| The landscape of experimental cardiac arrest research models in rats: a bibliometric analysis of the 100 most cited articles |
Georgios Mavrovounis1
, Maria Mermiri2
, Ioannis Drivas1
, Konstantinos Drivas1
, Theodosis Kalamatianos3,4
, Sotirios G. Zarogiannis5
, Ioannis Pantazopoulos1,6
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1Department of Emergency Medicine, Faculty of Medicine, School of Health Sciences, University of Thessaly, Larissa, Greece
2Department of Anesthesiology, Faculty of Medicine, School of Health Sciences, University of Thessaly, Larissa, Greece
3Department of Neurosurgery, School of Medicine, Faculty of Health Sciences, National and Kapodistrian University of Athens, Athens, Greece
4Department of Biomedical Engineering, University of West Attica, Athens, Greece
5Department of Physiology, Faculty of Medicine, School of Health Sciences, University of Thessaly, Larissa, Greece
6Department of Respiratory Medicine, Faculty of Medicine, School of Health Sciences, University of Thessaly, Larissa, Greece |
| Correspondence
Georgios Mavrovounis Tel: 00306993484469, Email: gmavrovounis@gmail.com |
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Received: July 23, 2024. Revised: November 5, 2024. Accepted: November 11, 2024. Published online: January 14, 2025. |
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| ABSTRACT |
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This bibliometric analysis of the 100 most cited articles on experimental cardiac arrest models in rats identifies key contributors, publication trends, research themes, and collaboration networks. A comprehensive literature search of the Web of Science database was performed on June 11, 2024, using keywords related to cardiac arrest and rat models. The top 100 most cited articles were analyzed using the biblioshiny web application from the bibliometrix R ver. 4.2.3 and categorized by primary research focus. The articles were published from 1980 to 2022 and involved 416 authors and 44 journals, averaging 106.7 citations each. The primary research themes were neurology (72%), organ transplantation (7%), cardiovascular system (6%), Cardiopulmonary resuscitation outcomes after local anesthetic toxicity (4%), and other topics (5%). The United States, Japan, and Germany were leading contributors. Major clusters identified include “cerebral ischemia and outcomes,” “brain imaging metrics,” and “blood brain barrier.” The most commonly used methodologies for cardiac arrest induction were asphyxia, induction by magnesium or potassium chloride, and electrical stimulation. This first bibliometric analysis on this topic reveals the dominance of neuroscience in experimental cardiac arrest models in rats. High-impact journals such as the Journal of Cerebral Blood Flow and Metabolism play critical roles in disseminating significant research. The study highlights substantial gaps in global research engagement, with minimal contributions from lower income countries and few international collaborations. This analysis provides a roadmap for future research and opportunities for more extensive international and interdisciplinary collaboration, always with a focus on scientific rigor. |
| Keywords:
Heart arrest; Cardiac arrest models; Cardiopulmonary resuscitation; Experimental cardiac arrest; Rats |
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