2009—2013年我国老年医学文献关键词分析

Analysis on key words of domestic geriatrics literatures from 2009 to 2013

目的从近5年我国老年医学期刊关键词分布情况，了解老年医学的研究现状和发展趋势。方法运用文献计量学的词频分析法，通过检索万方医学数据库和中国知网数据库，对2009-2013年具有代表性的5种老年医学综合性期刊所刊载的学术文章的关键词进行整理分析。结果近5年，5种期刊学术文献总数15314篇，共标引关键词55212个，其中标引3、4和5个关键词的文献数分别占标引文献总数的39．3％（6012篇）、33．3％（5092篇）和13．9％（2123篇）。高频词涉及45个关键词，其中每年均进入前30位的有17个（37．8％），包括主要研究对象老年人；主要研究内容糖尿病、冠状动脉疾病、阿尔茨海默病、高血压、脑梗死和认知障碍等老年人常见疾病；危险因素、治疗和预后为研究切入点。共词分析结果显示，51对关键词在≥20篇的文献内同时出现。结论我国老年医学研究热点相对集中，在关注躯体疾病同时，还需注意老年人心理健康问题。

Objective To understand the research status and development tendency of domestic geriatrics. Methods To analyze all the key words in the academic articles from five representative Chinese journals of geriatrics from 2009 to 2013 through key words frequency analysis. Results From 2009 to 2013, the 55212 key words in 15314 articles were analyzed. The percentages of the articles indexing 3, 4 and 5 keywords were 39.3% （6012/15314）, 33.3% （5092/15314） and 13.9%/00 （2123/15314）, respectively. There were 45 high frequency keywords, among which 17 key words （37.8%） were in the top 30 every year. The main research object of geriatrics was Aged, the main research contents were common diseases in the elderly, including Diabetes Mellitus,Coronary Artery Disease, Alzheimer＇s Disease, Hypertension, Cerebral Infarction, Cognition Disorders and etc. The Risk Factors, Therapeutics and Prognosis of these common diseases were always explored. Co-words analysis showed that there were 51 pairs of key words with a frequency more than or equal to 20. Conclusions The hot-spot of geriatric research in our country is relatively concentrated. We should pay attention to body disease, and focus on the mental health problems in the elderly.