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. 2022 Oct 12;14(20):4262.
doi: 10.3390/nu14204262.

Trends in Nutrition Research for Sarcopenia: A Bibliometric Analysis

Affiliations

Trends in Nutrition Research for Sarcopenia: A Bibliometric Analysis

Lei Wu et al. Nutrients. .

Abstract

Sarcopenia is age-related, pathophysiological muscle atrophy. Research regarding nutrition treatment of sarcopenia has developed rapidly, particularly as populations age. We evaluated the development of trends in this field using a bibliometric analysis. Articles up to July 2022 were searched in the Scopus database. Bibliographic information from the selected publications, such as countries, citations, world maps, institutions, authors, journals, and keywords, were converted and analyzed automatically using the "bibliometrix" package in R environment (version 4.2.0). We identified 368 Scopus articles from 1998-2021. According to citation analyses, 27 documents received more than 100 citations. Bibliometric analysis based on the literature included in this study revealed that South Korea (61 publications), United States (50), Japan (35), China (30), and Italy (20) contributed the most publications. Tehran University of Medical Science (19 records, 2.55% of articles) contributed the most publications. The most productive author was Landi, with eight articles (2.17% of articles). The publications were located in 196 journals, with Nutrients having the most publications (30, 8.15% of articles). The curves representing keywords "sarcopenia" and "aged" were the most apparent. Our analysis suggested that global nutrition and sarcopenia-related research increased rapidly from 2001 to 2021, demonstrating that this was a promising area of future research that could benefit from continued advances. Future research may focus on the effects of age and sex as well as intervention effectiveness, particularly exercise and nutrition supplementation.

Keywords: bibliometrics; nutrition; older people; quantitative analyses; sarcopenia.

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Conflict of interest statement

There are no conflict of interest to declare.

Figures

Figure 1
Figure 1
Flow diagram of study selection procedure.
Figure 2
Figure 2
(A) The number of nutrition research works on sarcopenia. (B) Timeline of the top 10 cited documents.
Figure 3
Figure 3
(A) Most productive countries and regions in the field of nutrition research works on sarcopenia. (B) The collaboration between countries and regions on nutrition research related to sarcopenia. The colour segmentation includes blue (with publications) and grey (without publications). The thickness of the red lines indicates the number of co-published papers. The colour intensity corresponds to the number of publications).
Figure 4
Figure 4
Top 10 institutions performing nutrition research works on sarcopenia.
Figure 5
Figure 5
Top 10 authors that produced nutrition research works on sarcopenia.
Figure 6
Figure 6
Top 10 journals publishing nutrition studies on sarcopenia.
Figure 7
Figure 7
(A) The top 10 most relevant keywords in nutrition research for sarcopenia. (B) The top 10 most apparent trends in nutrition research for sarcopenia. (C) Nutrition research for sarcopenia conceptual structure map (map dimensions: average position of publications; map midpoint: centre of research area).
Figure 7
Figure 7
(A) The top 10 most relevant keywords in nutrition research for sarcopenia. (B) The top 10 most apparent trends in nutrition research for sarcopenia. (C) Nutrition research for sarcopenia conceptual structure map (map dimensions: average position of publications; map midpoint: centre of research area).

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