Objective:To evaluate the current state of research and areas of interest for traditional Chinese medicine(TCM)in the field of colorectal cancer treatment.Methods:Related papers published between January 1,2012,and No...Objective:To evaluate the current state of research and areas of interest for traditional Chinese medicine(TCM)in the field of colorectal cancer treatment.Methods:Related papers published between January 1,2012,and November 27,2021,were found using the Web of Science Core Collection Science Citation Index Expanded.Using CiteSpace's network map generation capability,we then determined the top writers,organizations,countries,keywords,co-cited writers,journals,references,and research trends.Results:This investigation yielded a total of 336 relevant papers.China is the most productive country.Shanghai University of Traditional Chinese Medicine is the leading institution.The journal with the most popularity and publishing volume is Evidence-based Complementary and Alternative Medicine.The author with the most citations and centrality is Lin JM.The terms"epithelial-mesenchymal transition,""cell cycle arrest,""apoptosis,"and"autophagy"are highly frequent and have a high betweenness centrality.Conclusion:According to the results,research on natural products,traditional Chinese medicine(TCM)extracts,and the molecular mechanisms of TCM chemical constituents constitutes the primary focus within TCM cancer treatment investigations.In recent years,there has been a surge of interest in exploring the role of gut microbiota in TCM chemical constituents research,particularly in its ability to induce apoptosis and autophagy in tumor cells,thereby suppressing tumor cell proliferation,metastasis,and invasion.However,due to the intricate composition of TCM and existing technical limitations,the underlying principles guiding TCM's efficacy in treating colorectal cancer remain unclear and warrant further investigation.展开更多
目的:通过文献计量学分析,研究人参治疗失眠的历史与未来趋势。方法:检索近20年来国家知识基础设施数据库(CNKI)和Web of Science数据库中关于人参治疗失眠的文献,使用可视化分析工具进行发文量、作者、机构、国家、期刊、资助基金、关...目的:通过文献计量学分析,研究人参治疗失眠的历史与未来趋势。方法:检索近20年来国家知识基础设施数据库(CNKI)和Web of Science数据库中关于人参治疗失眠的文献,使用可视化分析工具进行发文量、作者、机构、国家、期刊、资助基金、关键词和被引频次等方面的分析。结果:纳入434篇中英文文献,其中中文364篇,英文70篇;发文总量最高的年份是2021年;最多发文的作者是滕晶;发文最多的期刊是《中医临床研究》和《JOURNAL OF GINSENG RESEARCH》;发文最多的机构是山东中医药大学;热点关键词是“归脾汤”“心脾两虚证”“GABA受体”等;被引最多的文献是Zhao、Fang等发表的人参治疗失眠通路机制的研究。结论:人参治疗失眠的研究呈增长趋势,未来将重点研究临床观察、作用机制和相关通路,为该领域的研究提供方法和思路。展开更多
Background,aim,and scope In the context of climate change,extreme precipitation and resulting flooding events are becoming increasingly severe.Remote sensing technologies are advantageous for monitoring such disasters...Background,aim,and scope In the context of climate change,extreme precipitation and resulting flooding events are becoming increasingly severe.Remote sensing technologies are advantageous for monitoring such disasters due to their wide observation range,periodic revisit capabilities,and continuous spatial coverage.These tools enable real-time and quantitative assessment of flood inundation.Over the past 20 years,the field of remote sensing for floods has seen significant advancements.Understanding the evolution of research hotspots within this field can offer valuable insights for future research directions.Materials and methods This study systematically analyzes the development and hotspot evolution in the field of flood remote sensing,both domestically and internationally during 2000—2021.Data from CNKI(China National Knowledge Infrastructure)and WOS(Web of Science)databases are utilized for this analysis.Results(1)A total of 1693 articles have been published in this field,showing a stable growth trend post-2008.Significant contributors include the Chinese Academy of Sciences,Beijing Normal University,Wuhan University,the Italian National Research Council,and National Aeronautics and Space Administration.(2)High-frequency keywords from 2000 to 2021 include“remote sensing”“flood”“model”“classification”“GIS”“climate change”“area”,and“MODIS”.(3)The most prominent keywords were“GIS”(8.65),“surface water”(7.16),“remote sensing”(7.07),“machine learning”(6.52),and“sentinel-2”(5.86).(4)Thirteen cluster labels were identified through clustering,divided into three phases:2000—2009(initial exploratory stage),2010—2014(period of rapid development),and 2015—2021(steady development of remote sensing for floods and related disasters).Discussion The field exhibits strong phase-based development,with research focuses shifting over time.From 2000 to 2009,emphasis was on remote sensing image application and flood model development.From 2010 to 2014,the focus shifted to accurate interpretation of remote sensing images,multispectral image applications,and long time series detection.From 2015 to 2021,research concentrated on steady development,leveraging large datasets and advanced data processing techniques,including improvements in water body indices,big data fusion,deep learning,and drone monitoring.Early on,SAR data,known for its all-weather capability,was crucial for rapid flood hazard extraction and flood hydrological models.With the rise of high-quality optical satellites,optical remote sensing has become more prevalent,though algorithm accuracy and efficiency for water body index methods still require improvement.Conclusions Data sources and methodologies have evolved from early reliance on radar data to the current exploration of optical image fusion and multi-source data integration.Algorithms now increasingly employ deep learning,super image elements,and object-oriented methods to enhance flood identification accuracy.Recent studies focus on spatial and temporal changes in flooding,risk identification,and early warning for climate change-related flooding,including glacial melting and lake outbursts.Recommendations and perspectives To enhance monitoring accuracy and timeliness,UAV technology should be further utilized.Strengthening multi-source data fusion and assimilation is crucial,as is analyzing long-term flood disaster sequences to better understand their mechanisms.展开更多
BACKGROUND Abdominal aortitis can induce aneurysms,and tumor rupture can lead to organ ischemia or even sudden death.At present,there is a lack of extensive understanding and identification of key problems in the trea...BACKGROUND Abdominal aortitis can induce aneurysms,and tumor rupture can lead to organ ischemia or even sudden death.At present,there is a lack of extensive understanding and identification of key problems in the treatment of abdominal aortitis,which needs to be further analyzed using bibliometric analysis.AIM To discuss the research hotspot and development trend of abdominal aortitis treatment.METHODS We searched the English literature(published from January 1,2000 to March 12,2024)on the treatment of abdominal aortitis in the Web of Science database.Then,we identified and screened duplicate literature using CiteSpace 6.1R2 software.We conducted an analysis of the number of papers,a co-occurrence analysis of the authors and institutions,and co-occurrence and cluster analyses of the keywords.Then,we drew the author,institution,and keywords of the studies into graphs for visualization.Finally,we expounded on the author,institutional network interactions,and hot keywords of the studies on the treatment of abdominal aortitis.RESULTS We included 210 English literature articles involving 190 authors;the author cooperation team was mainly represented by Caradu Caroline,Berard Xavier,Lu Guanyi,Harada Kenichi,and Sharma Ashish K.In the keyword analysis,highfrequency keywords include abdominal aortic aneurysm(38),abdominal aorta(24),Takayasu arteritis(22),etc.The three most central keywords were disease(0.69),classification(0.68),and abdominal aortic aneurysm(0.55).The first nine clusters of keywords are case report,abdominal aortic aneurysm,Takayasu arteritis,dyspnea hematuria,aortic elastic,IgG4-related disease,report,mid aortic dysplastic syndrome,and statin.In the keyword emergent analysis,14 emergent words were obtained.Among them,seven keywords with strong abruptness were Takayasu arteritis,abdominal aortic aneurysm,disease,retroperitoneal fibrosis,expression,management,and large vessel vasculitis.In the past 3 years,the incidences of abdominal aortic aneurysm(intensity:4.62)and inflammation(intensity:1.99)were higher.CONCLUSION The number of published papers is on the increase,but the cooperation among authors is scattered.The research focus is mainly on the pathogenesis and treatment of abdominal aortitis-related diseases.展开更多
BACKGROUND The transjugular intrahepatic portosystemic shunt(TIPS)is an important technique for treating complications related to portal hypertension in patients with cirrhosis,and the number of publications in the TI...BACKGROUND The transjugular intrahepatic portosystemic shunt(TIPS)is an important technique for treating complications related to portal hypertension in patients with cirrhosis,and the number of publications in the TIPS field continues to rise.AIM To facilitate an understanding of the research status and hotspots in the field of TIPS using CiteSpace bibliometric analysis.METHODS CiteSpace is a software that depicts the strength of relationships through graphics and connections with diverse functionalities and can be used to analyze the status and hotspots of areas of research.Articles on TIPS in the Web of Science Core Collection were retrieved,and CiteSpace software was used to visualize and analyze the number of publications,journals,countries,institutions,authors,keywords,and citations.RESULTS A total of 985 relevant documents were included in the analysis.From January 2013 to December 2022,the number of publications increased annually.The journal,institution,and author with the greatest number of publications in the field of TIPS are the Journal of Vascular and Interventional Radiology,the University of Bonn,and Jonel Trebicka,respectively.The main keywords used in this field are“transjugular intrahepatic portosystemic shunt”,“portal hypertension”,“cirrhosis”,“management”,“stent”,“hepatic encephalopathy”,“refractory ascite”,“survival”,“risk”,and“variceal bleeding”.The greatest obstacle to TIPS placement is currently the occurrence of hepatic encephalopathy.The research hotspots are the mechanism,risk factors,management,and control of hepatic encephalopathy.CONCLUSION This bibliometric analysis reported the research status and hotspots of TIPS.Research on postoperative hepatic encephalopathy is the research hotspot in this field.展开更多
人工智能及大数据已经成为包括医学教育在内的各研究领域的热点问题。为了阐明人工智能在医学教育中的发展趋势,利用CiteSpace软件分析2013-2022年Web of Science核心合集文献270篇。从发文量、国家和地区、研究机构、作者、发表杂志、...人工智能及大数据已经成为包括医学教育在内的各研究领域的热点问题。为了阐明人工智能在医学教育中的发展趋势,利用CiteSpace软件分析2013-2022年Web of Science核心合集文献270篇。从发文量、国家和地区、研究机构、作者、发表杂志、引文情况、关键词及发展趋势等方面进行综合分析得出研究结论:从2018年开始相关论文呈明显增长趋势,Mayo Clinic(梅奥诊所)成为全球发文量最多的研究机构;Friedman等形成了较为完整的研究团体;JAMA成为最高被引杂志;近年医学教育的人工智能应用研究热点问题主要集中在医学影像及虚拟手术等方面。展开更多
基于中国知网(CNKI)数据库和Web of Science核心数据库,运用文献计量软件CiteSpace对2000—2023年退役动力电池回收研究的发文趋势、高产作者、高产机构、关键词共现和聚类等进行可视化分析。结果发现:自2000年以来,动力电池回收研究呈...基于中国知网(CNKI)数据库和Web of Science核心数据库,运用文献计量软件CiteSpace对2000—2023年退役动力电池回收研究的发文趋势、高产作者、高产机构、关键词共现和聚类等进行可视化分析。结果发现:自2000年以来,动力电池回收研究呈持续上升趋势,国外高产作者聚集且合作关系紧,国内高产作者分散且合作关系疏;国外高产机构集中于发达国家,国内高产机构多来自经济发展水平较高的城市;关键词共现和聚类分析表明,退役动力电池回收工艺、梯次利用和回收体系是研究焦点。未来应积极开展跨区域、跨学科和跨产业合作,加强高效、智能、安全的退役动力电池回收体系及其梯次利用产业链构建研究,以促进新能源汽车产业链的健康发展。展开更多
基于CiteSpace知识图谱探讨国内外医学教育混合式教学研究现状、热点及发展趋势,并进行对比分析,为该领域未来研究思路和方向提供参考。以Web of Science核心合集、中国知网和万方数据库作为数据来源,运用CiteSpace软件对国内外2004—2...基于CiteSpace知识图谱探讨国内外医学教育混合式教学研究现状、热点及发展趋势,并进行对比分析,为该领域未来研究思路和方向提供参考。以Web of Science核心合集、中国知网和万方数据库作为数据来源,运用CiteSpace软件对国内外2004—2023年所发表的医学教育混合式教学相关文献进行文献计量学分析。该研究最终纳入中文文献863篇,英文文献677篇。研究发现,近二十年来国内外医学教育混合式教学研究的年发文量均总体呈上升趋势,国内年发文量从2015年开始攀升。近二十年该领域的研究热点和前沿主要包括混合式教学在医学教育方面的应用以及多样化教学方法,国内研究侧重于混合式教学方法的多样化,而国外研究侧重于对学生不同方面能力的提升。通过期刊双图叠加分析显示,混合式教学研究在医学教育不同学科领域有交叉趋势。构建和优化多元互融的混合式教学模式,加强交流合作,注意教学方法多样化和学生能力提升并重,深化混合式教学的内涵与外延发展,是推动中国医学教育教学创新改革的未来发展方向。展开更多
利用CiteSpace引文可视化分析软件对Web of Science数据库中1978—2022年的国外女性主义地理学核心文献进行了相关分析。研究结果表明,国外女性主义地理学核心文献发文趋势呈从波动上升到急剧下降的“倒V形”结构。国外女性主义地理学...利用CiteSpace引文可视化分析软件对Web of Science数据库中1978—2022年的国外女性主义地理学核心文献进行了相关分析。研究结果表明,国外女性主义地理学核心文献发文趋势呈从波动上升到急剧下降的“倒V形”结构。国外女性主义地理学已基本形成以MCDOWELL L、CUOMO D、HYNDMAN J、FARIA C、BRIDGEN J等为代表的发文作者,以多伦多大学、杜伦大学、亚利桑那大学等高校为主的研究机构和以美、英、加等发达国家为中心的研究区域。国外女性主义地理学研究热点由地理、性别、政治、空间、女性等传统议题逐步向身体、关怀伦理、女性主义地缘政治学等新兴议题扩展。研究议题持续呈现多元化特征,涉及社会、历史、政治等多个领域。研究前沿主要围绕地缘政治学展开,研究进展则大致经历了形成(1991—2003年)、发展(2004—2010年)与深化(2011年至今)3个阶段。加强学科、领域间的交叉融合并介入社会问题将成为未来女性主义地理学的发展方向。展开更多
目的基于CiteSpace和VOSviewer可视化分析中医药治疗特发性膜性肾病的研究现状和发展趋势,为未来研究方向提供参考和建议。方法检索中国知网(CNKI)、维普(VIP)、Web of ScienceTM核心合集数据库从建库至2022年12月1日期间发表的以中医...目的基于CiteSpace和VOSviewer可视化分析中医药治疗特发性膜性肾病的研究现状和发展趋势,为未来研究方向提供参考和建议。方法检索中国知网(CNKI)、维普(VIP)、Web of ScienceTM核心合集数据库从建库至2022年12月1日期间发表的以中医药治疗特发性膜性肾病的相关文献,并根据纳入和排除标准进行文献筛选。共纳入中文文献469篇、英文文献36篇,利用CiteSpace 6.1.R3和VOSviewer 1.6.18绘制中医药治疗特发性膜性肾病的知识图谱,对发表时间、研究作者、研究机构、研究关键词进行频数分析、聚类分析、突现分析。结果分析可得年发文量从2016年开始呈大幅度上升趋势,王暴魁是中文文献发文量最多的作者,WANG L(王琳)是英文文献发文量最多的作者;首都医科大学附属北京中医医院团队、上海中医药大学附属龙华医院为领头机构;疾病、病机、治疗为主要研究内容。研究者对名医经验的关注度高,“辨证论治”为近两年热点并有望得到进一步研究和应用。结论未来多中心多元交叉研究网络的构建、高质量真实世界研究和生物机制研究的开展将推动中医药治疗特发性膜性肾病的多维度研究得到进一步深化。展开更多
以2010—2020年间Web of Science(WoS)核心合集和中国知网(CNKI)数据库为数据源,运用CiteSpace软件对污泥土地利用研究发文量、研究力量和研究热点进行计量可视化分析,旨在探析当前国内外研究现状,探索前沿动态和未来发展趋势。结果表明...以2010—2020年间Web of Science(WoS)核心合集和中国知网(CNKI)数据库为数据源,运用CiteSpace软件对污泥土地利用研究发文量、研究力量和研究热点进行计量可视化分析,旨在探析当前国内外研究现状,探索前沿动态和未来发展趋势。结果表明,污泥土地利用研究总发文数量变化幅度较小,该领域研究热度处于平稳状态;在两大数据库中,美国和中国是该领域中合作研究多且影响力大的国家,最活跃的研究机构是中国科学院,作者及研究团队间的合作相对较少;国际上污泥土地利用研究趋于多元化发展,而我国在该领域的研究方向则比较单一,偏重于重金属研究。基于文献共现聚类和研究热点分析,提出污泥土地利用研究的未来展望:在多个层面开展合作研究,积极研发无害化污泥土地利用技术,全方面跟踪监测和评估污泥土地利用对陆地生态系统的影响,多部门联合制定污泥土地利用相关政策和技术规范。展开更多
基金funded by the National Natural Science Foundation of China(82122075,82074232)Shanghai Frontier Research Base of Disease and Syndrome Biology of Inflammatory Cancer Trans-formation(2021KJ03-12)"Shu Guang"project supported by Shanghai Municipal Education Commission and Shanghai Education Development Foundation(21SG43).
文摘Objective:To evaluate the current state of research and areas of interest for traditional Chinese medicine(TCM)in the field of colorectal cancer treatment.Methods:Related papers published between January 1,2012,and November 27,2021,were found using the Web of Science Core Collection Science Citation Index Expanded.Using CiteSpace's network map generation capability,we then determined the top writers,organizations,countries,keywords,co-cited writers,journals,references,and research trends.Results:This investigation yielded a total of 336 relevant papers.China is the most productive country.Shanghai University of Traditional Chinese Medicine is the leading institution.The journal with the most popularity and publishing volume is Evidence-based Complementary and Alternative Medicine.The author with the most citations and centrality is Lin JM.The terms"epithelial-mesenchymal transition,""cell cycle arrest,""apoptosis,"and"autophagy"are highly frequent and have a high betweenness centrality.Conclusion:According to the results,research on natural products,traditional Chinese medicine(TCM)extracts,and the molecular mechanisms of TCM chemical constituents constitutes the primary focus within TCM cancer treatment investigations.In recent years,there has been a surge of interest in exploring the role of gut microbiota in TCM chemical constituents research,particularly in its ability to induce apoptosis and autophagy in tumor cells,thereby suppressing tumor cell proliferation,metastasis,and invasion.However,due to the intricate composition of TCM and existing technical limitations,the underlying principles guiding TCM's efficacy in treating colorectal cancer remain unclear and warrant further investigation.
文摘目的:通过文献计量学分析,研究人参治疗失眠的历史与未来趋势。方法:检索近20年来国家知识基础设施数据库(CNKI)和Web of Science数据库中关于人参治疗失眠的文献,使用可视化分析工具进行发文量、作者、机构、国家、期刊、资助基金、关键词和被引频次等方面的分析。结果:纳入434篇中英文文献,其中中文364篇,英文70篇;发文总量最高的年份是2021年;最多发文的作者是滕晶;发文最多的期刊是《中医临床研究》和《JOURNAL OF GINSENG RESEARCH》;发文最多的机构是山东中医药大学;热点关键词是“归脾汤”“心脾两虚证”“GABA受体”等;被引最多的文献是Zhao、Fang等发表的人参治疗失眠通路机制的研究。结论:人参治疗失眠的研究呈增长趋势,未来将重点研究临床观察、作用机制和相关通路,为该领域的研究提供方法和思路。
文摘Background,aim,and scope In the context of climate change,extreme precipitation and resulting flooding events are becoming increasingly severe.Remote sensing technologies are advantageous for monitoring such disasters due to their wide observation range,periodic revisit capabilities,and continuous spatial coverage.These tools enable real-time and quantitative assessment of flood inundation.Over the past 20 years,the field of remote sensing for floods has seen significant advancements.Understanding the evolution of research hotspots within this field can offer valuable insights for future research directions.Materials and methods This study systematically analyzes the development and hotspot evolution in the field of flood remote sensing,both domestically and internationally during 2000—2021.Data from CNKI(China National Knowledge Infrastructure)and WOS(Web of Science)databases are utilized for this analysis.Results(1)A total of 1693 articles have been published in this field,showing a stable growth trend post-2008.Significant contributors include the Chinese Academy of Sciences,Beijing Normal University,Wuhan University,the Italian National Research Council,and National Aeronautics and Space Administration.(2)High-frequency keywords from 2000 to 2021 include“remote sensing”“flood”“model”“classification”“GIS”“climate change”“area”,and“MODIS”.(3)The most prominent keywords were“GIS”(8.65),“surface water”(7.16),“remote sensing”(7.07),“machine learning”(6.52),and“sentinel-2”(5.86).(4)Thirteen cluster labels were identified through clustering,divided into three phases:2000—2009(initial exploratory stage),2010—2014(period of rapid development),and 2015—2021(steady development of remote sensing for floods and related disasters).Discussion The field exhibits strong phase-based development,with research focuses shifting over time.From 2000 to 2009,emphasis was on remote sensing image application and flood model development.From 2010 to 2014,the focus shifted to accurate interpretation of remote sensing images,multispectral image applications,and long time series detection.From 2015 to 2021,research concentrated on steady development,leveraging large datasets and advanced data processing techniques,including improvements in water body indices,big data fusion,deep learning,and drone monitoring.Early on,SAR data,known for its all-weather capability,was crucial for rapid flood hazard extraction and flood hydrological models.With the rise of high-quality optical satellites,optical remote sensing has become more prevalent,though algorithm accuracy and efficiency for water body index methods still require improvement.Conclusions Data sources and methodologies have evolved from early reliance on radar data to the current exploration of optical image fusion and multi-source data integration.Algorithms now increasingly employ deep learning,super image elements,and object-oriented methods to enhance flood identification accuracy.Recent studies focus on spatial and temporal changes in flooding,risk identification,and early warning for climate change-related flooding,including glacial melting and lake outbursts.Recommendations and perspectives To enhance monitoring accuracy and timeliness,UAV technology should be further utilized.Strengthening multi-source data fusion and assimilation is crucial,as is analyzing long-term flood disaster sequences to better understand their mechanisms.
文摘BACKGROUND Abdominal aortitis can induce aneurysms,and tumor rupture can lead to organ ischemia or even sudden death.At present,there is a lack of extensive understanding and identification of key problems in the treatment of abdominal aortitis,which needs to be further analyzed using bibliometric analysis.AIM To discuss the research hotspot and development trend of abdominal aortitis treatment.METHODS We searched the English literature(published from January 1,2000 to March 12,2024)on the treatment of abdominal aortitis in the Web of Science database.Then,we identified and screened duplicate literature using CiteSpace 6.1R2 software.We conducted an analysis of the number of papers,a co-occurrence analysis of the authors and institutions,and co-occurrence and cluster analyses of the keywords.Then,we drew the author,institution,and keywords of the studies into graphs for visualization.Finally,we expounded on the author,institutional network interactions,and hot keywords of the studies on the treatment of abdominal aortitis.RESULTS We included 210 English literature articles involving 190 authors;the author cooperation team was mainly represented by Caradu Caroline,Berard Xavier,Lu Guanyi,Harada Kenichi,and Sharma Ashish K.In the keyword analysis,highfrequency keywords include abdominal aortic aneurysm(38),abdominal aorta(24),Takayasu arteritis(22),etc.The three most central keywords were disease(0.69),classification(0.68),and abdominal aortic aneurysm(0.55).The first nine clusters of keywords are case report,abdominal aortic aneurysm,Takayasu arteritis,dyspnea hematuria,aortic elastic,IgG4-related disease,report,mid aortic dysplastic syndrome,and statin.In the keyword emergent analysis,14 emergent words were obtained.Among them,seven keywords with strong abruptness were Takayasu arteritis,abdominal aortic aneurysm,disease,retroperitoneal fibrosis,expression,management,and large vessel vasculitis.In the past 3 years,the incidences of abdominal aortic aneurysm(intensity:4.62)and inflammation(intensity:1.99)were higher.CONCLUSION The number of published papers is on the increase,but the cooperation among authors is scattered.The research focus is mainly on the pathogenesis and treatment of abdominal aortitis-related diseases.
基金National Natural Science Foundation of China,No.82273484Project of Chongqing Young and Middle-aged Medical Talents.
文摘BACKGROUND The transjugular intrahepatic portosystemic shunt(TIPS)is an important technique for treating complications related to portal hypertension in patients with cirrhosis,and the number of publications in the TIPS field continues to rise.AIM To facilitate an understanding of the research status and hotspots in the field of TIPS using CiteSpace bibliometric analysis.METHODS CiteSpace is a software that depicts the strength of relationships through graphics and connections with diverse functionalities and can be used to analyze the status and hotspots of areas of research.Articles on TIPS in the Web of Science Core Collection were retrieved,and CiteSpace software was used to visualize and analyze the number of publications,journals,countries,institutions,authors,keywords,and citations.RESULTS A total of 985 relevant documents were included in the analysis.From January 2013 to December 2022,the number of publications increased annually.The journal,institution,and author with the greatest number of publications in the field of TIPS are the Journal of Vascular and Interventional Radiology,the University of Bonn,and Jonel Trebicka,respectively.The main keywords used in this field are“transjugular intrahepatic portosystemic shunt”,“portal hypertension”,“cirrhosis”,“management”,“stent”,“hepatic encephalopathy”,“refractory ascite”,“survival”,“risk”,and“variceal bleeding”.The greatest obstacle to TIPS placement is currently the occurrence of hepatic encephalopathy.The research hotspots are the mechanism,risk factors,management,and control of hepatic encephalopathy.CONCLUSION This bibliometric analysis reported the research status and hotspots of TIPS.Research on postoperative hepatic encephalopathy is the research hotspot in this field.
文摘人工智能及大数据已经成为包括医学教育在内的各研究领域的热点问题。为了阐明人工智能在医学教育中的发展趋势,利用CiteSpace软件分析2013-2022年Web of Science核心合集文献270篇。从发文量、国家和地区、研究机构、作者、发表杂志、引文情况、关键词及发展趋势等方面进行综合分析得出研究结论:从2018年开始相关论文呈明显增长趋势,Mayo Clinic(梅奥诊所)成为全球发文量最多的研究机构;Friedman等形成了较为完整的研究团体;JAMA成为最高被引杂志;近年医学教育的人工智能应用研究热点问题主要集中在医学影像及虚拟手术等方面。
文摘基于中国知网(CNKI)数据库和Web of Science核心数据库,运用文献计量软件CiteSpace对2000—2023年退役动力电池回收研究的发文趋势、高产作者、高产机构、关键词共现和聚类等进行可视化分析。结果发现:自2000年以来,动力电池回收研究呈持续上升趋势,国外高产作者聚集且合作关系紧,国内高产作者分散且合作关系疏;国外高产机构集中于发达国家,国内高产机构多来自经济发展水平较高的城市;关键词共现和聚类分析表明,退役动力电池回收工艺、梯次利用和回收体系是研究焦点。未来应积极开展跨区域、跨学科和跨产业合作,加强高效、智能、安全的退役动力电池回收体系及其梯次利用产业链构建研究,以促进新能源汽车产业链的健康发展。
文摘基于CiteSpace知识图谱探讨国内外医学教育混合式教学研究现状、热点及发展趋势,并进行对比分析,为该领域未来研究思路和方向提供参考。以Web of Science核心合集、中国知网和万方数据库作为数据来源,运用CiteSpace软件对国内外2004—2023年所发表的医学教育混合式教学相关文献进行文献计量学分析。该研究最终纳入中文文献863篇,英文文献677篇。研究发现,近二十年来国内外医学教育混合式教学研究的年发文量均总体呈上升趋势,国内年发文量从2015年开始攀升。近二十年该领域的研究热点和前沿主要包括混合式教学在医学教育方面的应用以及多样化教学方法,国内研究侧重于混合式教学方法的多样化,而国外研究侧重于对学生不同方面能力的提升。通过期刊双图叠加分析显示,混合式教学研究在医学教育不同学科领域有交叉趋势。构建和优化多元互融的混合式教学模式,加强交流合作,注意教学方法多样化和学生能力提升并重,深化混合式教学的内涵与外延发展,是推动中国医学教育教学创新改革的未来发展方向。
文摘以2010—2020年间Web of Science(WoS)核心合集和中国知网(CNKI)数据库为数据源,运用CiteSpace软件对污泥土地利用研究发文量、研究力量和研究热点进行计量可视化分析,旨在探析当前国内外研究现状,探索前沿动态和未来发展趋势。结果表明,污泥土地利用研究总发文数量变化幅度较小,该领域研究热度处于平稳状态;在两大数据库中,美国和中国是该领域中合作研究多且影响力大的国家,最活跃的研究机构是中国科学院,作者及研究团队间的合作相对较少;国际上污泥土地利用研究趋于多元化发展,而我国在该领域的研究方向则比较单一,偏重于重金属研究。基于文献共现聚类和研究热点分析,提出污泥土地利用研究的未来展望:在多个层面开展合作研究,积极研发无害化污泥土地利用技术,全方面跟踪监测和评估污泥土地利用对陆地生态系统的影响,多部门联合制定污泥土地利用相关政策和技术规范。