Bibliometric study of clinical nutrition based on topic classification,keyword co-occurrence and burst detection analysis exemplified with literature published in ESPEN and ASPEN journals in the past 10 years
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目的 对比分析欧洲临床营养与代谢学会(European Society for Clinical Nutrition and Metabolism,ESPEN)会刊(Clinical Nutrition)及美国肠外与肠内营养学会(American Society for Parenteral and Enteral Nutrition,APSEN)会刊(Journal of Parenteral and Enteral Nutrition),近 10 年的研究特点,以了解欧美临床营养学的主要研究内容、研究热点和发展趋势.方法 通过主题分类方法,分析ESPEN会刊与APSEN会刊近10年论文、中国区发表论文和高被引论文的研究主题分布;利用关键词共现分析方法绘制ESPEN会刊与APSEN会刊近10年的关键词共现聚类知识图谱,客观展示欧美临床营养学研究内容及高频关键词;利用关键词突现分析方法识别近10年来欧美临床营养学的突现关键词,揭示欧美临床营养学研究热点的动态变化.结果 ESPEN会刊论文主要聚焦于糖脂代谢相关疾病,占比34％,主要研究方向包括肥胖、胰岛素抵抗、代谢综合征等;APSEN会刊的论文主要聚焦于肠外与肠内营养,占比56％.这两种期刊中,有15％的论文专注于营养评估领域,并且近年来这一比例呈现出增长趋势;营养评估的研究重点主要集中在营养不良评估指南和标准的制定及其应用研究.近3年,ESPEN会刊及APSEN会刊的研究热点主要包括COVID-19、metabolomics、global leadership initiative on malnutrition、intestinal failure、obesity、sarcopenia等.结论 ESPEN会刊及APSEN会刊在研究方向上各有侧重,糖脂代谢相关疾病、肠外与肠内营养及营养评估是未来欧美临床营养学发展的主要方向.
Objective To compare and analyze the research characteristics of European Society for Clinical Nutrition and Metabolism(ESPEN)(Clinical Nutrition)and American society for parenteral and enteral nutrition(ASPEN)(Journal of Parenteral and Enteral Nutrition)journals in the past ten years and to understand the main research contents,research hotspots and development trends of clinical nutrition in Europe and America.Methods The main research contents,published studies from China and the distribution of highly-cited papers in ESPEN and ASPEN journals in the past ten years were analyzed using topic classification.The keyword co-occurrence clustering knowledge graph in the past ten years was developed by keyword co-occurrence analysis,which objectively demonstrated the research topics and high-frequency keywords in clinical nutrition studies from Europe and the United States.The burst detection algorithm was used to identify the emerging keywords in clinical nutrition studies and to reveal the dynamic changes of clinical nutrition research hotspots in Europe and the United States.Results The majority of studies published in ESPEN journal focused on diseases related to glucose and lipid metabolism(accounting for 34％),with the main research directions including obesity,insulin resistance,metabolic syndrome,etc.The majority of studies published in ASPEN focused on parenteral and enteral nutrition(accounting for 56％).15％of the summation of these two journals looked at nutrition assessment and the proportion is on a rise in recent years.The main research hotspots of nutrition assessment involved the development and application of malnutrition assessment guidelines and standards.In the past three years,the research hotspots in ESPEN and ASPEN journals mainly included COVID-19,metabolomics,Global Leadership Initiative on Malnutrition,intestinal failure,obesity,sarcopenia and so on.Conclusions The journals of ESPEN and ASPEN have respective emphases concerning the research direction.Diseases related to glucose and lipid metabolism,parenteral and enteral nutrition and nutrition assessment are the principal development directions of clinical nutrition in Europe and America in the future.
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