International research trends and hotspots in posterior cruciate ligament reconstruction

doi:10.12307/2024.048

Abstract

Abstract: BACKGROUND: Nowadays, posterior cruciate ligament injury caused by a sports injury or vehicle injury is more common than people think. Posterior cruciate ligament reconstruction is one of the main treatment methods, but there are still a lot of controversies about the surgical method and ligament selection of posterior cruciate ligament reconstruction.
OBJECTIVE: To comprehensively analyze the global application trend of posterior cruciate ligament reconstruction and identify promising research hotspots of posterior cruciate ligament reconstruction based on bibliometrics and visual analysis.
METHODS: Publications (articles and reviews) related to posterior cruciate ligament reconstruction from 2000 to 2022 were retrieved from the Web of Science (WOS). The country, institution, publication year, author, journal, average citations per item, H index, title, keywords of publication, and the top 25 cited articles were extracted and analyzed in detail. The VOSviewer/citespace/Pajek software was used to analyze the co-occurrence result of keywords to predict the hotspots of posterior cruciate ligament reconstruction.
RESULTS AND CONCLUSION: A total of 664 articles were included. (1) In the past 22 years, the number of posterior cruciate ligament reconstruction articles has shown an increasing trend in general. The top 3 countries (the USA, China, and South Korea) accounted for 65.51% of all articles published. The USA has the largest number of publications. The University of Pittsburgh is the largest contributor. Knee Surgery Sports Traumatol Arthrosc and American Journal of Sports Medicine are the most influential journals. Laprade, Robert F. is the professor who has published the most articles in the field of posterior cruciate ligament reconstruction, and Fanelli, GC is the professor who has the highest total chain strength in the field of posterior cruciate ligament reconstruction. (2) The research direction can be divided into the following five clusters: “posterior cruciate ligament anatomical and biomechanical studies”, “posterior cruciate ligament reconstruction prognosis, outcome, and complications”, “posterior cruciate ligament reconstruction surgical method and tendon selection”, “surgical technique”, and “posterior cruciate ligament tear combined with multiple ligament injury”. (3) It is concluded that in terms of the trend of previous years, an increasing number of articles related to posterior cruciate ligament reconstruction will be published in the future. The USA is a world leader in the field of posterior cruciate ligament reconstruction. China and South Korea presented great potential in this area. Anatomical and biomechanical research of posterior cruciate ligament and posterior cruciate ligament reconstruction methods and the selection of tendons may be the future hotspots in the field of posterior cruciate ligament reconstruction.

Key words: bibliometric, research trend, hotspot, posterior cruciate ligament reconstruction, visualization atlas, biomechanics

CLC Number:

Ge Hao, Liu Xianwang, Huang Yiwei, Ye Pengcheng, Fan Yueguang, Zeng Jianchun. International research trends and hotspots in posterior cruciate ligament reconstruction[J]. Chinese Journal of Tissue Engineering Research, 2024, 28(18): 2947-2952.

Figures/Tables 8

图4C描述了PCLR中期刊的共引分析，其中单个期刊的最低引用次数设置为50。在42种期刊中，总链接强度最高的前 3 名期刊是《American Journal of Sports Medicine》 (119 961)、《Arthroscopy-the Journal of Arthroscopic and Related Surgery》 (88 001) 和《Journal of Bone and Joint Surgery-American Volume》(54 043)。利用Citespace对664篇出版物进行期刊双图叠加分析，地图左边的标签代表被引用论文发表的期刊的学科，大多数来运动、康复、体育、外科手术、医疗、护理、医学相关的期刊上；地图右边的标签代表施引论文发表的期刊的学科，大多数发表于神经学、体育、医药、医疗、临床(图4D)。 2.6 最具影响力论文图5A描绘了前25篇引用次数最多的参考文献。PCLR中最有影响力的论文最近出现在2017年。只有2017年和2018年的参考文献在2022年继续具有影响力。最强的爆发引用由 LAPRADE等[7]发表。前25名参考文献列表中，《American Journal of Sports Medicine》的出版物数量最多(14篇)占56%。 2.7 关键词分析关键词共现分析是识别PCLR研究热点的重要方法，其原理是通过计算关键词在所有收录文献的标题和摘要中重复出现的次数来识别关键词的重要性。将计数方法设置为二进制计数，重复出现的关键字的最小数量为10。在PCLR领域的1 476 个关键词中，有128个关键词出现10次以上，将他们分为5个聚类。这5个聚类代表了近22年来PCLR领域的主要研究方向。分别是“解剖及生物力学研究”(聚类1，浅蓝色)、“PCLR手术的预后、结果和并发症”(集群2，绿色)、“PCLR手术方式与肌腱选择”(聚类3，紫色)、“手术技术”(聚类4，红色)和“后交叉韧带撕裂联合多韧带损伤”(聚类5，蓝色)(图6A)。根据关键词出现时间绘制的关键词共现重叠可视化图显示了PCLR的发展趋势，按照时间顺序由远到近，由下至上排列，膝关节多发韧带损伤、移植物固定角度、运动分析为近期出现的高频关键词(图6B)。近期的高频词主要在聚类1、3、4中频繁出现。而聚类2和5的近期高频词较少。 2.8 突现词分析图5B描述了前25个突现词。PCLR中2019年出现的突现关键词至今依旧有影响力。PCLR中最强的突现词是膝关节多发韧带损伤，在2017年突现，至今仍具有影响力。 "

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