An analysis of global research trends in cardiology over the last two decades

Rohit Kapoor, Soumya Sachdeva, Jerome S. Zacks

Research output: Contribution to journalArticlepeer-review

2 Scopus citations


Introduction: Heart disease today is a major cause of morbidity and mortality plaguing mankind worldwide.

Aim: The present research was undertaken to ascertain global research trends in clinical trials in Cardiology involving human subjects over the last two decades.

Materials and Methods: Cross-sectional study. A detailed search strategy was employed in December 2013, using the PubMed database. All papers published in 1993–2013 were evaluated. The research trends of various cardiologic subspecialties in the United States and worldwide have been analysed and detailed statistical analysis was done.

Results: United States had maximum number of researches. Clinical trials involving infarction were maximum followed by coronary angiography and coronary angioplasty in that order. The year 2013 had the most researches. The United States was the top country and Boston was the top city. Author Christodoulos Stefanadis had the greatest number of researches in this field. American Journal of Cardiology was the most favored journal and Circulation was the journal with the highest impact factor.

Conclusion: The research output in cardiology has increased and improved significantly over past decade. The publication per diplomat is more in transplant cardiology, Also more clinical trials involving coronary restenosis have to be done to know in depth to add to current knowledge and database.

Original languageEnglish
Pages (from-to)OC06-OC09
JournalJournal of Clinical and Diagnostic Research
Issue number1
StatePublished - 1 Jan 2015


  • Cardiology subspecialties
  • Clinical trials
  • Research output


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