临床研究
ENGLISH ABSTRACT
角膜内皮移植研究热点分析及未来研究方向预测
郭钰
张弘
作者及单位信息
·
DOI: 10.3760/cma.j.cn115989-20211217-00697
Hot topics in endothelial keratoplasty research and future research directions
Guo Yu
Zhang Hong
Authors Info & Affiliations
Guo Yu
Eye Hospital, the First Affiliated Hospital of Harbin Medical University, Harbin 150007, China
Zhang Hong
Eye Hospital, the First Affiliated Hospital of Harbin Medical University, Harbin 150007, China
·
DOI: 10.3760/cma.j.cn115989-20211217-00697
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摘要

目的了解角膜内皮移植(EK)近年的文献分布规律和研究热点。

方法以Web of Science核心合集中的科学引文扩展索引和社会科学引文索引为数据源,提取2011—2021年以EK为主题的文献,对以EK为主题、文献类型为论著的年文献量、文献发表量前10的作者和期刊、引用频次前10位的论文及其主要观点进行统计,并将文献数据导入VOSviewer软件,对EK相关领域文献的核心作者及关键词进行可视化分析。

结果共检索出文献1 454篇。2011—2021年,文献发表量的逐年累积量呈线性增长,美国是发表EK相关文献最多的国家,Melles GRJ的论文发表量和论文被引数均占据第1位,文献发表总量排名第1的期刊为 Cornea。目前,EK的研究方向主要集中于多种术式术后效果的比较和相关并发症的处理。关键词分析显示,其被分为5个聚类,其中聚类1是关于EK术后视觉质量的评价;聚类2是术后并发症和移植失败高风险因素的分析;聚类3是以角膜后弹力层内皮移植(DMEK)为中心的适应证和手术技巧的研究;聚类4是植片相关问题,如植片制备、内皮细胞损失、术后植片脱位的处理等;聚类5主要是角膜移植术式的变化趋势。出现频次最多的关键词是DMEK,共559次,说明目前DMEK是EK相关研究领域的重点。2017年以来,"DMEK"、"previous trabeculectomy"、"graft preparation"、"stability"、"safety"、"air"等关键词出现频次增加,可见有青光眼手术史的病例处理、手术的安全性和稳定性、大气泡法制备植片是近几年来的研究热点。

结论植片制备技巧、复杂病例处理、角膜内皮疾病患者青光眼的治疗方法、大气泡法制备植片的长期术后效果评估可能成为今后EK研究发展的方向。

角膜移植术;角膜内皮;数据可视化;文献计量学
ABSTRACT

ObjectiveTo investigate the distribution of literature and hot topics of endothelial keratoplasty (EK) in recent years.

MethodsUsing the Science Citation Index Expanded and Social Science Citation Index in Web of Science Core Collection database as the data sources, the literature on EK from 2011 to 2021 was collected and the annual volume of published original research articles on EK, the top 10 authors and journals with the highest number of published articles, and the top 10 cited articles were analyzed.The author and keyword data of the collected relevant literature were imported into VOSviewer software for visual analysis.

ResultsA total of 1 454 articles were included.The cumulative volume of articles increased linearly from 2011 to 2021, the United States was the country that published the most EK-related literature, with Melles GRJ ranking first in terms of the highest number of published articles and the highest number of citations, and Cornea ranking first in terms of the total number of publications.Hot topics of EK mainly focused on the comparison of postoperative effects of different procedures and the management of complications.Keywords were grouped into 5 clusters, the evaluation of the postoperative visual quality of EK, the high-risk factors for postoperative complications and transplantation failure, the indications and surgical techniques of Descemet membrane endothelial keratoplasty (DMEK), corneal graft issues including graft preparation, endothelial cell loss and management of graft dislocation, and the changing trend of corneal transplantation.The most frequently occurring keyword was DMEK, with a total of 559 occurrences, indicating that DMEK was the focus of EK-related research.Since 2017, the frequency of keywords such as DMEK, previous trabeculectomy, graft preparation, stability, safety, and air has increased, suggesting that the treatment of patients with a history of glaucoma surgery, the safety and stability of surgery, and the preparation of big-bubble graft had been the focus of research in recent years.

ConclusionsGraft preparation, the management of complicated cases, the treatment of glaucoma in patients with corneal endothelial diseases and the evaluation of the long-term postoperative effects of big-bubble graft preparation may become the future EK research direction.

Corneal transplantation;Endothelium, corneal;Data visualization;Bibliometrics
Zhang Hong, Email: nc.defudabe.umbrhgnohgnahz
引用本文

郭钰,张弘. 角膜内皮移植研究热点分析及未来研究方向预测[J]. 中华实验眼科杂志,2024,42(02):136-142.

DOI:10.3760/cma.j.cn115989-20211217-00697

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角膜内皮移植(endothelial keratoplasty,EK)是一种仅更换病变的角膜内皮层和后弹力层而保留自体健康角膜基质层的角膜移植术,目前已逐渐代替穿透角膜移植(penetrating keratoplasty,PK)成为治疗角膜内皮病变的首选术式 [ 1 , 2 , 3 , 4 ]。2018年美国眼库协会(Eye Bank Association of America,EBAA)共完成了85 441例角膜移植手术,因角膜内皮失代偿而行角膜移植手术的患者占角膜移植总数的55.2%,其中78.3%通过EK治疗 [ 5 ]。目前,国际上较主流的EK术式包括角膜后弹力层剥除内皮移植(Descemet stripping endothelial keratoplasty,DSEK)、自动板层刀辅助下角膜后弹力层剥除内皮移植(Descemet stripping automated endothelial keratoplasty,DSAEK)和角膜后弹力层内皮移植(Descemet membrane endothelial keratoplasty,DMEK) [ 6 ]。相较于PK,DSEK和DSAEK减少了散光和缝线相关并发症的发生,角膜前表面更平滑,减少了因眼表疾病导致植片衰竭的可能,视力恢复效果更好,屈光度更早趋于稳定 [ 7 , 8 ]。但植片中额外的基质层使患者DSEK术后出现远视化,平均屈光度为1.2 D,影响患者术后视力的恢复 [ 9 ]。DMEK植片仅包含内皮层和后弹力层,厚度为10~15 μm [ 10 , 11 ]。与DSEK和DSAEK相比,DMEK术后患者视力恢复更好,恢复时间更短,免疫排斥发生率更低。但较薄的植片在减少术后远视倾向的同时,也带来了手术操作难度大、植片脱位等并发症发生率高的问题 [ 12 , 13 ]。虽然近年来植片制备和植入展开等技术在持续改进,但仍存在术中植片损耗、术后植片脱位和高眼压等并发症发生率高的问题,影响了视觉质量的恢复和植片的长期存活。本研究应用文献计量学分析方法以及VOSviewer软件对近年EK相关文献进行梳理统计和可视化分析,了解相关领域文献分布特征和研究热点,寻求影响EK安全性及有效性的主要因素,以期对EK未来的基础实验和临床应用提供参考。
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备注信息
A
张弘,Email: nc.defudabe.umbrhgnohgnahz
B

郭钰:直接参与选题、酝酿和设计试验、实施研究、采集数据、分析/解释数据、起草及修改文章;张弘:参与选题和设计试验、对文章知识性内容的审阅和智力性内容的修改及定稿

C
所有作者均声明不存在利益冲突
D
国家自然科学基金 (U20A20363、81970776)
黑龙江省自然科学基金 (LH2020H039)
黑龙江省重点研发计划 (JD22C006)
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