Impact Factor

Announcement from the Editor-in-Chief of Circulation Journal

Dear Colleagues

I am pleased to inform that Circulation Journal ― the official journal of
the Japanese Circulation Society ― has earned an official 2010 Impact
Factor (IF) of 3.225.

The official ranking also places Circulation Journal 38th among the 114
journals in the Cardiac & Cardiovascular Systems category in 2010 JCR
Science Edition.

I appreciate all of the members of the Editorial Committee, authors,
reviewers and all of our readers for their great contributions to
Circulation Journal.


Hiroaki Shimokawa, MD.
Editor-in-Chief
Circulation Journal

2010 3.225
2009 2.692
2008 2.387
2007 2.373
2006 2.135
2005 1.998
2004 1.797
2003 CJ = 1.183
2003 JCJ = 1.436
2002 1.024
2001 0.711

CJ : Circulation Journal,  JCJ : Japanese Circulation Journal