2011年PubMed收录头痛相关文献统计分析与展望

A statistical analysis and perspective of headache-related papers covered in 2011 PubMed

目的研究2011年PubMed收录头痛相关文献的分布和热点，为该领域进一步深入研究提供参考。方法检索PubMed数据库2011年收录的头痛相关文献，应用文献计量学方法对论文发表的期刊、国家和主题进行统计分析。结果2011年以头痛为研究主题的文献共1527篇，美国、意大利、德国发文量位居前三，研究热点主要集中于治疗（29．60％）、病理生理学（18．66％）、病因学（16．31％）等几个方面，其中偏头痛为研究重点（54．09％），Cephalalgia为重点期刊，其发表的阴性结果的文章占论著总数的14．86％。结论当前头痛疾患的研究主要集中在偏头痛方面，研究热点主要集中于治疗、病理生理学、病因学等方面；较高比例的阴性结果文章发表值得广大作者重视。

Objective To investigate the distribution and hot spots of literatures on headache by bibliometric analysis in order to provide reference for further study. Methods Literatures that contained headache or migraine in text words published in 2011 in PubMed databases （www. ncbi. nlm. nih. gov/ Pubmed） were searched. Journals, countries and subjects were bibliometrically analysed. Results There were 3683 papers involved to headache published in PubMed in 2011, of which 1527 papers were on headache research. The number of papers on headache research published by USA was the most followed by Italy and Germany （ USA 23.25% , Italy 10.74%, Germany 5.83% ）. The mainly studied subjects were therapy（ 29. 60% ）, pathophysiology （ 18.66% ） and etiology （ 16. 31% ）. 14. 86% papers published in Cephalalgia, which is one of the most important journals, reported negative results. Conclusion The emphasis of headache research was on migraine. Therapy, pathophysiology and etiology were the hot spot. Literatures with nezative result attracted authors to give the more attention.