• Tingxiao Zhao, Jianjian Shen, Jun Zhang, Xueyu Hu, Kazuaki Morizane, Yazeng Huang, Haiyu Shao, Grant J Riew, and Daniel K Riew.
• Department of Spine Surgery, Zhejiang Provincial People's Hospital, Hangzhou, Zhejiang, China.
• Spine. 2020 Nov 1; 45 (21): 1530-1536.

Study DesignA bibliometric review of current literature.ObjectiveThe purpose of this study was to identify and analyze the 100 most cited articles in spinal disc arthroplasty (SDA) research.Summary Of Background DataIn the last several decades, SDA has been widely performed all over the world, with increasing popularity of cervical disc arthroplasty (CDA). While there is a large number of articles on this topic, to our knowledge, there is no bibliometric analysis yet.MethodsAll databases from the Web of Science were searched in a three-step approach. The information of the 100 most cited studies was collected, including title, first and last author, year of publication, journal, total citations, geographic origin, subspecialty, and types of artificial intervertebral disc for further analysis.ResultsThe 100 most-cited articles were published from 1966 to 2015 in 9 different journals and were cited from 66 to 346 times. A total of 11 countries contributed to the 100 articles and the United States topped the list, with 54 articles, followed by Germany and France, with 10 and nine articles, respectively. There were more studies in CDA (n = 53) than lumbar disc arthroplasty (n = 35). Most of the studies reported clinical and radiographic outcomes (n = 33). The most productive periods were from 2006 to 2010. The majority of publications were in Spine, which published 43 articles. In total, 12 authors published more than two articles on the list.ConclusionOf the top 100 most cited articles on SDA, cervical papers outnumbered lumbar articles and the United States had 55 articles, with no other countries having more than 10. Our paper can help readers determine which of the thousands of articles on this topic are the most impactful and important ones to be familiar with.Level Of Evidence3.

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