• Journal of critical care · Dec 2022

    Trends in major intensive care medicine journals: A machine learning approach.

    • Benjamin Popoff, Émilie Occhiali, Steven Grangé, Alexandre Bergis, Dorothée Carpentier, Fabienne Tamion, Benoit Veber, and Thomas Clavier.
    • Department of Anesthesiology and Critical Care, Rouen University Hospital, Rouen, France; Medical Intensive Care Unit, Rouen University Hospital, Rouen, France. Electronic address: benjamin.popoff@chu-rouen.fr.
    • J Crit Care. 2022 Dec 1; 72: 154163154163.

    PurposeIntensive care medicine (ICM) has the particularity of being a multidisciplinary specialty and its literature reflects this multidisciplinarity. However, the proportion of each field in this literature and its trend dynamics are not known. The objective of this study was to analyze the ICM literature, extract latent topics and search for the presence of research trends.Material And MethodsAbstracts of original articles from the top ICM journals, from their inception until December 31st, 2019, were included. This corpus was fed into a structural topic modeling algorithm to extract latent semantic topics. The temporal distribution was then analyzed and the presence of trends was searched by Mann-Kendall trends tests.ResultsFinally, 49,276 articles from 10 journals were included. After topic modeling analysis and experts' feedback, 124 research topics were selected and labeled. Topics were categorized into 19 categories, the most represented being respiratory, fundamental and neurological research. Increasing trends were observed for research on mechanical ventilation and decreasing trends for cardiopulmonary resuscitation.ConclusionsThis study reviewed all articles from major ICM journals in a comprehensive way. It provides a better understanding of ICM research landscape by analyzing the temporal evolution of latent research topics in the ICM literature.Copyright © 2022 Elsevier Inc. All rights reserved.

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