Abstract
The current study is the first scientometric analysis of research activity and output in the field of inflammatory disorders of the heart (endo-, myo- and pericarditis). Scientometric methods are used to compare scientific performance on national and on international scale to identify single areas of research interest. Interest and research productivity in inflammatory diseases of the heart have increased since 1990. The majority of publications about inflammatory heart disorders were published in Western Europe and North America. The United States of America had a leading position in terms of research productivity and quality; half of the most productive authors in this study came from American institutions. The analysis of international cooperation revealed research activity in countries that are less established in the field of inflammatory heart disorder research, such as Brazil, Saudi Arabia and Tunisia. These results indicate that future research of heart inflammation may no longer be influenced predominantly by a small number of countries. Furthermore, this study revealed weaknesses in currently established scientometric parameters (i.e., h-index, impact factor) that limit their suitability as measures of research quality. In this respect, self-citations should be generally excluded from calculations of h-index and impact factor.
Highlights
Inflammation of the heart can be classified as endocarditis, myocarditis or pericarditis, depending on the tissue affected
To date there has been no scientometric evaluation of endocarditis, myocarditis and pericarditis research
A total of 18,967 publications were found for ―endocarditis‖ (Figure 1a), 7,803 publications for ―myocarditis‖ (Figure 1b) and 5,552 publications for ―pericarditis‖ (Figure 1c)
Summary
Inflammation of the heart can be classified as endocarditis, myocarditis or pericarditis, depending on the tissue affected These disorders can lead to sudden cardiac death and/or chronic heart insufficiency [1,2,3]. The objective of the present study was to determine and to compare research efforts in each of these topics in terms of the following characteristics: annual number of published items, their country of origin, items’ citation rate per country and the most productive and prolific journals and authors. These characteristics were determined by large-scale data analysis, scientometric approaches and density-equalizing mapping
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