Background: We examined publication trends in two major American journals devoted to anesthesia to understand the geographical distribution of authorship and attempt to decipher the factors that influence this distribution.
Methods: In addition to bibliometric information for all articles published in Anesthesiology between 1941 and 2010 and Anesthesia & Analgesia between 1931 and 2010, we also collected information about the country, continent, and medical school or institution from which the articles were submitted.
Results: The top five countries that published research in these journals were the United States, Japan, Germany, Canada, and France. More than 50% of the published articles were submitted from the United States. However, US publications have steadily and significantly declined over the decades. Contributions from Europe and Asia (especially China) have shown marked increases. US spending on research, especially biomedical research, has remained essentially unchanged and declined in some areas, whereas it has increased steadily in some of the other countries we discuss.
Conclusions: There is a significantly increased prominence in publishing from countries other than the United States. The reasons for this include the convenience of Web-based submission, an increased desire by researchers from around the world to publish in journals considered prestigious, English becoming the preferred language of communication amongst academicians in science, the advent of globalization, and a decrease in public research funding in the United States relative to other countries.
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