Bohl Michael A, Ponce Francisco A
Department of Neurosurgery, Barrow Neurological Institute, St. Joseph's Hospital and Medical Center, Phoenix, Arizona, USA.
Department of Neurosurgery, Barrow Neurological Institute, St. Joseph's Hospital and Medical Center, Phoenix, Arizona, USA.
World Neurosurg. 2017 Aug;104:927-938. doi: 10.1016/j.wneu.2017.03.149. Epub 2017 Apr 21.
Bibliometric analyses based on total citation count come with many limitations, which investigators in other fields have overcome using the average number of citations per year since publication.
The following study is presented in 2 parts. In this first part, the 100 most relevant articles in neurosurgical journals were identified and ranked by total citations per year since publication. We queried the Web of Science database for the 1000 most-cited articles in neurosurgical journals. The number of citations per year was calculated for these 1000 articles, and the top 100 were identified.
Among the top 100 most relevant articles, 63 were from the Journal of Neurosurgery, 26 from Neurosurgery, 7 from the Journal of Neurology, Neurosurgery, and Psychiatry, 3 from Acta Neurochirurgica, and 1 from Surgical Neurology. The average year of publication for the 100 most relevant articles is 1995, compared with 1984 for the list of most-cited articles published by Ponce and Lozano in 2010 (P < 0.001).
These results suggest that ranking articles based on relevancy rather than historical popularity results in a list of more recently published articles and includes more studies addressing topics of surgical management and outcomes. The ability to appraise the literature in this fashion is worthwhile to those seeking a better understanding of the science underlying modern clinical practice and is thus a highly valuable tool for neurosurgical residents, program directors, and neuroscientists as they acquire an understanding of modern neurosurgery and its scientific foundation.
基于总被引次数的文献计量分析存在诸多局限性，其他领域的研究者通过计算自发表以来每年的平均被引次数克服了这些局限性。
以下研究分为两部分呈现。在第一部分中，确定了神经外科期刊中100篇最相关的文章，并根据自发表以来每年的总被引次数进行排名。我们在科学网数据库中查询了神经外科期刊中被引次数最多的1000篇文章。计算了这1000篇文章每年的被引次数，并确定了排名前100的文章。
在100篇最相关的文章中，63篇来自《神经外科杂志》，26篇来自《神经外科》，7篇来自《神经病学、神经外科与精神病学杂志》，3篇来自《神经外科学报》，1篇来自《外科神经学》。100篇最相关文章的平均发表年份为1995年，而庞塞和洛萨诺在2010年发表的被引次数最多文章列表的平均发表年份为1984年（P<0.001）。
这些结果表明，基于相关性而非历史知名度对文章进行排名会得到一份发表时间更近的文章列表，并且包括更多涉及手术管理和结果主题的研究。对于那些寻求更好地理解现代临床实践背后科学的人来说，以这种方式评估文献的能力是值得的，因此对于神经外科住院医师、项目主任和神经科学家在了解现代神经外科及其科学基础时是一种非常有价值的工具。
