Current Status and Future Trends in Myocarditis Related to the COVID-19 Vaccines: A Visual and Bibliometric Analysis

Aims This study aims to conduct a bibliometric and visual analysis of published studies on myocarditis and coronavirus disease 2019 (COVID-19) vaccines.Background The widespread epidemic of COVID-19 has caused millions of deaths and profoundly affected the global medical landscape. Studies on COVID-19 vaccination and related myocarditis have also increased significantly.Objective To analyze the current status and trends of myocarditis and COVID-19 vaccine research by bibliometric and to elucidate research hotspots and frontiers.Methods Based on the Web of Science Core Collection SCI-Expanded database, we utilize Excel 2019 and visualization analysis tools VOSviewer, Co-Occurrence13.2 (COOC13.2), Citespace, HistCite, and Scimago Graphica for analysis.Results Our study encompassed a total of 389 relevant articles, and we observed a consistent upward trend in the number of publications over time, indicating the growing interest in this subject. Among the countries and regions contributing to this body of literature, the United States emerged as the leading publisher, with Harvard Medical School being the most prominent institution associated with these studies. Notably, Matthew E. Oster from the United States emerged as one of the prominent authors in this field. Hotspot research and frontier areas include myocarditis and the different types of COVID-19 vaccines (e.g., mRNA vaccines, adenovirus vector vaccines, inactivated vaccines), the development of new vaccines in reducing the incidence and sequelae of COVID-19 without an increased incidence of myocarditis, and relief of vaccine hesitancy.Conclusion Research on myocarditis and the COVID-19 vaccines has grown rapidly. Our research results can help researchers grasp the current status of myocarditis related to the COVID-19 vaccine research and find new research directions in the future.