Vaccination is considered the most effective way to reduce the impact of coronavirus disease 2019 (COVID-19). Several new vaccines have been manufactured. This study aimed to assess the current status and prospects of COVID-19 vaccine research using a bibliometric analysis. We analyzed 3,954 scientific articles on COVID-19 vaccines in the Web of Science Core Collection (WoSCC). CiteSpace and VOSviewer were used for bibliometric visualization. Original articles and reviews were used for the analysis. A total of 2,783 (70.38%) studies were published in 2021. The USA contributed the highest, publishing 1,390 articles with 41,788 citations, followed by China and the UK. The USA’s primary collaborators were the UK (n = 133), China (n = 87), and Canada (n = 65). The most active institutions were the University of Oxford and Harvard Medical School, while Emory University was the most influential. The Vaccines journal had the most number of publications (402). The most cited journal was the New England Journal of Medicine. In 2021, the focus was on RNA vaccines, attitudes toward vaccination, and hesitancy. In contrast, studies in 2022 focused on vaccine double-blind trials, viral mutations, and antibodies. In the context of rapid virus transmission, vaccine studies on immunogenicity, spike proteins, efficacy, safety, and antibody response have been prioritized. Additional phased clinical trials are needed to determine the effectiveness, acceptance, and side effects of vaccines against mutated strains of the virus.
BackgroundBecause the number of published literatures with a focus on Barrett's esophagus (BE) that researchers must be familiar with has quickly increased in recent years, the significance of selective searching and summarization of bibliometrics is also increasing. It is, thus, very important to find a method that can quickly and effectively search the most influential medical science articles. Therefore, the objective of this study was to use bibliometric analysis to assess and characterize the most influential articles involving BE research.MethodsPublications on BE research were retrieved from the Web of Science Core Collection using the term “Barrett's esophagus.” Microsoft Excel 2016 and VOSviewer were used to further analyzed each article's citation number, title, journal, country, organization, category, and authorship.ResultsOn 14 June 2020, 5,389 records of BE research published until 2020 were retrieved. The citation number of the top 100 most-cited articles ranged from 208 to 824. Gastroenterology published 29 articles, which accounted for the largest number of top 100 articles (29%); however, among the top 500 most-cited articles, the American Journal of Gastroenterology published the largest number. Of the top-cited articles, the USA was by far the leading country in BE research and contributed most of the articles (n = 72). Among the academic institutions that produced the top 100 most-cited articles, the University of Washington (n = 12) was dominant. Sharma Prateek (n = 6) authored the largest number of most-cited articles. The USA contributed the most articles per year, and the time trend of the number of top 500 articles increased by 38-fold between 1987 and 2000. “Adenocarcinoma,” “high-grade dysplasia,” “cancer,” “diagnosis,” and “dysplasia” were the most influential keywords.ConclusionsThis study not only presents a historical perspective but also facilitated the recognition of the significant advances in this area by researchers. Furthermore, the current study serves as a guide in decision clinical practice decision-making and provides a valuable reference for further research.
Objective. To identify and evaluate characteristics of the most influential articles in achalasia research during the period 1995-2020. Methods. Articles in Scopus, Web of Science Core Collection (WoSCC), and PubMed were scanned from 1995 to 2020 with achalasia as the keyword. We retrieved the articles that met all criteria by descending order after using EndNote to remove the duplicated references. Our bibliometric analysis highlighted publication year, country, journals, and networks of keywords. Results. Fifteen percent of the top 100 most-cited articles were published in Annals of Surgery. They were performed in 15 countries, and most ( n = 55 ) were from the USA. The number of citations of the 482 articles ranged from 30 to 953, 38 of which had been published in American Journal of Gastroenterology. Those articles were from 31 countries, and most of the studies ( n = 217 ) had been performed in the USA. Most of articles ( n = 335 ) were clinical research. Treatments were hotspots in the field of achalasia in the past years. The most influential title words were “achalasia,” “esophagomyotomy,” “pneumatic dilation,” and “lower esophageal sphincter.” Conclusion. Our study offers a historical perspective on the progress of achalasia research and identified the most significant evolution in this field. Results showed treatment was the most influence aspect in achalasia.
BACKGROUND Liver cirrhosis is the leading cause of liver-related mortality worldwide. It is currently a global health challenge. AIM This research intended to explore and analyse research trends and frontiers in this field during the last 10 years, providing new inspiration for clinical decision-making and scientific research. METHODS Publications on hepatic cirrhosis research were retrieved from the Web of Science Core Collection on April 4, 2021. Bibliometric visualisation was conducted through VOSviewer and CiteSpace. RESULTS The analytic research was based on original articles and reviews. A total of 7775 records of hepatic cirrhosis published from 2011 to 2020 were retrieved. In the past ten years, the number of related annual publications has increased significantly, especially in the United States and China. All publications were distributed among 109 countries. The United States contributed the most (21.95%) and was consistently the leading driving force, with a solid academic reputation in this area. The University of Barcelona distributed the most related articles (177 articles) and was cited the most frequently. The Journal of Hepatology ranked third in the top 10 journals, which has the highest impact factor (impact factor 2019 = 20.582). Jasmohan S. Bajaj was the most productive author (72 articles). Burst keywords ( e.g. , sofosbuvir, burden, care, sarcopenia, chronic liver failure, human gut microbiome, and nonalcoholic fatty liver disease) and a succession of reference citation bursts have provided clues about research frontiers in recent years. CONCLUSION This study identified developing trends in the evolution of liver cirrhosis to provide new inspiration for researchers.
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