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Bibliometric Analysis of the Clinical Trial of Left Main Coronary Artery Disease from 1975 to 2020
Deuk-Young Nah1, Jun-Ho Bae1, Byong-kyu Kim1, Kang Un Choi1, Hwee Soo Jeong1, Moo-Yong Rhee2
Dongguk University Gyeongju Hospital, Korea (Republic of)1, Dongguk University Ilsan Hospital, Korea (Republic of)2
Bibliometric analysis is used to explore the new trends of publications and to identify the most influential authors, institutions, countries and research teams in the field of science subjects. But there was no bibliometric approach for the clinical trial of left main coronary artery disease. This bibliometric analysis aims to investigate the overview of the clinical trial of left main coronary artery disease from the first issue (1975) to the last one (2020).
A total of 106 publications of clinical trials in the left main coronary artery disease were retrieved from PubMed. Clinical trials were selected from the results obtained by searching myocardial revascularization in all fields and left main in the title. The VOS viewer software was used to make a graphical map of the influential key authors and keywords.
Most of the articles (n=27) were from the United States of America (=USA), followed by Netherlands (n=14), Republic of Korea (n=10), and China (n=10). Journal of the American College of Cardiology (n=18) and Circulation (n=14) was the most published journal. Since the publication of five papers in 2008, the number of papers has increased since then. Major principal authors (researchers) are Patrick W. Serruys and Marie-Claude Morice in Europe, Gregg W. Stone in the USA and Seung-Jung Park in Asia (Figure 1). Treatment outcome and coronary artery bypass, drug-eluting stents, and percutaneous coronary intervention were the most frequently used keywords (Figure 2).

Our bibliometric analysis provides a picture of scientific medical researcher's connection and most frequently used keywords, which will help in a plan to make a principle investigator to a high quality of clinical trial of left main coronary artery disease in the future.
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