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BACKGROUND: Healthcare workers are under significant constant stress as a result of the coronavirus disease 2019 (COVID-19) pandemic. The aim of this study, therefore, was to analyze bibliometrically the impact, trend, and characteristics of scientific production related to the mental health of health professionals during the COVID-19 pandemic. MATERIALS AND METHODS: A bibliometric analysis of the scientific production on the mental health of health professionals and COVID-19 in Scopus from December 2019 to December 2021 was performed. An advanced search was designed using Boolean operators in Scopus and applied in April 2022. The metadata was entered into Microsoft Excel for the elaboration of the tables, SciVal to obtain the bibliometric indicators, and VosViewer to plot collaborative networks. RESULTS: A total of 1393 manuscripts, 1007 of which met the eligibility criteria, were found on the mental health of health workers and COVID-19.The country with the highest academic production was the United States and Harvard University with 27 manuscripts as the most productive institution. The scientific journal with the highest scientific production was the International Journal of Environmental Research and Public Health with 138 manuscripts and 1580 citations, and the author with the most citations per publication was Carnnasi Claudia with 69.8. CONCLUSION: The countries with the highest economic income occupy the first places in scientific production on the mental health of health workers during the COVID-19 pandemic, with the United States as the leader. There is a gap in the scientific knowledge on the mental health of healthcare workers during the COVID-19 pandemic in middle- and low-income countries. [ABSTRACT FROM AUTHOR]

INTRODUCTION: Blastic plasmacytoid dendritic cell neoplasm (BPDCN) is a rare hematological disease. There is an incidence. We aimed to evaluate the scientometrics characteristics of the scientific production on BPDCN between 2011 and 2020. METHODOLOGY: A cross-sectional and retrospective bibliometric study was performed. The search was executed in the Scopus database. Data were extracted based on a formula developed using thesaurus MeSH (Medline) and Emtree (Embase) terms. The retrieved papers received 11.2 citations per paper. Four of the ten most productive authors were from the United States. The institution with the highest impact (1064 citations) and the highest scientific output (46 papers) was the University of Texas MD Anderson Cancer Center (United States). RESULTS: The journal "Movement Disorders" rated first with 18 articles and 643 citations in terms of productivity and impact, and articles published in Q1 journals surpassed the remaining quartiles. The most cited articles had national collaboration. Conclusion the number of papers on BPDCN has been rising, yet journals with a higher quality tend to keep the similar publication rates, although they have shown a slight increase in the recent years. CONCLUSIONS: High-income countries' international collaboration is crucial for increasing publications impact; hence, greater collaborations between researchers and institutions from countries around the world are needed to expand knowledge on this subject. [ABSTRACT FROM AUTHOR]