The most influential papers in unicompartmental knee arthroplasty
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(2020) 32:54
Knee Surgery & Related Research
REVIEW ARTICLE
Open Access
The most influential papers in unicompartmental knee arthroplasty Lukas A. Holzer1* and Gerold Holzer2
Abstract Purpose: Unicompartmental knee arthroplasty (UKA) is a treatment option for anteromedial osteoarthritis of the knee. The number of UKA has been increasing constantly worldwide in recent decades. The aim of this study was to determine the most frequently cited scientific articles addressing this subject and to establish a ranking of the 50 most influential papers. Methods: The 50 most cited articles related to UKA were searched in Web of Science® (Clarivate Analytics, Penn., USA) by the use of defined search terms. All types of scientific papers with reference to this topic were ranked according to the absolute number of citations and analyzed for the following characteristics: journal title, year of publication, number of citations, citation density, geographic origin, article type, and level of evidence. Results: The 50 most cited articles had up to 453 citations. Most papers were published in the Journal of Bone and Joint Surgery (British volume). More than half of the articles were published in the 2000s and 2010s (n = 30). Ten countries contributed to the top 50 list, with most contributions from the UK (n = 17). Most articles could be attributed to the category of Clinical Science (n = 33), and most reported level IV studies. Conclusion: Most of the frequently cited articles in UKA are clinical studies that have a low level of evidence. Few basic scientific studies could be identified, which suggests that most product development is done by commercial companies. Keywords: Unicompartmental knee arthroplasty, Unicondylar knee arthroplasty, Bibliometric study, Citation analysis
Introduction Unicompartmental knee arthroplasty (UKA) dates back to the 1950s, following the introduction of the MacIntosh and McKeever hemiarthroplasty [1]. Since then, patient management, implant design, and surgical techniques, such as patient-specific instrumentation, have advanced [1, 2]. Nowadays, UKA is considered a less-invasive treatment option for anteromedial osteoarthritis than total knee (TKA) arthroplasty [3–5]. As a result, the number of UKA has been increasing constantly worldwide in recent decades [6– 8]. Due to the clinical relevance of UKA, numerous scientific papers related to this topic were published, that is, more than 2000 articles. * Correspondence: [email protected] 1 Department of Orthopedic Surgery, AUVA Trauma Center Klagenfurt, Waidmannsdorferstraße 35, 9020 Klagenfurt am Wörthersee, Austria Full list of author information is available at the end of the article
A citation is a reference or a quotation from previous scientific work that has been published in books or scientific journals [9]. The number of citations of published scientific articles is considered a parameter of its influence and impact in the scientific community. The impact factor of a journal is a widely accepted as a parameter of scientific quality and
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