ABSTRACT
ABSTRACT Introduction Pulmonary neuroendocrine tumors account for approximately 20% of all primary lung tumors. Few studies summarize the current body of pulmonary neuroendocrine tumors studies worldwide. Objective A quantitative scientometric analysis was conducted to evaluate the development of applications and innovations and to analyze their contribution to various areas of improvement in treatment and diagnosis of pulmonary neuroendocrine tumors. Methods We searched for studies published in the last 20 years in the databases United States National Library of Medicine (PubMed), Scientific Electronic Library Online (SciELO), Scopus, and Web of Science, using the terms 'pulmonary neuroendocrine tumors', 'bronchial neuroendocrine tumors', 'bronchial carcinoid tumors', 'pulmonary carcinoid', 'typical pulmonary carcinoid', 'atypical pulmonary carcinoid', 'pulmonary carcinoid and diagnosis', 'pulmonary carcinoid and treatment', 'pulmonary carcinoid and epidemiology' and 'pulmonary carcinoid and prognosis'. Results Our results showed the number of publications increased significantly over the study period and was strongly associated with the economic or financial situation of the publications' countries of origin. We observed a predominance of studies on histological diagnosis compared to treatment, and among the studies related to treatment, a predominance of retrospective studies relative to prospective studies was found. Conclusion Based on the published literature, we concluded research on pulmonary neuroendocrine tumors still seems to be incipient, because it favors studies related to histological characterization of the disease, and therapeutic studies are still predominantly of a retrospective nature.
ABSTRACT
Desde hace siglos el acopio de información en el mundo ha sido prioritario. En investigación científica, esto es fundamental. Con el aparecimiento de Internet y las redes sociales, la tarea de reunir en un portal y poner a disposición de los investigadores, universidades, autoridades académicas, centros especializados, etc., los conocimientos generados en cualquier área del planeta, se ha facilitado; aunque mucha información aún se encuentra "encriptada", es decir, los buscadores específicos no la logran encontrar. En este artículo abordamos la producción científica, la inversión en ciencia y tecnología y los buscadores de publicaciones e investigadores.
The search and storage of information havebeen crucial in the world throughout history.These processes are fundamental in scienceresearch. With the widespread use of internetand social media, the task of gathering informationin websites of free access, has made it easyfor researchers, universities, specialized centers,academic authorities, etc., to analyzeknowledge generated in any place of the world.Much information is still unavailable (encrypted)to scientific production browsers. In this paperwe describe the scientific production, investmentin science and technology and browsers ofresearch publications and researchers.
Subject(s)
Humans , Scientific Research and Technological Development , Research/education , UniversitiesABSTRACT
INTRODUÇÃO: Há um crescente interesse e necessidade em avaliar a qualidade da produção científica dos pesquisadores. Para tal, as métricas mais importantes são: número de citações, número médio de citações por artigo indexado e o índice-H. Contudo, essas métricas apresentam limitações na avaliação do potencial de impacto das publicações de um pesquisador, especialmente dentre aqueles mais produtivos. OBJETIVO: Propor e demonstrar a utilização de uma nova métrica científica - índice-H dos artigos citantes, que permite refinar a discriminação do impacto das publicações de pesquisadores experientes sobre o conhecimento existente em sua área. MÉTODOS: Foram analisados dados da Web of Science de 13 dentre os pesquisadores doutores brasileiros mais produtivos na área de exercício físico e esporte, incluindo: número de artigos publicados, número de citações, número médio de citações por artigos, índice-H e o índice-H dos artigos citantes, ou seja, o índice-H obtido a partir da ordenação decrescente dos artigos que citaram artigos publicados pelo pesquisador. Dados de quatro outros pesquisadores - brasileiros e estrangeiros - foram usados como marcos de referência para comparações. RESULTADOS: Os índice-H do pesquisador e o dos artigos citantes são associados (r = 0,92; p > 0,01), porém, quando são analisados os seis pesquisadores mais produtivos, com índices-H acima de 7, a associação entre os dois índices-H desaparece (r = 0,35; p = 0,49). CONCLUSÃO: O índice-H dos artigos citantes pode contribuir para diferenciar a produção científica de pesquisadores com um grande número de artigos publicados. Sugere-se a adoção de sua mensuração pelas agências brasileiras e estrangeiras de fomento e de avaliação da produção científica.
BACKGROUND: there has been an increasing interest and need in evaluating the quality of scientific papers written by researchers. Therefore, the most important measurements used are the number of citations, the average number of citations per article published in indexed journals and the H-index. Those bibliometric indicators present, however, limitations when assessing the potential impact of the publications of a given researcher, particularly among the most productive ones. OBJECTIVE: To propose and to demonstrate the use of a new scienciometric strategy - the H-index of the citing articles-, that allow to better discriminate the impact of a given researcher to the body of knowledge in the respective research area. METHODS: Research data - Web of Science - from 13 of the most productive Brazilian PhD researchers in the field of exercise and sport sciences were analyzed, including: number of publications, number of citations, average number of citations per article, H-index and the proposed H-index of citing articles (the H-index extracted from the ranking of articles that cited the papers published by a given researcher). Data from four other researchers - Brazilian and foreign - were used as reference for comparisons. RESULTS: The researcher's H-index and the H-index of the citing articles were associated (r=.92; p>.01). However, when the six most productive authors were analyzed with H-index above 7, the association between the two indexes disappears (r=.35; p=.49). CONCLUSIONS: The H-index of the citing articles can be useful to discriminate the scientific production of authors with a high number of published papers. It is suggested that this algorithm should be adopted by Brazilian and foreign financing and scientific production evaluation agencies.