An international comparison of patients undergoing percutaneous coronary intervention: A collaborative study of the National Cardiovascular Data Registry (NCDR) and Japan Cardiovascular Database-Keio interhospital Cardiovascular Studies (JCD-KiCS)

Shun Kosaka, Hiroaki Miyata, Ikuko Ueda, Frederick A. Masoudi, Eric D. Peterson, Yuichiro Maekawa, Akio Kawamura, Keiichi Fukuda, Matthew T. Roe, John S. Rumsfeld

Research output: Contribution to journalArticle

25 Citations (Scopus)

Abstract

Background Details on Japanese patients undergoing percutaneous coronary intervention (PCI) and how they compare to US patients remain unclear. Furthermore, the application of US risk models has not been evaluated internationally. Methods The JCD-KiCS, a multicenter registry of consecutive PCI patients, was launched in 2008, with variables defined in accordance with the US NCDR. Patient and procedural characteristics from patients enrolled from 2008 to 2010 in the JCD-KiCS database (n = 9,941) and those in the NCDR (n = 732,345) were compared. The primary outcomes of this analysis were the hospital-level all-cause mortality and bleeding complications. The NCDR risk models for these 2 outcomes were evaluated in the Japanese data set; from the expected mortality and bleeding rates, the observed/expected ratios were calculated. Results The Japanese patients were older, with a higher proportion of men, diabetes, and smoking than the US patients. The Japanese patients also had a higher rate of complex lesions (26.1 vs 12.7% for bifurcation and 6.2% vs 3.2% for chronic total occlusions, all P

Original languageEnglish
Pages (from-to)1077-1085
Number of pages9
JournalAmerican Heart Journal
Volume170
Issue number6
DOIs
Publication statusPublished - 2015 Dec 1

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine

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