文献计量视角下的长新冠研究现状、热点与趋势

Research status,hotspots and trends of long COVID based on bibliometric analysis

目的采用文献计量分析对长新冠研究相关文献进行分析,了解该领域的研究现状、热点与趋势。方法基于Web of Science核心合集数据进行文献计量分析,并借助VOSviewer软件将结果可视化,从发文趋势、期刊分布、高被引论文分析、国际科研合作网络以及关键词聚类等角度进行深入分析。结果长新冠话题引发了全球学术界的高度关注,共检索到7877篇文献,总被引频次103389,篇均被引频次13.13。其中美国发文量最多(1780篇,22.59%),中国发文量排第5位(686篇,8.71%)。国际科研合作网络分析结果显示长新冠领域研究形成了以美国、英国、意大利、印度和中国等为主体的国家间的紧密合作;关键词主题聚类提示长新冠领域当前主要研究热点为:临床表现、流行病学特征、危险因素、产生机制、治疗与康复措施及其对公众社会生活的影响等。结论本文分析了长新冠领域的研究现状、热点,并探究了趋势,为该领域相关研究和卫生管理部门提供了借鉴和参考。

Objective By analyzing relevant literature of long COVID,we aimed to understand the current research status,hotspots and trends in this field.Methods Based on Web of Science core collection data,bibliometric analysis was used as the main research method.The results were visualized with VOSviewer.A comprehensive analysis was performed from various perspectives including trends in publication,journal distribution,highly cited papers,international research collaboration networks,and clusters of keywords,etc.Results The field of long COVID has garnered significant global academic attention.A total of 7877 related articles were retrievable,with a total citation count of 103389 and an average citation count of 13.13 per article.Among them,the United States published the most articles(1780 articles,22.59%),while China ranked fifth in publication volume(686 articles,8.71%).The international scientific cooperation network reflected the close collaborative relationships between countries in long COVID research,predominantly involving the United States,the United Kingdom,Italy,India,and China.Keywords clustering indicated that the current main research focuses in the long COVID field include:clinical manifestations,epidemiological characteristics,risk factors,and mechanisms of occurrence,treatment and rehabilitation measures of long COVID,and its impact on public and social life.Conclusion This article reveals the current state,research hotspots and trends in the long COVID field,providing valuable references for related research institutions,scholars as well as health administrative office.