新冠肺炎膳食营养研究热点知识图谱可视化分析  

Visualization analysis of research hotspots on dietary nutrition of COVID-19 based on knowledge graph

作　　者：宁华英[1] 陈奕如 宁华秀[3] 李艳玲[4] 齐玉梅[5] NING Hua-ying;CHEN Yi-ru;NING Hua-xiu;LI Yan-ing;QI Yu-mei(Department of Nutrition,Tianjin Haihe Hospital,Tianjin 300350,China;Department of Clinical Medicine,Naval Medical University,Shanghai 200433,China;Department of Spine Surgery,Affiliated Hospital of Binzhou Medical University,Binzhou 256603,Shandong,China;Department of Nutrition,The First Affiliated Hospital of Tianjin University of Traditional Chinese Medicine,Tianjin 300381,China;Department of Nutrition,Tianjin Third central hospital,Tianjin 300170,China)

机构地区：[1]天津市海河医院营养科,天津300350 [2]海军军医大学临床医学系,上海200433 [3]滨州医学院附属医院脊柱外科,山东滨州256603 [4]天津中医药大学第一附属医院营养科,天津300381 [5]天津市第三中心医院营养科,天津300170

出　　处：《肠外与肠内营养》2023年第4期202-211,共10页Parenteral & Enteral Nutrition

基　　金：天津市医学重点学科(专科)建设项目(TJYXZDXK-063B)。

摘　　要：目的:探讨新型冠状病毒肺炎(COVID-19)膳食营养领域研究热点及发展变化。方法:检索2019年12月1日至2022年10月5日科学网(WebofScience)核心集数据库发表的新冠肺炎膳食营养领域(COVID-19-DN)相关文献。采用CiteSpace、VOSviewer软件对隶属国家、研究机构、重要期刊、作者耦合、高频关键词等文献内容进行可视化分析。结果:共纳入4 665篇英文文献。文献计量显示,COVID-19-DN领域相关文献从2020年开始几何式上升,2021年达高峰。国家分布显示,Top3发文量国家分别是美国(929篇)、意大利(481篇)、英国(446篇)。Top3中介中心性地区为南非(0.17)、苏格兰(0.16)、瑞士(0.14)。研究机构分析显示,发文量及中介中心性均位居Top10以上的研究机构计4个,分别是牛津大学(Univ Oxford,42篇)、哈佛医学院(Harvard Med Sch,40篇)、卡塔尔大学(Qatar Univ,33篇)及约翰霍普金斯大学(Johns Hopkins Univ,33篇)。其中北京大学(15篇)是唯一位居Top20中介中心性的中国研究机构。期刊共被引分析显示,发文量及高被引论文刊出Top2期刊是INT J ENV RES PUB HE(344/18),NUTRIENTS(261/29),位居第三者,前者是PLOS ONE(74/4),后者是APPETIE(53/14)。主题词聚类涵盖食品安全、体力活动、营养干预和生活方式四大方面。作者耦合分析显示,Top3作者分别为意大利作者el bilali,hamid(12篇),英国作者smith,lee及中国香港作者jia,peng (各10篇)。高被引论文分析显示,Top15论文主要来自意大利、英国、美国、西班牙等国家。研究内容涉及不同人群的膳食摄入及行为生活方式变化。尤其关注肥胖青少年、老年共病人群及ICU重症病人等新冠易感、高风险群体的营养状态。高频热点关键词包括体力活动、营养、精神健康、肥胖等主要类别。结论:知识图谱可视化分析能够客观反映COVID-19-DN领域研究热点及发展趋势。目前国内外研究者对该领域的研究范式逐渐转向关注�Objective:To explore the research hotspots and development changes in the field of dietary nutrition of coronavirus disease 2019(COVID-19).Methods:Retrieve the related literature in the field of dietary nutrition of COVID-19(COVID-19-DN) published in the Web of Science core collection from December 1th,2019 to September 5th,2022.CiteSpace and VOSviewer software was used to visually analyze the content of literature belonging to countries,institutions,important journals,author coupling and high-frequency keywords.Results:A total of 4665 English literatures were included.In terms of literature volume,the literature related to COVID-19-DN had risen geometrically since 2020 and peaked in 2021.Regarding countries,the top 3 countries with the largest number of articles were the United States(n = 929),Italy(n = 481) and the United Kingdom(n = 446) respectively.Top 3 betweeness centrality regions were South Africa(0.17),Scotland(0.16) and Switzerland(0.14).Concerning institutions,there were 4institutions with the number of papers and the Betweeness Centrality ranking above the top 10,including Oxford University(n = 42),Harvard Med Sch(n = 40),Qatar Univ(n = 33) and Johns Hopkins Univ(n = 33).Peking University(n = 15) was the only Chinese institution ranked among Top 20 Betweeness Centrality.In terms of journal co-citation,the top 2 journals with publications and highly cited papers were "International Journal of Environmental Research and Public Health"(344/18) and "Nutrients"(261/29).The third place,the former was PLOS ONE(74/4) and the latter was APPETIE(53/14).The topic headings cover four major areas:food safety,physical activity,nutritional interventions and lifestyle.In terms of author-coupling,the top 3 authors are Italian author el bilali,hamid(n = 12),British author Smith,Lee and China's Hong Kong author Jia,Peng(n = 10 each).In terms of highly cited papers,the top 15 papers were mainly from Italy,UK,USA,Spain and other countries.The study covered dietary intake and behavioral lifestyle changes in different popu

关 键 词：新型冠状病毒肺炎 膳食营养 研究热点 知识图谱 可视化分析 

分 类 号：R459.3[医药卫生—治疗学]