• Der Anaesthesist · Oct 2021

    Global distribution of publications in anesthesiology : A bibliometric analysis from 1999 to 2018.

    • Qian-Bo Chen, Huai-Yu Yang, Da-Shuang Chen, Yan-Wei Lv, Liang-Hao Hu, and Hong-Bin Yuan.
    • Department of Anesthesiology, Third Affiliated Hospital of Second Military Medical University, Shanghai, China.
    • Anaesthesist. 2021 Oct 1; 70 (10): 854-862.

    PurposeOnly few studies have analyzed the global distribution of anesthesia research. This study was designed to reveal the current global research status of anesthesiology.MethodsArticles published between 1999 and 2018 in international journals in the field of anesthesiology were retrieved from the PubMed database. The top 20 ranked countries were identified. The gross domestic product (GDP) of each country was also retrieved to reveal the correlation between research outputs and the economy. The total outputs and outputs per 10 million inhabitants in each country were calculated and compared. To analyze the quality of publications among the top 10 ranked countries, the impact factor (IF), article influence score (AIS), and immediacy index (ImI) were calculated and analyzed. In addition, the keywords of publications were retrieved to conduct co-occurrence analysis in order to determine the research focus in anesthesiology.ResultsA total of 112,918 articles were published in 30 selected journals from 1999 to 2018. There was a positive correlation between research outputs and GDP of 10 countries (p < 0.001, r = 0.825). The USA ranked 1st with 21,703 articles, followed by the UK (8393 articles) and Germany (6504 articles). Canada had the highest number of publications per 10 million inhabitants in 2018. The UK had the highest average IF (4.70), average AIS (1.16), and average ImI (1.64) among the 10 countries. The research highlights in the field of anesthesiology included "mechanism and management of pain", "cardiac anesthesia", "pediatric anesthesia and airway management", "analgesia" and "anesthetic agents".ConclusionRegarding quantity trend, the output of global production in anesthesiology increased continuously as the number of articles from the high-output countries showed an increasing trend; however, there was still a gap between developing and developed countries in research quality. High-quality research should be encouraged in developing countries.© 2021. Springer Medizin Verlag GmbH, ein Teil von Springer Nature.

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