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Global cardiovascular research output, citations, and collaborations: a time-trend, bibliometric analysis (1999-2008).


ABSTRACT:

Introduction

Health research is one mechanism to improve population-level health and should generally match the health needs of populations. However, there have been limited data to assess the trends in national-level cardiovascular research output, even as cardiovascular disease [CVD] has become the leading cause of morbidity and mortality worldwide.

Materials and methods

We performed a time trends analysis of cardiovascular research publications (1999-2008) downloaded from Web of Knowledge using a iteratively-tested cardiovascular bibliometric filter with >90% precision and recall. We evaluated cardiovascular research publications, five-year running actual citation indices [ACIs], and degree of international collaboration measured through the ratio of the fractional count of addresses from one country against all addresses for each publication.

Results and discussion

Global cardiovascular publication volume increased from 40 661 publications in 1999 to 55 284 publications in 2008, which represents a 36% increase. The proportion of cardiovascular publications from high-income, Organization for Economic Cooperation and Development [OECD] countries declined from 93% to 84% of the total share over the study period. High-income, OECD countries generally had higher fractional counts, which suggest less international collaboration, than lower income countries from 1999-2008. There was an inverse relationship between cardiovascular publications and age-standardized CVD morbidity and mortality rates, but a direct, curvilinear relationship between cardiovascular publications and Human Development Index from 1999-2008.

Conclusions

Cardiovascular health research output has increased substantially in the past decade, with a greater share of citations being published from low- and middle-income countries. However, low- and middle-income countries with the higher burdens of cardiovascular disease continue to have lower research output than high-income countries, and thus require targeted research investments to improve cardiovascular health.

SUBMITTER: Huffman MD 

PROVIDER: S-EPMC3877050 | biostudies-literature | 2013

REPOSITORIES: biostudies-literature

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Global cardiovascular research output, citations, and collaborations: a time-trend, bibliometric analysis (1999-2008).

Huffman Mark D MD   Baldridge Abigail A   Bloomfield Gerald S GS   Colantonio Lisandro D LD   Prabhakaran Poornima P   Ajay Vamadevan S VS   Suh Sarah S   Lewison Grant G   Prabhakaran Dorairaj D  

PloS one 20131231 12


<h4>Introduction</h4>Health research is one mechanism to improve population-level health and should generally match the health needs of populations. However, there have been limited data to assess the trends in national-level cardiovascular research output, even as cardiovascular disease [CVD] has become the leading cause of morbidity and mortality worldwide.<h4>Materials and methods</h4>We performed a time trends analysis of cardiovascular research publications (1999-2008) downloaded from Web o  ...[more]

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