Document Detail


Treatment effects of renin-angiotensin system inhibitor and calcium channel blocker in patients with coronary artery narrowing (from the Japanese Coronary Artery Disease Study).
MedLine Citation:
PMID:  20922538     Owner:  NLM     Status:  In-Process    
Abstract/OtherAbstract:
Low-dose antihypertensive drugs in combination are prescribed frequently in clinical practice. Combination treatment is superior to monotherapy with higher doses of each drug in terms of blood pressure reduction and side effects. However, it is unclear whether combination treatment provides additional prognostic benefit beyond the blood pressure lowering effects. We assessed the usefulness of the combined treatment of a renin-angiotensin system inhibitor (RASI) and a calcium channel blocker (CCB) for all cardiovascular events in the Japanese Coronary Artery Disease (JCAD) Study population. In the JCAD Study, which is an observational and non-randomized trial, 13,812 patients with angiographically shown narrowing >50% in ≥1 of 3 major coronary arteries were followed up for a mean of 2.7 years. The primary endpoint of the study was all cardiovascular events. In the present study, baseline covariates possibly influencing the event rate were adjusted between the different treatment groups. There was no statistically significant difference in the event rate between the RASI monotherapy and combined treatment groups, although Kaplan-Meier analysis showed a 23% (p = 0.0003) relative risk reduction with an RASI monotherapy compared with the control group. In conclusion, there may be no additional benefit beyond blood pressure lowering effects in the combination of an RASI and a CCB in patients with angiographically documented CAD.
Authors:
Masatoshi Fujita; Shigetake Sasayama; Fumio Terasaki; Satoko Mitani; Tatsuya Morimoto; Tsutomu Yamazaki; Doubun Hayashi; Takahide Kohro; Yoshihiro Okada; Ryozo Nagai;
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't     Date:  2010-10-05
Journal Detail:
Title:  Heart and vessels     Volume:  25     ISSN:  1615-2573     ISO Abbreviation:  Heart Vessels     Publication Date:  2010 Nov 
Date Detail:
Created Date:  2010-11-08     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8511258     Medline TA:  Heart Vessels     Country:  Japan    
Other Details:
Languages:  eng     Pagination:  453-9     Citation Subset:  IM    
Affiliation:
Human Health Sciences, Kyoto University Graduate School of Medicine, 53 Kawaharacho, Shogoin, Sakyo-ku, Kyoto 606-8507, Japan. mfujita@kuhp.kyoto-u.ac.jp
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