• Weijie Yu, Liwei Zhou, Zhongjie Shi, Jianyao Mao, Zhangyu Li, Xi Chen, Guowei Tan, Zhanxiang Wang, and Sifang Chen.
• Department of Neurosurgery, Xiamen Key Laboratory of Brain Center, The First Affiliated Hospital of Xiamen University, Xiamen, China; The School of Clinical Medicine, Fujian Medical University, Fuzhou, China.
• World Neurosurg. 2024 Jan 1; 181: e713e721e713-e721.

ObjectiveTo conduct a quantitative analysis of published studies on hematoma enlargement after intracerebral hemorrhage.MethodsStudies on hematoma enlargement after cerebral hemorrhage were retrieved from the Web of Science database on June 30, 2023. Microsoft Excel, VOSviewer, and CiteSpace software were used for bibliometric analysis and visualization, focusing on the quantitative characteristics of the literature.ResultsA total of 444 articles were published in 161 journals, with 2161 authors from 41 countries and 717 institutions. The most published authors, countries, and institutions were Goldstein, the USA, and Massachusetts General Hospital. Stroke published the most studies, but the average citation number per year of Lancet Neurology far exceeded that of other journals. The research field of hematoma enlargement is mainly divided into 3 focuses, including mechanisms, identification (computed tomography signs, predictive models), and treatment (hemostasis, antihypertensive therapy). Most bursts in publication number have been since 2010, where the highest burst was from research on spot signs, and the latest burst focused on tranexamic acid. Treatment using tranexamic acid based on different computed tomography signs is a focus of current research, but the effectiveness still requires further exploration.ConclusionsThis bibliometric analysis analyzed the research framework and hotspots on hematoma enlargement after cerebral hemorrhage, which can help researchers better understand this field and provide potential suggestions for collaborations and research.Copyright © 2023 The Authors. Published by Elsevier Inc. All rights reserved.

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