Minimally invasive intracerebral hemorrhage evacuation: A bibliometric analysis of current research trends.

Intracerebral hemorrhage (ICH) is associated with significant morbidity and mortality. Randomized clinical trials focusing on minimally invasive surgery (MIS) for ICH evacuation have suggested a potential benefit regarding mortality but results remain unclear regarding impact on functional outcome. This study presents a bibliometric analysis investigating the current trends in the literature on MIS for ICH. Using the Scopus collection database, a search was performed to identify literature that discussed MIS for ICH from 2000 to 2021. Primary research articles were included in this study. Reviews and book chapters were excluded. Analysis and visualization of the included literature were completed with VOSviewer. A total of 278 articles were identified. An upward trend in publications began in 2008, with the most publications in 2021 (36) followed by 2020 (25). The most citations occurred in 2013 (1192). The h-index, i-10 and i-100 were 37, 79 and 6 respectively. For the top 100 most cited studies, the mean citation count was 45.55 with a range of 6-760. The highest-producing institutions of MIS for ICH literature were Johns Hopkins University (31, 15 %), University of Chicago with (21, 10 %), Guiyang Medical College (17, 8 %), and Icahn School of Medicine at Mount Sinai (15, 7 %). Keyword analysis revealed four major avenues: 1) medication enhancement of clot removal, 2) minimally invasive devices such as endoscopes, 3) craniotomy approach, and 4) physiology of clot removal. The literature on MIS for ICH has been expanding since 2008. Key topics include thrombolysis, device innovation, and surgical approach.

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