基于556篇中文文献的我国心脑血管疾病与空气污染相关研究的可视化分析

Visualized analysis of Chinese researches on cardiovascular diseases and air pollution based on 556 Chinese papers

目的了解我国心脑血管疾病(cardiovascular diseases,CVD)与空气污染的相关研究状况、关注热点、发展趋势与前沿,为我国研究发展提供参考。方法检索中国知识资源总库(CNKI)、中文科技期刊数据库(VIP)、中国学术期刊数据库(万方)中的相关研究文献。对检索结果进行去重、无关文献剔除、缺失信息(发表时间、作者、关键词、机构等)详细补充、同一机构和同义词的识别替换等处理。统计发文量分布并绘制知识图谱。结果使用有效中文文献556篇,发文数量整体呈波动上升趋势,近10年增幅扩大明显。主要作者团队和机构内的合作较为密切,但之间合作较为缺乏。研究呈现出污染物、疾病、其他结局或指标、研究方法、动物模型、机制等研究热点。发展趋势与前沿方面,PM2.5的研究热度可能持续,而近年突现明显的臭氧、气温、健康风险等方面也可能是未来相关研究的部分热点。随着时间发展,相关研究内容逐渐具体化、细化和全面化。结论基于本研究文献,我国CVD与空气污染相关研究可能正处于并将继续处于快速发展的初期阶段,将持续受到关注。建议进一步加强跨区域、跨机构、跨团队的多元研究合作,持续关注该领域的热点和发展趋势变化,推动我国CVD与空气污染相关研究的进一步发展。

Objective To understand the research status,hot spots and development in the relationship between cardiovascular disease(CVD)and air pollution in China,and provide the references for the related researches in the future.Methods The relevant Chinese papers published in CNKI,Wanfang,and VIP databases were searched.After the related treatments such as elimination of duplication and irrelevant paper,supplementation of detailed missing information(publication time,author,keywords and institution,etc.),same institution,synonym recognition and substitution,and then the distribution of published papers and visualization analysis were conducted.Results 556 valid papers included,the volume showed a fluctuating upward trend,and the growth in the past ten years had expanded significantly.There was close cooperation within individual authors’team or institution,while the prolific authors and institutions distributed relatively fragmented and had less-cooperative relations.There were research hot spots in terms of pollutants,diseases,other outcomes or indexes,analyzing method,animal model,mechanism,etc.As for trends and frontiers,the intense focus of PM2.5 was likely to continue,while O3,temperature,health risks,were also likely to be included in the future directions and hot spots.Relevant research content has gradually become more concrete,detailed and comprehensive.Conclusion Based on the papers included in this study,researches on CVD and air pollution published in China are continue to be in the preliminary and rapidly developing stage,receiving constant attention.It is recommended to further strengthen diversified scientific research cooperation across institutions,author teams,regions and fields,pay continuous attention to the hot spots as well as development trends in this field,and promote further researches of CVD and air pollution.