic insights and perspectives through bibliometric analysis. Medicine (Baltimore) 2020; 99:e19760. [PMID: 32282738 PMCID: PMC7220391 DOI: 10.1097/md.0000000000019760] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND In recent years, metastatic castration-resistant prostate cancer (MCRPC) and studies related to MCRPC have drawn global attention. The main objective of this bibliometric study was to provide an overview of MCRPC, explore clusters and trends in research and investigate the future direction of MCRPC research. METHODS A total of 4089 publications published between 1979 and 2018 were retrieved from the Web of Science (WoS) Core Collection database. Different aspects of MCRPC research, including the countries/territories, institutions, journals, authors, research areas, funding agencies and author keywords, were analyzed. RESULTS The number of annual MCRPC publications increased rapidly after 2010. American researchers played a vital role in this increase, as they published the most publications. The most productive institution was Memorial Sloan Kettering Cancer Center. De Bono, JS (the United Kingdom [UK]) and Scher, HI (the United States of America [USA]) were the two most productive authors. The National Institutes of Health (NIH) funded the largest number of published papers. Analyses of keywords suggested that therapies (abiraterone, enzalutamide, etc.) would attract global attention after US Food and Drug Administration (FDA) approval. CONCLUSIONS Developed countries, especially the USA, were the leading nations for MCRPC research because of their abundant funding and frequent international collaborations. Therapy was one of the most vital aspects of MCRPC research. Therapies targeting DNA repair or the androgen receptor (AR) signing pathway and new therapies especially prostate-specific membrane antigen (PSMA)-based radioligand therapy (RLT) would be the next focus of MCRPC research.
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Affiliation(s)
- Lugeng He
- Department of Urology, Affiliated Hangzhou First People's Hospital, Zhejiang University School of Medicine, Hangzhou, 310006
| | - Hui Fang
- Institute of Information Resource
- Library, Zhejiang University of Technology, Hangzhou, 310014,
| | - Chao Chen
- Department of Urology, Affiliated Hangzhou First People's Hospital, Zhejiang University School of Medicine, Hangzhou, 310006
| | - Yanqi Wu
- Institute of Information Resource
- Library, Zhejiang University of Technology, Hangzhou, 310014,
| | - Yuyong Wang
- Department of Urology, Affiliated Hangzhou First People's Hospital, Zhejiang University School of Medicine, Hangzhou, 310006
| | - Hongwei Ge
- Department of Urology, Affiliated Hangzhou First People's Hospital, Zhejiang University School of Medicine, Hangzhou, 310006
| | - Lili Wang
- Department of Molecular Pathology, The Affiliated Hospital of Qingdao University, Qingdao, 266000, P. R. China
| | - Yuehua Wan
- Institute of Information Resource
- Library, Zhejiang University of Technology, Hangzhou, 310014,
| | - Huadong He
- Department of Urology, Affiliated Hangzhou First People's Hospital, Zhejiang University School of Medicine, Hangzhou, 310006
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Chaw L, Chien LC, Wong J, Takahashi K, Koh D, Lin RT. Global trends and gaps in research related to latent tuberculosis infection. BMC Public Health 2020; 20:352. [PMID: 32183753 PMCID: PMC7079542 DOI: 10.1186/s12889-020-8419-0] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2019] [Accepted: 02/27/2020] [Indexed: 11/25/2022] Open
Abstract
BACKGROUND There is a global commitment to eliminating tuberculosis (TB). It is critical to detect and treat cases of latent TB infection (LTBI), the reservoir of new TB cases. Our study assesses trends in publication of LTBI-related research. METHODS We used the keywords ("latent tuberculosis" OR "LTBI" OR "latent TB") to search the Web of Science for LTBI-related articles published 1995-2018, then classified the results into three research areas: laboratory sciences, clinical research, and public health. We calculated the proportions of LTBI-related articles in each area to three areas combined, the average rates of LTBI-related to all scientific and TB-related articles, and the average annual percent changes (AAPC) in rates for all countries and for the top 13 countries individually and combined publishing LTBI research. RESULTS The proportion of LTBI-related articles increased over time in all research areas, with the highest AAPC in laboratory (38.2%/yr), followed by public health (22.9%/yr) and clinical (15.1%/yr). South Africa (rate ratio [RR] = 8.28, 95% CI 5.68 to 12.08) and India (RR = 2.53, 95% CI 1.74 to 3.69) had higher RRs of overall TB-related articles to all articles, but did not outperform the average of the top 13 countries in the RRs of LTBI-related articles to TB-related articles. Italy (RR = 1.95, 95% CI 1.45 to 2.63), Canada (RR = 1.73, 95% CI 1.28 to 2.34), and Spain (RR = 1.53, 95% CI 1.13 to 2.07) had higher RRs of LTBI-related articles to TB-related articles. CONCLUSIONS High TB burden countries (TB incidence > 100 per 100,000 population) published more overall TB-related research, whereas low TB burden countries showed greater focus on LTBI. Given the potential benefits, high TB burden countries should consider increasing their emphasis on LTBI-related research.
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Affiliation(s)
- Liling Chaw
- PAPRSB Institute of Health Sciences, Universiti Brunei Darussalam, Jalan Tungku Link BE1410, Gadong, Bandar Seri Begawan, Brunei Darussalam
| | - Lung-Chang Chien
- Epidemiology and Biostatistics, Department of Environmental and Occupational Health, School of Public Health, University of Nevada, Las Vegas, Las Vegas, NV 89119 USA
| | - Justin Wong
- Disease Control Division, Ministry of Health, Brunei Darussalam; Commonwealth Drive, BB3910, Bandar Seri Begawan, Brunei Darussalam
| | - Ken Takahashi
- Asbestos Diseases Research Institute, Concord, NSW 2139 Australia
| | - David Koh
- PAPRSB Institute of Health Sciences, Universiti Brunei Darussalam, Jalan Tungku Link BE1410, Gadong, Bandar Seri Begawan, Brunei Darussalam
- Saw Swee Hock School of Public Health, National University of Singapore, Singapore, 117549 Republic of Singapore
| | - Ro-Ting Lin
- Department of Occupational Safety and Health, College of Public Health, China Medical University, Room 1610, No. 91, Hsueh-Shih Road, Taichung, 40402 Taiwan
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Charfi R, Mlika M, Cheikhrouhou S, El Fekih H, Sellaouti F, Zakhama L, Labbene I, Jouini M. Progress and impact of the publications of the Faculty of Medicine of Tunis: A 55 years study. Tunis Med 2020; 98:211-218. [PMID: 32395814] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
BACKGROUND Over the past few years, efforts have been made to ensure that the teachers of the Faculty of Medicine of Tunis (FMT) cite their affiliation to the FMT and the University of Tunis El Manar in addition to their hospital institutions and their research structure in their publications. AIMS In this study, we proposed to evaluate the FMT's membership in the publications of its teachers, to identify the different types of publications and to estimate the real number. METHODS In this bibliometric cross-sectional study, we retrieved the FMT publications indexed in medline/pubmed database (1964-June2019). We have chosen the keywords corresponding to the publications of group1 (referenced FMT) and group2 (referenced FMT or annexed hospital-university institutions). Next, we calculated the rate of group1 on group2 and sorted the different types of items in group2. Finally, We estimated, after randomization, the actual number of FMT publications for a 99% confidence interval (99% CI). RESULTS For groups 1 and 2, 1477 and 5194 publications were retrieved, respectively. The FMT membership rate averaged 28% ranging from 4% (1990-2010) to 44% (2011-2019). Of the FMT publications, 30% were free of charge and 55% were original articles. After a draw for 300 group2 publications, the estimated number of total FMT publications was between 4519 and 4934 for a 99% CI. CONCLUSIONS It is essential to mention its affiliation to «the Faculty of Medicine of Tunis» and to «the University of Tunis El Manar» in order to improve the visibility and ranking of our two academic institutions.
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Kornbluh R, Davis R. Global trends in measles publications. Pan Afr Med J 2020; 35:14. [PMID: 32373265 PMCID: PMC7195917 DOI: 10.11604/pamj.supp.2020.35.1.18508] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2019] [Accepted: 01/20/2020] [Indexed: 11/17/2022] Open
Abstract
INTRODUCTION Beginning with the 1960s, this review analyzes trends in publications on measles indexed by the National Library of Medicine from January 1960 to mid-2018. It notes both the growth in numbers of published papers, and the increasing number and proportion of publications, in the current century, of articles on such items as costing, measles elimination, and determinants of coverage. METHODS A two-person team extracted from the National Library of Medicine (NLM) homepage all citations on measles beginning in 1960 and continuing through mid-2018. These were then classified both by overall number and by subject matter, with tabular summaries of both by decade and by subject matter. The tabular presentation forms the basis for a discussion of the ten most frequently cited subjects, and publication trends, with a special emphasis on the current century. RESULTS As in the past, the most often currently published items have been on coverage and its determinants, measles elimination, outbreak reports, SSPE, and SIAs. The putative relationship between vaccination and autism saw a spurt of articles in the 1990s, rapidly declining after the IOM report rejecting the causative hypothesis. CONCLUSION There is a discussion on the sequencing of polio and measles eradication, the former unlikely before 2022, and an examination of likely research priorities as the world moves from measles control to measles eradication. There is a key role for social science in combatting vaccination reticence. The role of technical innovations, such as micropatch vaccination, is discussed.
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Song M, Kang KY, Timakum T, Zhang X. Examining influential factors for acknowledgements classification using supervised learning. PLoS One 2020; 15:e0228928. [PMID: 32059035 PMCID: PMC7021295 DOI: 10.1371/journal.pone.0228928] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2019] [Accepted: 01/26/2020] [Indexed: 01/04/2023] Open
Abstract
Acknowledgements have been examined as important elements in measuring the contributions to and intellectual debts of a scientific publication. Unlike previous studies that were limited in the scope of analysis and manual examination. The present study aimed to conduct the automatic classification of acknowledgements on a large scale of data. To this end, we first created a training dataset for acknowledgements classification by sampling the acknowledgements sections from the entire PubMed Central database. Second, we adopted various supervised learning algorithms to examine which algorithm performed best in what condition. In addition, we observed the factors affecting classification performance. We investigated the effects of the following three main aspects: classification algorithms, categories, and text representations. The CNN+Doc2Vec algorithm achieved the highest performance of 93.58% accuracy in the original dataset and 87.93% in the converted dataset. The experimental results indicated that the characteristics of categories and sentence patterns influenced the performance of classification. Most of the classifiers performed better on the categories of financial, peer interactive communication, and technical support compared to other classes.
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Affiliation(s)
- Min Song
- Department of Library and Information Science, Yonsei University, Seoul, Korea
- * E-mail:
| | - Keun Young Kang
- Department of Library and Information Science, Yonsei University, Seoul, Korea
| | - Tatsawan Timakum
- Department of Library and Information Science, Yonsei University, Seoul, Korea
- Department of Information Sciences, Chiang Mai Rajabhat University, Chiang Mai, Thailand
| | - Xinyuan Zhang
- School of Information Management, Wuhan University, Hubei, China
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Partelow S, Hornidge AK, Senff P, Stäbler M, Schlüter A. Tropical marine sciences: Knowledge production in a web of path dependencies. PLoS One 2020; 15:e0228613. [PMID: 32027718 PMCID: PMC7004553 DOI: 10.1371/journal.pone.0228613] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2019] [Accepted: 01/20/2020] [Indexed: 11/18/2022] Open
Abstract
Scientific agenda setting is critical at all levels of research, but can be strongly influenced by structural path dependencies of the science system itself. In this article we examine how knowledge production is shaped by interconnected path dependencies using the field of tropical marine sciences as a global case study. We use scientometric analysis methods on an original data set of 1328 peer-reviewed journal publications to examine publication trends including a co-authorship network analysis, links between author origin and research locations as well as a quantitative analysis of terminology use over space (i.e., region) and time. Scientometric findings are analytically discussed through a conceptual framework premised on theories of path dependency. Findings and critical analysis highlight how tropical marine science provides a prominent global example of how North American, European and Australian science programs predominantly shape knowledge production of the global science system, generating critical reflection on the path dependencies these create on current and likely future knowledge production and science agendas. Similar dependencies face other fields of science, and thus this study provides broadly relevant quantitative observational empirical findings supplemented with a critical social science analysis of how a transcultural Science and Technology Studies lens is useful for unpacking the webs of path dependencies driving, inhibiting and/ or shaping global knowledge production, placing meaning and context over observed empirical trends.
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Affiliation(s)
- Stefan Partelow
- Leibniz Centre for Tropical Marine Research (ZMT), Bremen, Germany
| | - Anna-Katharina Hornidge
- Leibniz Centre for Tropical Marine Research (ZMT), Bremen, Germany
- University of Bremen, Bremen, Germany
| | - Paula Senff
- Leibniz Centre for Tropical Marine Research (ZMT), Bremen, Germany
- University of Bremen, Bremen, Germany
| | - Moritz Stäbler
- Leibniz Centre for Tropical Marine Research (ZMT), Bremen, Germany
| | - Achim Schlüter
- Leibniz Centre for Tropical Marine Research (ZMT), Bremen, Germany
- Jacobs University, Bremen, Germany
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Alamri Y, Wilkinson TJ. Career outcomes of students of an intercalated MBChB/PhD: experience from New Zealand. N Z Med J 2020; 133:85-91. [PMID: 31945045] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
BACKGROUND Medium- and long-term outcomes of an intercalated medical/PhD degree are less well-characterised for non-North American programmes than North American ones. We report on the career choices and academic accomplishments of MBChB/PhD students at one university 17 years after the programme's introduction. METHODS A list of all past and current intercalating students at the University of Otago was obtained. Participants were asked for details of their current position, scientific publications and career plans, as well as their opinions on the intercalated programme. RESULTS A total of 25 students (of whom eight were current students) had enrolled in the intercalated programme between 2001 and 2018. Ten students (40%) were women. The rate of enrolment remained relatively steady through the years at 1.4±1.0 students/year. The rate of completion was high at 88.2% (15/17). The congruence between students' PhD research topic and clinical specialty of interest was 52.4%. Most students (72%) published their research findings in local and international journals. CONCLUSIONS The programme is considered worthwhile by our students, most of whom continue (at various capacities) in academic work and produce a significant research output, although potentially in a field that is different to their PhD research.
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Affiliation(s)
- Yassar Alamri
- Department of Medicine, Christchurch Public Hospital, Christchurch
| | - Tim J Wilkinson
- Department of Medicine, Christchurch Public Hospital, Christchurch; Medical Education Unit, University of Otago, Christchurch
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The Lancet Child & Adolescent Health. Gender and geography at The Lancet Child & Adolescent Health. Lancet Child Adolesc Health 2019; 3:835. [PMID: 31701895 DOI: 10.1016/s2352-4642(19)30355-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
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Metcalfe D, Zogg CK, Haut ER, Pawlik TM, Haider AH, Perry DC. Data resource profile: State Inpatient Databases. Int J Epidemiol 2019; 48:1742-1742h. [PMID: 31280297 PMCID: PMC6929527 DOI: 10.1093/ije/dyz117] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/23/2019] [Indexed: 02/06/2023] Open
Affiliation(s)
- David Metcalfe
- Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences (NDORMS), University of Oxford, Oxford, UK
| | | | - Elliott R Haut
- Department of Surgery, The Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Timothy M Pawlik
- Wexner Medical Center, The Ohio State University, Columbus, OH, USA
| | - Adil H Haider
- Center for Surgery and Public Health, Harvard Medical School, Boston, MA, USA
| | - Daniel C Perry
- Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences (NDORMS), University of Oxford, Oxford, UK
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Affiliation(s)
- Sunny Dzik
- Blood Transfusion Service, Massachusetts General Hospital, Boston, MA 02114.
| | - Mike Murphy
- NHSBT Oxford, John Radcliffe Hospital, Oxford, UK
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Imam Z, Cappell MS. Increased average number of medical publications per interviewee from 2009 to 2018: a study of 100 interviewees to an academic gastroenterology fellowship program. BMC Med Educ 2019; 19:402. [PMID: 31684944 PMCID: PMC6829938 DOI: 10.1186/s12909-019-1841-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/08/2019] [Accepted: 10/15/2019] [Indexed: 06/10/2023]
Abstract
BACKGROUND Gastroenterology fellowship candidates may strive to improve their qualifications for this extremely competitive fellowship. OBJECTIVE To analyze whether extreme competitiveness of gastroenterology fellowship positions has affected fellowship interview selection by statistically analyzing 13 parameters of interviewees to identify statistically significant time changes during last 10 years. METHODS Retrospective time-trend-analyses (performed 2018) on thirteen prospectively-obtained-parameters of 47 interviewees (2009-2011) vs. 53 interviewees (2016-2018) for gastroenterology fellowship. SETTING William-Beaumont-Hospital, Royal-Oak: academic fully-accredited gastroenterology fellowship, teaching hospital of Oakland-University-William-Beaumont-School-of-Medicine, tertiary-care hospital, GI fellowship since 1973. RESULTS Statistically significant increases occurred from 2009 to 2011 vs. 2016-2018 in number of publications, including mean number of: abstracts (1.69 ± 0.37 vs. 7.54 ± 1.16, p < 0.0001); peer-reviewed articles (1.48 ± 0.30 vs. 6.13 ± 1.29, p < 0.0001); and total publications (3.17 ± 0.48 vs. 12.76 ± 1.99, p < 0.0001). Increased publications were associated with graduating from foreign medical schools (correlation coefficient = 0.26, p = .03), and were, surprisingly, correlated with lower letters-of-recommendation-scores (Kruskal-Wallis-statistic = 5.82, p = .002). USMLE-Step-1 scores significantly increased from 2009 to 2011 to 2016-2018 (235 ± 14.1 vs. 244.9 ± 13.5, p = 0.001) (previously reported finding). Nine other parameters did not significantly change with time. CONCLUSIONS Current report of >four-fold-increase in publications by gastroenterology fellowship interviewees at one academic-medical-center is novel. Increased focus on scholarship by applicants may be explained by their having only three parameters to improve their credentials during residency: publications, letters-of-recommendation, and honors awarded during residency (other parameters determined before residency and immutable). Current findings may benefit medical residents/medical-residency-program-directors by focusing more on publications for applications. Association between research productivity and medical promotions likely strongly motivates medical research of residents and may motivate academic faculty. Increased exposure to research/publications may improve the clinical acumen of GI fellowship applicants by enhancing their skills in critically reading the medical literature.
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Affiliation(s)
- Zaid Imam
- Department of Internal Medicine, William Beaumont Hospital, Royal Oak, MI, 48073, USA.
| | - Mitchell S Cappell
- Division of Gastroenterology & Hepatology, William Beaumont Hospital at Royal Oak, MOB #602, 3535 W. Thirteen Mile Rd, Royal Oak, MI, 48073, USA.
- Oakland University William Beaumont School of Medicine, Royal Oak, MI, 48073, USA.
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Rouis H, Melki S, Rouis S, Nouira S, Ben Abdelaziz A, Ben Abdelaziz A. Bibliometrics of Tunisian publications on respiratory tract diseases from 2010 to 2014. Tunis Med 2019; 97:1192-1204. [PMID: 32173818] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
AIM To describe the bibliometric characteristics of Tunisian publications on respiratory tract diseases, during the quinquennium 2010-2014. METHODS This is a descriptive bibliometric study of respiratory medicine publications, indexed in "Medline", based on their MSDSs. All included articles were written by Tunisian researchers regardless of their position in the list of co-authors. The topics of the publications were explored through their "major" and "generic" keywords. RESULTS A total of 340 publications was captured in Medline. These articles were co- authored by 218 authors in first position and 163 in last position. They were signed by pulmonologists, in first and last position respectively in 21.5% and 22.4% of articles. The A. Mami Hospital was the major affiliation of the first authors in 19.7% of the publications. These articles were published by 138 journals including "La Tunisie Medicale" in 11.8% of cases. They were "case reports" and written in English respectively in 44.4% and 54.1% of cases. Among 639 major keywords indexing, three were dominant: «Lung Neoplasms» (Tumeurs du poumon), «Chronic Obstructive Pulmonary Disease» (Broncho-pneumopathie chronique obstructive) and «Tuberculosis, Pulmonary» (Tuberculose pulmonaire), in 13.5%, 10.3% and 7.4% of articles respectively. CONCLUSION Tunisian research on respiratory tract diseases has been thematically concordant with the public health needs. However, it has often been of low-level evidence and published in low-impact factor journals.
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Abstract
BACKGROUND Disparities in health outcomes across countries/areas are a central concern in public health and epidemiology. However, few authors have discussed legends that can be complemental to choropleth maps (CMs) and merely linked differences in outcomes to other factors like density in areas. Thus, whether health outcome rates on CMs showing the geographical distribution can be applied to publication citations in bibliometric analyses requires further study. The legends for visualizing the most influential areas in article citation disparities should have sophisticated designs. This paper illustrates the use of cumulative frequency (CF) map legends along with Lorenz curves and Gini coefficients (GC) to characterize the disparity of article citations in areas on CMs, based on the quantile classification method for classes. METHODS By searching the PubMed database (pubmed.com), we used the keyword "Medicine" [journal] and downloaded 7042 articles published from 1945 to 2016. A total number of 41,628 articles were cited in Pubmed Central (PMC). The publication outputs based on the author's x-index were applied to plot CM about research contributions. The approach uses two methods (i.e., quantiles and equal total values for each class) with CF legends, in order to highlight the difference in x-indices across geographical areas on CMs. GC was applied to observe the x-index disparities in areas. Microsoft Excel Visual Basic for Application (VBA) was used for creating the CMs. RESULTS Results showed that the most productive and cited countries in Medicine (Baltimore) were China and the US. The most-cited states and cities were Maryland (the US) and Beijing (China). Taiwan (x-index = 24.38) ranked behind Maryland (25.97), but ahead of Beijing (16.9). China earned lower disparity (0.42) than the US (0.49) and the rest of the world (0.53) when the GCs were applied. CONCLUSION CF legends, particularly using the quantile classification for classes, can be useful to complement CMs. They also contain more information than those in standard CM legends that are commonly used with other classification methods. The steps of creating CM legends are described and introduced. Bibliometric analysts on CM can be replicated in the future.
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Affiliation(s)
- Tsair-Wei Chien
- Medical Research Department, Chi-Mei Medical Center
- Department of Sport Management, College of Leisure and Recreation Management, Chia Nan University of Pharmacy and Science
| | - Hsien-Yi Wang
- Department of Sport Management, College of Leisure and Recreation Management, Chia Nan University of Pharmacy and Science
- Ncphrology Department, Chi-Mei Medical Center
| | - Chen-Fang Hsu
- Department of Partiatrics, Chi-Mei Medical Center, Yong Kang
| | - Shu-Chun Kuo
- Department of Optometry, Chung Hwa University of Medical Technology, Jen-Teh
- Department of Ophthalmology, Chi-Mei Medical Center, Yong Kang, Tainan City, Taiwan
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Sullivan GM. JGME Enters Adolescence: Our First 10 Years. J Grad Med Educ 2019; 11:491-494. [PMID: 31636812 PMCID: PMC6795334 DOI: 10.4300/jgme-d-19-00623.1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
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Abstract
Citation metrics are widely used and misused. We have created a publicly available database of 100,000 top scientists that provides standardized information on citations, h-index, coauthorship-adjusted hm-index, citations to papers in different authorship positions, and a composite indicator. Separate data are shown for career-long and single-year impact. Metrics with and without self-citations and ratio of citations to citing papers are given. Scientists are classified into 22 scientific fields and 176 subfields. Field- and subfield-specific percentiles are also provided for all scientists who have published at least five papers. Career-long data are updated to end of 2017 and to end of 2018 for comparison. Citation metrics are widely used and misused. This Community Page article presents a publicly available database that provides standardized information on multiple citation indicators and a composite thereof, annotating each author according to his/her main scientific field(s).
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Affiliation(s)
- John P. A. Ioannidis
- Departments of Medicine, Health Research and Policy, Biomedical Data Science, and Statistics and Meta-Research Innovation Center at Stanford (METRICS), Stanford University, Stanford, California, United States of America
- * E-mail:
| | - Jeroen Baas
- Research Intelligence, Elsevier B.V., Amsterdam, the Netherlands
| | - Richard Klavans
- SciTech Strategies, Inc., Wayne, Pennsylvania, United States of America
| | - Kevin W. Boyack
- SciTech Strategies, Inc., Albuquerque, New Mexico, United States of America
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Abstract
BACKGROUND Accumulating evidence in the last decade has pointed to the effectiveness of oncolytic virus in the treatment of a variety of cancer types in preclinical or clinical studies, showing high potency and low toxicity compared to conventional treatments. To track this research trend and highlight future directions, we conducted a bibliometric analysis of oncolytic virus research to date. METHODS Relevant studies were obtained from the Web of Science Core Collection between January 2000 and December 2018. Data were collected in terms of the number of publications, country, journal of publication, journal scope, author, and keywords or topics. Analysis and visual representation of the data were performed with CiteSpace V. RESULTS The trend in publications related to oncolytic virus showed a dramatic increase, from 10 publications in 2000 to 199 publications in 2018. The United States clearly dominates this field (981 publications, 52.770%), followed by Canada (244, 13.125%) and China (205, 11.027%). The top 15 academic journals account for over one third of the total publications on oncolytic virus research (724, 38.95%). Most of the related papers were published in journals with a focus on biology, medicine, immunology, medicine, molecular biology, and clinical perspectives, as represented by the dual-map overlay. The most highly cited papers were published in journals in the fields of nursing, molecular biology, general biology, genetics, health, and medicine. Over 1300 institutions have focused their attention on oncolytic virus research to date, and cooperation among mainstream institutions is common. CONCLUSION The global field of oncolytic virus research has expanded at a rapid pace from 2000 to 2018. There is no doubt that North America currently has the most powerful impact on the field with respect to both productivity and contribution. However, European and some East Asian institutions are also prominent in this field. Overall, this bibliometric study identifies the top 4 hotspots in oncolytic virus research: T-cells, vaccinia virus, dendritic cells, and apoptosis. Thus, further research focuses on these topics may be more helpful to promote the clinical translation of this treatment strategy to bring a benefit to cancer patients in the near future.
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Affiliation(s)
- Yidi Zou
- State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics, National Institute of Diagnostics and Vaccine Development in Infectious Diseases, School of Public Health, Xiamen University
| | - Yong Luo
- State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics, National Institute of Diagnostics and Vaccine Development in Infectious Diseases, School of Public Health, Xiamen University
| | - Jun Zhang
- State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics, National Institute of Diagnostics and Vaccine Development in Infectious Diseases, School of Public Health, Xiamen University
| | - Ningshao Xia
- State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics, National Institute of Diagnostics and Vaccine Development in Infectious Diseases, School of Public Health, Xiamen University
| | - Guowei Tan
- Department of Neurosurgery, First Affiliated Hospital of Xiamen University, Xiamen, China
| | - Chenghao Huang
- State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics, National Institute of Diagnostics and Vaccine Development in Infectious Diseases, School of Public Health, Xiamen University
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Al-Busaidi IS. Characteristics, Trends, and Factors Associated With Publication Among Residents of Oman Medical Specialty Board Programs. J Grad Med Educ 2019; 11:104-109. [PMID: 31428266 PMCID: PMC6697295 DOI: 10.4300/jgme-d-19-00259] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/15/2019] [Revised: 05/23/2019] [Accepted: 06/03/2019] [Indexed: 11/06/2022] Open
Abstract
BACKGROUND Research during residency is associated with better clinical performance, improved critical thinking, and increased interest in an academic career. OBJECTIVE We examined the rate, characteristics, and factors associated with research publications by residents in Oman Medical Specialty Board (OMSB) programs. METHODS We included residents enrolled in 18 OMSB residency programs between 2011 and 2016. Resident characteristics were obtained from the OMSB Training Affairs Department. In April 2018, MEDLINE and Google Scholar databases were searched independently by 2 authors for resident publications in peer-reviewed journals using standardized criteria. RESULTS Over the study period, 552 residents trained in OMSB programs; 64% (351 of 552) were female, and the mean age at matriculation was 29.4 ± 2.2 years. Most residents (71%, 393 of 552) were in the early stages of specialty training (R ≤ 3) and 49% (268 of 552) completed a designated research block as part of their training. Between 2011 and 2016, 43 residents published 42 research articles (range, 1-5 resident authors per article), for an overall publication rate of 8%. Residents were the first authors in 20 (48%) publications. Male residents (odds ratio [OR] = 2.07; P = .025, 95% CI 1.1-3.91) and residents who completed a research block (OR = 2.57; P = .017, 95% CI 1.19-5.57) were significantly more likely to publish. CONCLUSIONS Research training during residency can result in tangible research output. Future studies should explore barriers to publication for resident research and identify interventions to promote formal scholarly activity during residency.
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van Heteren JAA, van Beurden I, Peters JPM, Smit AL, Stegeman I. Trial registration, publication rate and characteristics in the research field of otology: A cross-sectional study. PLoS One 2019; 14:e0219458. [PMID: 31291350 PMCID: PMC6619790 DOI: 10.1371/journal.pone.0219458] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2019] [Accepted: 06/24/2019] [Indexed: 11/18/2022] Open
Abstract
OBJECTIVES To examine 1) the publication rate of registered otology trials in ClinicalTrials.gov, 2) the public availability of the results, 3) the study characteristics associated with publication, and 4) the time to publication after trial completion. BACKGROUND Publication bias, the publication or non-publication of research findings, depending on the nature and direction of results, is accountable for wrong treatment decisions. The extent of publication bias in otology trials has not been evaluated. METHODS All registered otology trials were extracted from ClinicalTrials.gov with completion date up to December 2015. A search strategy was used to identify corresponding publications up to June 2017, providing at least 18 months to publish the results after trial completion. Characteristics were obtained from ClinicalTrials.gov and corresponding publications. Regression models were used to examine study characteristics associated with publication or non-publication. RESULTS From the 419 trials identified on ClinicalTrials.gov, 225 (53.7%) corresponding publications were found in PubMed. Among these, 109 (48.4%) publications were cited on ClinicalTrials.gov and 124 (55.1%) articles reported the National Clinical Trial registry number. For 36 (8.6%) trials, results were only reported in ClinicalTrials.gov. Trials with a biological intervention were more likely to be published than studies involving drugs (odds ratio (OR) 10.41, 95% confidence interval (CI) 1.26-86.22, P = 0.030). Trials funded by industry were less likely to be published (OR 0.46, CI 0.25-0.84, P = 0.011). The median trial duration was 20 months (interquartile range (IQR) 26 months), and median time from trial completion to publication was 24 months (IQR 22 months). CONCLUSION In 37.7% of the registered otology trials the results remained unpublished, even several years after trial completion. With little citations on ClinicalTrials.gov and low reporting of the Clinical Trial registry number, the accessibility is limited. Our findings show that there is room for improvement in accuracy of trial registration and publication of results, in order to diminish publication bias in otology studies.
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Affiliation(s)
- Jan A. A. van Heteren
- Department of Otorhinolaryngology and Head & Neck Surgery, University Medical Center Utrecht, Utrecht, The Netherlands
- Department of Clinical and Experimental Neuroscience, University Medical Center Utrecht Brain Center, Utrecht University, Utrecht, The Netherlands
| | - Isabeau van Beurden
- Department of Otorhinolaryngology and Head & Neck Surgery, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Jeroen P. M. Peters
- Department of Otorhinolaryngology and Head & Neck Surgery, University Medical Center Utrecht, Utrecht, The Netherlands
- Department of Clinical and Experimental Neuroscience, University Medical Center Utrecht Brain Center, Utrecht University, Utrecht, The Netherlands
| | - Adriana L. Smit
- Department of Otorhinolaryngology and Head & Neck Surgery, University Medical Center Utrecht, Utrecht, The Netherlands
- Department of Clinical and Experimental Neuroscience, University Medical Center Utrecht Brain Center, Utrecht University, Utrecht, The Netherlands
| | - Inge Stegeman
- Department of Otorhinolaryngology and Head & Neck Surgery, University Medical Center Utrecht, Utrecht, The Netherlands
- Department of Clinical and Experimental Neuroscience, University Medical Center Utrecht Brain Center, Utrecht University, Utrecht, The Netherlands
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49
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Churchill AW, Malacova E, Journeaux SF, Richardson M, Crawford R, Vickers ML. A decade of Australian and New Zealand orthopaedic publications: a bibliometric trend analysis from 2008 to 2018. Int Orthop 2019; 43:2217-2226. [PMID: 31243521 DOI: 10.1007/s00264-019-04359-1] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/17/2019] [Accepted: 06/10/2019] [Indexed: 12/31/2022]
Abstract
PURPOSE We aimed to apply bibliometric tools to Australian and New Zealand orthopaedic publications produced between 2008 and 2018 to identify the most highly cited publications, author and institution collaboration networks and topic trends. Analysis of the literature can highlight areas of emerging interest and knowledge gaps, and direct future research. METHODS A systematic search was conducted using Clarivate Analytics Web of Science. Citation analysis was carried out using Web of Science. Collaboration networks were constructed using chord diagrams. Trends in publication topics were analysed using simple linear regression to find the rate of change of publication volume on each topic. RESULTS A total of 3097 publications contributed to by 8855 individual authors met inclusion criteria. Across the study period, there was a large increase in the annual volume of publications on the topic of ACL (Anterior Cruciate Ligament) surgery. We also found that collaboration between Australian and New Zealand authors was very low with only 1% (n = 31) of publications including authors from both countries and 0.4% (n = 12) including orthopaedic surgeons or trainees from both. CONCLUSIONS Publications on ACL surgery have increased over the past decade, likely due to the presence of competing surgical approaches and the recently recognized risk of osteoarthritis following ACL reconstruction. The overall collaboration between Australian and New Zealand authors was very low which lends itself to opportunities for future research.
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Affiliation(s)
| | - Eva Malacova
- QIMR Berghofer Medical Research Institute, Brisbane, Queensland, Australia
| | - Simon F Journeaux
- Faculty of Medicine, The University of Queensland, Brisbane, Queensland, Australia
- Department of Orthopaedics, Mater Health Services, Brisbane, Queensland, Australia
| | - Martin Richardson
- Department of Surgery, Epworth Clinical School, The University of Melbourne, Melbourne, Victoria, Australia
| | - Ross Crawford
- Biomedical Engineering and Clinical Sciences, Queensland University of Technology, Brisbane, Queensland, Australia
- Orthopaedic Department, The Prince Charles Hospital, Brisbane, Queensland, Australia
| | - Mark L Vickers
- Faculty of Medicine, The University of Queensland, Brisbane, Queensland, Australia.
- Biomedical Engineering and Clinical Sciences, Queensland University of Technology, Brisbane, Queensland, Australia.
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50
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Haven TL, Bouter LM, Smulders YM, Tijdink JK. Perceived publication pressure in Amsterdam: Survey of all disciplinary fields and academic ranks. PLoS One 2019; 14:e0217931. [PMID: 31216293 PMCID: PMC6583945 DOI: 10.1371/journal.pone.0217931] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2019] [Accepted: 05/21/2019] [Indexed: 11/19/2022] Open
Abstract
Publications determine to a large extent the possibility to stay in academia ("publish or perish"). While some pressure to publish may incentivise high quality research, too much publication pressure is likely to have detrimental effects on both the scientific enterprise and on individual researchers. Our research question was: What is the level of perceived publication pressure in the four academic institutions in Amsterdam and does the pressure to publish differ between academic ranks and disciplinary fields? Investigating researchers in Amsterdam with the revised Publication Pressure Questionnaire, we find that a negative attitude towards the current publication climate is present across academic ranks and disciplinary fields. Postdocs and assistant professors (M = 3.42) perceive the greatest publication stress and PhD-students (M = 2.44) perceive a significant lack of resources to relieve publication stress. Results indicate the need for a healthier publication climate where the quality and integrity of research is rewarded.
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Affiliation(s)
- Tamarinde L. Haven
- Department of Philosophy, Vrije Universiteit, Amsterdam, North Holland, The Netherlands
| | - Lex M. Bouter
- Department of Philosophy, Vrije Universiteit, Amsterdam, North Holland, The Netherlands
- Department of Epidemiology and Biostatistics, Amsterdam UMC, location VUmc, Amsterdam, North Holland, The Netherlands
| | - Yvo M. Smulders
- Department of Internal Medicine, Amsterdam UMC, location VUmc, Amsterdam, North Holland, The Netherlands
| | - Joeri K. Tijdink
- Department of Philosophy, Vrije Universiteit, Amsterdam, North Holland, The Netherlands
- Department of Medical Humanities, Amsterdam UMC, location VUmc, Amsterdam, North Holland, The Netherlands
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